US4908403A — Pressure sensitive adhesives of acetoacetoxy-alky…

Claim 1

Independent Claim 135 words

A normally tacky composition comprising (I) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A: ##STR10## wherein the composition is a pressure sensitive adhesive and R 1 is a divalent organic radical of at least 3 atoms in length; R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals; X is --CO--R 4 or --CN; R 4 is hydrogen or a monovalent organic radical; and (II) a polyacid component comprising (a) at least one aminopolycarboxylic acid selected from the group consisting of ethylenediaminetetraacetic acid; N-hydroxyethylethylenediaminetriacetic acid, nitrilotriacetic acid, iminodiaxetic acid, methyliminodiacetic acid, diethylenetriaminepentaacetic acid, and 1,2-diaminocyclohexanetetraacetic acid or salt thereof or (b) at least one aminopolyphosphonic acid or salt thereof.

Claim 2

Dependent Claim 135 words

A normally tacky composition comprising (I) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A: ##STR10## wherein the composition is a pressure sensitive adhesive and R 1 is a divalent organic radical of at least 3 atoms in length; R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals; X is --CO--R 4 or --CN; R 4 is hydrogen or a monovalent organic radical; and (II) a polyacid component comprising (a) at least one aminopolycarboxylic acid selected from the group consisting of ethylenediaminetetraacetic acid; N-hydroxyethylethylenediaminetriacetic acid, nitrilotriacetic acid, iminodiaxetic acid, methyliminodiacetic acid, diethylenetriaminepentaacetic acid, and 1,2-diaminocyclohexanetetraacetic acid or salt thereof or (b) at least one aminopolyphosphonic acid or salt thereof.

Claim 3

Dependent Claim 127 words

A normally tacky composition comprising (I) a polymer having a Tg of about 0° C., or less and containing at least one polymerized functional monomer of formula A: ##STR11## wherein the composition is a pressure sensitive adhesive and R 1 is a divalent organic radical of at least 3 atoms in length; R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals; X is --CO--R 4 or --CN; R 4 is hydrogen or a monovalent organic radical and (II) a polyacid component comprising (a) at least one polycarboxylic acid or salt thereof or (b) at least one polyphosphonic acid selected from the group consisting of nitrolotrimethylenephosphonic acid, ethyleediaminetetramethylenephosphonic acid, and N-hydroxyethylidenediphosphonic acid or salt thereof.

Claim 4

Dependent Claim 127 words

A normally tacky composition comprising (I) a polymer having a Tg of about 0° C., or less and containing at least one polymerized functional monomer of formula A: ##STR11## wherein the composition is a pressure sensitive adhesive and R 1 is a divalent organic radical of at least 3 atoms in length; R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals; X is --CO--R 4 or --CN; R 4 is hydrogen or a monovalent organic radical and (II) a polyacid component comprising (a) at least one polycarboxylic acid or salt thereof or (b) at least one polyphosphonic acid selected from the group consisting of nitrolotrimethylenephosphonic acid, ethyleediaminetetramethylenephosphonic acid, and N-hydroxyethylidenediphosphonic acid or salt thereof.

Claim 5

Dependent Claim 99 words

A normally tacky composition comprising (I) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A: ##STR12## wherein the composition is a pressure sensitive adhesive and R 1 is a divalent organic radical of at least 3 atoms in length; R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals; X is --CO--R 4 or --CN; R 4 is hydrogen or a monovalent organic radical; and (II) at least one aminopolycarboxylic acid or salt thereof.

Claim 6

Dependent Claim 99 words

A normally tacky composition comprising (I) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A: ##STR12## wherein the composition is a pressure sensitive adhesive and R 1 is a divalent organic radical of at least 3 atoms in length; R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals; X is --CO--R 4 or --CN; R 4 is hydrogen or a monovalent organic radical; and (II) at least one aminopolycarboxylic acid or salt thereof.

Claim 7

Dependent Claim 107 words

A normally tacky composition comprising (I) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A: ##STR13## wherein the composition is a pressure sensitive adhesive and R 1 is a divalent organic radical of at least 3 atoms in length; R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals; X is --CO--R 4 or --CN; R 4 is hydrogen or a monovalent organic radical; and (II) a polyacid component selected from the group consisting of ethylenediaminetetraacetic acid and the tetrasodium salt thereof.

Claim 8

Dependent Claim 107 words

A normally tacky composition comprising (I) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A: ##STR13## wherein the composition is a pressure sensitive adhesive and R 1 is a divalent organic radical of at least 3 atoms in length; R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals; X is --CO--R 4 or --CN; R 4 is hydrogen or a monovalent organic radical; and (II) a polyacid component selected from the group consisting of ethylenediaminetetraacetic acid and the tetrasodium salt thereof.

Claim 9

Dependent Claim 198 words

A normally tacky composition comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b) and (c), and (II) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A ##STR14## wherein the composition is a pressure sensitive adhesive and R 1 is a divalent organic radical of at least 3 atoms in length; R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals; X is --CO--R 4 or --CN; R 4 is hydrogen or a monovalent organic radical; and the polymer (a) is normally tacky, (b) further contains at least about 60 weight percent of at least one polymerized olefinically unsaturated carboxylic acid ester monomer selected from the group consisting of esters of acrylic acid and methacrylic acid having 4 to about 17 carbon atoms, and (c) has a T g of about -10° C. or less and comprises at least about 0.1 weight percent of said functional monomer, and (d) is normally tacky when cured.

Claim 10

Dependent Claim 198 words

A normally tacky composition comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b) and (c), and (II) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A ##STR14## wherein the composition is a pressure sensitive adhesive and R 1 is a divalent organic radical of at least 3 atoms in length; R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals; X is --CO--R 4 or --CN; R 4 is hydrogen or a monovalent organic radical; and the polymer (a) is normally tacky, (b) further contains at least about 60 weight percent of at least one polymerized olefinically unsaturated carboxylic acid ester monomer selected from the group consisting of esters of acrylic acid and methacrylic acid having 4 to about 17 carbon atoms, and (c) has a T g of about -10° C. or less and comprises at least about 0.1 weight percent of said functional monomer, and (d) is normally tacky when cured.

Claim 11

Dependent Claim 145 words

A normally tacky composition having an acidic pH and comprising (I) at least about 40 weight percent of at least one polymerized olefinically unsaturated carboxylic acid ester monomer selected from the group consisting of acrylic and methacrylic acid esters having 4 to about 14 carbon atoms and combinations thereof, (II) a polymer having a Tg of about 0° C, or less and containing at least one polymerized functional monomer selected from the group consisting of acetoacetoxyethyl methacrylate, acetoacetoxyethyl arcylate and combinations thereof, the functional monomer being present in an amount from about 0.1 to about 10 weight percent based on the weight of said polymer, and (III) the tetrasodium salt of ethylenediaminetetraacetic acid present in an amount from about 0.5 to about 5 weight percent based on the weight of the polymer; wherein the polymer is normally tacky as well as normally tacky when cured.

Claim 12

Dependent Claim 145 words

A normally tacky composition having an acidic pH and comprising (I) at least about 40 weight percent of at least one polymerized olefinically unsaturated carboxylic acid ester monomer selected from the group consisting of acrylic and methacrylic acid esters having 4 to about 14 carbon atoms and combinations thereof, (II) a polymer having a Tg of about 0° C, or less and containing at least one polymerized functional monomer selected from the group consisting of acetoacetoxyethyl methacrylate, acetoacetoxyethyl arcylate and combinations thereof, the functional monomer being present in an amount from about 0.1 to about 10 weight percent based on the weight of said polymer, and (III) the tetrasodium salt of ethylenediaminetetraacetic acid present in an amount from about 0.5 to about 5 weight percent based on the weight of the polymer; wherein the polymer is normally tacky as well as normally tacky when cured.

Claim 13

Dependent Claim 146 words

A water-based latex comprising continuous aqueous medium having dispersed therein (I) particles of a polymer having a Tg of about 0° C. or less and comprising (i) at least about 40 weight percent of at least one polymerized olefinically unsaturated carboxylic ester monomer selected from the group consisting of acrylic and methacrylic acid esters having 4 to about 14 carbon atoms and combinations thereof, and (ii) a functional monomer selected from the group consisting of acetoacetoxyethyl methacrylate, acetoacetoxyethyl acrylate and combinations thereof present in an amount from about 0.1 to about 10 weight percent based on the weight of said polymer, and (II) the terasodium salt of ethylenediaminetetraacetic acid present in an amount from about 0.5 to about 5 weight percent based on the weight of said polymer, wherein upon evaporation of the aqueous medium the latex forms a pressure-sensitive adhesive composition having an acidic pH.

Claim 14

Dependent Claim 146 words

A water-based latex comprising continuous aqueous medium having dispersed therein (I) particles of a polymer having a Tg of about 0° C. or less and comprising (i) at least about 40 weight percent of at least one polymerized olefinically unsaturated carboxylic ester monomer selected from the group consisting of acrylic and methacrylic acid esters having 4 to about 14 carbon atoms and combinations thereof, and (ii) a functional monomer selected from the group consisting of acetoacetoxyethyl methacrylate, acetoacetoxyethyl acrylate and combinations thereof present in an amount from about 0.1 to about 10 weight percent based on the weight of said polymer, and (II) the terasodium salt of ethylenediaminetetraacetic acid present in an amount from about 0.5 to about 5 weight percent based on the weight of said polymer, wherein upon evaporation of the aqueous medium the latex forms a pressure-sensitive adhesive composition having an acidic pH.

Claim 15

Dependent Claim 169 words

A normally tacky composition comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A: ##STR15## in which R 1 is a divalent organic radical of at least 3 atoms in lengths, R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals, and X is --CO--R 4 or --CN wherein R 4 is hydrogen or a monovalent organic radical, said polyacid component being present in an amount effective for increasing cohesive strength under acidic conditions, and wherein the composition is a pressure sensitive adhesive and has a cohesive strength at least about two times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component.

Claim 16

Dependent Claim 169 words

A normally tacky composition comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A: ##STR15## in which R 1 is a divalent organic radical of at least 3 atoms in lengths, R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals, and X is --CO--R 4 or --CN wherein R 4 is hydrogen or a monovalent organic radical, said polyacid component being present in an amount effective for increasing cohesive strength under acidic conditions, and wherein the composition is a pressure sensitive adhesive and has a cohesive strength at least about two times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component.

Claim 17

Dependent Claim 121 words

A normally tacky composition comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer having a Tg of about 0° C. or less and containing pendent functional groups of formula B: ##STR16## wherein R 1 is a divalent organic radical of at least 3 atoms in length and R 4 is H or a monovalent organic radical, the composition being a pressure sensitive adhesive and having a cohesive strength under acidic conditions at least about two times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component.

Claim 18

Dependent Claim 121 words

A normally tacky composition comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer having a Tg of about 0° C. or less and containing pendent functional groups of formula B: ##STR16## wherein R 1 is a divalent organic radical of at least 3 atoms in length and R 4 is H or a monovalent organic radical, the composition being a pressure sensitive adhesive and having a cohesive strength under acidic conditions at least about two times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component.

Claim 19

Dependent Claim 175 words

A water-based latex comprising a continuous aqueous medium having dispersed therein (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) particles of a polymer having a Tg of about 0° C, or less and comprising at least about 0.1 weight percent of at least one polymerized functional monomer of formula A: ##STR17## in which R 1 is a divalent organic radical of at least 3 atoms in length, R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals, and X is --CO--R 4 or --CN wherein R 4 is hydrogen or a monovalent organic radical, wherein upon evaporation of the aqueous medium the latex forms a pressure-sensitive adhesive composition having a cohesive strength under acidic conditions at least about two times greater than the cohesive strength of a composition having substantially identical ingredient but substantially devoid of the polyacid component.

Claim 20

Dependent Claim 175 words

A water-based latex comprising a continuous aqueous medium having dispersed therein (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) particles of a polymer having a Tg of about 0° C, or less and comprising at least about 0.1 weight percent of at least one polymerized functional monomer of formula A: ##STR17## in which R 1 is a divalent organic radical of at least 3 atoms in length, R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals, and X is --CO--R 4 or --CN wherein R 4 is hydrogen or a monovalent organic radical, wherein upon evaporation of the aqueous medium the latex forms a pressure-sensitive adhesive composition having a cohesive strength under acidic conditions at least about two times greater than the cohesive strength of a composition having substantially identical ingredient but substantially devoid of the polyacid component.

Claim 21

Dependent Claim 180 words

A pressure-sensitive adhesive article comprising a substrate coated on at least a portion of one surface thereof with a normally tacky and pressure-sensitive adhesive composition comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A: ##STR18## in which R 1 is a divalent organic radical of at least 3 atoms in length, R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals, and X is --CO--R 4 or --CN wherein R 4 is hydrogen or a monovalent organic radical, said polymer also being normally tacky when cured and the pressure-sensitive adhesive composition having a cohesive strength under acidic conditions at least about two times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component.

Claim 22

Dependent Claim 180 words

A pressure-sensitive adhesive article comprising a substrate coated on at least a portion of one surface thereof with a normally tacky and pressure-sensitive adhesive composition comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A: ##STR18## in which R 1 is a divalent organic radical of at least 3 atoms in length, R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals, and X is --CO--R 4 or --CN wherein R 4 is hydrogen or a monovalent organic radical, said polymer also being normally tacky when cured and the pressure-sensitive adhesive composition having a cohesive strength under acidic conditions at least about two times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component.

Claim 23

Dependent Claim 112 words

A mixture comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer containing at least one pendant functional group of formula B: ##STR19## in which R 1 is a divalent organic radical of at least 3 atoms in length and R 4 is hydrogen or a monovalent organic radical, the mixture being a pressure sensitive adhesive having a cohesive strength under acidic conditions at least about two times greater than the cohesive strength of a mixture having substantially identical ingredients but substantially devoid of the polyacid component.

Claim 24

Dependent Claim 112 words

A mixture comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer containing at least one pendant functional group of formula B: ##STR19## in which R 1 is a divalent organic radical of at least 3 atoms in length and R 4 is hydrogen or a monovalent organic radical, the mixture being a pressure sensitive adhesive having a cohesive strength under acidic conditions at least about two times greater than the cohesive strength of a mixture having substantially identical ingredients but substantially devoid of the polyacid component.

Claim 25

Dependent Claim 173 words

A normally tacky composition comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A: ##STR20## in which R 1 is a divalent organic radical of at least 3 atoms in length, R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals, and X is --CO--R 4 or --CN wherein R 4 is hydrogen or a monovalent organic radical, said polyacid component being present in an amount effective for increasing cohesive strength under acidic conditions, and wherein the composition is a pressure sensitive adhesive and has a cohesive strength at least about six times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polymerized functional monomers of formula A.

Claim 26

Dependent Claim 173 words

A normally tacky composition comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A: ##STR20## in which R 1 is a divalent organic radical of at least 3 atoms in length, R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals, and X is --CO--R 4 or --CN wherein R 4 is hydrogen or a monovalent organic radical, said polyacid component being present in an amount effective for increasing cohesive strength under acidic conditions, and wherein the composition is a pressure sensitive adhesive and has a cohesive strength at least about six times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polymerized functional monomers of formula A.

Claim 27

Dependent Claim 126 words

A normally tacky composition comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b}polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer having a Tg of about of about 0° C. or less and containing pendant functional groups of formula B: ##STR21## wherein R 1 is a divalent organic radical of at least 3 atoms in length and R 4 is H or a monovalent organic radical, the compositions being a pressure sensitive adhesive and having a cohesive strength under acidic conditions at least about six times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the pendant functional groups of formula B.

Claim 28

Dependent Claim 126 words

A normally tacky composition comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b}polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer having a Tg of about of about 0° C. or less and containing pendant functional groups of formula B: ##STR21## wherein R 1 is a divalent organic radical of at least 3 atoms in length and R 4 is H or a monovalent organic radical, the compositions being a pressure sensitive adhesive and having a cohesive strength under acidic conditions at least about six times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the pendant functional groups of formula B.

Claim 29

Dependent Claim 179 words

A water-based latex comprising a continuous aqueous medium having dispersed therein (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) particles of a polymer having a Tg of about 0° C. or less and comprising at least about 0.1 weight percent of at least one polymerized functional monomer of formula A: ##STR22## in which R 1 is a divalent organic radical of at least 3 atoms in length, R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals, and X is --CO--R 4 or --CN wherein R 4 is hydrogen or a monovalent organic radical, wherein upon evaporation of the aqueous medium the latex forms a pressure-sensitive adhesive composition having a cohesive strength under acidic conditions at least about six times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polymerized functional monomers of formula A.

Claim 30

Dependent Claim 179 words

A water-based latex comprising a continuous aqueous medium having dispersed therein (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) particles of a polymer having a Tg of about 0° C. or less and comprising at least about 0.1 weight percent of at least one polymerized functional monomer of formula A: ##STR22## in which R 1 is a divalent organic radical of at least 3 atoms in length, R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals, and X is --CO--R 4 or --CN wherein R 4 is hydrogen or a monovalent organic radical, wherein upon evaporation of the aqueous medium the latex forms a pressure-sensitive adhesive composition having a cohesive strength under acidic conditions at least about six times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polymerized functional monomers of formula A.

Claim 31

Dependent Claim 184 words

A pressure-sensitive adhesive article comprising a substrate coated on at least a portion of one surface thereof with a normally tacky and pressure-sensitive adhesive composition comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A: ##STR23## in which R 1 is a divalent organic radical of at least 3 atoms in length, R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals, and X is --CO--R 4 or --CN wherein R 4 is hydrogen or a monovalent organic radical, said polymer also being normally tacky when cured and the pressure-sensitive adhesive composition having a cohesive strength under acidic conditions at least about thirteen times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polymerized functional monomers of formula A.

Claim 32

Dependent Claim 184 words

A pressure-sensitive adhesive article comprising a substrate coated on at least a portion of one surface thereof with a normally tacky and pressure-sensitive adhesive composition comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer having a Tg of about 0° C. or less and containing at least one polymerized functional monomer of formula A: ##STR23## in which R 1 is a divalent organic radical of at least 3 atoms in length, R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, halo, thio, amino and monovalent organic radicals, and X is --CO--R 4 or --CN wherein R 4 is hydrogen or a monovalent organic radical, said polymer also being normally tacky when cured and the pressure-sensitive adhesive composition having a cohesive strength under acidic conditions at least about thirteen times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polymerized functional monomers of formula A.

Claim 33

Dependent Claim 116 words

A mixture comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer containing at least one pendant functional group of formula B: ##STR24## in which R 1 is a divalent organic radical of at least 3 atoms in length and R 4 is hydrogen or a monovalent organic radical, the mixture being a pressure sensitive adhesive having a cohesive strength under acidic conditions at least about six times greater than the cohesive strength of a mixture having substantially identical ingredients but substantially devoid of the pendant functional groups of formula B.

Claim 34

Dependent Claim 116 words

A mixture comprising (I) a polyacid component selected from the group consisting of (a) polyphosphonic acids, (b) polycarboxylic acids, (c) mixtures of (a) and (b), and (d) salts of (a), (b), and (c), and (II) a polymer containing at least one pendant functional group of formula B: ##STR24## in which R 1 is a divalent organic radical of at least 3 atoms in length and R 4 is hydrogen or a monovalent organic radical, the mixture being a pressure sensitive adhesive having a cohesive strength under acidic conditions at least about six times greater than the cohesive strength of a mixture having substantially identical ingredients but substantially devoid of the pendant functional groups of formula B.

Claim 35

Dependent Claim 35 words

The adhesive composition defined in claim 3 wherein the aminopolycarboxylic acid or salt thereof is present in an amount of from about 0.5 to about 5 weight percent based on the weight of the polymer.

Claim 36

Dependent Claim 11 words

The adhesive composition defined in claim 3 having an acidic pH.

Claim 37

Dependent Claim 39 words

The adhesive composition defined in claim 3 having a pH of about 6.5 or less, said aminopolycarboxylic acid or salt thereof being present in an amount effective for increasing cohesive strength at a pH of about 6.5 or less.

Claim 38

Dependent Claim 45 words

The adhesive composition defined in claim 4 having a pH of about 6 or less, said polyacid component is the tetrasodium salt of ethylenediaminetetraacetic acid and is present in amount from about 0.5 to about 5 weight percent based on the weight of said polymer.

Claim 39

Dependent Claim 22 words

The adhesive composition defined in claim 5 wherein said polymer comprises about 0.1 to about 10 weight percent of said functional monomer.

Claim 40

Dependent Claim 22 words

The adhesive composition defined in claim 5 wherein said polymer comprises about 0.1 to about 5 weight percent of said functional monomer.

Claim 41

Dependent Claim 29 words

The adhesive composition defined in claim 3 wherein R 1 is a divalent organic radical from 3 to about 40 atoms in length, and X is --CO--R 4 .

Claim 42

Dependent Claim 77 words

The adhesive composition defined in claim 3 wherein said polymer comprises at least about 0.1 weight percent of at least one polymerized functional monomer having the formula: ##STR25## wherein R 4 , R 5 , and R 6 are as defined in claim 1, R 3 is a divalent organic radical, Y and Z are independently selected from the group consisting of 0, S, and NR 7 , and R 7 is H or monovalent organic, radical.

Claim 43

Dependent Claim 55 words

The adhesive composition defined in claim 25 wherein said polymer comprises at least about 40 weight percent of at least one polymerized olefinically unsaturated carboxylic acid ester monomer, R 4 is hydrogen or alkyl having 1 to about 8 carbon atoms, and R 3 is a divalent organic radical at least 2 atoms in length.

Claim 44

Dependent Claim 15 words

The adhesive composition defined in claim 26 wherein each of Y and Z is O.

Claim 45

Dependent Claim 19 words

The adhesive composition defined in claim 3 wherein said polymer further comprises a polymerized olefinically unsaturated carboxylic acid monomer.

Claim 46

Dependent Claim 77 words

The adhesive composition defined in claim 9 wherein said polymer is normally tacky and further contains at least about 40 weight percent of at least one polymerized olefinically unsaturated carboxylic acid ester monomer selected from the group consisting of acrylic and methyacrylic acid esters having 4 to about 14 carbon atoms and combinations thereof, said polymer comprises about 0.25 to about 10 weight percent of said pendant functional groups and said polymer is normally tacky when cured.

Claim 47

Dependent Claim 54 words

The adhesive composition defined in claim 3 wherein R 1 is of the formula: ##STR26## wherein Y and Z are independently selected from the group consisting of oxygen, sulfur, and NR 7 , R 3 is a divalent organic radical at least about 2 atoms in length, and R 7 is H or hydrocarbyl.

Claim 48

Dependent Claim 26 words

The adhesive composition defined in claim 30 wherein R 3 is selected from the group consisting of substituted and unsubstituted alkylene, alkylene-oxy, alkyleneimine and alkylene-thio radicals.

Claim 49

Dependent Claim 35 words

The adhesive composition defined in claim 3 wherein R 1 is an ethylene radical, R 4 is a methyl radical, and said polymer comprises about 0.1 to about 10 weight percent of said functional monomer.

Claim 50

Dependent Claim 26 words

The adhesive composition defined in claim 3 wherein said polymer further comprises at least about 0.1 weight percent of a polymerized olefinically unsaturated carboxylic acid monomer.

Claim 51

Dependent Claim 75 words

The adhesive composition defined in claim 9 wherein said T g is from about -80° C. to about 0° C., said pendant functional groups are of the formula ##STR27## wherein R 3 is a divalent organic radical at least 2 atoms in length, R 4 is hydrogen or a monovalent organic radical, and said groups are present in an amount from about 0.1 to about 10 weight percent based on the weight of said polymer.

Claim 52

Dependent Claim 107 words

The latex defined in claim 5 wherein said polyacid component comprises at least one aminopolycarboxylic acid or salt thereof or at least one aminopolyphosphonic acid or salt thereof; and said functional monomer is present in an amount from about 0.1 to about 40 weight percent based on the weight of said polymer and has the formula: ##STR28## wherein R 4 , R 5 , and R 6 are as defined in claim 1, R 3 is a divalent organic radical, Y and Z are independently selected from the group consisting of O, S, and NR 7 , and R 7 is H or a monovalent organic radical.

Claim 53

Dependent Claim 44 words

The adhesive composition defined in claim 3 wherein R 1 contains no more than 40 carbon atoms, R 4 contains no more than 20 carbon atoms, R 5 contains no more than 20 carbon atoms, R 6 contains no more than 20 carbon atoms.

Claim 54

Dependent Claim 44 words

The adhesive composition defined in claim 3 wherein R 1 contains no more than 20 carbon atoms, R 4 contains no more than 10 carbon atoms, R 5 contains no more than 10 carbon atoms, R 6 contains no more than 10 carbon atoms.

Claim 55

Dependent Claim 27 words

The adhesive composition defined in claim 25 wherein R 3 contains no more than 40 carbon atoms and R 7 contains no more than 20 carbon atoms.

Claim 56

Dependent Claim 27 words

The adhesive composition defined in claim 25 wherein R 3 contains no more than 20 carbon atoms and R 7 contains no more than 6 carbon atoms.

Claim 57

Dependent Claim 27 words

The composition defined in claim 3 wherein said polymer contains at least about 40 weight percent of at least one polymerized olefinically unsaturated carboxylic acid ester monomer.

Claim 58

Dependent Claim 36 words

The composition of claim 8 wherein the composition has a cohesive strength at least about six times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component.

Claim 59

Dependent Claim 69 words

The composition of claim 8 wherein the polymer (i) is normally tacky and normally tacky when cured, (ii) further comprises at least about 40 weight percent of at least one polymerized olefinically unsaturated carboxylic acid ester monomer; and the polyacid component is present in an amount of at least about 0.1 weight percent based on the weight of the polymer, and wherein the composition is a pressure sensitive adhesive.

Claim 60

Dependent Claim 39 words

The composition of claim 42 wherein the composition has a cohesive strength under acidic conditions at least about six times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component.

Claim 61

Dependent Claim 39 words

The composition of claim 9 wherein the composition has a cohesive strength under acidic conditions at least about six times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component.

Claim 62

Dependent Claim 41 words

The latex of claim 10 wherein the pressure-sensitive adhesive composition has a cohesive strength under acidic conditions at least about six times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component.

Claim 63

Dependent Claim 42 words

The article of claim 11 wherein the pressure-sensitive adhesive composition has a cohesive strength under acidic conditions at least about six times greater than the cohesive strength of a composition having a substantially identical ingredients but substantially devoid of the polyacid component.

Claim 64

Dependent Claim 39 words

The mixture of claim 12 wherein the mixture has a cohesive strength under acidic conditions at least about six times greater than the cohesive strength of a mixture having substantially identical ingredients but substantially devoid of the polyacid component.

Claim 65

Dependent Claim 44 words

The composition of claim 8 wherein the composition has as cohesive strength at least about nine times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component and the polymerized functional monomers of formula A.

Claim 66

Dependent Claim 44 words

The composition of claim 8 wherein the composition has a cohesive strength at least about thirteen times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component and the polymerized functional monomers of formula A.

Claim 67

Dependent Claim 47 words

The composition of claim 42 wherein the composition has a cohesive strength under acidic conditions at least about nine times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component and the polymerized functional monomers of formula A.

Claim 68

Dependent Claim 47 words

The composition of claim 42 wherein the composition has a cohesive strength under acidic conditions at least about thirteen times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component and the polymerized functional monomers of formula A.

Claim 69

Dependent Claim 47 words

The composition of claim 9 wherein the composition has a cohesive strength under acidic conditions at least about nine times greater than the cohesive strength of as composition having substantially identical ingredients but substantially devoid of the polyacid component and the pendant functional groups of formula B.

Claim 70

Dependent Claim 47 words

The composition of claim 9 wherein the composition has a cohesive strength under acidic conditions at least about thirteen times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component and the pendant functional groups of formula B.

Claim 71

Dependent Claim 49 words

The latex of claim 10 wherein the pressure-sensitive adhesive composition has a cohesive strength under acidic conditions at least about nine times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component and the polymerized functional monomers of formula A.

Claim 72

Dependent Claim 49 words

The latex of claim 10 wherein the pressure-sensitive adhesive composition has a cohesive strength under acidic conditions at least about thirteen times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component and the polymerized functional monomers of formula A.

Claim 73

Dependent Claim 49 words

The article of claim 11 wherein the pressure-sensitive adhesive composition has a cohesive strength under acidic conditions at least about nine times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component and the polymerized functional monomers of formula A.

Claim 74

Dependent Claim 49 words

The article of claim 11 wherein the pressure-sensitive adhesive composition has a cohesive strength under acidic conditions at least about thirteen times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polyacid component and the polymerized functional monomers of formula A.

Claim 75

Dependent Claim 47 words

The mixture of claim 12 wherein the mixture has a cohesive strength under acidic conditions at least about nine times greater than the cohesive strength of a mixture having substantially identical ingredients but substantially devoid of the polyacid component and the pendant functional groups of formula B.

Claim 76

Dependent Claim 47 words

The mixture of claim 12 wherein the mixture has a cohesive strength under acidic conditions at least about nine times greater than the cohesive strength of a mixture having substantially identical ingredients but substantially devoid of the polyacid component and the pendant functional groups of formula B.

Claim 77

Dependent Claim 40 words

The composition of claim 13 wherein the composition has a cohesive strength at least about thirteen times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polymerized functional monomers of formula A.

Claim 78

Dependent Claim 69 words

The composition of claim 13 wherein the polymer (i) is normally tacky and normally tacky when cured, (ii) further comprises at least about 40 weight percent of at least one polymerized olefinically unsaturated carboxylic acid ester monomer; and the polyacid component is present in an amount of at least about 0.1 weight percent based on the weight of the polymer, and wherein the composition is a pressure sensitive adhesive.

Claim 79

Dependent Claim 43 words

The composition of claim 61 wherein the composition has a cohesive strength under acidic conditions at least about thirteen times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polymerized functional monomers of formula A.

Claim 80

Dependent Claim 43 words

The composition of claim 14 wherein the composition has a cohesive strength under acidic conditions at least about thirteen times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the pendant functional groups of formula B.

Claim 81

Dependent Claim 45 words

The latex of claim 15 wherein the pressure-sensitive adhesive composition has as cohesive strength under acid conditions at least about thirteen times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polymerized functional monomers of formula A.

Claim 82

Dependent Claim 45 words

The article of claim 16 wherein the pressure-sensitive adhesive composition has a cohesive strength under acidic conditions at least about thirteen times greater than the cohesive strength of a composition having substantially identical ingredients but substantially devoid of the polymerized functional monomers of formula A.

Claim 83

Dependent Claim 43 words

The mixture of claim 17 wherein the mixture has a cohesive strength under acidic conditions at least about six times greater than the cohesive strength of a mixture having substantially identical ingredients but substantially devoid of the pendant functional groups of formula B.

Claim 84

Dependent Claim 41 words

The adhesive composition defined in claim 3 wherein said polymer is normally tacky and further contains at least about 40 weight percent of at least one polymerized olefically unsaturated carboxylic acid ester monomer, said polymer also being normally tacky when cured.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1993-03-12	1993-09-11	1994-03-13	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1997-03-12	1997-09-11	1998-03-13	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2001-03-12	2001-09-11	2002-03-13	$7700.00	Window Closed / Lapsed

Pressure sensitive adhesives of acetoacetoxy-alkyl acrylate polymers

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