US4418158A — Polyoxyalkylene/unsaturated diester reaction prod…

Claim 1

Independent Claim 109 words

A foam material comprising the mixture of: A. polyurethane polymer forming ingredients, B. a blowing agent, and C. a surfactant which comprises the reaction product consisting of (a) a polyoxyalkylene adduct having the formula H--polyoxyalkylene chain).sub.t R, wherein R is an organic or inorganic radical and t is the number of polyoxyalkylene chains reacted onto R, and (b) an esterified unsaturated dibasic acid having the formula T.sup.1 O.sub.2 C--C.sub.u H.sub.2u-2)CO.sub.2 T.sup.2 wherein u is 2 or 3 and T 1 and T 2 are identical or different and represent a straight or branched, saturated or unsaturated hydrocarbon chain, in the presence of an effective amount of a free-radical initiator.

Claim 2

Dependent Claim 109 words

A foam material comprising the mixture of: A. polyurethane polymer forming ingredients, B. a blowing agent, and C. a surfactant which comprises the reaction product consisting of (a) a polyoxyalkylene adduct having the formula H--polyoxyalkylene chain).sub.t R, wherein R is an organic or inorganic radical and t is the number of polyoxyalkylene chains reacted onto R, and (b) an esterified unsaturated dibasic acid having the formula T.sup.1 O.sub.2 C--C.sub.u H.sub.2u-2)CO.sub.2 T.sup.2 wherein u is 2 or 3 and T 1 and T 2 are identical or different and represent a straight or branched, saturated or unsaturated hydrocarbon chain, in the presence of an effective amount of a free-radical initiator.

Claim 3

Dependent Claim 51 words

The composition of claim 1 wherein the esterified unsaturated dibasic acid has the formula T.sup.1 O.sub.2 C--Cu.sub.u H.sub.2u-2 --CO.sub.2 T.sup.2 wherein u is 2 or 3 and T 1 and T 2 are identical and represent a straight or branched, saturated or unsaturated hydrocarbon chain of 4 to 18 carbon atoms.

Claim 4

Dependent Claim 33 words

The composition of claim 2 wherein the esterified unsaturated dibasic acid is a member selected from the group consisting of dibutyl fumarate, dibutyl maleate, dihexyl maleate, diamyl methylenemalonate, dipropyl itaconate and dibutyl itaconate.

Claim 5

Dependent Claim 27 words

The composition of claim 2 wherein T 1 and T 2 represent a straight or branched, saturated or unsaturated hydrocarbon chain of 8 to 18 carbon atoms.

Claim 6

Dependent Claim 27 words

The composition of claim 4 wherein the esterified unsaturated dibasic acid is a member selected from the group consisting of dioctyl maleate, ditridecyl maleate and dioleyl maleate.

Claim 7

Dependent Claim 26 words

The composition of claim 1 wherein t is an integer from 1 to 8 and the molecular weight of the polyoxyalkylene adduct is above about 1000.

Claim 8

Dependent Claim 34 words

The composition of claim 6 wherein the polyoxyalkylene chain or chains of the adduct are derived from an alkylene oxide selected from the group consisting of ethylene oxide, 1,2-epoxypropane, an epoxybutane, and mixtures thereof.

Claim 9

Dependent Claim 50 words

The composition of claims 1 or 7 wherein the polyoxyalkylene adduct is capped by treatment either before or after the free-radical initiated reaction with a capping agent capable of reacting with the hydroxyl groups of said adduct, whereby the hydroxyl number of said adduct is reduced to less than 50.

Claim 10

Dependent Claim 18 words

The composition of claim 8 wherein the hydroxyl number of said adduct is reduced to less than 10.

Claim 11

Dependent Claim 12 words

The composition of claim 8 wherein the capping agent is acetic anhydride.

Claim 12

Dependent Claim 20 words

The composition of claim 1 wherein an organo transition metal catalyst is additionally present in the free-radical initiated reaction mixture.

Claim 13

Dependent Claim 45 words

The composition of claim 1 wherein the esterified unsaturated dibasic acid comprises about 5 to 40 weight percent of the free-radical initiated reaction mixture, and the initiator comprises from about 2 to 30 weight percent, based on the weight of the esterified unsaturated dibasic acid.

Claim 14

Dependent Claim 32 words

The composition of claim 12 wherein an organo transition metal catalyst is additionally present in the reaction mixture in a concentration from about 0.001 to 0.05 grams per gram of free-radical initiator.

Claim 15

Dependent Claim 110 words

The composition of claim 1 wherein the polyoxyalkylene adduct is a member selected from the group consisting of (a) an alkoxylated amine having the formula: ##STR13## wherein R 1 is independently an alkoxylated chain having the formula: ##STR14## s is an integer from 2 to 10 inclusive and the ratio p:q is from 10:90 to 90:10, the molecular weight of said alkoxylated amine being from about 1500 to 12,000, (b) a linear block copolymer of ethylene oxide and propylene oxide, the molecular weight of said block copolymer being above about 2000 and the ethylene oxide content being from about 30 to 80 weight percent, and (c) an ethoxylated castor oil.

Claim 16

Dependent Claim 51 words

The composition of claim 14 wherein the esterified unsaturated dibasic acid has the formula T.sup.1 O.sub.2 C--C.sub.u H.sub.2u-2 --CO.sub.2 T.sup.2 wherein u is 2 or 3 and T 1 and T 2 are identical and represent a straight or branched, saturated or unsaturated hydrocarbon chain of 8 to 18 carbon atoms.

Claim 17

Dependent Claim 48 words

The composition of claim 15 wherein the polyoxyalkylene adduct is capped by treatment either before or after the free-radical initiated reaction with a capping agent capable of reacting with the hydroxyl groups of said adduct, whereby the hydroxyl number of said adduct is reduced to less than 50.

Claim 18

Dependent Claim 18 words

The composition of claim 16 wherein the hydroxyl number of said adduct is reduced to less than 10.

Claim 19

Dependent Claim 12 words

The composition of claim 17 wherein the capping agent is acetic anhydride.

Claim 20

Dependent Claim 27 words

The composition of claim 18 wherein the esterified unsaturated dibasic acid is a member selected from the group consisting of dioctyl maleate, ditridecyl maleate from dioleyl maleate.

Claim 21

Dependent Claim 37 words

The composition of claim 18 wherein (a) the polyoxyalkylene adduct is ethoxylated castor oil, and (b) the esterified unsaturated dibasic acid is a member selected from the group consisting of dioctyl maleate, ditridecyl maleate and dioleyl maleate.

Claim 22

Dependent Claim 35 words

The composition of claim 20 wherein (a) the ethoxylated castor oil contains from about 25 to 60 moles of ethylene oxide per mole of oil, and (b) the esterified unsaturated dibasic acid is ditridecyl maleate.

Claim 23

Dependent Claim 24 words

The composition of claim 21 wherein the ethoxylated castor oil contains from about 35 to 40 moles of ethylene oxide per mole of oil.

Claim 24

Dependent Claim 41 words

The composition of claim 22 wherein the ditridecyl maleate comprises about 5 to 40 weight percent of the free-radical initiated reaction mixture and the initiator comprises from about 2 to 30 weight percent, based on the weight of the ditridecyl maleate.

Claim 25

Dependent Claim 114 words

In the method of preparing a cellular foam from: A. polyurethane polymer forming ingredients, and B. a blowing agent, the improvement which comprises utilizing as surfactant the reaction product consisting of (a) a polyoxyalkylene adduct having the formula H--polyoxyalkylene chain).sub.t R, wherein R is an organic or inorganic radical and t is the number of polyoxyalkylene chains reacted onto R, and (b) an esterified unsaturated dibasic acid having the formula T.sup.1 O.sub.2 C--C.sub.u H.sub.2u-2 --CO.sub.2 T.sup.2 wherein u is 2 or 3 and T 1 and T 2 are identical or different and represent a straight or branched, saturated or unsaturated hydrocarbon chain, in the presence of an effective amount of a free-radical initiator.

Claim 26

Dependent Claim 114 words

In the method of preparing a cellular foam from: A. polyurethane polymer forming ingredients, and B. a blowing agent, the improvement which comprises utilizing as surfactant the reaction product consisting of (a) a polyoxyalkylene adduct having the formula H--polyoxyalkylene chain).sub.t R, wherein R is an organic or inorganic radical and t is the number of polyoxyalkylene chains reacted onto R, and (b) an esterified unsaturated dibasic acid having the formula T.sup.1 O.sub.2 C--C.sub.u H.sub.2u-2 --CO.sub.2 T.sup.2 wherein u is 2 or 3 and T 1 and T 2 are identical or different and represent a straight or branched, saturated or unsaturated hydrocarbon chain, in the presence of an effective amount of a free-radical initiator.

Claim 27

Dependent Claim 51 words

The process of claim 24 wherein the esterified unsaturated dibasic acid has the formula T.sup.1 O.sub.2 C--C.sub.u H.sub.2u-2 --CO.sub.2 T.sup.2 wherein u is 2 or 3 and T 1 and T 2 are identical and represent a straight or branched, saturated or unsaturated hydrocarbon chain of 8 to 18 carbon atoms.

Claim 28

Dependent Claim 54 words

The process of claim 25 wherein t is an integer from 1 to 8, the molecular weight of the polyoxyalkylene adduct is above about 1000, and the polyoxyalkylene chain or chains of the adduct are derived from an alkylene oxide selected from the group consisting of ethylene oxide, 1,2-epoxypropane, an epoxybutane, and mixtures thereof.

Claim 29

Dependent Claim 48 words

The process of claims 23 or 26 wherein the polyoxyalkylene adduct is treated either before or after the free-radical initiated reaction with a capping agent capable of reacting with the hydroxyl groups of said adduct, whereby the hydroxyl number of said adduct is reduced to less than 50.

Claim 30

Dependent Claim 12 words

The process of claim 27 wherein the capping agent is acetic anhydride.

Claim 31

Dependent Claim 19 words

The process of claim 23 wherein an organo transition metal catalyst is additionally present during the free-radical initiated reaction.

Claim 32

Dependent Claim 13 words

The process of claim 29 wherein the organo transition metal catalyst is ferrocene.

Claim 33

Dependent Claim 45 words

The process of claim 23 wherein the esterified unsaturated dibasic acid comprises about 5 to 40 weight percent of the free-radical initiated reaction mixture, and the initiator comprises from about 2 to 30 weight percent, based on the weight of the esterified unsaturated dibasic acid.

Claim 34

Dependent Claim 33 words

The process of claim 31 wherein an organo transition metal catalyst is additionally present during the free-radical initiated reaction in a concentration from about 0.001 to 0.05 grams per gram of free-radical initiator.

Claim 35

Dependent Claim 110 words

The process of claim 25 wherein the polyoxyalkylene adduct is a member selected from the group consisting of (a) an alkoxylated amine having the formula: ##STR15## wherein R 1 is independently an alkoxylated chain having the formula: ##STR16## s is an integer from 2 to 10 inclusive and the ratio p:q is from 10:90 to 90:10, the molecular weight of said alkoxylated amine being from about 1500 to 12,000, (b) a linear block copolymer of ethylene oxide and propylene oxide, the molecular weight of said block copolymer being above about 2000 and the ethylene oxide content being from about 30 to 80 weight percent, and (c) an ethoxylated castor oil.

Claim 36

Dependent Claim 51 words

The process of claim 33 wherein the esterified unsaturated dibasic acid has the formula T.sup.1 O.sub.2 C--C.sub.u H.sub.2u-2 --CO.sub.2 T.sup.2 wherein u is 2 or 3 and T 1 and T 2 are identical and represent a straight or branched, saturated or unsaturated hydrocarbon chain of 8 to 18 carbon atoms.

Claim 37

Dependent Claim 46 words

The process of claim 34 wherein the polyoxyalkylene adduct is treated either before or after the free-radical initiated reaction with a capping agent capable of reacting with the hydroxyl groups of said adduct, whereby the hydroxyl number of said adduct is reduced to less than 50.

Claim 38

Dependent Claim 27 words

The process of claim 35 wherein the capping agent is acetic anhydride, the acetic acid which forms during the capping treatment being removed from the reaction mixture.

Claim 39

Dependent Claim 27 words

The process of claim 36 wherein the esterified unsaturated dibasic acid is a member selected from the group consisting of dioctyl maleate, ditridecyl maleate and dioleyl maleate.

Claim 40

Dependent Claim 37 words

The process of claim 36 wherein (a) the polyoxyalkylene adduct is ethoxylated castor oil, and (b) the esterified unsaturated dibasic acid is a member selected from the group consisting of dioctyl maleate, ditridecyl maleate and dioleyl maleate,

Claim 41

Dependent Claim 35 words

The process of claim 38 wherein (a) the ethoxylated castor oil contains from about 25 to 60 moles of ethylene oxide per mole of oil, and (b) the esterified unsaturated dibasic acid is ditridecyl maleate.

Claim 42

Dependent Claim 24 words

The process of claim 39 wherein the ethoxylated castor oil contains from about 35 to 40 moles of ethylene oxide per mole of oil.

Claim 43

Dependent Claim 41 words

The process of claim 40 wherein the ditridecyl maleate comprises about 5 to 40 weight percent of the free-radical initiated reaction mixture and the initiator comprises from about 2 to 30 weight percent, based on the weight of the ditridecyl maleate.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1986-11-28	1987-05-30	1987-11-29	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1990-11-28	1991-05-30	1991-11-29	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1994-11-28	1995-05-30	1995-11-29	$7700.00	Window Closed / Lapsed

Polyoxyalkylene/unsaturated diester reaction product for cellular foam stabilization

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