US4594366A — Connected branched polyols and polyurethanes base…

Claim 1

Independent Claim 162 words

A normally liquid, stable polymer/polyol composition formed by polymerizing in the presence of a free radical catalyst, (1) from about 10 to about 50 weight percent of an ethylenically unsaturated monomer or monomers dissolved or dispersed in (2) from about 50 to about 90 weight percent of a polyol mixture comprising (a) a base polyol and (b) a connected branch polyol comprising a core segment having a number average molecular weight of at least about 240, one core branch unit directly connected to each end of said core segment, at least one additional branch unit at each end connected directly or indirectly to said core branch units, said branch units forming a branch unit segment, and linear polymer segments connected to said branch units and having a number average molecular weight of at least about 240, said connected branch polyol being present in an amount ranging from the amount sufficient to stabilize the polymer/polyol to 100 weight percent of the polyol mixture.

Claim 2

Dependent Claim 162 words

A normally liquid, stable polymer/polyol composition formed by polymerizing in the presence of a free radical catalyst, (1) from about 10 to about 50 weight percent of an ethylenically unsaturated monomer or monomers dissolved or dispersed in (2) from about 50 to about 90 weight percent of a polyol mixture comprising (a) a base polyol and (b) a connected branch polyol comprising a core segment having a number average molecular weight of at least about 240, one core branch unit directly connected to each end of said core segment, at least one additional branch unit at each end connected directly or indirectly to said core branch units, said branch units forming a branch unit segment, and linear polymer segments connected to said branch units and having a number average molecular weight of at least about 240, said connected branch polyol being present in an amount ranging from the amount sufficient to stabilize the polymer/polyol to 100 weight percent of the polyol mixture.

Claim 3

Dependent Claim 21 words

The polymer/polyol composition of claim 1 wherein said connected branch polyol is present in an amount sufficient to stabilize the polymer/polyol.

Claim 4

Dependent Claim 15 words

The polymer/polyol composition of claim 2 wherein said core segment comprises a polypropylene glycol residue.

Claim 5

Dependent Claim 16 words

The polymer/polyol composition of claim 2 wherein said branch units comprise a vicinal epoxide alcohol residue.

Claim 6

Dependent Claim 13 words

The polymer/polyol composition of claim 4 wherein said vicinal epoxide alcohol is glycidol.

Claim 7

Dependent Claim 15 words

The polymer/polyol composition of claim 2 wherein said linear segment is formed from propylene oxide.

Claim 8

Dependent Claim 21 words

The polymer/polyol composition of claim 6 wherein the number average molecular weight of said linear segments is at least about 1000.

Claim 9

Dependent Claim 15 words

The polymer/polyol composition of claim 6 wherein said linear segments are capped with ethylene oxide.

Claim 10

Dependent Claim 18 words

The polymer/polyol composition of claim 2 wherein there are at least two additional branch units at each end.

Claim 11

Dependent Claim 14 words

The polymer/polyol composition of claim 2 wherein the branch unit segment density is 1.0.

Claim 12

Dependent Claim 16 words

The polymer/polyol composition of claim 2 wherein the branch unit segment density is less than 1.0.

Claim 13

Dependent Claim 31 words

The polymer/polyol composition of claim 2 wherein said core segment is a polypropylene glycol residue, said branch units are a glycidol residue and said linear segments are formed from propylene oxide.

Claim 14

Dependent Claim 14 words

The polymer/polyol composition of claim 12 wherein the branch unit segment density is 1.0.

Claim 15

Dependent Claim 69 words

The polymer/polyol composition of claim 2 wherein said ethylenically unsaturated monomer or monomers are members selected from the group consisting of acrylonitrile, styrene, methyl methacrylate, methacrylonitrile, methacrylic acid, methacrylamide, diethyl fumarate, p-chlorostyrene, vinyl acetate, vinyl ether, ethyl acrylate, vinyl anthracene-4, divinyl carbonate, maleimide, N-dimethyl acrylamide, butyl acrylate, vinyl anthracene-9, trimethylstyrene, trichloroethylene, vinyl chloride, vinylidene chloride, divinyl sulfone, vinyl versatate, vinyl bromide, isoprene, pentachlorophenyl methacrylate, butadiene sulfone, N-t-butyl-acrylamide and N-vinyl-2-pyrrolidinone.

Claim 16

Dependent Claim 27 words

The polymer/polyol composition of claim 14 wherein the ethylenically unsaturated monomers are acrylonitrile and styrene in a weight ratio, respectively, of from about 0:100 to about 100:0.

Claim 17

Dependent Claim 19 words

The polymer/polyol composition of claim 15 wherein the weight ratio of acrylonitrile and styrene is about 35:65 or less.

Claim 18

Dependent Claim 25 words

The polymer/polyol composition of claim 2 wherein the ethylenically unsaturated monomer or monomers are present in an amount of at least about 35 weight percent.

Claim 19

Dependent Claim 188 words

A process for producing a normally liquid, stable polymer/polyol which comprises: (a) providing a polyol mixture comprising (1) a base polyol and (2) a connected branch polyol comprising a core segment having a number average molecular weight of at least about 240, one core branch unit directly connected to each end of said core segment, at least one additional branch unit at each end connected directly or indirectly to said core branch units, said branch units forming a branch unit segment, and linear polymer segments connected to said branch units, said linear polymer segments having a number average molecular weight of at least about 240, (b) dissolving or dispersing from about 10 to about 50 weight percent of an ethylenically unsaturated monomer or monomers in from about 50 to about 90 weight percent of said polyol mixture, and (c) polymerizing the ethylenically unsaturated monomer or monomers dissolved or dispersed in said polyol mixture in the presence of a free radical catalyst, said connected branch polyol being present in an amount ranging from the amount sufficient to stabilize the resulting polymer/polyol to 100 weight percent of said polyol mixture.

Claim 20

Dependent Claim 188 words

A process for producing a normally liquid, stable polymer/polyol which comprises: (a) providing a polyol mixture comprising (1) a base polyol and (2) a connected branch polyol comprising a core segment having a number average molecular weight of at least about 240, one core branch unit directly connected to each end of said core segment, at least one additional branch unit at each end connected directly or indirectly to said core branch units, said branch units forming a branch unit segment, and linear polymer segments connected to said branch units, said linear polymer segments having a number average molecular weight of at least about 240, (b) dissolving or dispersing from about 10 to about 50 weight percent of an ethylenically unsaturated monomer or monomers in from about 50 to about 90 weight percent of said polyol mixture, and (c) polymerizing the ethylenically unsaturated monomer or monomers dissolved or dispersed in said polyol mixture in the presence of a free radical catalyst, said connected branch polyol being present in an amount ranging from the amount sufficient to stabilize the resulting polymer/polyol to 100 weight percent of said polyol mixture.

Claim 21

Dependent Claim 32 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 18 wherein said base polyol is present in an amount of at least 50 weight percent of the polyol mixture.

Claim 22

Dependent Claim 22 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 19 wherein said core segment is a polypropylene glycol residue.

Claim 23

Dependent Claim 23 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 19 wherein said branch units are a vicinal epoxide alcohol residue.

Claim 24

Dependent Claim 20 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 21 wherein the vicinal epoxide alcohol is glycidol.

Claim 25

Dependent Claim 23 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 19 wherein said linear polymer segments are formed from propylene oxide.

Claim 26

Dependent Claim 29 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 23 wherein the number average molecular weight of said linear polymer segments is at least about 1000.

Claim 27

Dependent Claim 23 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 24 wherein said linear polymer segments are capped with ethylene oxide.

Claim 28

Dependent Claim 22 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 19 wherein there are at least two additional branch units.

Claim 29

Dependent Claim 21 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 19 wherein the branch unit segment density is 1.0.

Claim 30

Dependent Claim 23 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 19 wherein the branch unit segment density is less than 1.0.

Claim 31

Dependent Claim 38 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 19 wherein said core segment is a polypropylene glycol residue, said branch units are a glycidol residue and said linear polymer segments are formed from propylene.

Claim 32

Dependent Claim 21 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 29 wherein the branch unit segment density is 1.0.

Claim 33

Dependent Claim 76 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 19 wherein the ethylenically unsaturated monomer or monomers are members selected from the group consisting of acrylonitrile, styrene, methyl methacrylate, methacrylonitrile, methacrylic acid, methacrylamide, diethyl fumarate, p-chlorostyrene, vinyl acetate, vinyl ether, ethyl acrylate, vinyl anthracene-4, divinyl carbonate, maleimide, N-dimethyl acrylamide, butyl acrylate, vinyl anthracene-9, trimethylstyrene, trichloroethylene, vinyl chloride, vinylidene chloride, divinyl sulfone, vinyl versatate, vinyl bromide, isoprene, pentachlorophenyl methacrylate, butadiene sulfone, N-t-butyl-acrylamide and N-vinyl-2-pyrrolidinone.

Claim 34

Dependent Claim 34 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 31 wherein the ethylenically unsaturated monomers are acrylonitrile and styrene in a weight ratio, respectively, of from about 0:100 to about 100:0.

Claim 35

Dependent Claim 24 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 32 wherein the acrylonitrile to styrene ratio is about 35:65 or less.

Claim 36

Dependent Claim 32 words

The process for producing the normally liquid, stable polymer/polyol composition of claim 19 wherein the ethylenically unsaturated monomer or monomers are present in an amount of at least about 35 weight percent.

Claim 37

Dependent Claim 38 words

A method for producing a polyurethane by reacting a mixture comprising (a) the polmer/polyol composition claimed in claim 1; (b) an organic polyisocyanate and (c) a catalyst for the reaction of (a) and (b) to produce the polyurethane.

Claim 38

Dependent Claim 20 words

The method for producing the polyurethane of claim 35 wherein the mixture includes a blowing agent and a foam stabilizer.

Claim 39

Dependent Claim 206 words

A method for producing the polyurethane of claim 36 wherein the polyurethane is a flexible foam, the reaction and foaming are performed by the one shot technique, the polymer/polyol is a normally liquid, stable composition formed by polymerizing in the presence of a free radical catalyst, (1) from about 10 to about 50 weight percent of an ethylenically unsaturated monomer or monomers dissolved or dispersed in (2) from about 50 to about 90 weight percent of a polyol mixture comprising (a) a base polyol and (b) a connected branch polyol comprising a core segment having a number average molecular weight of at least about 240, one core branch unit directly connected to each end of said core segment, at least on additional branch unit at each end connected directly or indirectly to said core branch units, said branch units forming a branch unit segment, and linear polymer segments connected to said branch units and having a number average molecular weight of at least about 240, said connected branch polyol being present in an amount sufficient to stabilize the polymer/polyol, the blowing agent is water and is used in an amount to provide a foam having a density of about 3 pounds per cubic foot or less.

Claim 40

Dependent Claim 34 words

The method for producing the polyurethane of claim 35 wherein the connected branch polyol is present in an amount sufficient to stabilize the polymer/polyol and wherein the core segment comprises a polypropylene glycol residue.

Claim 41

Dependent Claim 35 words

The method for producing the polyurethane of claim 35 wherein the connected branch polyol is present in an amount sufficient to stabilize the polymer/polyol and wherein said branch units comprise a vicinal epoxide alcohol residue.

Claim 42

Dependent Claim 16 words

The method for producing the polyurethane of claim 39 wherein said vicinal expoxide alcohol is glycidol.

Claim 43

Dependent Claim 34 words

The method for producing the polyurethane of claim 35 wherein said connected branch polyol is present in an amount sufficient to stabilize the polymer/polyol and wherein said linear segment is formed from propylene oxide.

Claim 44

Dependent Claim 24 words

The method for producing the polyurethane of claim 41 wherein the number average molecular weight of said linear segments is at least about 1000.

Claim 45

Dependent Claim 18 words

The method for producing the polyurethane of claim 41 wherein said linear segments are capped with ethylene oxide.

Claim 46

Dependent Claim 37 words

The method for producing the polyurethane of claim 35 wherein said connected branch polyol is present in an amount sufficient to stabilize the polyol/polyol and wherein there are at least to additional branch units at each end.

Claim 47

Dependent Claim 33 words

The method for producing the polyurethane of claim 35 wherein said connected branch polyol is present in an amount sufficient to stabilize the polyol/polymer and wherein the branch unit segment density is 1.0.

Claim 48

Dependent Claim 35 words

The method for producing the polyurethane of claim 35 wherein said connected branch polyol is present in an amount sufficient to stabilize the polymer/polyol and wherein the branch unit segment density is less than 1.0.

Claim 49

Dependent Claim 50 words

The method for producing the polyurethane of claim 35 wherein said connected branch polyol is present in an amount sufficient to stabilize the polymer/polyol and wherein said core segment is a polypropylene glycol residue, said branch units are a glycidol residue and said linear segments are formed from propylene oxide.

Claim 50

Dependent Claim 17 words

The method for producing the polyurethane of claim 47 wherein the branch unit segment density is 1.0.

Claim 51

Dependent Claim 88 words

The method for producing the polyurethane of claim 35 wherein said connected branch polyol is present in an amount sufficient to stabilize the polymer/polyol and wherein said ethylenically unsaturated monomer or monomers are members selected from the group consisting of acrylonitrile, styrene, methyl methacrylate, methacrylonitrile, methacrylic acid, methacrylamide, diethyl fumarate, p-chlorostyrene, vinyl acetate, vinyl ether, ethyl acrylate, vinyl anthracene-4, divinyl carbonate, maleimide, N-dimethyl acrylamide, butyl acrylate, vinyl anthracene-9, trimethylstyrene, trichloroethylene, vinyl chloride, vinylidene chloride, divinyl sulfone, vinyl versatate, vinyl bromide, isoprene, pentachloroPhenyl methacrylate, butadiene sulfone, N-t-butyl-acryl-amide and N-vinyl-2-pyrrolidinone.

Claim 52

Dependent Claim 30 words

The method for producing the polyurethane of claim 49 wherein the ethylenically unsaturated monomers are acrylonitrile and styrene in a weight ratio, respectively, of from about 0:100 to about 100:0.

Claim 53

Dependent Claim 22 words

The method for Producing the polyurethane of claim 50 wherein the weight ratio of acrylonitrile and styrene is about 35:65 or less.

Claim 54

Dependent Claim 44 words

The method for producing the polyurethane of claim 35 wherein the connected branch polyol is present in an amount sufficient to stabilize the polyol/polyol and wherein the ethylenically unsaturated monomer or monomers are present in an amount of at least about 35 weight percent.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1989-06-09	1989-12-09	1990-06-10	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1993-06-09	1993-12-09	1994-06-10	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1997-06-09	1997-12-09	1998-06-10	$7700.00	Window Closed / Lapsed

Connected branched polyols and polyurethanes based thereon

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag