US4104236A — Liquid polymer/polyols and polyurethane elastomer…

Claim 1

Independent Claim 323 words

A liquid polymer/polyol composition consisting essentially of: (1) from 45 to less than 80 wt.% of a polyoxypropylene polyol having a molecular weight of at least 2000 and (2) from 55 to over 20 wt.% of an acrylonitrile-styrene polymer consisting essentially of: (a) from 60 to 90 wt.% polymerized acrylonitrile and (b) from 40 to 10 wt.% polymerized styrene, said polymer being in the form of particles that are stably dispersed in the polyol, said composition being essentially free of polymer particles having diameters over 30 microns, said composition having been produced by polymerizing a monomer mixture of acrylonitrile and styrene in the polyol, said composition having (i) a wt.% of the monomer mixture, based on the sum of the weights of the monomer mixture and the polyol used to produce the composition, and (ii) a weight ratio of acrylonitrile to styrene in the monomer mixture such that a plot of (i) versus (ii) falls in area A of FIG. 4 when the polyol has a molecular weight of about 5,000, in area B of FIG. 8 when the polyol has a molecular weight of about 3,000 or in area C of FIG. 9 when the polyol has a molecular weight of about 2,000 and said composition being a composition other than: (A) a composition produced from 60 wt.% of a polyol having a molecular weight of about 4000 produced by the addition of 87 parts by weight of propylene oxide and 13 parts by weight of ethylene oxide to propylene glycol and 40 wt.% of a mixture of 80 wt.% acrylonitrile and 20 wt.% styrene; and (B) a composition produced from 70 wt.% of a polyol having a molecular weight of about 4,000 produced by the addition of 87 parts by weight of a propylene oxide and 13 parts by weight of ethylene oxide to propylene glycol and 30 wt.% of a mixture of 80 wt.% of acrylonitrile and 20 wt.% styrene.

Claim 2

Dependent Claim 323 words

A liquid polymer/polyol composition consisting essentially of: (1) from 45 to less than 80 wt.% of a polyoxypropylene polyol having a molecular weight of at least 2000 and (2) from 55 to over 20 wt.% of an acrylonitrile-styrene polymer consisting essentially of: (a) from 60 to 90 wt.% polymerized acrylonitrile and (b) from 40 to 10 wt.% polymerized styrene, said polymer being in the form of particles that are stably dispersed in the polyol, said composition being essentially free of polymer particles having diameters over 30 microns, said composition having been produced by polymerizing a monomer mixture of acrylonitrile and styrene in the polyol, said composition having (i) a wt.% of the monomer mixture, based on the sum of the weights of the monomer mixture and the polyol used to produce the composition, and (ii) a weight ratio of acrylonitrile to styrene in the monomer mixture such that a plot of (i) versus (ii) falls in area A of FIG. 4 when the polyol has a molecular weight of about 5,000, in area B of FIG. 8 when the polyol has a molecular weight of about 3,000 or in area C of FIG. 9 when the polyol has a molecular weight of about 2,000 and said composition being a composition other than: (A) a composition produced from 60 wt.% of a polyol having a molecular weight of about 4000 produced by the addition of 87 parts by weight of propylene oxide and 13 parts by weight of ethylene oxide to propylene glycol and 40 wt.% of a mixture of 80 wt.% acrylonitrile and 20 wt.% styrene; and (B) a composition produced from 70 wt.% of a polyol having a molecular weight of about 4,000 produced by the addition of 87 parts by weight of a propylene oxide and 13 parts by weight of ethylene oxide to propylene glycol and 30 wt.% of a mixture of 80 wt.% of acrylonitrile and 20 wt.% styrene.

Claim 3

Dependent Claim 73 words

A composition as claimed in claim 1 wherein the polyol has a molecular weight of about 3000 and wherein (i) the wt.-% of the monomer mixture, based on the sum of weights of the mixture and the polyol used to produce the composition, and (ii) the weight ratio of acrylonitrile to styrene in the monomer mixture are such that a plot of (i) versus (ii) would fall in area B of FIG. 8.

Claim 4

Dependent Claim 30 words

A composition as claimed in claim 1 wherein the composition consists essentially of from 45 to 75 wt.% of the polyol and from 55 to 25 wt.% of the polymer.

Claim 5

Dependent Claim 160 words

A liquid polymer/polyol composition consisting essentially of: (1) from 45 to less than 80 wt.% of a polyoxypropylene polyol having a molecular weight of about 5,000 and (2) from 55 to over 20 wt.% of an acrylonitrile-styrene polymer consisting essentially of: (a) from 60 to 90 wt.% polymerized acrylonitrile and (b) from 40 to 10 wt.% polymerized styrene, said polymer being in the form of particles that are stably dispersed in the polyol, said composition being essentially free polymer particles having diameters over 30 microns, said composition having been produced by polymerizing a monomer mixture of acrylonitrile and styrene in the polyol and said composition having (i) a wt.% of the monomer mixture, based on the sum of weights of the mixture and the polyol used to produce the composition, and (ii) a weight ratio of acrylonitrile to styrene in the monomer mixture are such that a plot of (i) versus (ii) would fall in area A of FIG. 4.

Claim 6

Dependent Claim 160 words

A liquid polymer/polyol composition consisting essentially of: (1) from 45 to less than 80 wt.% of a polyoxypropylene polyol having a molecular weight of about 5,000 and (2) from 55 to over 20 wt.% of an acrylonitrile-styrene polymer consisting essentially of: (a) from 60 to 90 wt.% polymerized acrylonitrile and (b) from 40 to 10 wt.% polymerized styrene, said polymer being in the form of particles that are stably dispersed in the polyol, said composition being essentially free polymer particles having diameters over 30 microns, said composition having been produced by polymerizing a monomer mixture of acrylonitrile and styrene in the polyol and said composition having (i) a wt.% of the monomer mixture, based on the sum of weights of the mixture and the polyol used to produce the composition, and (ii) a weight ratio of acrylonitrile to styrene in the monomer mixture are such that a plot of (i) versus (ii) would fall in area A of FIG. 4.

Claim 7

Dependent Claim 161 words

A liquid polymer/polyol composition consisting essentially of: (1) from 45 to less than 80 wt.% of a polyoxypropylene polyol having a molecular weight of about 2,000 and (2) from 55 to over 20 wt.% of an acrylonitrile-styrene polymer consisting essentially of: (a) from 60 to 90 wt.% polymerized acrylonitrile and (b) from 40 to 10 wt.% polymerized styrene, said polymer being in the form of particles that are stably dispersed in the polyol, said composition being essentially free of polymer particles having diameters over 30 microns, said composition having been produced by polymerizing a monomer mixture of acrylonitrile and styrene in the polyol and said composition having (i) a wt.% of the monomer mixture, based on the sum of weights of the mixture and the polyol used to produce the composition, and (ii) a weight ratio of acrylonitrile to styrene in the monomer mixture are such that a plot of (i) versus (ii) would fall in area C of FIG. 9.

Claim 8

Dependent Claim 161 words

A liquid polymer/polyol composition consisting essentially of: (1) from 45 to less than 80 wt.% of a polyoxypropylene polyol having a molecular weight of about 2,000 and (2) from 55 to over 20 wt.% of an acrylonitrile-styrene polymer consisting essentially of: (a) from 60 to 90 wt.% polymerized acrylonitrile and (b) from 40 to 10 wt.% polymerized styrene, said polymer being in the form of particles that are stably dispersed in the polyol, said composition being essentially free of polymer particles having diameters over 30 microns, said composition having been produced by polymerizing a monomer mixture of acrylonitrile and styrene in the polyol and said composition having (i) a wt.% of the monomer mixture, based on the sum of weights of the mixture and the polyol used to produce the composition, and (ii) a weight ratio of acrylonitrile to styrene in the monomer mixture are such that a plot of (i) versus (ii) would fall in area C of FIG. 9.

Claim 9

Dependent Claim 154 words

A liquid polymer/polyol composition consisting essentially of: (1) from 45 to less than 80 wt.% of a polyoxypropylene polyol having a molecular weight from 2,000 to 2,500 and (2) from 55 to over 20 wt.% of an acrylonitrile-styrene polymer consisting essentially of: (a) from 60 to 90 wt.% polymerized acrylonitrile and (b) from 40 to 10 wt.% polymerized styrene, said polymer being in the form of particles that are stably dispersed in the polyol, said composition being essentially free of polymer particles having diameters over 30 microns and said composition having been produced by polymerizing a monomer mixture of acrylonitrile and styrene in the polyol, (ii) the wt.% of the monomer mixture, based on the sum of weights of the mixture and the polyol used to produce the composition and (ii) the molecular weight of a polyol being such that a plot of (i) versus (ii) would fall in area D of FIG. 10.

Claim 10

Dependent Claim 154 words

A liquid polymer/polyol composition consisting essentially of: (1) from 45 to less than 80 wt.% of a polyoxypropylene polyol having a molecular weight from 2,000 to 2,500 and (2) from 55 to over 20 wt.% of an acrylonitrile-styrene polymer consisting essentially of: (a) from 60 to 90 wt.% polymerized acrylonitrile and (b) from 40 to 10 wt.% polymerized styrene, said polymer being in the form of particles that are stably dispersed in the polyol, said composition being essentially free of polymer particles having diameters over 30 microns and said composition having been produced by polymerizing a monomer mixture of acrylonitrile and styrene in the polyol, (ii) the wt.% of the monomer mixture, based on the sum of weights of the mixture and the polyol used to produce the composition and (ii) the molecular weight of a polyol being such that a plot of (i) versus (ii) would fall in area D of FIG. 10.

Claim 11

Dependent Claim 163 words

A liquid polymer/polyol composition consisting essentially of: (1) from 45 to less than 80 wt.% of a polyoxpropylene polyol having a molecular weight of at least 2000 and (2) from 55 to over 20 wt.% of an acrylonitrile-styrene polymer consisting essentially of: (a) from 60 to 90 wt.% polymerized acrylonitrile and (b) from 40 to 10 wt.% polymerized styrene, said polymer being in the form of particles that are stably dispersed in the polyol, said composition being essentially free of polymer particles having diameters over 30 microns, and said composition having been produced by polymerizing a monomer mixture of acrylonitrile and styrene in the polyol, (i) the wt.% of the monomer mixture, based on the sum of weights of the mixture and the polyol used to produce the composition and (ii) the molecular weight of a polyol being such that a plot of (i) versus (ii) would fall in area D of FIG. 10, except for points BPS-1 and BPS-4 in said area.

Claim 12

Dependent Claim 163 words

A liquid polymer/polyol composition consisting essentially of: (1) from 45 to less than 80 wt.% of a polyoxpropylene polyol having a molecular weight of at least 2000 and (2) from 55 to over 20 wt.% of an acrylonitrile-styrene polymer consisting essentially of: (a) from 60 to 90 wt.% polymerized acrylonitrile and (b) from 40 to 10 wt.% polymerized styrene, said polymer being in the form of particles that are stably dispersed in the polyol, said composition being essentially free of polymer particles having diameters over 30 microns, and said composition having been produced by polymerizing a monomer mixture of acrylonitrile and styrene in the polyol, (i) the wt.% of the monomer mixture, based on the sum of weights of the mixture and the polyol used to produce the composition and (ii) the molecular weight of a polyol being such that a plot of (i) versus (ii) would fall in area D of FIG. 10, except for points BPS-1 and BPS-4 in said area.

Claim 13

Dependent Claim 156 words

A liquid polymer/polyol composition consisting essentially of: (1) having from 45 to less than 80 wt.% of a polyoxypropylene polyol having a molecular weight of from 4,500 to 12,000 and (2) from 55 to over 20 wt.% of an acrylonitrile-styrene polymer consisting essentially of: (a) from 60 to 90 wt.% polymerized acrylonitrile and (b) from 40 to 10 wt.% polymerized styrene, said polymer being in the form of particles that are stably dispersed in the polyol, said composition being essentially free of polymer particles having diameters over 30 microns and said composition having been produced by polymerizing a monomer mixture of acrylonitrile and styrene in the polyol, (i) the wt.% of the monomer mixture, based on the sum of weights of the mixture and the polyol used to produce the composition, and (ii) the molecular weight of a polyol being such that a plot of (i) versus (ii) would fall in area E of FIG. 11.

Claim 14

Dependent Claim 156 words

A liquid polymer/polyol composition consisting essentially of: (1) having from 45 to less than 80 wt.% of a polyoxypropylene polyol having a molecular weight of from 4,500 to 12,000 and (2) from 55 to over 20 wt.% of an acrylonitrile-styrene polymer consisting essentially of: (a) from 60 to 90 wt.% polymerized acrylonitrile and (b) from 40 to 10 wt.% polymerized styrene, said polymer being in the form of particles that are stably dispersed in the polyol, said composition being essentially free of polymer particles having diameters over 30 microns and said composition having been produced by polymerizing a monomer mixture of acrylonitrile and styrene in the polyol, (i) the wt.% of the monomer mixture, based on the sum of weights of the mixture and the polyol used to produce the composition, and (ii) the molecular weight of a polyol being such that a plot of (i) versus (ii) would fall in area E of FIG. 11.

Claim 15

Dependent Claim 160 words

A liquid polymer/polyol composition consisting essentially of: (1) from 45 to 75 wt.% of a polyoxypropylene polyol having a molecular weight of at least 2000 and (2) from 55 to 25 wt.% of an acrylonitrile-styrene polymer consisting essentially of (a) from 60 to 90 wt.% polymerized acrylonitrile and (b) from 40 to 10 wt.% polymerized styrene, said polymer being in the form of particles that are stably dispersed in the polyol, said composition being essentially free of polymer particles having diameters over 30 microns, and said composition having been produced by polymerizing a monomer mixture of acrylonitrile and styrene in the polyol, (i) the wt.% of the monomer mixture, based on the sum of weights of the mixture and the polyol used to produce the composition and (ii) the molecular weight of the polyol being such that a plot of (i) versus (ii) would fall in area D of FIG. 10, except for points BPS-1 and BPS-4 in said area.

Claim 16

Dependent Claim 160 words

A liquid polymer/polyol composition consisting essentially of: (1) from 45 to 75 wt.% of a polyoxypropylene polyol having a molecular weight of at least 2000 and (2) from 55 to 25 wt.% of an acrylonitrile-styrene polymer consisting essentially of (a) from 60 to 90 wt.% polymerized acrylonitrile and (b) from 40 to 10 wt.% polymerized styrene, said polymer being in the form of particles that are stably dispersed in the polyol, said composition being essentially free of polymer particles having diameters over 30 microns, and said composition having been produced by polymerizing a monomer mixture of acrylonitrile and styrene in the polyol, (i) the wt.% of the monomer mixture, based on the sum of weights of the mixture and the polyol used to produce the composition and (ii) the molecular weight of the polyol being such that a plot of (i) versus (ii) would fall in area D of FIG. 10, except for points BPS-1 and BPS-4 in said area.

Claim 17

Dependent Claim 38 words

An elastomeric polyurethane produced by reacting: (a) a polymer/polyol composition as claimed in claim 1 and (b) an organic polyisocyanate in the presence of (c) a catalyst for the reaction of (a) and (b) to produce the polyurethane.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1981-07-31	1982-01-30	1982-08-01	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1985-07-31	1986-01-30	1986-08-01	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1989-07-31	1990-01-30	1990-08-01	$7700.00	Window Closed / Lapsed

Liquid polymer/polyols and polyurethane elastomers based thereon

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag