US4981902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polysiloxane-grafted copolymer non-pressure sensitive topical binder composition and method of coating therewith
Assignee: 3M Co
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Filing: 1989-08-07
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Granted: 1991-01-01
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Expires: 2009-08-07
Abstract
Abstract Disclosed is a novel composition which is a non-pressure-sensitive adhesive at room temperature (20° C.) and which contains a copolymer which has pendant polysiloxane grafts. Also disclosed are applications to the hair or body of an animal containing the novel composition.
Inventors
- 👤 Smarajit Mitra
- 👤 James E. Garbe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:10
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/84; A61K8/89; A61K8/895; A61K47/00; A61K47/30; A61K47/32; A61K9/00; A61K9/0012; A61K9/0014; A61Q; A61Q5/00; A61Q5/12; C; C08; C08F; C08F290/00; C08F290/02; C08F290/04; C08F290/06; C08F290/068; C09; C09J; C09J143/00; C09J143/04; C09J155/00; C09J155/005
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
192 words
A non-pressure sensitive adhesive composition comprising: (a) a copolymer having a Tg of at least 20.0° C. which comprises repeating A, B, and C monomers wherein: A is at least one free radically polymerizable methacrylic monomer present as at least 30% by weight of all monomer present; B is at least one polar monomer copolymerizable with and different from A, the amount by weight of B monomer being from 3 to 30% of the total weight of all monomers in said copolymer; and C is a monomer present as from 3 to 30% by weight of all monomer present and having the general formula X(Y).sub.n Si(R).sub.3-m Z.sub.m wherein: X is a vinyl group copolymerizable with the A and B monomers; Y is a divalent linking group; R is hydrogen, lower alkyl, aryl, or alkoxy; Z is a monovalent siloxane polymeric moiety having a number average molecular weight of at least about 500 and is essentially unreactive under copolymerization conditions; n is zero or 1; m is an integer of from 1 to 3; and (b) from 0 to about 500 parts by weight of compatible solvent or plasticizer per 10 parts copolymer.
Claim 2
Dependent Claim
192 words
A non-pressure sensitive adhesive composition comprising: (a) a copolymer having a Tg of at least 20.0° C. which comprises repeating A, B, and C monomers wherein: A is at least one free radically polymerizable methacrylic monomer present as at least 30% by weight of all monomer present; B is at least one polar monomer copolymerizable with and different from A, the amount by weight of B monomer being from 3 to 30% of the total weight of all monomers in said copolymer; and C is a monomer present as from 3 to 30% by weight of all monomer present and having the general formula X(Y).sub.n Si(R).sub.3-m Z.sub.m wherein: X is a vinyl group copolymerizable with the A and B monomers; Y is a divalent linking group; R is hydrogen, lower alkyl, aryl, or alkoxy; Z is a monovalent siloxane polymeric moiety having a number average molecular weight of at least about 500 and is essentially unreactive under copolymerization conditions; n is zero or 1; m is an integer of from 1 to 3; and (b) from 0 to about 500 parts by weight of compatible solvent or plasticizer per 10 parts copolymer.
Claim 3
Dependent Claim
36 words
The composition of claim 1 wherein said A monomer is a methacrylic acid ester of an alcohol having from 1 to 18 carbon atoms with the average number of carbon atoms being about 4 to 12.
Claim 4
Dependent Claim
17 words
The composition of claim 2 wherein the average number of carbon atoms is about 6 to 10.
Claim 5
Dependent Claim
41 words
The composition of claim 1 wherein said B is selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid, acrylamide, methacrylamide, N,N-dimethylacrylamide, acrylonitrile, methacrylonitrile, N-vinyl pyrrolidone, and macromonomers having a T g or T m above about 20° C.
Claim 6
Dependent Claim
27 words
The composition of claim 1 wherein said B monomer is selected from a group consisting of acrylic acid, acrylamide, methacrylic acid, N-vinyl pyrrolidone, acrylonitrile, and poly(styrene) macromonomer.
Claim 7
Dependent Claim
23 words
The composition of claim 1 wherein said B monomer comprises about 2% to about 15% by weight of all monomers in said copolymer.
Claim 8
Dependent Claim
41 words
The composition of claim 1 wherein said X group of said C monomer has the general formula ##STR6## wherein R 1 is hydrogen or a COOH group and R 2 is hydrogen, a methyl group, or a CH 2 COOH group.
Claim 9
Dependent Claim
52 words
The composition of claim 1 wherein said Z group of said C monomer has the general formula ##STR7## wherein: R 3 and R 5 are independently lower alkyl, aryl, or fluoroalkyl; R 4 is alkyl, alkoxy, alkylamino, aryl, hydroxyl, or fluoroalkyl; and r is an integer from about 5 to about 700.
Claim 10
Dependent Claim
53 words
The composition of claim 1 wherein said C monomer has a general formula selected from the group consisting of ##STR8## wherein R" is alkyl or hydrogen; m is 1, 2 or 3; p is zero or 1; q is an integer from 2 to 6; s is an integer from 0 to 2.
Claim 11
Dependent Claim
23 words
The composition of claim 1 wherein the molecular weight of said C monomer is in the range of about 500 to about 50,000.
Claim 12
Dependent Claim
23 words
The composition of claim 1 wherein the molecular weight of said C monomer is in the range of about 5,000 to about 25,000.
Claim 13
Dependent Claim
32 words
The composition of claim 1 wherein the amount by weight of said C monomer is within the range of about 0.01 to about 50% of the total monomer weight in said copolymer.
Claim 14
Dependent Claim
36 words
The composition of claim 1 wherein the amount by weight of said B plus C monomers is within the range of about 5 to about 60% of the total weight of all monomers in said copolymer.
Claim 15
Dependent Claim
10 words
The composition of claim 1 further characterized by being crosslinked.
References Cited (Backward Citations)
US4728571A
Cited
US4693935A
Cited
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