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US 4,972,037 AGranted
Polysiloxane-grafted copolymer topical binder composition with novel fluorochemical comonomer and method of coating therewith
AssigneeMinnesota Mining and Manufacturing Company
InventorsJames E. Garbe, Steven S. Kantner, Kanta Kumar, Smarajit Mitra
Life of this patent
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Abstract
A novel composition useful as an adhesive at room temperature (20.degree. C.) and which comprises a copolymer which has both pendant fluorochemical groups and pendant polysiloxane grafts. Also disclosed are topical applications containing the novel composition.
Claims16
A composition comprising:
- (a) a hydrophobic copolymer comprising repeating A, B, and C monomers wherein:
- A is at least one free radically polymerizable acrylic or methacrylic acid ester of 1,1-dihydroperfluoroalkanols or homologs of 1,1-dihydroperfluoroalkanols, omega-hydridofluoroalkanols, fluoroalkylsulfonamide alcohols, cyclic fluoroalkyl alcohols, and fluoroether alcohols present as up to 99% by weight of all monomer present;
- B is at least one reinforcing monomer copolymerizable with A, the amount by weight of B monomer being from 0.01 to 30% of the total weight of all monomers in said copolymer;
- and
- C is a monomer present as from 0.01 to 50% 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 5,000 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.
12 more elements
A composition comprising:
- (a) a hydrophobic copolymer which comprises repeating A, B, C and D monomers wherein:
- A is at least one free radically polymerizable acrylic or methacrylic acid ester of 1,1-dihydroperfluoroalkanols or methylene homologs of 1,1-dihydroperfluoroalkanols, omega-hydridofluoroalkanols, fluoralkylsulfonamide alcohols, cyclic fluoroalkyl alcohols, and fluoroether alcohols present as at least 0.1% by weight of all monomer present;
- B is at least one reinforcing monomer copolymerizable with A, the amount by weight of B monomer being from 0.01 to 30% of the total weight of all monomers in said copolymer;
- and
- C is a monomer present as from 0.01 to 50% 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 5,000 and is essentially unreactive under copolymerization conditions;
- n is zero or 1;
- m is an integer of from 1 to 3;
- D is at least one free radically polymerizable acrylate or methacrylate monomer;
- and
- (b) from 0 to about 500 parts by weight of compatible solvent or plasticizer per 10 parts copolymer.
13 more elements
Dependencies are inferred from the claim text.