Claims
- 1. An article comprising a rubber surface provided with an adherent slip coating of a synthetic polymer latex composition consisting essentially of about 5 to 95% by weight of a film-forming, non-elastomeric synthetic polymer component (1) having an elongation of at least about 200% and about 95 to 5% of a normally solid, non-elastomeric, synthetic polymer component (2) exhibiting an elongation of below about 20% and a coefficient of friction of up to about 0.20, each of said polymer component (1) and (2) being normally solid polymers having a molecular weight of at least about 25,000 and said slip coating having an elongation of at least about 200 up to 700%, a coefficient of friction of up to about 0.25 and a thickness of below about 0.005 inch.
- 2. An article according to claim 1 wherein the synthetic polymer component (2) is selected from the group consisting of polyvinyl acetate, polymethacrylate, polystyrene, polyvinyl chloride and polyvinylidene chloride.
- 3. An article according to claim 1 wherein said slip coating is provided on both surfaces of a sheet-like rubber member.
- 4. An article according to claim 3 wherein said sheet-like rubber member comprises a rubber glove.
- 5. An article according to claim 4 wherein said rubber glove is a natural rubber sterile surgeons' glove.
- 6. An article according to claim 5 wherein the slip coating is below about 0.001 inch in thickness.
- 7. An article according to claim 3 wherein said slip coating comprises a vinyl chloride-butyl acrylate copolymer and a vinyl chloride-vinyl acetate copolymer.
- 8. An article according to claim 1 wherein the synthetic polymer component (1) is selected from the group consisting of: ethylene-vinylchloride copolymer, ethylenevinylacetate copolymer, ethylene-ethylacrylate copolymer, ethylene-butylacrylate copolymer, ethylene-acrylic acid copolymer.
- 9. An article comprising a rubber surface provided with an adherent slip coating of a synthetic polymer latex composition consisting essentially of about 5 to 95% by weight of a film-forming, non-elastomeric synthetic polymer component (1) having an elongation of at least about 200% selected from the group consisting of:
- (a) vinyl chloride-alkyl acrylate copolymer
- (b) vinylidene chloride-alkyl acrylate copolymer
- (c) vinyl acetate-alkyl acrylate copolymer
- (d) polyvinyl chloride-polyalkylacrylate admixture
- (e) polyvinylidene chloride-polyalkylacrylate admixture
- (f) polyvinyl acetate-polyalkylacrylate admixture
- and about 95 to 5% of a normally solid, non-elastomeric synthetic polymer component (2) exhibiting an elongation of below about 20% and a coefficient of friction of up to about 0.20 selected from the group consisting of:
- (a) vinyl chloride-vinyl ester copolymer
- (b) vinylidene chloride-vinyl ester copolymer
- (c) polyvinyl chloride-polyvinyl ester admixture
- (d) polyvinylidene chloride-polyvinyl ester admixture
- said slip coating having an elongation of at least about 200 up to 700%, a coefficient of friction of up to about 0.25 and a thickness of below about 0.005 inch.
- 10. An article according to claim 9 wherein said slip coating is provided on both surfaces of a sheet-like rubber member.
- 11. An article according to claim 10 wherein said sheet-like rubber member comprises a rubber glove.
- 12. An article according to claim 10 wherein said rubber glove is a natural rubber sterile surgeons' glove.
- 13. An article according to claim 12 wherein the slip coating is below about 0.001 inch in thickness.
- 14. An article according to claim 10 wherein said alkyl acrylate copolymers comprise alkyl groups of from one to four carbon atoms.
- 15. An article according to claim 14 wherein said vinyl ester copolymers are selected from the group consisting of vinyl acetate, vinyl propionate, and vinyl butyrate.
- 16. An article according to claim 14 wherein said alkyl acrylate copolymers comprise up to 5 mole percent of units selected from the group consisting of acrylic acid and methacrylic acid.
- 17. An article according to claim 10 wherein said slip coating comprises a vinyl chloride-butyl acrylate copolymer and a vinyl chloride-vinyl acetate copolymer.
- 18. An article according to claim 9 wherein said alkyl acrylate copolymers comprise alkyl groups of from one to four carbon atoms.
- 19. An article according to claim 18 wherein said vinyl ester copolymers are selected from the group consisting of vinyl acetate, vinyl propionate, and vinyl butyrate.
- 20. An article according to claim 18 wherein said alkyl acrylate copolymers comprise up to 5 mole percent of units selected from the group consisting of acrylic acid and methacrylic acid.
- 21. An article according to claim 9 wherein the synthetic polymer component (1) is selected from polyvinyl chloride-polyalkylacrylate admixture, polyvinylidene chloride-polyalkylacrylate admixture and polyvinyl acetate-polyalkylacrylate admixture, and the synthetic polymer component (2) is selected from polyvinyl chloride-polyvinyl ester admixture and polyvinylidene chloride-polyvinyl ester admixture.
Parent Case Info
This application is a continuation-in-part of application Ser. No. 405,863 filed Oct. 12, 1973 now U.S. Pat. No. 3,919,442.
US Referenced Citations (5)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
405863 |
Oct 1973 |
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