Claims
- 1. A coating composition consisting essentially of 0.2 to 20 parts by weight of an oil-like homopolymer formed from a lower olefinic monomer containing 2 to 4 carbon atoms and a mixture of 100 parts by weight, on a dry basis of a thermoplastic polyester-urethane or polyether urethane elastomer produced from the reactive product of hydroxyl poly(tetramethylene oxide), butane diol-1,4, and diphenyl methane p,p'-diisocyanate and 0 to 20 parts by weight of a oil-like copolymer selected from the group consisting of (1) copolymeric material formed from (a) an olefin having 2 to 4 carbon atoms and (b) an olefin having the formula: ##EQU1## wherein R is selected from the group consisting of linear or branched chain alkyl radicals containing about 4 to about 20 carbon atoms in the carbon chain and carbo-cyclic radicals selected from the group consisting of aromatic-cyclic radicals containing one to two benzene rings, and cycloaliphatic carbo-cyclic radicals containing from about 2 to about 12 carbon atoms in their chain, and (2) mixtures of (1).
- 2. A composition as defined in claim 1 wherein said aromatic radical is selected from the group consisting of phenyl, benzyl and naphthyl.
- 3. A composition as defined in claim 1 wherein said cycloaliphatic radical is selected from the group consisting of cyclohexyl-, cyclohexenyl-, cyclopentyl-, cyclooctyl-, and alpha-methylstyrene.
- 4. A composition as defined in claim 1 wherein said copolymer is employed in amounts of 0.2 to 20 parts by weight.
- 5. A composition as defined in claim 1 wherein the relative ratio of homopolymer to copolymer is about 10:1 to 1:10.
- 6. A composition as defined in claim 1 wherein said homopolymer is polypropylene.
- 7. A composition as defined in claim 1 wherein said homopolymer is polyisobutylene.
- 8. A composition as defined in claim 1 wherein said copolymer is from isobutylene and n-octene.
- 9. A composition as defined in claim 1 wherein said copolymer is from isobutylene and alpha-methylstyrene.
- 10. A composition as defined in claim 1 wherein said copolymer is from isobutylene and n-dodecene.
- 11. A composition as defined in claim 1 wherein said copolymer is from isobutylene and vinycyclohexane.
- 12. A composition as defined in claim 1 wherein said copolymer is from isobutylene and 5-ethylhexane.
- 13. A composition as defined in claim 1 wherein the elastomer and the copolymer are employed in a range of about 100 parts of elastomer to about 5 to 50 parts copolymer.
- 14. A composition as defined in claim 1 wherein the molecular weight of the copolymer is about 400 to about 3000 and the content of the monomer of formula (I) in the copolymer is about 1 to about 20 molar percent.
- 15. A composition as defined in claim 1 including an organic solvent.
- 16. The coating composition as defined in claim 1, wherein the molar ratio of olefin (a) to olefin (b) as in the range from about 95:5 to 20:80.
- 17. The coating composition of claim 1, wherein the combined amount of said homopolymer and said copolymer are in the range from 1 to 25 parts by weight.
- 18. The coating composition of claim 17 wherein the amount of the copolymer is in the range from about 1 to 7 parts by weight.
- 19. The coating composition of claim 18, wherein the molar ratio of olefin (a) to olefin (b) is in the range from about 95:5 to 20:80.
- 20. A coating composition consisting essentially of an organic system of 0 to 20 parts by weight of a oil-like homopolymer formed from a lower olefinic monomer containing 2 to 4 carbon atoms and a mixture of 100 p arts, on a dry basis , of a thermoplastic polyesterurethane or polyether urethane elastomer produced from the reactive product of hydroxyl poly)tetramethylene oxide), butane diol-1,4, and diphenyl methane p,p'-diisocyanate and 0.2 to 20 parts by weight mixture dry matter of a oil-like copolymer selected from the group consisting of (1) copolymeric material fromed from (a) an olefin having 2 to 4 carbon atoms and (b) an olefin having the formula: ##STR4## wherein R is selected from the group consisting of linear or branched chain alkyl radicals containing about 4 to about 20 carbon atoms in the carbon chain and carbo-cyclic radicals selected from the group consisting of aromatic carbo-cyclic radicals containing one to two benzene rings, and cycloaliphatic carbo-cyclic radicals containing from about 2 to about 12 carbon atoms in their chain, and (2) mixture of (1).
- 21. The coating composition of claim 20, wherein the amount of the copolymer is in the range from about 1 to 7 parts by weight.
Parent Case Info
This application is a continuation in part of our copending application, Ser. No. 177,500, filed on Sept. 7, 1971 now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
3310604 |
Steingiser et al. |
Mar 1967 |
|
Continuations (1)
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Number |
Date |
Country |
Parent |
177500 |
Sep 1971 |
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