Radiation curable isoolefin copolymers
First Claim
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1. A radiation curable functionalized copolymer comprising:
- an isoolefin of 4 to 7 carbon atoms and a para-alkylstyrene comonomer said copolymer having acrylate functionality grafted randomly onto at least 0.5 to 55 mole % of the para-alkyl groups of the copolymer andsaid copolymer has 1 ppm to 3 wt.%, based upon the weight of the copolymer, of photosensitive functionality randomly grafted onto a portion of the para-alkyl groups of the copolymer.
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Abstract
A radiation curable functionalized polymer is disclosed. The functionalized polymer is a copolymer of an isoolefin of 4 to 7 carbon atoms and para-alkylstyrene, wherein the para-alkylstyrene is functionalized with an acrylate or a mixture of acrylates and/or a photosensitizer and/or other functional groups at the para-alkyl groups of the para-alkylstyrene.
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Citations
36 Claims
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1. A radiation curable functionalized copolymer comprising:
- an isoolefin of 4 to 7 carbon atoms and a para-alkylstyrene comonomer said copolymer having acrylate functionality grafted randomly onto at least 0.5 to 55 mole % of the para-alkyl groups of the copolymer and
said copolymer has 1 ppm to 3 wt.%, based upon the weight of the copolymer, of photosensitive functionality randomly grafted onto a portion of the para-alkyl groups of the copolymer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
- an isoolefin of 4 to 7 carbon atoms and a para-alkylstyrene comonomer said copolymer having acrylate functionality grafted randomly onto at least 0.5 to 55 mole % of the para-alkyl groups of the copolymer and
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36. A radiation curable functionalized blend, comprising:
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a copolymer of an isoolefin of 4 to 7 carbon atoms and a para-alkylstyrene comonomer said copolymer having acrylate functionality grafted randomly onto at least 0.5 to 55 mole% of the para-alkyl groups of the copolymer, and wherein the acrylate is represented by the formula;
##STR32## wherein R1 and R2 are independently hydrogen or a C1 to C20 alkyl, R3 is hydrogen or a C1 to C20 alkyl or an unsaturated C1 to C20 alkyl; andblended with 1 ppm to 3 wt. %, based upon the weight of the copolymer, of photosensitive functionality.
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Specification