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Radiation curable isoolefin copolymers

  • US 5,459,174 A
  • Filed: 06/24/1994
  • Issued: 10/17/1995
  • Est. Priority Date: 05/27/1988
  • Status: Expired due to Term
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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