Patent ID: 6399671
Filing Date: 2002-06-04
Classification: C08J

Abstract:
Rubber polymers synthesized from polymerizable monomers, wherein said polymerizable monomers are selected from the group consisting of ethylene, propylene, 1-butene, 2-butene, 1-pentene, chloroethylene, styrene, methyl acrylate, methyl methacrylate, ethyl methacrylate, methacrylic acid, vinyl acetate, maleic acid mono- and diester methyl vinyl ether, ethyl vinyl ether, cyanoacrylate, butadiene, isoprene, chloroprene or ethylidenenorbornene, wherein the gel content and swelling index of said rubber polymer is adjusted with &ggr; radiation such that said rubber polymer has a gel content of 40 to 80% with reference to the total mass of said rubber polymer and a swelling index of 30 to 75, relative to the gel.