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Pressure sensitive adhesive comprising a blend of a synthetic rubber and a functionalized synthetic rubber bonded to an acrylic polymer
Pressure sensitive adhesive comprising a blend of a synthetic rubber and a functionalized synthetic rubber bonded to an acrylic polymer
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机译:压敏粘合剂,包含合成橡胶和官能化合成橡胶的共混物,与丙烯酸聚合物粘合
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摘要
A pressure sensitive adhesive composition is described comprising unfunctionalized (e.g. polyisobutylene) synthetic rubber and an acrylic polymer having functionalized polyisobutylene polymer bonded to the acrylic polymer. In some embodiments, the functionalized polyisobutylene polymer has a first functional group hydrogen bonded with a second functional group present in the acrylic polymer backbone. In other embodiments, the functionalized polyisobutylene polymer is covalently bonded to the acrylic polymer backbone. Also described are adhesive articles, such as a tape, methods of adhesively bonding, and methods of making a pressure sensitive adhesive.
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