首页> 外国专利> ADHESIVE COMPOSITION COMPRISING BLOCK COPOLYMER WITH POLYVINYL AROMATIC ENDBLOCK AND POLY(VINYL AROMATIC/BUTADIENE) COPOLYMER BLOCK AND SIS BLOCK COPOLYMER, ARTICLES, AND METHODS

ADHESIVE COMPOSITION COMPRISING BLOCK COPOLYMER WITH POLYVINYL AROMATIC ENDBLOCK AND POLY(VINYL AROMATIC/BUTADIENE) COPOLYMER BLOCK AND SIS BLOCK COPOLYMER, ARTICLES, AND METHODS

机译:包含嵌段共聚物的粘合剂组合物与聚乙烯芳族封端和聚(乙烯基芳族/丁二烯)共聚物嵌段和SIS嵌段共聚物,制品和方法

摘要

A pressure sensitive adhesive composition is described comprising a first block copolymer comprising polyvinyl aromatic end block and poly(vinyl aromatic/butadiene) copolymer block; at least 20 wt.% of a second polystyrene-polyisoprene-polystyrene block copolymer; and solid tackifying resin. The total amount of block copolymer typically ranges from 40-65 wt.% and plasticizing oil and liquid tackifying resin are present in a total amount of less than 20 wt.-% based on the total weight of organic components of the pressure sensitive adhesive composition. Also describe are adhesive articles and methods.
机译:描述了一种压敏粘合剂组合物,其包含包含聚乙烯芳族端嵌段和聚(乙烯基芳族/丁二烯)共聚物嵌段的第一嵌段共聚物; 至少20重量%。二苯乙烯 - 聚异戊二烯 - 聚苯乙烯嵌段共聚物的%; 和固体增长树脂。 嵌段共聚物的总量通常为40-65重量%。%和塑化油和液体增粘树脂的总量以小于20重量%的总量存在,基于压敏粘合剂组合物的有机成分的总重量 。 还描述了粘合剂制品和方法。

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