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公开(公告)号：US20220136140A1
公开(公告)日：2022-05-05
申请号：US17434454
申请日：2020-02-26
发明人： Kristy A. Jost , Liyun Ren , Rongzhi Huang , William J. Kopecky , James M. Jonza , Andrew J. Ouderkirk
摘要： The present invention is a process for converting a multilayer film to a plurality of nano-ribbons. The process includes co-extruding a first film and a second film to form the multilayer film, slitting the multilayer film to form a plurality of multilayer ribbons, and separating the multilayer ribbons to form a plurality of nano-ribbons having substantially flat cross-sections.
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公开(公告)号：US20210095165A1
公开(公告)日：2021-04-01
申请号：US15733215
申请日：2018-12-03
发明人： Ross J. DeVolder , Ramasubramani Kuduva Raman Thanumoorthy , Michele A. Craton , Rongzhi Huang , Sung-Tso Lin
IPC分类号： C09J7/30 , C09J153/02 , C09J133/08
摘要： Stretch-release adhesives are provided which are derived from mixtures comprising: a) a tackified styrenic block copolymer comprising: i) one or more tackifiers; and ii) one or more styrenic block copolymers; wherein the weight ratio of i) to ii) is not more than 1.0:2.0; and b) one or more (meth)acrylate polymers. In some embodiments, the weight ratio of a) to b) is between 0.4:1.0 and 5.0:1.0 and in some between 1.0:1.0 and 3.9:1.0. In some embodiments, the one or more styrenic block copolymers comprise at least 90 wt % linear block copolymers. In some embodiments, the tackifiers are miscible with rubbery blocks of the styrenic block copolymers and not miscible with the (meth)acrylate polymers. In some embodiments, the mixture is crosslinked. Tapes comprising stretch-release adhesives according to the present disclosure are also provided.
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