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    • 5. 发明公开
    • 접착성 필름
    • 胶粘膜
    • KR1020090080955A
    • 2009-07-27
    • KR1020097009145
    • 2007-10-16
    • 다우 글로벌 테크놀로지스 엘엘씨
    • 맥기로버트엘하틀윅줄리알
    • C09J7/02B32B15/08B32B5/18C09J123/06
    • C08L23/06B32B7/12B32B15/08C08L23/0815C08L51/06C08L2666/02C08L2666/04C08L2666/24C09J7/10C09J7/22C09J7/35C09J151/06C09J153/00C09J2423/00C09J2451/00Y10T428/249991Y10T428/31692C08L2666/06C09J7/00C09J123/06
    • This invention comprises a film useful as an adhesive, a composition useful to make the film, and a laminate comprising the film contiguous with at least one metal substrate, at least one foam substrate or combination thereof. The composition comprises (a) at least one anhydride grafted olefin polymer, (b) at least one high density polyethylene, and (c) at least one elastomer, which preferably has a tensile elongation at break of at least about 585%, a density of at most about 0.900 g/cm3 or a combination thereof. The anhydride grafted olefin polymer or combination thereof is preferably present in an amount of from about 20 to about 40 weight percent, the high density polyethylene or combination thereof is preferably present in an amount of from about 40 to about 60 weight percent, and the elastomer or combination thereof is preferably present in an amount of from about 17 to about 30 weight percent. Each anhydride grafted olefin polymer is independently most preferably a maleic anhydride grafted high density polyethylene. The high density polyethylene preferably has a melt index at most about 30 dg/min. The elastomer is preferably a substantially linear ethylene polymer or olefin block copolymer.
    • 本发明包括可用作粘合剂的膜,可用于制备膜的组合物,以及包含与至少一种金属基材,至少一种泡沫基材或其组合相邻的膜的层压体。 该组合物包含(a)至少一种酸酐接枝的烯烃聚合物,(b)至少一种高密度聚乙烯,和(c)至少一种弹性体,其优选地具有至少约585%的拉伸断裂伸长率,密度 至多约0.900g / cm 3或其组合。 酸酐接枝的烯烃聚合物或其组合优选以约20至约40重量%的量存在,高密度聚乙烯或其组合优选以约40至约60重量%的量存在,弹性体 或其组合优选以约17至约30重量%的量存在。 每个酸酐接枝的烯烃聚合物独立地最优选马来酸酐接枝的高密度聚乙烯。 高密度聚乙烯优选具有至多约30dg / min的熔体指数。 弹性体优选为基本上线性的乙烯聚合物或烯烃嵌段共聚物。