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    • 4. 发明授权
    • Adhesive compositions
    • 粘合剂组合物
    • US4104327A
    • 1978-08-01
    • US648325
    • 1976-01-12
    • Hisaaki InoueHisataka KomaiSeiichi Okada
    • Hisaaki InoueHisataka KomaiSeiichi Okada
    • C09J109/00C09J153/02C08L7/00C08L9/00C08L9/06
    • C09J109/00C09J153/02
    • An adhesive composition comprising(A) 100 parts by weight of an elastomer consisting of (I) 30 to 100% by weight of a thermoplastic elastomer expressed by the general formula (S-B).sub.n or (S-B).sub.n-1 --S in which S is substantially a polystyrene block, B is substantially a polybutadiene block, and n is an integer of from 2 to 10, and (II) 70 to 0% by weight of a thermoplastic elastomer expressed by the general formula (S--I).sub.n or (S-I).sub.n-1 --S in which S is substantially a polystyrene block, I is substantially a polyisoprene block, and n is an integer of from 2 to 10, and(B) 50 to 250 parts by weight of a hydrocarbon resin containing 40 to 95% by weight of a 1,3-pentadiene unit and 60 to 5% by weight of an .alpha.-methylstyrene unit in the polymer chain and having a softening point of 60.degree. to 140.degree. C.
    • 一种粘合剂组合物,其包含(A)100重量份由(I)30至100重量%的由通式(SB)n或(SB)n-1-S表示的热塑性弹性体组成的弹性体,其中S 基本上是聚苯乙烯嵌段,B基本上是聚丁二烯嵌段,n是2至10的整数,和(II)70至0重量%的由通式(SI)n表示的热塑性弹性体或(SI )n-1-S,其中S基本上是聚苯乙烯嵌段,I基本上是聚异戊二烯嵌段,n是2〜10的整数,(B)50〜250重量份的含有40〜 95重量%的1,3-戊二烯单元和60〜5重量%的α-甲基苯乙烯单元,其软化点为60〜140℃。