Block copolymer compositions and process for the preparation thereof
    1.
    发明授权
    Block copolymer compositions and process for the preparation thereof 失效
    嵌段共聚物组合物及其制备方法

    公开(公告)号:US5093430A

    公开(公告)日:1992-03-03

    申请号:US442334

    申请日:1989-11-22

    摘要: A block copolymer composition is provided comprising:(1) 10-60% by weight of a block copolymer [(A--B).sub.11 ].sub.m --Y.sub.1(2) 20-90% by weight of a block copolymer [(A--B).sub.12 ].sub.n --Y.sub.2, and(3) 0-50% by weight of a block copolymer (A--B.sub.13,in which A represents a vinyl aromatic polymer block having a molecular weight of 10,000-30,000 wherein the vinyl aromatic compound is selected from the group consisting of styrene, alkyl substituted styrene and a vinyl naphtalene, B.sub.1 a conjugated diene polymer block having a molecular weight of 25,000-100,000, B.sub.2 a conjugated diene polymer block having a molecular weight at least 1.2 times as high as that of B.sub.1 wherein the conjugated diene compound of B.sub.1 and B.sub.2 is a conjugated diene having four to eight carbon atoms per molecule, Y.sub.1 and Y.sub.2 respectively represent a halogenated, tetravalent silicon compound and a halogenated, tetravalent stannic compound and 11=1-3, m=2-4, 12=1-6, n=2-4 and 13=1-6.The block copolymer is prepared by the successive steps of (i) polymerizing the vinyl aromatic compound building block A and the conjugated diene compound building block B.sub.1, (ii) adding a halogenated tetravalent silicon compound, (iii) adding and polymerizing the conjugated diene compound building block B.sub.2 and (iv) adding a halogenated tetravalent stannic compound. The block copolymer is particularly useful in adhesive compositions.

    摘要翻译: PCT No.PCT / EP88 / 00271 Sec。 371日期:一九八九年十一月二十二日 102(e)日期1989年11月22日PCT提交1988年3月25日PCT公布。 出版物WO89 / 09242 日本特开1989年10月5日提供了一种嵌段共聚物组合物,其包含:(1)10-60重量%嵌段共聚物[(AB)11] m-Y1(2)20-90重量%的嵌段共聚物 [(AB)12] n-Y2和(3)0-50重量%的嵌段共聚物(A-B13,其中A表示分子量为10,000-30,000的乙烯基芳族聚合物嵌段,其中乙烯基芳族 化合物选自苯乙烯,烷基取代的苯乙烯和乙烯基萘,B1是分子量为25,000-100,000的共轭二烯聚合物嵌段,B2是分子量为至少1.2倍的共轭二烯聚合物嵌段 其中B1和B2的共轭二烯化合物是每分子具有4至8个碳原子的共轭二烯的B1,其中Y 1和Y 2分别表示卤代四价硅化合物和卤代四价锡化合物,并且11 = 1-3, m = 2-4,12 = 1-6,n = 2-4和13 = 1-6。通过连续步骤制备嵌段共聚物 (i)使乙烯基芳族化合物结构单元A和共轭二烯化合物结构单元B1聚合,(ii)添加卤代四价硅化合物,(iii)添加和聚合共轭二烯化合物结构单元B2,和(iv) 卤代四价锡化合物。 嵌段共聚物在粘合剂组合物中特别有用。

    Block copolymer composition
    2.
    发明授权
    Block copolymer composition 失效
    嵌段共聚物组成

    公开(公告)号:US5089550A

    公开(公告)日:1992-02-18

    申请号:US427090

    申请日:1989-10-02

    CPC分类号: C09J153/02 C08F297/046

    摘要: A block copolymer composition comprising40-85% by weight of a block copolymer A.sub.1 -B.sub.1 from an aromatic vinyl compound and a conjugated diene, respectively, A.sub.1 being 12,000 and >150,000, respectively, and15-60% by weight of a block copolymer A.sub.2 -B.sub.2 -A.sub.3 from an aromatic vinyl compound, a conjugated diene and aromatic vinyl compound, respectively, A.sub.2 +A.sub.3 being >20% by weight of A.sub.2 +B.sub.2 +A.sub.3, A.sub.2 and A.sub.3 having a molecular weight >12,000 and(molecular weight of B.sub.2).ltoreq.(molecular weight of B.sub.1)/1.5. an adhesive composition comprising100 parts by weight (pbw) of said block copolymer composition, 20-300 pbw of a tackifying resin, and0-200 pbw of a softener, anda process for the preparation of said adhesive composition by mixing the components in question.

    摘要翻译: PCT No.PCT / EP88 / 00176 Sec。 371日期1989年10月2日第 102(e)日期1989年10月2日PCT提交1988年3月4日PCT公布。 出版物WO89 / 08128 日本公报1989年9月8日。一种嵌段共聚物组合物,其包含40-85重量%的芳族乙烯基化合物和共轭二烯的嵌段共聚物A1-B1,A1分别为(A1 + B1)的20重量% 分别为分子量> 12,000和> 150,000的A1和B1和分别为芳族乙烯基化合物,共轭二烯和芳族乙烯基化合物的嵌段共聚物A2-B2-A3的15-60重量%分别为A2 + A3为A2 + B2 + A3的A2重量%,分子量> 12,000和(分子量为B2)的分子量为B1的分子量为B1的A2,A2和A3。 包含100重量份(pbw)所述嵌段共聚物组合物,20-300pbw增粘树脂和0-200pbw软化剂的粘合剂组合物,以及通过将组分混合制备所述粘合剂组合物的方法 题。