Block copolymer composition
    1.
    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。

    Block copolymer compositions and process for the preparation thereof
    2.
    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。

    Thermoplastic polymer composition
    3.
    发明授权
    Thermoplastic polymer composition 失效
    热塑性聚合物组合物

    公开(公告)号:US5104938A

    公开(公告)日:1992-04-14

    申请号:US317841

    申请日:1989-03-02

    CPC分类号: C08L53/02 C08L53/025

    摘要: A thermoplastic polymer composition consisting essentially of:(a) at least one member selected from the group consisting of a block copolymer consisting of a polymer block comprising at least 60% by weight of an alkenyl aromatic compound and a polymer block comprising at least 60% by weight of a conjugated diene compound and a hydrogenated product of said copolymer;(b) a thermoplastic polyurethane elastomer and(c) at least one member selected from the group consisting of the following (c-1) and (c-2) components:(c-1): a copolymer of an alkenyl aromatic compound with at least one compound selected from the group consisting of an unsaturated carboxylic acid and its derivative,(c-2): a modified (co)polymer obtained by reacting an isocyanate with a (co)polymer of at least one compound selected from the group consisting of an alkenyl aromatic compound and a conjugated diene compound; or a hydrogenated product of the modified (co)polymer or a mixture of the isocyanate-modified (co)polymer with the hydrogenated product,wherein the (a)/(b) weight ratio is 2/98-98/2 and the proportion of the (c) component is 1-100 parts by weight per 100 parts by weight of a total of the (a) and (b) components. The above composition is excellent in compatibility between the (a) component and the (b) component, and hence, has excellent heat resistance, mechanical strengths and wear resistance.

    Medical device
    4.
    发明授权
    Medical device 失效
    医疗装置

    公开(公告)号:US5264488A

    公开(公告)日:1993-11-23

    申请号:US827447

    申请日:1992-01-29

    摘要: A medical device produced by molding a composition comprising (I) 10 to 50% by weight of a polyolefin resin (II) 1 to 89% by weight of a hydrogenated diene polymer obtained by hydrogenating not less than 90 mol % of a butadiene moiety of a linear or branched copolymer consisting of a polybutadiene block segment (C) having a 1,2-vinyl bond content of not more than 20 mol % and a block segment (D) of either polybutadiene or a vinyl aromatic compound-butadiene copolymer whose butadiene moiety has a 1,2-vinyl bond content in the range of from 25 to 95 mol % and having a block structure represented by C-(D-C).sub.n or (C-D).sub.m, wherein n stands for an integer of at least 1 and m for an integer of at least 2, and (III) 1 to 89% by weight of at least one member selected from the group consisting of (i) a block copolymer composed of a polymer block having a vinyl aromatic compound as a main component thereof and a polymer block having a conjugate diene compound as a main component thereof, (ii) a hydrogenated random copolymer of a vinyl aromatic compound and a conjugated diene compound, and (iii) a hydrogenated block copolymer composed of a polymer block having a vinyl aromatic compound as a main component thereof and a polymer block having a conjugate diene compound as a main component thereof, wherein the sum of (1)+(R)+(III) is 100% by weight.