Thermoplastic elastomer
    4.
    发明授权
    Thermoplastic elastomer 失效
    热塑性弹性体

    公开(公告)号:US6031053A

    公开(公告)日:2000-02-29

    申请号:US750705

    申请日:1996-12-17

    IPC分类号: C08F297/04 C08J5/18

    摘要: An elastomeric block copolymer comprising at least one block A having polymerized units of a vinylaromatic monomer and forming a rigid phase and at least one elastomeric block B/A having polymerized units of both vinylaromatic monomers and of a diene and forming a flexible phase, and glass transition temperature Tg of the block A being above 25.degree. C. and that of the block B/A being below 25.degree. C. and the phase volume ratio of block A to block B/A being chosen so that the amount of the rigid phase in the total block copolymer is 1 to 40% by volume and the amount of the diene is less than 50% by weight.

    摘要翻译: PCT No.PCT / EP95 / 02207 Sec。 371日期1996年12月17日第 102(e)日期1996年12月17日PCT提交1995年6月8日PCT公布。 第WO95 / 35335号公报 日期1995年12月28日一种弹性体嵌段共聚物,其包含至少一个具有乙烯基芳族单体的聚合单元并形成刚性相的嵌段A和至少一个具有乙烯基芳族单体和二烯的聚合单元的弹性嵌段B / A, 块A的柔性相和玻璃化转变温度Tg高于25℃,块B / A的玻璃化转变温度Tg低于25℃,并且选择块A与嵌段B / A的相体积比,使得 总嵌段共聚物中的刚性相的量为1〜40体积%,二烯的量小于50重量%。

    Thermoplastic elastomeric block copolymers
    5.
    发明授权
    Thermoplastic elastomeric block copolymers 失效
    热塑性弹性体嵌段共聚物

    公开(公告)号:US06197889B1

    公开(公告)日:2001-03-06

    申请号:US08981051

    申请日:1997-12-11

    IPC分类号: C08F29300

    CPC分类号: C08F297/04

    摘要: Elastomeric block copolymers comprising at least one hard block A composed of styrene monomers and at least one elastomeric block (B/A) composed of styrene monomers and dienes, the glass transition temperature Tg of the block A being more than 25° C. and that of block (B/A) being less than 25° C. and the phase volume ratio of block A to block (B/A) being chosen so that the proportion of the hard phase in the total block copolymer is from 1 to 40% by volume and the amount by weight of the diene is less than 50% by weight, and the relative proportion of 1,2 linkages of the polydiene, based on the sum of 1,2- and 1,4-cis/trans linkages, being below 15%, are prepared by anionic polymerization by means of a lithium alkyl in a nonpolar solvent in the presence of a soluble potassium salt and are used for the production of shaped articles.

    摘要翻译: 弹性体嵌段共聚物包含至少一个由苯乙烯单体组成的硬嵌段A和至少一个由苯乙烯单体和二烯构成的弹性嵌段(B / A),嵌段A的玻璃化转变温度Tg高于25℃, (B / A)小于25℃,并且选择块A与嵌段(B / A)的相体积比,使得总嵌段共聚物中硬相的比例为1〜40% 并且二烯的重量百分比小于50重量%,并且基于1,2-和1,4-顺/反键的总和的聚二烯的1,2-键的相对比例, 低于15%,通过在非极性溶剂中在可溶性钾盐的存在下通过烷基锂进行阴离子聚合制备,并用于生产成型制品。

    Thermoplastic moulding compounds
    6.
    发明授权
    Thermoplastic moulding compounds 失效
    热塑性模塑料

    公开(公告)号:US6162867A

    公开(公告)日:2000-12-19

    申请号:US254916

    申请日:1999-03-17

    摘要: The invention relates to thermoplastic molding compositions comprisingA) from 30 to 98% by weight of a graft copolymer comprisinga.sub.K) from 30 to 90% by weight of an elastomeric graft core,a.sub.S) from 10 to 70% by weight of a graft shell comprisinga.sub.S /1) from 50 to 100% by weight of a styrene compound or a C.sub.1 -C.sub.8 -alkyl acrylate or methacrylate, or a mixture thereof, anda.sub.S /2) from 0 to 50% by weight of one or more other monomers,B) from 1 to 50% by weight of a thermoplastic polymer andC) from 1 to 70% by weight of an elastomeric block copolymer prepared by anionic polymerization of the monomers with addition of a potassium compound soluble in non-polar solvents (Step 1) followed by hydrogenation of all or virtually all the olefinic double bonds of the polymer obtained in Step 1, as described in greater detail herein.

    摘要翻译: PCT No.PCT / EP97 / 04912 Sec。 371日期1999年3月17日 102(e)1999年3月17日PCT 1997年9月9日PCT公布。 公开号WO98 / 12256 1998年3月26日本发明涉及热塑性模塑组合物,其包含A)30至98重量%的接枝共聚物,其包含aK = 30至90重量%的弹性体接枝芯,aS)10至70重量% 包含50重量%至100重量%的苯乙烯化合物或丙烯酸或甲基丙烯酸C 1 -C 8烷基酯或其混合物的S / 1)的重量,S / 2)0至50重量% 一种或多种其它单体,B)1至50重量%的热塑性聚合物和C)1至70重量%的通过单体的阴离子聚合制备的弹性体嵌段共聚物,加入可溶于非离子的钾化合物 - 极性溶剂(步骤1),随后氢化步骤1中获得的聚合物的所有或几乎所有的烯属双键,如本文更详细描述的。

    Thermoplastic molding materials
    7.
    发明授权
    Thermoplastic molding materials 失效
    热塑性成型材料

    公开(公告)号:US5760134A

    公开(公告)日:1998-06-02

    申请号:US721539

    申请日:1996-09-26

    IPC分类号: C08L51/00 C08L53/02 C08L51/04

    摘要: Thermoplastic molding materials of A) from 30 to 98% by weight of a graft polymer of a.sub.c) from 30 to 90% by weight of an elastomeric graft core and a.sub.s) from 10 to 70% by weight of a graft shell, B) from 1 to 50% by weight of a thermoplastic polymer, C) from 1 to 70% by weight of an elastomeric block copolymer, and D) from 0 to 30% by weight of a polymer having a star-like structure.

    摘要翻译: A)30至98重量%的交联聚合物(ac)为30至90重量%的弹性体接枝芯,以及10至70重量%的接枝壳,B)从 1至50重量%的热塑性聚合物,C)1至70重量%的弹性体嵌段共聚物,和D)0至30重量%的具有星形结构的聚合物。

    Thermoplastic moulding materials
    8.
    发明授权
    Thermoplastic moulding materials 有权
    热塑性成型材料

    公开(公告)号:US06579937B1

    公开(公告)日:2003-06-17

    申请号:US09868516

    申请日:2001-06-18

    IPC分类号: C08L2508

    摘要: Thermoplastic molding compositions comprising (A) 5 to 98%-wt., based on components (A) through (E), of at least one elastomeric graft copolymer, (B) 1 to 90%-wt., based on components (A) through (E), of a further copolymer, (C) 1 to 70%-wt., based on components (A) though (D), of an elastomeric block copolymer composed of at least one block CA (hard phase) having copolymerized units of a vinylaromatic monomer, and at least one elastomeric block C(B/A) (soft phase) having copolymerized units of a vinylaromatic monomer, and of a diene, (D) 0 to 300%-wt., based on components (A) through (C), of a polycarbonate, and (E) 0 to 30%-wt., based on components (A) through (E), of conventional additives and processing aids, are useful for producing films, moldings or fibers.

    摘要翻译: 包含(A)基于组分(A)至(E)的至少一种弹性体接枝共聚物为5至98重量%的热塑性模制组合物,(B)基于组分(A)的1-90重量% )(E)中的另一种共聚物,(C)基于组分(A)至(D)的1-70重量%的由至少一个共聚的嵌段CA(硬相)组成的弹性体嵌段共聚物 乙烯基芳族单体的单元和具有乙烯基芳族单体和二烯的共聚单元的至少一种弹性嵌段C(B / A)(软相),(D)基于组分(A)为0至300重量% )通过(C),聚碳酸酯,和(E)0〜30重量%,基于常规添加剂和加工助剂的组分(A)至(E),可用于制备膜,模制品或纤维。

    Transparent antiblocking film
    9.
    发明授权
    Transparent antiblocking film 失效
    透明防粘膜

    公开(公告)号:US5972519A

    公开(公告)日:1999-10-26

    申请号:US983362

    申请日:1998-01-13

    摘要: A film in roll form, in particular for food packaging as substitute for a film made from polyvinyl chloride, comprises from 15 to 99.6% by weight of an elastomeric styrene-butadiene block copolymer, from 15 to 99.6% of a thermoplastic polymer, from 0.1 to 10% of an antifogging agent, from 0.1 to 5% of a primary antioxidant, from 0.1 to 5% of a secondary antioxidant and from 0.1 to 50% of other auxiliaries, and shrinks perpendicularly to the direction of take-off by not more than 3% during a storage period of three months.

    摘要翻译: PCT No.PCT / EP97 / 02682 Sec。 371日期1998年1月13日 102(e)日期1998年1月13日PCT提交1997年5月26日PCT公布。 公开号WO97 / 46608 日期1997年12月11日卷纸形式的薄膜,特别是用于代替由聚氯乙烯制成的薄膜的食品包装,包含15至99.6重量%的弹性体苯乙烯 - 丁二烯嵌段共聚物,15至99.6重量% 热塑性聚合物,0.1〜10%的防雾剂,0.1〜5%的初级抗氧化剂,0.1〜5%的二级抗氧化剂和0.1〜50%的其他助剂,并垂直收缩 在三个月的储存期间,不超过3%。