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。

    Polymer mixtures comprised of styrene polymers
    7.
    发明授权
    Polymer mixtures comprised of styrene polymers 有权
    由苯乙烯聚合物组成的聚合物混合物

    公开(公告)号:US06369160B1

    公开(公告)日:2002-04-09

    申请号:US09623179

    申请日:2000-08-29

    IPC分类号: C08L5302

    摘要: Polymer mixtures comprise P1) from 1 to 85% by weight of an elastomeric block copolymer which has been built up from hard blocks S made from vinylaromatic monomers and from random soft blocks B/S made up from dienes and from vinylaromatic monomers, and which contains at least the block structure S-B/S-S, where the diene content is less than 50 percent by weight and the proportion of the soft phase formed from the blocks B/S is at least 60 percent by weight, based in each case on the entire block copolymer, P2) from 5 to 89% by weight of a block copolymer differing from P1) and made from vinylaromatic monomers and from dienes, P3) from 10 to 94% by weight of glass-clear or impact-modified polystyrene or mixtures thereof, and P4) from 0 to 84% by weight of other additives, where the total of components P1) to P4) is 100%.

    摘要翻译: 聚合物混合物包含1至85重量%的弹性体嵌段共聚物,其由由乙烯基芳族单体制成的硬块S和由二烯和乙烯基芳族单体组成的无规软嵌段B / S构成,并且其包含 至少块结构SB / SS,其中二烯含量小于50重量%,并且由块B / S形成的软相的比例为至少60重量%,基于每种情况下在整个嵌段共聚物 ,P2)5至89重量%的不同于P1的嵌段共聚物,并由乙烯基芳族单体和二烯制成P3)10至94重量%的玻璃透明或冲击改性的聚苯乙烯或其混合物,和P 4 )0〜84重量%的其他添加剂,其中组分P1)至P4的总量)为100%。

    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%。