Thermoplastic molding compound
    4.
    发明授权
    Thermoplastic molding compound 失效
    热塑性模塑料

    公开(公告)号:US5854353A

    公开(公告)日:1998-12-29

    申请号:US750635

    申请日:1996-12-16

    CPC分类号: C08F212/32 C08F297/02

    摘要: Thermoplastic molding compounds comprise as essential components A) from 10 to 100% by weight of copolymers of the monomers of the general formulae I and II ##STR1## where R.sub.1 is H or alkyl of 1-22 carbon atoms, R.sub.2 is H or alkyl of 1-22 carbon atoms, R.sub.3 is H or alkyl of 1-4 carbon atoms, a is 0, 1, 2, 3, 4 or 5, and b is 0, 1, 2, 3, 4 or 5, B) from 0 to 3000 ppm, based on the weight of component A, of compounds of the general formula I, C) from 0 to 500 ppm, based on the weight of component A, of compounds of the general formula II, D) from 0 to 90% by weight, based on the total weight of the molding compound, of polymers other than A), and E) from 0 to 50% by weight, based on the total weight of the molding compound, of additives and processing aids.

    摘要翻译: PCT No.PCT / EP95 / 02072 Sec。 371日期1996年12月16日第 102(e)日期1996年12月16日PCT提交1995年5月31日PCT公布。 出版物WO95 / 34586 日期1995年12月21日热塑性成型化合物包含作为必要组分的A)10至100重量%的通式I和II的单体的共聚物,其中R 1为H或1- 22个碳原子,R2是H或1-22个碳原子的烷基,R3是H或1-4个碳原子的烷基,a是0,1,2,3,4或5,b是0,1,2 ,3,4或5,B)0-3000ppm,基于组分A的重量,通式I的化合物,C)0-500ppm,基于组分A的重量,化合物 通式II,D)0至90重量%,基于模塑料的总重量,除A)以外的聚合物,和E)0至50重量%,基于 模塑料,添加剂和加工助剂。

    Thermoplastic elastomer
    9.
    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%。

    Preparation of impact-resistant polystyrene
    10.
    发明授权
    Preparation of impact-resistant polystyrene 失效
    抗冲击聚苯乙烯的制备

    公开(公告)号:US5990236A

    公开(公告)日:1999-11-23

    申请号:US886284

    申请日:1997-07-01

    CPC分类号: C08L53/02 C08F287/00

    摘要: Abstract of the disclosure: A process is described for the continuous preparation of an impact-resistant molding material by anionic polymerization of styrene or another aromatic vinyl compound or mixtures thereof in the presence of a solvent and a block rubber, wherein the polymerization is carried out in at least 2 reaction vessels that together form a reactor cascade, the monomer stream being subdivided among the reaction vessels present, the living polymer chain ends being terminated in a conventional manner and the solvent being removed.

    摘要翻译: 本发明摘要描述了一种在溶剂和嵌段橡胶存在下通过苯乙烯或其它芳族乙烯基化合物或其混合物的阴离子聚合连续制备耐冲击成型材料的方法,其中进行聚合 在共同形成反应器级联的至少2个反应容器中,将单体流细分为存在的反应容器,活性聚合物链末端以常规方式终止并除去溶剂。