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2. 发明申请

WO2005005536A1 BLENDS OF GRAFT COPOLYMERS AND STYRENE/BUTADIENE BLOCK COPOLYMERS 审中-公开
标题翻译：共聚物和苯乙烯/丁二烯嵌段共聚物的共混物
公开(公告)号：WO2005005536A1
公开(公告)日：2005-01-20
申请号：PCT/EP2004/007202
申请日：2004-07-02
申请人： BASF AKTIENGESELLSCHAFT , NIESSNER, Norbert , CHAVEZ, Rogelio
发明人： NIESSNER, Norbert , CHAVEZ, Rogelio
IPC分类号： C08L25/12
CPC分类号： C08F297/04 , C08F265/04 , C08F279/02 , C08F279/04 , C08L25/12 , C08L25/14 , C08L51/00 , C08L51/04 , C08L53/02 , C08L55/02 , C08L2205/03 , C08L2666/24 , C08L53/00
摘要： Molding materials comprise A) from 70 to 99% by weight of a composition comprising al) a graft copolymer comprising a rubber as a grafting base and a graft based on an unsaturated monomer and a2) a matrix polymer and B) from 1 to 30% by weight of a linear or star styrene/butadiene block copolymer comprising at least two hard blocks S1 and S2 of vinylaromatic monomers and at least one random soft block B/S present in between and comprising vinylaromatic monomers and dienes, the amount of the hard blocks being more than 30% by weight, based on the total block copolymer, and the sum of the components A) and B) being 100% by weight. A process for the preparation of molding materials which have a melt stability of 3 cm or less, determined on the basis of the sag of a 1 mm thick film at 2300C, is also described. The block copolymers B) are used for the preparation of such molding materials. Furthermore, the molding materials are used for the production of shaped articles, films or fibers, and refrigerator parts can be obtained using the molding materials.
摘要翻译：成型材料包含A）70-99重量％的组合物，其包含：a）包含作为接枝基材的橡胶和基于不饱和单体的接枝物的接枝共聚物，和a2）基质聚合物和B）1至30重量％包含至少两个乙烯基芳族单体的硬嵌段S1和S2以及存在于其中并且包含乙烯基芳族单体和二烯之间的至少一个随机软嵌段B / S的线性或星形苯乙烯/丁二烯嵌段共聚物，硬嵌段基于总嵌段共聚物大于30重量％，组分A）和B）的总和为100重量％。还描述了一种用于制备熔体稳定性为3cm或更小的模塑材料的方法，其基于在230℃下1mm厚的薄膜的下垂而确定。嵌段共聚物B）用于制备这种成型材料。此外，成型材料用于成型制品，膜或纤维的生产，并且可以使用成型材料获得冰箱部件。

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