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    • 14. 发明申请
    • ALPHA-NUCLEATED POLYPROPYLENE FOR POWER CABLE INSULATION
    • 用于电力电缆绝缘的ALPHA-核聚对苯二甲酸乙二醇酯
    • WO2010076242A1
    • 2010-07-08
    • PCT/EP2009/067518
    • 2009-12-18
    • BOREALIS AGMACHL, DorisKLIMKE, Katja
    • MACHL, DorisKLIMKE, Katja
    • C08L23/14C08L23/16C08L23/18
    • C08L23/142C08L23/14C08L23/16C08L23/18C08L2203/202C08L2205/03C08L2207/02C08L2308/00C08L2666/02
    • The present invention relates to a heterophasic polymer composition, comprising (i) a matrix which comprises a propylene copolymer or a blend of two or more propylene copolymers, wherein the propylene copolymer or the blend of propylene copolymers represents at least 85 wt% of the matrix and comprises comonomer units derived from ethylene and/or a C 4-12 alpha-olefϊn, and (ii) an elastomeric propylene copolymer which is dispersed within the matrix and comprises comonomer units derived from ethylene and/or a C 4-I2 alpha-olefm; (iii) a polymeric alpha-nucleating agent which comprises monomer units derived from a vinyl compound of the following chemical formula (I) wherein R1 and R2 independently represent a substituted or unsubstituted alkyl, cycloalkyl or aryl, or R1 and R2 together form a saturated, unsaturated or aromatic ring system; the heterophasic polymer composition further having (iv) a xylene cold soluble fraction of at least 15 wt%.
    • 本发明涉及多相聚合物组合物,其包含(i)包含丙烯共聚物或两种或多种丙烯共聚物的共混物的基质,其中丙烯共聚物或丙烯共聚物的共混物表示基质的至少85重量% 并且包含衍生自乙烯和/或C 4-12α-烯烃的共聚单体单元,和(ii)弹性体丙烯共聚物,其分散在基质内并包含衍生自乙烯和/或C 4 -C 12α-烯烃的共聚单体单元, 烯烃; (iii)聚合α-成核剂,其包含衍生自以下化学式(I)的乙烯基化合物的单体单元,其中R 1和R 2独立地表示取代或未取代的烷基,环烷基或芳基,或者R 1和R 2一起形成饱和 ,不饱和或芳环体系; 所述多相聚合物组合物还具有(iv)至少15重量%的二甲苯冷可溶性部分。