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    • 40. 发明申请
    • TIGER STRIPE MODIFIER
    • WO2014083129A1
    • 2014-06-05
    • PCT/EP2013/075014
    • 2013-11-28
    • BOREALIS AG
    • TRANNINGER, MichaelGRESTENBERGER, GeorgSANDHOLZER, MartinaSCHWARZENBERGER, SimonKAHLEN, SusannePOTTER, Gregory
    • C08L23/12C08F2/00
    • C08L23/12C08L23/16C08L2205/02C08L2207/02C08L23/14C08F210/06C08F210/16C08F2500/12C08F2500/17C08F2500/21C08F2/001C08F110/06C08F4/6545C08F4/6465C08F4/6492
    • Tiger stripe modifier being a heterophasic polypropylene composition having a melt flow rate MFR 2 (230°C) in the range of 0.5 to 20 g/10 min and comprises a propylene homopolymer and an elastomeric propylene copolymer, wherein said propylene homopolymer has a melt flow rate MFR 2 (230°C) in the range of above 10 to 300 g/10 min; the xylene cold soluble fraction of the heterophasic polypropylene composition has an intrinsic viscosity in the range of more than 2.5 to below 11.0 dl/g; and the comonomer content of the xylene cold soluble fraction of the heterophasic polypropylene composition is in the range of 10.0 to 25.0 wt.-%; wherein further the heterophasic polypropylene composition fulfills the inequation (I) 0.3 ≥ (0.241 x C ) - (1.14 x IV ) (I) wherein C is the comonomer content of the xylene cold soluble (XCS) fraction of the heterophasic polypropylene composition (HECO1), and IV is the intrinsic viscosity of the xylene cold soluble (XCS) fraction of the heterophasic polypropylene composition (HECO1).
    • Tiger条纹改性剂是熔体流动速率MFR 2(230℃)在0.5至20g / 10min范围内并包含丙烯均聚物和弹性体丙烯共聚物的多相聚丙烯组合物,其中所述丙烯均聚物具有熔体流动速率 在10〜300g / 10min范围内的MFR2(230℃); 多相聚丙烯组合物的二甲苯冷可溶部分的特性粘度在大于2.5至低于11.0dl / g的范围内; 并且多相聚丙烯组合物的二甲苯冷可溶部分的共聚单体含量在10.0至25.0重量%的范围内; 其中进一步的异相聚丙烯组合物满足不等式(I)0.3≥(0.241×C) - (1.14×IV)(I)其中C是多相聚丙烯组合物的二甲苯冷可溶(XCS)级分的共聚单体含量(HECO1 ),IV是异相聚丙烯组合物(HECO1)的二甲苯冷可溶(XCS)级分的特性粘度。