会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明申请
    • PROPYLENE POLYMER COMPOSITION
    • 丙烯聚合物组合物
    • WO2007009534A1
    • 2007-01-25
    • PCT/EP2006/005666
    • 2006-06-13
    • BOREALIS TECHNOLOGY OYGREIN, ChristelleGAHLEITNER, Markus
    • GREIN, ChristelleGAHLEITNER, Markus
    • C08K5/00
    • C08K5/0083C08K3/013C08L23/10
    • A propylene polymer composition having a high impact strength and a high stiffness for the manufacture of parts having an excellent surface quality comprising A) 70 to 98 wt.-% of a heterophasic propylene copolymer with ethylene or an alpha-olefin with 4 to 12 carbon atoms, the propylene copolymer, which contains more than 60 wt.-% propylene, having a melt flow rate (MFR 2 ) of 0.5 to 50 g/10min and a ratio between elastomer molecular weight and total molecular weight expressed as M w /M w (XCS) of more than 0.8, M w being the weight average molecular weight of the propylene copolymer and M w (XCS) being the weight average molecular weight of the propylene copolymer which is soluble in xylene at +23°C, and the propylene copolymer further containing a portion of 5 to 35 wt.-% soluble in xylene at +23°C (XCS content), B) 2 to 30 wt.-% of a mineral filler, C) 0.0001 to 1.0 wt. -% of a β-nucleating agent promoting the β-modification of the propylene copolymer, said composition having a content of β-modification of more than 50 % determined by differential scanning calorimetry (DSC) and an impact strength at -20°C which is at least 50 % higher than the impact strength of the propylene copolymer (A).
    • 一种丙烯聚合物组合物,具有高冲击强度和高刚性,用于制造具有优异表面质量的部件,其包括A)70-98重量%的多烯丙烯共聚物与乙烯或具有4至12个碳原子的α-烯烃 原子,丙烯共聚物,其含有大于60重量%的丙烯,其熔体流动速率(MFR 2/2)为0.5-50g / 10min,弹性体分子量与总分子之间的比例 表示为大于0.8,M≤W的重均分子量的重均分子量的重均分子量;以及/ (XCS)是在+ 23℃下可溶于二甲苯的丙烯共聚物的重均分子量,丙烯共聚物进一步含有5至35重量%可溶的部分 在二甲苯中+ 23℃(XCS含量),B)2〜30重量%的矿物填料,C)0.0001〜1.0重量% - 促进丙烯共聚物的β-改性的β-成核剂的%,所述组合物通过差示扫描量热法(DSC)测定的具有大于50%的β-改性的含量和-20℃下的冲击强度, 比丙烯共聚物(A)的冲击强度高至少50%。