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    • 91. 发明申请
    • PROPYLENE-BASED TERPOLYMERS COMPOSITION FOR PIPES
    • 用于管道的丙烯基聚合物组合物
    • WO2013083617A1
    • 2013-06-13
    • PCT/EP2012/074477
    • 2012-12-05
    • BASELL POLIOLEFINE ITALIA S.R.L.
    • GALVAN, MonicaPELLEGATTI, GiampaoloTERWYEN, HerbertCAVALIERI, Claudio
    • C08L23/14B32B1/08F16L9/12B32B27/32
    • C08L23/18B32B1/08B32B27/32B32B2597/00C08L23/14C08L23/142C08L2203/18C08L2205/025C08L2207/02F16L9/127Y10T428/139Y10T428/1393C08L23/12
    • A polyolefin composition comprising: A) from 85.0 wt% to 99.5 wt%; A terpolymer containing propylene, ethylene and 1- hexene wherein: (i) the content of 1-hexene derived units ranges from 1.0 wt% to 5.0%; (ii) the content of ethylene derived units is comprised between 0.5 wt% and 10.0 wt% (iii) the melting temperature ranges from 130° C to 145° C; B) from 0.5 wt% to 10.0 wt%; of a propylene, ethylene copolymer composition comprising: b1) from 12 wt% to 52 wt%; of a propylene homopolymer or a propylene/ethylene copolymer having a content of ethylene derived units ranging from 0.1 wt% to 4.5 wt%; and having a xylene soluble content measured at 25°C lower than 10 wt%; b2) from 48 wt% to 88 wt% of a propylene ethylene copolymer having a content of ethylene derived units ranging from 15.0 wt% to wt% to 42.0 wt%; wherein the resulting polyolefin composition has an melt flow rate (230°C/5 kg..ISO 133) ranging from 0.2 g/10min to 4.0 g/10min; the sum A+B being 100 and the sum b1+b2 being 100.
    • 一种聚烯烃组合物,其包含:A)85.0重量%至99.5重量%; 含有丙烯,乙烯和1-己烯的三元共聚物,其中:(i)1-己烯衍生单元的含量为1.0wt%至5.0%; (ii)乙烯衍生单元的含量为0.5重量%至10.0重量%之间(iii)熔融温度为130℃至145℃; B)为0.5重量%〜10.0重量% 的丙烯,乙烯共聚物组合物,其包含:b1)12重量%至52重量%; 的丙烯均聚物或丙烯/乙烯共聚物,其乙烯衍生单元的含量范围为0.1重量%至4.5重量%; 并且在25℃下测量的二甲苯可溶物含量低于10重量%; b2)为48重量%至88重量%的乙烯衍生单元含量为15.0重量%至42重量%的丙烯乙烯共聚物; 其中所得的聚烯烃组合物具有0.2g / 10min至4.0g / 10min范围内的熔体流动速率(230℃/ 5kg.ISO 133) 总和A + B为100,总和b1 + b2为100。