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    • 3. 发明申请
    • IMPACT RESISTANT POLYOLEFIN COMPOSITIONS
    • 耐冲击聚烯烃组合物
    • WO2005113672A1
    • 2005-12-01
    • PCT/EP2005/004957
    • 2005-05-04
    • BASELL POLIOLEFINE ITALIA S.R.L.MASSARI, PaolaNEWS, JeanCIARAFONI, Marco
    • MASSARI, PaolaNEWS, JeanCIARAFONI, Marco
    • C08L23/10
    • C08L23/12C08L23/06C08L23/0807C08L23/10C08L23/14C08L23/16C08L2205/02C08L2314/02C08L2666/06
    • A heterophasic polyolefin composition comprising (percent by weight): (A) 50-0% of a crystalline propylene polymer having a polydispersity index value from 5.2 to 10 and a content of isotactic pentads (mmmm) higher than 97.5 molar%; said polymer containing at least 95% of recurring units deriving from propylene; (B) 5-20% of a first elastomeric copolymer of ethylene with at least a C 3 -C 8 α-olefin comonomer, said copolymer containing from 25 to less than 40% of ethylene, and being soluble in xylene at room temperature in an amount from higher 85 to 95 wt% the intrinsic viscosity [η] of the xylene soluble fraction ranging from 2.5 to 4.5 dL/g; and (C) 10-45% of a second elastomeric copolymer of ethylene with at least a C 3 -C 8 α-olefin comonomer, said copolymer containing from 50 up to 75% of ethylene, and being soluble in xylene at room temperature in an amount from 50 to 85 wt%, the intrinsic viscosity [η] of the xylene soluble fraction ranging from 1.8 to 4.0 dL/g; wherein the sum of amounts of copolymer (B) and copolymer (C) ranges from 20 to 50% based on the total amount of components (A) to (C), the total amount of ethylene based on the total amount of components (A) to (C) is up to 23% by weight and the ratio between the ethylene content of the fraction insoluble in xylene at room temperature (C 2 xif) multiplied by the weight percentage of the fraction insoluble in xylene at room temperature (%XIF) and the ethylene content of the fraction soluble in xylene at room temperature (C 2 xsf) multiplied by the weight percentage of fraction soluble in xylene at room temperature (%SXF), i.e. (C 2 xif %XIF)/(C 2 xsf •%SXF), satisfies the following relation (I), wherein x is the total amount of ethylene.
    • 包含(重量%)的多相聚烯烃组合物:(A)50-0%的多分散指数值为5.2〜10的结晶丙烯聚合物和高于97.5摩尔%的全同立构五单元组(mmmm)的含量; 所述聚合物含有至少95%来自丙烯的重复单元; (B)乙烯与至少一种C 3 -C 8α-烯烃共聚单体的第一弹性体共聚物的5-20%,所述共聚物含有25至小于40%的乙烯,并且在室温下可溶于二甲苯中 从85至95重量%,二甲苯可溶部分的特性粘度η为2.5至4.5dL / g; 和(C)10-45%的乙烯与至少一种C 3 -C 8α-烯烃共聚单体的第二弹性体共聚物,所述共聚物含有50至75%的乙烯,并且在室温下以可溶于二甲苯的量 50至85重量%,二甲苯可溶部分的特性粘度η为1.8至4.0dL / g; 其中共聚物(B)和共聚物(C)的量的总量相对于组分(A)至(C)的总量为20至50%,基于组分(A)的总量的乙烯的总量 )至(C)至(C)为23重量%,室温下不溶于二甲苯的馏分的乙烯含量(C2×10)乘以在室温下不溶于二甲苯的馏分的重量百分比(%XIF)和 在室温下可溶于二甲苯的馏分(C2xsf)与室温下可溶于二甲苯的馏分的重量百分比(%SXF)即(C2xif%XIF)/(C2xsf。%SXF)的乙烯含量满足下列条件: 关系式(I),其中x是乙烯的总量。
    • 7. 发明申请
    • IMPACT RESISTANT POLYOLEFIN COMPOSITIONS
    • 耐冲击聚烯烃组合物
    • WO2004087807A1
    • 2004-10-14
    • PCT/EP2004/003307
    • 2004-03-29
    • BASELL POLIOLEFINE ITALIA S.P.A.NEWS, JeanMASSARI, PaolaZIMMERMANN, Hans-Jürgen
    • NEWS, JeanMASSARI, PaolaZIMMERMANN, Hans-Jürgen
    • C08L23/12
    • C08F10/00C08F210/16C08L23/0815C08L23/10C08L23/16Y10S526/905C08F4/651C08L2666/06C08F210/06C08F2500/12C08F2500/17C08F2500/04
    • Olefin polymer composition comprising (by weight, unless otherwise specified): A) 60 - 95% of a propylene homopolymer or copoloymer having a Polydispersity Index (P.I.) value of from 4.6 to 10 and a content of isotactic pentads (mmmm), measured by 13C NMR on the fraction insoluble in xylene at 25 °C, higher than 98 molar; B) 5 - 40% of a copolymer of ethylene containing from 40% to 70% of propylene or C 4 -C 10 α-olefins) or of combinations thereof, and optionally minor proportions of a diene; said composition having a Temperature Rising Elution Fractionation (TREF) profile, obtained by fractionation in xylene and collection of fractions at temperatures of 40 °C, 80°C and 90 °C, in which the ethylene content Y of the fraction collected at 90 °C satisfies the following relation (I): Y≤ -0.8 + 0.035X + 0.0091X 2 wherein X is the ethylene content of the fraction collected at 40 °C and both X and Y are expressed in percent by weight, and a value of intrinsic viscosity [η] of the fraction soluble in xylene at 25 °C of from 1.8 to 4.2 dl/g.
    • 烯烃聚合物组合物包含(按重量计,除非另有说明):A)60-95%的多分散指数(PI)值为4.6至10的丙烯均聚物或共聚合物和全同立构五单元组的含量(mmmm),通过 对25℃不溶于二甲苯的级分,高于98摩尔的13C NMR; B)5-40%的含有40%至70%的丙烯或C 4 -C 10α-烯烃的乙烯的共聚物或其组合,以及任选的较小比例的二烯; 所述组合物具有通过在二甲苯中分馏并在40℃,80℃和90℃的温度下收集级分获得的升温洗脱分馏(TREF)分布,其中在90°收集的级分的乙烯含量Y C满足以下关系式(I):Y <= -0.8 + 0.035X + 0.0091X2其中X是在40℃下收集的馏分的乙烯含量,X和Y都以重量%表示, 在25℃下可溶于二甲苯的馏分的特性粘度η为1.8至4.2dl / g。