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    • 2. 发明申请
    • HETEROPHASIC PROPYLENE COPOLYMERS WITH IMPROVED STIFFNESS/IMPACT/FLOWABILITY BALANCE
    • 具有改善的强度/冲击/流动性平衡的异构丙烯共聚物
    • WO2012062734A1
    • 2012-05-18
    • PCT/EP2011/069611
    • 2011-11-08
    • BOREALIS AGLESKINEN, PauliDOSHEV, PetarKOCK, Cornelia
    • LESKINEN, PauliDOSHEV, PetarKOCK, Cornelia
    • C08L23/12C08F10/00C08F297/08
    • C08L23/14C08F110/06C08F210/06C08L23/12C08L2205/02C08L2205/025C08L2205/035C08L2207/02C08L2308/00C08L2314/02C08F10/06C08F2/001C08F2/14C08L23/16C08F4/6492C08F210/16C08F2500/12C08F2500/17C08F2500/04
    • Heterophasic propylene copolymer (HECO) comprising: (a) a polypropylene matrix comprising: (a 1 ) a first propylene homopolymer fraction (PPH1) with a melt flow rate MFR 2 (230°C) measured according to ISO 1133 in the range of > 200 to 500 g/10min, (a 2-1 ) a second propylene homopolymer fraction (PPH2) with a melt flow rate MFR 2 (230°C) measured according to ISO 1133 in the range of > 30 to ≤ 200 g/10min or, (a 2-2 ) a second propylene homopolymer fraction (PPH2) with a melt flow rate MFR 2 (230°C) measured according to ISO 1133 in the range of > 5 to ≤ 30 g/10min and, (a 3-1 ) a third propylene homopolymer fraction (PPH3) with a melt flow rate MFR 2 (230°C) measured according to ISO 1133 in the range of 0.03 to ≤ 5 g/10min, if the second propylene homopolymer fraction is fraction (a 2-1 ) or, (a 3-2 ) a third propylene homopolymer fraction (PPH3) with a melt flow rate MFR 2 (230°C) measured according to ISO 1133 in the range of > 30 to ≤ 200 g/10min, if the second propylene homopolymer fraction is fraction (a 2-2 ), wherein the polypropylene matrix has a melt flow rate MFR 2 (230°C) measured according to ISO 1133 in the range of 30 to 500 g/10min and a xylene cold soluble fraction determined at 23°C according to ISO 6427 in the range of 0.5 to 2 (230°C) measured according to ISO 1133 in the range of 25 to 200 g/10min and, (ii) the amorphous phase (AM) of the cold soluble fraction (XCS) of the heterophasic propylene copolymer has an intrinsic viscosity measured according to ISO 1628-1 (at 135°C in tetraline) of ≥ 2.0 dl/g, and a process for its preparation.
    • 异相丙烯共聚物(HECO),其包含:(a)聚丙烯基质,其包含:(a1)根据ISO 1133测量的熔体流动速率MFR 2(230℃)的第一丙烯均聚物部分(PPH1)的范围> 200至 500g / 10min,(a2-1)根据ISO 1133测量的熔体流动速率MFR 2(230℃)在> 30至= 200g / 10min范围内的第二丙烯均聚物部分(PPH2),或(a2 -2)根据ISO 1133在> 5至= 30g / 10min范围内测量的熔体流动速率MFR 2(230℃)的第二丙烯均聚物部分(PPH2),和(a3-1)第三丙烯均聚物 如果第二丙烯均聚物馏分为馏分(a2-1)或(a3-),则根据ISO 1133测量的馏分(PPH 3)的熔体流动速率MFR 2(230℃)为0.03至= 5g / 2)如果第二丙烯均聚物部分(如果第二丙烯均聚物部分)具有根据ISO 1133测量的熔体流动速率MFR 2(230℃)的范围> 30至= 200g / 10min的第三丙烯均聚物部分(PPH 3) 是分数(a2-2),其中聚丙烯基质的熔体流动速率MFR 2(230℃)根据ISO 1133测量的范围为30至500g / 10min,二甲苯冷可溶物级分在23℃下测定,根据 到ISO 6427,范围为0.5至<2.0wt%,(b)分散在所述基质中的弹性体丙烯共聚物,其中(i)所述多相丙烯共聚物具有根据ISO 1133测量的熔体流动速率MFR 2(230℃) 在25至200g / 10min的范围内,和(ii)多相丙烯共聚物的冷可溶级分(XCS)的无定形相(AM)具有根据ISO 1628-1测量的特性粘度(在135℃ 在四环素中)= 2.0dl / g,及其制备方法。
    • 8. 发明申请
    • HETEROPHASIC POLYOLEFIN COMPOSITION HAVING IMPROVED FLOWABILITY AND IMPACT STRENGTH
    • 具有改善流动性和冲击强度的异种聚烯烃组合物
    • WO2012116718A1
    • 2012-09-07
    • PCT/EP2011/005656
    • 2011-11-10
    • BOREALIS AGKOCK, CorneliaGREIN, ChristellePOTTER, Elisabeth
    • KOCK, CorneliaGREIN, ChristellePOTTER, Elisabeth
    • C08L23/10
    • C08L23/10C08L23/0815C08L23/16C08L2666/06
    • The invention relates to a heterophasic polyolefin composition having improved flowability and impact strength but also an excellent impact/stiffness balance and a low amount of a hexane extractable fraction, to a process for the preparation of such a heterophasic polyolefin composition, to articles made therefrom and uses of the heterophasic polyolefin composition. The heterophasic polyolefin composition, comprises a matrix comprising a heterophasic propylene base polymer, comprising a matrix comprising a propylene homo- and/or copolymer, an elastomeric ethylene/ alpha-olefin phase dispersed in the matrix, and an ethylene polymer component having an MFR (2.16 kg/ 190 °C) of 15 to 300 g/10 min. and a density of 0.915 g/cm3 or more, wherein the heterophasic polyolefin composition comprising monomer units derived from an oligomeric diene compound, and having a hexane extractable fraction in an amount of not more than 6 wt.%, measured from extruded cast films of 100μm thickness at 50 °C and 2 h extraction time and an MFR (2.16 kg, 230 °C, ISO 1133) of 8 to 80 g/10 min. The heterophasic propylene polymer composition may be used for extrusion, injection moulding, blow moulding, injection stretch blow moulding, cast film extrusion or thermoforming.
    • 本发明涉及具有改进的流动性和冲击强度的异相聚烯烃组合物,而且具有优异的冲击/刚度平衡和少量的己烷可萃取部分,用于制备这种多相聚烯烃组合物的方法制备的制品和 多相聚烯烃组合物的用途。 多相聚烯烃组合物包含包含多相丙烯基聚合物的基质,其包含基体,其包含丙烯均聚物和/或共聚物,分散在基质中的弹性体乙烯/α-烯烃相和具有MFR( 2.16kg / 190℃)为15-300g / 10min。 并且密度为0.915g / cm 3以上,其中所述多相聚烯烃组合物包含衍生自低聚二烯化合物的单体单元,并且具有不超过6重量%的己烷可萃取组分,其量由 在50℃下的100μm厚度和2小时提取时间和8至80g / 10min的MFR(2.16kg,230℃,ISO 1133)。 异相丙烯聚合物组合物可用于挤出,注射成型,吹塑,注射拉伸吹塑,流延膜挤出或热成型。