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    • 1. 发明授权
    • Polyolefinic compositions
    • 聚烯烃组合物
    • US08722803B2
    • 2014-05-13
    • US13386389
    • 2010-07-20
    • Paola MassariMarco CiarafoniGisella BiondiniRoberto Pantaleoni
    • Paola MassariMarco CiarafoniGisella BiondiniRoberto Pantaleoni
    • C08F8/00C08L23/00C08L23/04C08L23/10
    • C08L23/12C08F297/083C08L23/06C08L23/16C08L2205/03C08L2666/02
    • A polymer composition comprising (per cent by weight): a) 70-84% of a crystalline propylene polymer having an amount of isotactic pentads (mmmm), measured by 13C-MNR on the fraction insoluble in xylene at 25° C., higher than 97.5 molar %; b) 8-15% of an elastomeric copolymer of ethylene and propylene, the copolymer having an amount of recurring units deriving from ethylene ranging from 25 to 50 wt % and being partially soluble in xylene at ambient temperature; the polymer fraction soluble in xylene at ambient temperature having an intrinsic viscosity value ranging from 2.5 to 3.5 dl/g; and c) 8-15% of ethylene homopolymer having an intrinsic viscosity value ranging from 1.5 to 4 dl/g; said composition having a value of melt flow rate ranging from 55 to 90 g/10 min, and the amount of hexane extractables lower than 3.5 wt %.
    • 包含(重量%)的聚合物组合物:a)通过13C-MNR在25℃下不溶于二甲苯的级分测量的具有全同立构五单元组(Mwmm)的结晶丙烯聚合物的70-84%,更高 大于97.5摩尔% b)8-15%的乙烯和丙烯的弹性体共聚物,所述共聚物具有一定量的源自乙烯的重复单元,范围为25至50重量%,并且在环境温度下部分可溶于二甲苯; 在环境温度下可溶于二甲苯的聚合物级分的特性粘度值为2.5至3.5dl / g; 和c)8-15%的特性粘度值为1.5-4dl / g的乙烯均聚物; 所述组合物的熔体流动速率范围为55至90g / 10min,并且己烷可提取物的量低于3.5wt%。
    • 3. 发明授权
    • Polyolefinic compositions
    • 聚烯烃组合物
    • US08575272B2
    • 2013-11-05
    • US13386381
    • 2010-07-20
    • Marco CiarafoniPaola MassariGisella BiondiniRoberto Pantaleoni
    • Marco CiarafoniPaola MassariGisella BiondiniRoberto Pantaleoni
    • C08L23/12C08F297/08C08J5/18
    • C08J5/18C08F297/083C08J2323/12C08L23/06C08L23/12C08L23/16C08L2205/03C08L2666/02
    • A polymer composition comprising (percent by weight):a) 57%-74%, of a crystalline propylene polymer having an amount of isotactic pentads (mmmm), measured by 13C-MNR on the fraction insoluble in xylene at 25° C., higher than 97.5 molar % and a polydispersity index ranging from 5 to 10;b) 8 to 15%, of an elastomeric copolymer of ethylene and propylene, the copolymer having an amount of recurring units deriving from ethylene ranging from 30 to 50%, and being partially soluble in xylene at ambient temperature; the polymer fraction soluble in xylene at ambient temperature having an intrinsic viscosity value ranging from 2.5 to 3.5 dl/g; and c) 18-28%, of ethylene homopolymer having an intrinsic viscosity value ranging from 1.5 to 4 dl/g; said composition having a value of melt flow rate ranging from 35 to 60 g/10 min, and the amount of hexane extractables lower than 4.0 wt %.
    • 包含(重量%)的聚合物组合物:a)57%-74%的具有全同立构五单元组的结晶丙烯聚合物(mmmm),通过13C-MNR测量在25℃下不溶于二甲苯的级分, 高于97.5摩尔%,多分散指数为5〜10; b)8至15%的乙烯和丙烯的弹性体共聚物,所述共聚物具有一定量的衍生自乙烯的重复单元,范围为30至50%,并且在环境温度下部分溶于二甲苯; 在环境温度下可溶于二甲苯的聚合物级分的特性粘度值为2.5至3.5dl / g; 和c)18-28%的特性粘度值为1.5-4dl / g的乙烯均聚物; 所述组合物的熔体流动速率范围为35至60g / 10min,并且己烷可提取物的量低于4.0wt%。
    • 4. 发明申请
    • POLYOLEFINIC COMPOSITIONS
    • 聚合物组合物
    • US20120172533A1
    • 2012-07-05
    • US13386381
    • 2010-07-20
    • Marco CiarafoniPaola MassariGisella BiondiniRoberto Pantaleoni
    • Marco CiarafoniPaola MassariGisella BiondiniRoberto Pantaleoni
    • C08L23/16
    • C08J5/18C08F297/083C08J2323/12C08L23/06C08L23/12C08L23/16C08L2205/03C08L2666/02
    • A polymer composition comprising (per cent by weight):a) 57%-74%, of a crystalline propylene polymer having an amount of isotactic pentads (mmmm), measured by 13C-MNR on the fraction insoluble in xylene at 25° C., higher than 97.5 molar % and a polydispersity index ranging from 5 to 10;b) 8 to 15%, of an elastomeric copolymer of ethylene and propylene, the copolymer having an amount of recurring units deriving from ethylene ranging from 30 to 50%, and being partially soluble in xylene at ambient temperature; the polymer fraction soluble in xylene at ambient temperature having an intrinsic viscosity value ranging from 2.5 to 3.5 dl/g; andc) 18-28%, of ethylene homopolymer having an intrinsic viscosity value ranging from 1.5 to 4 dl/g;said composition having a value of melt flow rate ranging from 35 to 60 g/10 min, and the amount of hexane extractables lower than 4.0 wt %.
    • 包含(重量%)的聚合物组合物:a)57%-74%的具有全同立构五单元组的结晶丙烯聚合物(mmmm),通过13C-MNR测量在25℃下不溶于二甲苯的级分。 ,高于97.5摩尔%,多分散指数为5〜10; b)8至15%的乙烯和丙烯的弹性体共聚物,所述共聚物具有一定量的衍生自乙烯的重复单元,范围为30至50%,并且在环境温度下部分溶于二甲苯; 在环境温度下可溶于二甲苯的聚合物级分的特性粘度值为2.5至3.5dl / g; 和c)18-28%的特性粘度值为1.5-4dl / g的乙烯均聚物; 所述组合物的熔体流动速率范围为35至60g / 10min,并且己烷可提取物的量低于4.0wt%。
    • 5. 发明申请
    • POLYOLEFINIC COMPOSITIONS
    • 聚合物组合物
    • US20120165472A1
    • 2012-06-28
    • US13386389
    • 2010-07-20
    • Paola MassariMarco CiarafoniGisella BiondiniRoberto Pantaleoni
    • Paola MassariMarco CiarafoniGisella BiondiniRoberto Pantaleoni
    • C08L23/16
    • C08L23/12C08F297/083C08L23/06C08L23/16C08L2205/03C08L2666/02
    • A polymer composition comprising (per cent by weight): a) 70-84% of a crystalline propylene polymer having an amount of isotactic pentads (mmmm), measured by 13C-MNR on the fraction insoluble in xylene at 25° C., higher than 97.5 molar %; b) 8-15% of an elastomeric copolymer of ethylene and propylene, the copolymer having an amount of recurring units deriving from ethylene ranging from 25 to 50 wt % and being partially soluble in xylene at ambient temperature; the polymer fraction soluble in xylene at ambient temperature having an intrinsic viscosity value ranging from 2.5 to 3.5 dl/g; and c) 8-15% of ethylene homopolymer having an intrinsic viscosity value ranging from 1.5 to 4 dl/g; said composition having a value of melt flow rate ranging from 55 to 90 g/10 min, and the amount of hexane extractables lower than 3.5 wt %.
    • 包含(重量%)的聚合物组合物:a)通过13C-MNR在25℃下不溶于二甲苯的级分测量的具有全同立构五单元组(Mwmm)的结晶丙烯聚合物的70-84%,更高 大于97.5摩尔% b)8-15%的乙烯和丙烯的弹性体共聚物,该共聚物具有一定量的衍生自乙烯的重复单元,范围为25至50重量%,并且在环境温度下部分可溶于二甲苯; 在环境温度下可溶于二甲苯的聚合物级分的特性粘度值为2.5至3.5dl / g; 和c)8-15%的特性粘度值为1.5-4dl / g的乙烯均聚物; 所述组合物的熔体流动速率范围为55至90g / 10min,并且己烷可提取物的量低于3.5wt%。
    • 10. 发明授权
    • Polyolefin compositions
    • 聚烯烃组合物
    • US08569418B2
    • 2013-10-29
    • US13378952
    • 2010-06-23
    • Monica GalvanMarco CiarafoniRoberto PantaleoniAngelo Ferraro
    • Monica GalvanMarco CiarafoniRoberto PantaleoniAngelo Ferraro
    • C08L23/04C08L23/10C08F8/00
    • C08J5/18C08J2323/10C08L23/0807C08L23/0815C08L23/10C08L2666/06
    • Polyolefin compositions particularly suitable for cast film, exhibiting heat sealability, retortability, low haze and stiffness, comprising: 1) 75-85% of a propylene homopolymer or copolymer of propylene with ethylene and/or one or more C4-C10 α-olefin(s), the homopolymer or copolymer having melting temperature equal to or higher than 150° C., 2) 15-25% of a copolymer of ethylene with one or more C4-C10 α-olefin(s) containing from 20 to 30% of said C4-C10 α-olefin(s); said composition having MFR (at 230° C., 2.16 kg) of from 5-10 g/10 min, the total content of ethylene of from 10 to 20%, the total content of C4-C10 α-olefin(s) of from 2 to 8%, the ratio XStot/XSm of the total fraction soluble in Xylene at room temperature to the fraction soluble in Xylene at room temperature of the matrix component (1) of from 5 to 15, and the value of the intrinsic viscosity of the total fraction soluble in Xylene at room temperature (XSIVtot) of 1.5 dl/g or less.
    • 特别适用于流延膜的聚烯烃组合物,具有热封性,蒸煮性,低雾度和刚度,包括:1)75-85%的丙烯均聚物或丙烯与乙烯和/或一种或多种C 4 -C 10α-烯烃的共聚物 s),熔融温度等于或高于150℃的均聚物或共聚物,2)乙烯与一种或多种含有20-30%(重量)的C 4 -C 10α-烯烃的共聚物的15-25% 的所述C 4 -C 10α-烯烃; 所述组合物的MFR(在230℃,2.16kg)为5-10g / 10min,乙烯的总含量为10至20%,C 4 -C 10α-烯烃的总含量为 2〜8%,室温下可溶于二甲苯的总馏分的比例XStot / XSm与基体成分(1)的室温下可溶于二甲苯的馏分的比例为5〜15,特性粘度 在室温下可溶于二甲苯的总馏分(XSIVtot)为1.5dl / g以下。