Propylene polymer compositions
    71.
    发明授权
    Propylene polymer compositions 有权
    丙烯聚合物组合物

    公开(公告)号:US08569419B2

    公开(公告)日:2013-10-29

    申请号:US13496592

    申请日:2010-08-25

    IPC分类号: C08F8/00 C08L33/04 C08L33/10

    摘要: A propylene composition comprising (percent by weight): A) 70%-95%, of a propylene homopolymer having a Polydispersity Index (P.I.) value of from 4.6 to 10, a fraction insoluble in xylene at 25° C., higher than 90%, and MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230° C. and 2.16 kg load) from 60 to 120 g/10 min; B) 5%-30%, of a copolymer of propylene containing from 34.5% to 30.0% extremes included of ethylene derived units; the composition having an intrinsic viscosity of the fraction soluble in xylene at 25° C. comprised between 3 and 5 dl/g.

    摘要翻译: 包含(重量%)的丙烯组合物:A)70%-95%的多分散指数(PI)值为4.6至10的丙烯均聚物,在25℃下不溶于二甲苯的级分,高于90 %和MFR L(根据ISO 1133的熔体流动速率,条件L,即230℃和2.16kg负荷)为60至120g / 10min; B)5%-30%的丙烯共聚物,其含有34.5%至30.0%极限的乙烯衍生单元; 该组合物的特性粘度在25℃下溶于二甲苯的馏分的特性粘度为3至5dl / g。

    PERMEABLE POLYMER FILM
    72.
    发明申请
    PERMEABLE POLYMER FILM 审中-公开
    透明聚合物薄膜

    公开(公告)号:US20130252006A1

    公开(公告)日:2013-09-26

    申请号:US13991754

    申请日:2011-12-08

    IPC分类号: B65D81/28

    摘要: Films especially suitable for the packaging of fresh foodstuff, like salad and vegetables, due to their valuable balance of high permeability to oxygen and optimal permeability to water vapour, comprising at least one layer A) and at least one layer B), wherein the layer A) comprises a copolymer of propylene with hexene-1 containing from 3 to 9% by weight of recurring units derived from hexene-1, said copolymer having a melting temperature from 125° C. to 143° C., and the layer B) comprises a polyolefin composition containing (all percentages being by weight): a) 10-40% of one or more propylene homopolymers or copolymers containing over 85% of propylene and having a fraction insoluble in xylene at room temperature greater than 80%; and b) 60-90 of one or more copolymers of ethylene with α-olefin(s), containing ethylene in a quantity from 20 to 80%, and having solubility in xylene at room temperature greater than 70%.

    摘要翻译: 由于其对氧的高渗透性和对水蒸气的最佳渗透性的有价​​值的平衡,包括至少一层A)和至少一层B),特别适用于新鲜食品(如沙拉和蔬菜)的包装的薄膜,其中层 A)包含丙烯与己烯-1的共聚物,其含有3至9重量%的衍生自己烯-1的重复单元,所述共聚物的熔融温度为125℃至143℃,而B层) 包含含有(所有百分比均为重量百分比)的聚烯烃组合物:a)10-40%的一种或多种丙烯均聚物或共聚物,其含有超过85%的丙烯,并且在室温下不溶于二甲苯的级分大于80%; 和b)60-90的乙烯与α-烯烃的一种或多种共聚物,其含有20-80%的乙烯,并且在室温下在二甲苯中的溶解度大于70%。

    POLYMER FILAMENT
    73.
    发明申请
    POLYMER FILAMENT 有权
    聚合物纤维

    公开(公告)号:US20130217831A1

    公开(公告)日:2013-08-22

    申请号:US13878101

    申请日:2011-10-11

    IPC分类号: C08L47/00

    摘要: A polymer filament comprising a polyolefin composition which comprises (percentages by weight): A) 5%-95% of a propylene homopolymer; and B) 5-95% of a butene-1 homopolymer or copolymer having a flexural modulus of 80 MPa or higher.

    摘要翻译: 包含聚烯烃组合物的聚合物长丝,其包含(重量百分数):A)丙烯均聚物的5%-95% 和B)5-95%的弯曲弹性模量为80MPa以上的丁烯-1均聚物或共聚物。

    AUTOMOTIVE INTERIOR ELEMENT
    74.
    发明申请
    AUTOMOTIVE INTERIOR ELEMENT 有权
    汽车内部元件

    公开(公告)号:US20130211011A1

    公开(公告)日:2013-08-15

    申请号:US13877562

    申请日:2011-10-12

    IPC分类号: C08L23/12 C08L23/14

    摘要: Automotive interior element comprising a polypropylene composition comprising (percent by weight): A) from 60% to 90% of a propylene homopolymer having: i) a polydispersity Index (P.I.) value of from 3.5 to 10.0; ii) a fraction insoluble in xylene at 25° C., higher than 90%; and iii) a MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230° C. and 2.16 kg load) from 50 to 200 g/10 min; B) from 10% to 40%; of a copolymer of propylene with from 30% to 60% of ethylene derived units; the composition having an intrinsic viscosity of the fraction soluble in xylene at 25° C. comprised between 2.5 and 4.0 dl/g; a MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230° C. and 2.16 kg load) from 15 to 100 g/10 min and all the three values of carbon emission measured according to VDA 227 (C-emission) are lower than 30.0 μgC/g; wherein the values of carbon emission are measured in the ex reactor propylene composition.

    摘要翻译: 包含(重量%)的聚丙烯组合物的汽车内部元件:A)60%至90%的丙烯均聚物,其具有:i)多分散指数(P.I.)值为3.5至10.0; ii)25℃不溶于二甲苯的馏分,高于90%; 和iii)50至200g / 10min的MFR L(根据ISO 1133的熔体流动速率,条件L,即230℃和2.16kg负荷); B)从10%到40%; 的丙烯与30%至60%的乙烯衍生单元的共聚物; 所述组合物具有在25℃下可溶于二甲苯的级分的特性粘度,为2.5至4.0dl / g; 根据VDA 227(C-emission)测量的MFR L(根据ISO 1133的熔体流动速率,条件L,即230℃和2.16kg负荷)为15至100g / 10分钟,并且所有三个碳排放值 )低于30.0ug / g; 其中在前反应器丙烯组合物中测量碳排放值。

    POLYOLEFIN COMPOSITIONS HAVING IMPROVED SEALABILITY
    76.
    发明申请
    POLYOLEFIN COMPOSITIONS HAVING IMPROVED SEALABILITY 审中-公开
    具有改进的密封性的聚烯烃组合物

    公开(公告)号:US20130165591A1

    公开(公告)日:2013-06-27

    申请号:US13820418

    申请日:2011-08-31

    IPC分类号: C08L23/14 C08L23/20

    摘要: Polyolefin compositions comprising, all percentages being by weight: A) from 70 to 97% of a copolymer of propylene with hexene-1 containing from 3 to 9% by weight of recurring units derived from hexene-1, said copolymer having a melting temperature from 125° C. to 143° C.; B) from 3 to 30% of a butene-1 homopolymer or copolymer.

    摘要翻译: 聚烯烃组合物,其所有百分比均为重量百分比:A)70至97%的丙烯与己烯-1的共聚物含有3至9重量%的衍生自己烯-1的重复单元,所述共聚物的熔融温度为 125℃至143℃。 B)3至30%的丁烯-1均聚物或共聚物。

    Steaming of a polyolefin
    78.
    发明授权
    Steaming of a polyolefin 有权
    聚烯烃的蒸汽

    公开(公告)号:US08344099B2

    公开(公告)日:2013-01-01

    申请号:US13142365

    申请日:2009-12-23

    IPC分类号: C08C2/06 B01J19/18

    CPC分类号: C08F6/005 C08F6/02 C08L23/00

    摘要: A method for treating polymer particles with steam in a steaming vessel downstream a polymerization process, the method comprising contacting polymer particles with a counter-current flow of steam, wherein the flow rate of steam entering said steaming vessel is continuously maintained proportional to the production rate of said polymer in said polymerization process and to the gradient between the temperature (Tout) of the polymer exiting said steaming vessel and the temperature (Tin) of the polymer entering said steaming vessel.

    摘要翻译: 一种在聚合过程下游的蒸汽容器中用蒸汽处理聚合物颗粒的方法,所述方法包括使聚合物颗粒与逆流蒸汽接触,其中进入所述蒸汽容器的蒸汽的流速与生产率成正比 在所述聚合方法中的所述聚合物和离开所述蒸汽容器的聚合物的温度(Tout)与进入所述蒸汽容器的聚合物的温度(Tin)之间的梯度。