利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

55 条记录 (耗时 0.02 秒)

    POLYOLEFIN COMPOSITIONS
    43.
    发明申请
    POLYOLEFIN COMPOSITIONS 有权
    聚烯烃组合物

    公开(公告)号：US20100056719A1

    公开(公告)日：2010-03-04

    申请号：US12312267

    申请日：2007-10-10

    申请人： Roberta Marzolla ,  Marco Ciarafoni ,  Michele Grazzi ,  Paola Massari ,  Jean News

    发明人： Roberta Marzolla ,  Marco Ciarafoni ,  Michele Grazzi ,  Paola Massari ,  Jean News

    IPC分类号： C08L23/06 ,  C08L23/10

    CPC分类号： C08J5/18 ,  C08F210/06 ,  C08J2323/10 ,  C08L23/08 ,  C08L23/10 ,  C08L2666/06 ,  C08F2/001 ,  C08F4/6492 ,  C08F110/06 ,  C08F2500/12 ,  C08F210/16 ,  C08F210/08 ,  C08F2500/17

    摘要： Polyolefin compositions, comprising (percent by weight): 1) 55-80% of a homopolymer or copolymer of propylene, said copolymer containing up to 15% of ethylene and/or C4-C10 α-olefin(s). 2) 20-45% of a copolymer of ethylene with one or more C4-C10 α-olefin(s) containing from 10 to 40% of said C4-C10 α-olefin(s); said compositions having values of MFR (230° C., 2.16 kg) up to 20 g/10 min, a total content of ethylene of 20% or more, a total content of C4-C10 α-olefin(s) of 4.5% or more, a ratio of the total content of ethylene to the total content of C4-C10 α-olefin(s) of 2.3 or more, a total fraction soluble in xylene at room temperature of 18 wt % or higher and flexural modulus, referred to the composition as a reactor grade, of more than 700 MPa.

    摘要翻译： 包含（重量％）的聚烯烃组合物：1）55-80％的丙烯均聚物或共聚物，所述共聚物含有至多15％的乙烯和/或C 4 -C 10α-烯烃。 2）乙烯与一种或多种含有10-40％所述C 4 -C 10α-烯烃的C 4 -C 10α-烯烃的共聚物的20-45％; 所述组合物的MFR（230℃，2.16kg）至多20g / 10min，乙烯的总含量为20％以上，C4-C10α-烯烃的总含量为4.5％ 以上，乙烯的总含量相对于C 4〜C 10α-烯烃的总量的比例为2.3以上，室温下可溶于二甲苯的总馏分为18重量％以上，弯曲弹性模量为 作为反应器级的组合物，超过700MPa。

    Polyolefinic Compositions Having Good Whitening Resistance
    44.
    发明申请
    Polyolefinic Compositions Having Good Whitening Resistance 有权
    具有良好美白抗性的聚烯烃组合物

    公开(公告)号：US20080167428A1

    公开(公告)日：2008-07-10

    申请号：US11793843

    申请日：2005-11-28

    申请人： Paola Massari ,  Marco Ciarafoni ,  Jean News

    发明人： Paola Massari ,  Marco Ciarafoni ,  Jean News

    IPC分类号： C08L23/14 ,  C08L23/10

    CPC分类号： C08L23/10 ,  C08L23/04 ,  C08L23/06 ,  C08L23/08 ,  C08L23/12 ,  C08L23/142 ,  C08L23/16 ,  C08L2205/03 ,  C08L2666/02 ,  C08F210/06 ,  C08F2/001 ,  C08F4/6492 ,  C08F4/651

    摘要： A polypropylene composition comprising (percent by weight) (a) 50-77 % 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 4 to 10; (b) 13-28 % of an elastomeric copolymer of ethylene and propylene, the copolymer having an amount of recurring units deriving from ethylene ranging from 30 to 70 % 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 to 4 dl/g; and (c) 10-22 % of polyethylene having an intrinsic viscosity value ranging from 1 to 3 dl/g, in said composition component (b) plus component (c) being in amounts of at least 25 wt %. The polymer composition exhibits good impact resistant, whitening resistance and relatively low stiffness.

    摘要翻译： 包含（重量百分比）（a）50-77％的具有全同立构五单元组的结晶丙烯聚合物（mmmm），通过不溶于二甲苯的级分测得的13 C-MNR 在25℃，高于97.5摩尔％，多分散指数为4至10; （b）13-28％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30至70％，并且在环境温度下部分溶于二甲苯，聚合物馏分可溶于二甲苯 环境温度的特性粘度值范围为2至4dl / g; 和（c）所述组合物组分（b）加组分（c）的特性粘度值为1至3dl / g的聚乙烯的10-22％的量为至少25重量％。 聚合物组合物表现出良好的抗冲击性，耐白化性和相对低的刚度。

    Process for the preparation of impact resistant propylene polymer compositions
    46.
    发明授权
    Process for the preparation of impact resistant propylene polymer compositions 有权
    制备耐冲击丙烯聚合物组合物的方法

    公开(公告)号：US09068028B2

    公开(公告)日：2015-06-30

    申请号：US13376893

    申请日：2010-06-16

    申请人： Gianni Collina ,  Marco Ciarafoni ,  Ofelia Fusco ,  Benedetta Gaddi ,  Monica Galvan ,  Giampiero Morini ,  Roberto Pantaleoni ,  Francesca Verrocchio

    发明人： Gianni Collina ,  Marco Ciarafoni ,  Ofelia Fusco ,  Benedetta Gaddi ,  Monica Galvan ,  Giampiero Morini ,  Roberto Pantaleoni ,  Francesca Verrocchio

    IPC分类号： C08F10/06 ,  C08F4/651 ,  C08F110/06

    CPC分类号： C08F10/06 ,  C08F110/06 ,  C08F4/6492 ,  C08F4/651 ,  C08F2/001 ,  C08F210/06 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/17 ,  C08F4/6494

    摘要： A process for the preparation of propylene polymer compositions carried out in the presence of a catalyst system comprising (a) a solid catalyst component having average particle size ranging from 15 to 80 μm comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 50 to 90% by mol with respect to the total amount of donors and selected from succinates and the other being selected from 1,3 diethers, (b) an aluminum alkyl and optionally (c) an external electron donor compound, and comprising the following steps: (i) contacting the catalyst components (a), (b) and optionally (c); (ii) pre-polymerizing up to forming amounts of polymer from about 0.1 up to about 1000 g per gram of solid catalyst component (a); (iii) polymerizing propylene producing a propylene (co)polymer being for at least 85% by weight of insoluble in xylene at 25° C. and (iv) in a successive step, carried out in gas-phase, polymerizing mixtures of ethylene with α-olefins CH2═CHR in which R is a hydrocarbon radical having 1-10 carbon atoms, to produce the said ethylene copolymer.

    摘要翻译： 一种制备丙烯聚合物组合物的方法，所述组合物在催化剂体系存在下进行，所述催化剂体系包含（a）平均粒度为15-80μm的固体催化剂组分，其包含卤化镁，至少具有Ti- 卤素键和至少两种电子给体化合物，其中一种以相对于供体总量为50-90％摩尔量存在，选自琥珀酸盐，另一种选自1,3-二醚，（b） 烷基铝和任选的（c）外电子给体化合物，并包括以下步骤：（i）使催化剂组分（a），（b）和任选的（c）接触; （ii）每克固体催化剂组分（a）预聚合至约0.1至约1000g的聚合物的形成量; （iii）聚合丙烯，产生丙烯（共）聚合物，其在25℃下为不溶于二甲苯的至少85重量％，和（iv）在连续步骤中，在气相聚合乙烯混合物 其中R是具有1-10个碳原子的烃基的α-烯烃CH 2 = CHR，以制备所述乙烯共聚物。

    Polyolefin compositions
    49.
    发明授权
    Polyolefin compositions 有权
    聚烯烃组合物

    公开(公告)号：US08569418B2

    公开(公告)日：2013-10-29

    申请号：US13378952

    申请日：2010-06-23

    申请人： Monica Galvan ,  Marco Ciarafoni ,  Roberto Pantaleoni ,  Angelo Ferraro

    发明人： Monica Galvan ,  Marco Ciarafoni ,  Roberto Pantaleoni ,  Angelo Ferraro

    IPC分类号： C08L23/04 ,  C08L23/10 ,  C08F8/00

    CPC分类号： C08J5/18 ,  C08J2323/10 ,  C08L23/0807 ,  C08L23/0815 ,  C08L23/10 ,  C08L2666/06

    摘要： 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.

    摘要翻译： 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。

    Polyolefin compositions and films obtained therefrom
    50.
    发明授权
    Polyolefin compositions and films obtained therefrom 失效
    聚烯烃组合物和由其获得的薄膜

    公开(公告)号：US06277918B1

    公开(公告)日：2001-08-21

    申请号：US09446211

    申请日：1999-12-17

    申请人： Gianni Collina ,  Remo Anibaldi ,  Marco Ciarafoni

    发明人： Gianni Collina ,  Remo Anibaldi ,  Marco Ciarafoni

    IPC分类号： C08L2300

    CPC分类号： C08L23/0815 ,  C08L23/142 ,  C08L23/20 ,  C08L2666/04

    摘要： Polyolefin compositions containing from 70 to 99 parts by weight of a composition (A) that includes (i) from 75 to 95% by weight of a copolymer of ethylene with an &agr;-olefin CH2═CHR, where R is an alkyl radical having from 1 to 10 carbon atoms; and (ii) from 5 to 25% by weight of a copolymer of propylene with ethylene and/or an &agr;-olefin CH2═CHR1, where R1 is an alkyl radical having from 2 to 10 carbon atoms, and from 1 to 30 parts by weight of a polyolefin component (B) that includes crystalline polybutene-1. The compositions can be used for making films.

    摘要翻译： 包含70至99重量份组合物（A）的聚烯烃组合物，其包含（i）75至95重量％的乙烯与α-烯烃CH 2 = CHR的共聚物，其中R为具有 1至10个碳原子; 和（ii）5至25重量％的丙烯与乙烯和/或α-烯烃CH 2 = CHR 1的共聚物，其中R 1是具有2至10个碳原子的烷基，和1至30重量份 包含结晶聚丁烯-1的聚烯烃组分（B）的重量。 组合物可用于制备薄膜。