POLYMER COMPOSITION FOR INJECTION MOLDING
    1.
    发明申请

    公开(公告)号:WO2022084081A1

    公开(公告)日:2022-04-28

    申请号:PCT/EP2021/078019

    申请日:2021-10-11

    Abstract: The present disclosure relates to a polyolefin composition having a high balance of melt flowability and impact resistance, comprising: A) from 88% to 99% by weight of an ethylene polymer having MIP of equal to or higher than 5 g/10 min, where MIP is the melt flow index at 190°C with a load of 5 kg, determined according to 1133-2:2011; B) from 1% to 12% by weight of a butene- 1 polymer having MIE of equal to or higher than 800 g/10 min., where MIE is the melt flow index at 190°C with a load of 2.16 kg, determined according to 1133-2:2011; wherein the amounts of A) and B) are referred to the total weight of A) + B).

    Polyolefin Fibres
    2.
    发明申请
    Polyolefin Fibres 审中-公开
    聚烯烃纤维

    公开(公告)号:WO2010069775A1

    公开(公告)日:2010-06-24

    申请号:PCT/EP2009/066278

    申请日:2009-12-03

    Abstract: A polyolefin composition comprising: A) 20-95 wt% of a propylene homo-polymer or a crystalline co-polymer of propylene with ethylene and/or an alpha -olefin having 4-10 carbon atoms, containing 85wt% or more of propylene, having an isotactic index equal to or higher than 80; B) 5-80 wt% of a copolymer of butene-1 with ethylene and/or an alpha -olefin having 3-10 carbon atoms having: - a content of butene-1 derived units of 80wt% wt or more, - molecular weight distribution Mw/Mn of less than 3. - flexural modulus of 60 MPa or less. Fibres and spun bond (woven non woven), disposable sanitary items (e.g. diapers) thereof.

    Abstract translation: 一种聚烯烃组合物,其包含:A)20-95重量%的丙烯均聚物或丙烯与乙烯和/或具有4-10个碳原子的α-烯烃的结晶共聚物,其含有85重量%或更多的丙烯, 具有等于​​或高于80的全同立构指数; B)5-80重量%的丁烯-1与乙烯和/或具有3-10个碳原子的α-烯烃的共聚物具有: - 丁烯-1衍生单元的含量为80重量%以上, - 分子量 分布Mw / Mn小于3.-挠曲模量为60MPa以下。 纤维和纺粘(无纺布),一次性卫生用品(例如尿布)。

    POLYOLEFIN FIBRES
    3.
    发明申请
    POLYOLEFIN FIBRES 审中-公开
    聚烯烃纤维

    公开(公告)号:WO2009080435A1

    公开(公告)日:2009-07-02

    申请号:PCT/EP2008/066203

    申请日:2008-11-26

    Abstract: A polyolefin composition comprising: A) 50-90 %wt of of polypropylene homopolymer with an isotactic index (percentage by weight of fraction insoluble in boiling n-heptane) higher than 80, preferably between 90 and 98, or crystalline copolymer of propylene with ethylene and/or an alpha -olefin having 4-10 carbon atoms, containing 85% or more of propylene and having an isotactic index equal to or higher than 80; B) 10-50%wt of Butene-1 (co)polymers having a content of butene-1 units in the form of isotactic pentads (mmmm) from 25 to 70%; intrinsic viscosity [η] measured in tetraline at 135°C from 1 to 3 dL/g; a content of xylene insoluble fraction at 0°C from 3 to 60%. Fibers and spun bond (woven non woven) and geotextile thereof.

    Abstract translation: 一种聚烯烃组合物,其包含:A)50-90重量%的具有高于80,优选90至98的全同立构指数(不溶于沸腾正庚烷的馏分的重量百分比)的聚丙烯均聚物或丙烯与乙烯的结晶共聚物 和/或具有4-10个碳原子的α-烯烃,其含有85%或更多的丙烯并且具有等于或高于80的全同立构指数; B)具有25至70%全同立构五单元组(mmmm)形式的丁烯-1单元的丁烯-1(共)聚合物的10-50重量% 在135℃的四氢萘中测定的特性粘度[η]为1〜3dL / g; 在0℃下二甲苯不溶部分的含量为3〜60%。 纤维和纺粘(无纺布)及其土工织物。

    FIBRES HAVING ELASTIC PROPERTIES
    5.
    发明申请
    FIBRES HAVING ELASTIC PROPERTIES 审中-公开
    具有弹性特性的纤维

    公开(公告)号:WO2006067214A1

    公开(公告)日:2006-06-29

    申请号:PCT/EP2005/057097

    申请日:2005-12-22

    CPC classification number: D01F6/46

    Abstract: Fibres exhibiting good elastic properties and made from a thermoplastic, elastomeric polyolefin composition comprising (percent by weight): (A) 10 to less than 50% of one or more crystalline propylene polymers selected from homopolymers of propylene and random interpolymers of propylene and one or more recurring units in amounts up to 10%, the recurring units being selected from ethylene and a C 4 -C 10 α -olefin, the polymer(s) being insoluble in xylene at room temperature in an amount higher than 80%; and (B) over 50 to 90% of a polymer fraction comprising one or more interpolymers of ethylene and at least one α-olefin of formula H 2 C=CHR 2 , where R 2 is a C 1 -C 8 linear or branched alkyl, containing from 13 to less than 60% of recurring units deriving from ethylene. The fibres are prepared by a process operating at a value of output per hole ranging from 5 to 15 g/min, the pressure in the extruder ranging from 15 to 30 bar, the temperature in the extruder head ranging from 200 to 300° C.

    Abstract translation: 具有良好弹性的纤维和由包含(重量百分数))的热塑性弹性体聚烯烃组合物制成的纤维:(A)10至小于50%的一种或多种结晶丙烯聚合物,其选自丙烯的均聚物和丙烯的无规互聚物以及一种或多种 重复单元的量高达10%,重复单元选自乙烯和C 4 -C 10α-烯烃,聚合物不溶于 二甲苯在室温下的含量高于80%; 和(B)超过50-90%的包含一种或多种乙烯和至少一种式H 2 C-CHR 2的α-烯烃互聚物的聚合物部分, 其中R 2是含有13至少于60%的衍生自乙烯的重复单元的直链或支链C 1 -C 12直链或支链烷基 。 纤维通过以每孔输出值为5至15g / min,挤出机中的压力为15至30巴,挤出机头的温度为200-300℃的工艺制备。

    POLYOLEFIN FIBRES
    6.
    发明公开
    POLYOLEFIN FIBRES 有权
    聚烯烃

    公开(公告)号:EP2358809A1

    公开(公告)日:2011-08-24

    申请号:EP09763960.3

    申请日:2009-12-03

    Abstract: A polyolefin composition comprising: A) 20-95 wt% of a propylene homo-polymer or a crystalline co-polymer of propylene with ethylene and/or an alpha -olefin having 4-10 carbon atoms, containing 85wt% or more of propylene, having an isotactic index equal to or higher than 80; B) 5-80 wt% of a copolymer of butene-1 with ethylene and/or an alpha -olefin having 3-10 carbon atoms having: - a content of butene-1 derived units of 80wt% wt or more, - molecular weight distribution Mw/Mn of less than 3. - flexural modulus of 60 MPa or less. Fibres and spun bond (woven non woven), disposable sanitary items (e.g. diapers) thereof.

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