HIGHLY FILLED SOFT POLYOLEFIN COMPOSITION FOR ROOFING MEMBRANE
    23.
    发明申请
    HIGHLY FILLED SOFT POLYOLEFIN COMPOSITION FOR ROOFING MEMBRANE 审中-公开
    高填充柔软的聚烯烃组合物

    公开(公告)号:WO2015055433A1

    公开(公告)日:2015-04-23

    申请号:PCT/EP2014/071020

    申请日:2014-10-01

    Abstract: Highly filled polyolefin compositions with improved balance of properties particularly for applications where puncture and tear resistance is requested comprising a flexible heterophasic polyolefin composition (I), consisting of a crystalline polymer fraction (A) consisting of a copolymer of propylene with ethylene having a fraction insoluble in xylene at 25°C of at least 90% by weight, and an elastomeric fraction (B) consisting of a copolymer or blend of copolymers of ethylene with propylene; said copolymer or blend containing units derived from ethylene in a quantity lower than 40% by weight. The fraction soluble in xylene at 25°C of said polyolefin composition having IVgpc lower than 2.5 dl/g, and a broad molecular weight distribution Mw/Mn (GPC) equal to or higher than 4, Mz/Mw (GPC) equal to or higher than 2.5.The filled polyolefin composition is further comprising of an inorganic filler (II) and a butene-1 copolymer having: flexural modulus (ISO 178) lower than 60 MPa, Shore A (ISO 868) lower than 90 and Tg (DMTA) lower than -20°C.

    Abstract translation: 要求具有改进的性能平衡的高度填充的聚烯烃组合物,特别是对于要求穿刺和抗撕裂性的应用,包括柔性多相聚烯烃组合物(I),由具有不溶性部分的丙烯与乙烯的共聚物组成的结晶聚合物部分(A)组成 在25℃的二甲苯中至少为90重量%,以及由共聚物或乙烯与丙烯的共聚物的共混物组成的弹性体部分(B) 所述共聚物或共混物含有低于40重量%的来自乙烯的单元。 所述聚烯烃组合物在25℃下可溶于二氯甲烷的馏分具有低于2.5dl / g的IVgpc,等于或高于4的宽分子量分布Mw / Mn(GPC)等于或等于4,Mz / Mw(GPC)等于或等于 填充的聚烯烃组合物还包含无机填料(II)和具有低于60MPa的挠曲模量(ISO 178),低于90的肖氏A(ISO 868)和Tg(DMTA)的丁烯-1共聚物 )低于-20°C。

    POLYPROPYLENE COMPOSITIONS CONTAINING GLASS FIBER FILLERS
    24.
    发明申请
    POLYPROPYLENE COMPOSITIONS CONTAINING GLASS FIBER FILLERS 审中-公开
    包含玻璃纤维填料的聚丙烯组合物

    公开(公告)号:WO2015000738A1

    公开(公告)日:2015-01-08

    申请号:PCT/EP2014/063236

    申请日:2014-06-24

    Abstract: Composition comprising (A) from 30 to 60 by weight, of a soft polyolefin composition comprising, 10-50 % by weight of a copolymer (a) of propylene, which copolymer contains from 1 to 8 % of comonomer content; 50-90 wt % of a copolymer (b) of ethylene and other alpha-olefin(s), containing from 57 to 80 % of ethylene; wherein the weight ratio of the content of copolymer component (b) to the fraction XS soluble in xylene at room temperature (about 25 °C), both (b and XS) referred to the total weight of (a) + (b), is of 1.5 or less, and the intrinsic viscosity [η] of the said XS fraction is of 3 dl/g or more; and the total quantity of copolymerized ethylene is preferably from 30 % to 65 % by weight; (B) from 5 to 30 wt % of a glass fiber filler; (C) from 0 to 5 % by weight of a compatibilizer; (D) from 10 to 40 by weight of a polypropylene component selected from propylene homopolymers, propylene copolymers containing up to 5 % by moles of ethylene and/or C 4 -C 10 α-olefin(s) and combinations of such homopolymers and copolymers, wherein the Melt Flow Rate, of the polypropylene component D) is generally from 0.3 to 2500 g/10 min.

    Abstract translation: 组合物,其包含(A)30至60重量%的软质聚烯烃组合物,其包含10-50重量%的丙烯共聚物(a),该共聚物含有1至8重量%的共聚单体含量; 50-90重量%的乙烯和其它α-烯烃的共聚物(b),其含有57-80%的乙烯; 其中共聚物组分(b)的含量与在室温(约25℃)下可溶于二甲苯的级分XS的重量比(b和XS)以(a)+(b)的总重量计, 为1.5以下,所述XS馏分的特性粘度[ηe]为3dl / g以上, 共聚乙烯的总量优选为30〜65重量%。 (B)5〜30重量%的玻璃纤维填料; (C)0〜5重量%的增容剂; (D)10至40重量份的选自丙烯均聚物的聚丙烯组分,含有至多5摩尔%乙烯和/或C 4 -C 10α-烯烃的丙烯共聚物以及这些均聚物和共聚物的组合,其中 聚丙烯组分D)的熔体流动速率通常为0.3至2500g / 10min。

    FILLED POLYOLEFIN COMPOSITION
    27.
    发明申请

    公开(公告)号:WO2022263212A1

    公开(公告)日:2022-12-22

    申请号:PCT/EP2022/065248

    申请日:2022-06-03

    Abstract: Disclosed is a filled polyolefin composition comprising a blend of a 30-70wt.% of a first heterophasic polypropylene HECO1 and 70-30 wt.% of a second heterophasic polypropylene HECO2, the heterophasic copolymers differing in MFR and type of comonomers, in combination with glass fibers and optionally a compatibilizer. The filled polyolefin composition has a high fluidity in the molten state and a good balance of mechanical properties and finds use in injection molding applications.

    HIGH FLOW HETEROPHASIC POLYPROPYLENE AS APPEARANCE IMPROVER IN POLYOLEFIN COMPOSITIONS

    公开(公告)号:WO2022017757A1

    公开(公告)日:2022-01-27

    申请号:PCT/EP2021/068169

    申请日:2021-07-01

    Abstract: Heterophasic copolymers of propylene with a MFR2 (230°C/2.16 Kg) of from 3.0 to 12.0 g/10 min comprise: (a) from 55 to 75 wt. % of a component (A) being a copolymer of propylene with ethylene or a C4-C10 alpha-olefin, comprising from 0.5 to 2.0 wt. % of ethylene and/or C4-C10 alpha-olefin units and having a MFR2 (230°C/2.16 K g) ranging from 60 to 140 g/10 min; and (b) from 25 to 45 wt. % of a component (B) being a propylene-ethylene copolymer comprising 25 to 45 wt. % of ethylene units and having a value of the intrinsic viscosity of the fraction soluble in xylene at room temperature (XS-IV) ranging from 5 to 9 dl/g.

    HETEROPHASIC PROPYLENE COPOLYMERS
    30.
    发明申请
    HETEROPHASIC PROPYLENE COPOLYMERS 审中-公开
    杂原子丙烯共聚物

    公开(公告)号:WO2017076701A1

    公开(公告)日:2017-05-11

    申请号:PCT/EP2016/075684

    申请日:2016-10-25

    Abstract: A polypropylene composition comprising: A) from 50 wt% to 90 wt%; of a propylene homopolymer; B) from 10 wt% to 50wt%; of a copolymer of propylene with from 30.0 wt% to 70.0wt%, of ethylene derived units; the sum of the amount of component A) and B) being 100; the composition having: i) an intrinsic viscosity of the fraction soluble in xylene at 25 °C comprised between 2.2 and 4.0 dl/g; ii) a MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load) from 0.5 to 100 g/10 min; iii) a xylene soluble fraction ranging from 20 wt% to 50 wt%; the polypropylene composition being obtained by a two steps polymerization process wherein the catalyst system contains bismuth.

    Abstract translation: 1.一种聚丙烯组合物,其包含:A)50重量%至90重量%; 的丙烯均聚物; B)10重量%至50重量%; 的丙烯与30.0重量%至70.0重量%的乙烯衍生的单元的共聚物; 组分A)和B)的量的总和为100; 该组合物具有:i)在25℃下可溶于二甲苯的部分的特性粘度为2.2至4.0dl / g; ii)0.5至100g / 10min的MFR L(根据ISO 1133的熔体流动速率,条件L,即230℃和2.16kg载荷); iii)20wt%至50wt%的二甲苯可溶部分; 该聚丙烯组合物通过其中催化剂体系含有铋的两步聚合方法获得。

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