BUTENE-1 COPOLYMER TIE LAYER IN MULTILAYER FILM STRUCTURES HAVING A LOW SEAL TEMPERATURE AND IMPROVED HOT TACK
    2.
    发明申请
    BUTENE-1 COPOLYMER TIE LAYER IN MULTILAYER FILM STRUCTURES HAVING A LOW SEAL TEMPERATURE AND IMPROVED HOT TACK 审中-公开
    具有低密封温度和改进的热粘结的多层薄膜结构中的BOTENE-1共聚物层

    公开(公告)号:US20160121580A1

    公开(公告)日:2016-05-05

    申请号:US14896638

    申请日:2014-05-06

    Abstract: Multilayer film (BOPP) structure comprising at least: A) a skin (outer) layer substantially consisting of a crystalline low seal Initiation temperature propylene copolymer; B) a tie layer substantially consisting of a butene-1 copolymer having flexural modulus (MEF) of 75 MPa or less; C) a core layer substantially consisting of one or more polypropylene homopolymers designed for BOPP.

    Abstract translation: 至少包括:A)基本上由结晶低密度起始温度丙烯共聚物组成的皮肤(外部)层的多层膜(BOPP)结构; B)基本上由挠曲模量(MEF)为75MPa或更低的丁烯-1共聚物组成的粘结层; C)基本上由为BOPP设计的一种或多种聚丙烯均聚物组成的核心层。

    POLYPROPYLENE COMPOSITIONS CONTAINING GLASS FIBER FILLERS
    6.
    发明申请
    POLYPROPYLENE COMPOSITIONS CONTAINING GLASS FIBER FILLERS 有权
    包含玻璃纤维填料的聚丙烯组合物

    公开(公告)号:US20160137824A1

    公开(公告)日:2016-05-19

    申请号:US14903000

    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; 50-90wt % 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 C4-C10 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)均指(a)+(b)的总重量, ,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。

    PROPYLENE COPOLYMERS
    7.
    发明申请

    公开(公告)号:US20180362682A1

    公开(公告)日:2018-12-20

    申请号:US16061164

    申请日:2016-11-22

    Abstract: A propylene 1-hexene copolymer containing from about 5.5 to about 9.0% by weight, based upon the total weight of the copolymer, of 1-hexene derived units having: a) two melting temperature peaks in the DSC plot having a difference in height ranging from 0 to 5 mW; b) the higher melting temperature, measured by DSC, ranging from about 141.0° C. to about 151.0° C.; and c) Melt Flow Rate (MFR, measured according to ASTM D 1238, 230° C./2.16 kg) from about 3.5 to about 8.0 g/10 min.

    HIGHLY FILLED SOFT POLYOLEFIN COMPOSITION FOR ROOFING MEMBRANE
    9.
    发明申请
    HIGHLY FILLED SOFT POLYOLEFIN COMPOSITION FOR ROOFING MEMBRANE 有权
    高填充柔软的聚烯烃组合物

    公开(公告)号:US20160257809A1

    公开(公告)日:2016-09-08

    申请号:US15029470

    申请日:2014-10-01

    Abstract: The present disclosure relates to 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; the 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 the polyolefin composition having an IVgpc lower than 2.5 dl/g, a broad molecular weight distribution Mw/Mn (GPC) equal to or higher than 4, and a Mz/Mw (GPC) equal to or higher than 2.5. The filled polyolefin composition further comprises inorganic filler (II) and a butene-1 copolymer having: a flexural modulus (ISO 178) lower than 60 MPa, a Shore A (ISO 868) lower than 90 and a Tg (DMTA) lower than −20° C.

    Abstract translation: 本发明涉及高度填充的聚烯烃组合物,其具有改善的性能平衡,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),其由由丙烯与丙烯共聚物组成的结晶聚合物部分(A) 乙烯在25℃下不溶于二甲苯的份数为至少90重量%,和由乙烯与丙烯的共聚物或共聚物的共聚物或共混物组成的弹性体组分(B) 含有低于40重量%乙烯衍生的单元的共聚物或共混物。 具有IVgpc低于2.5dl / g,宽分子量分布Mw / Mn(GPC)等于或高于4的聚烯烃组合物在25℃下可溶于二甲苯的部分和Mz / Mw(GPC) 等于或高于2.5。 填充的聚烯烃组合物还包含无机填料(II)和丁烯-1共聚物,其弯曲模量(ISO 178)低于60MPa,肖氏A(ISO 868)低于90,Tg(DMTA)低于 - 20°C

    SCRATCH RESISTANT POLYOLEFIN COMPOSITION

    公开(公告)号:US20220348751A1

    公开(公告)日:2022-11-03

    申请号:US17641226

    申请日:2020-08-28

    Abstract: An injection molded article made from or containing a propylene-based composition made from or containing: T1) from 90 wt % to 50 wt % of a propylene homopolymer; and T2) from 10 wt % to 50 wt % of a polymer composition made from or containing A) 5-35% by weight of a propylene homopolymer or a propylene ethylene copolymer; B) 20-50% by weight of a copolymer of ethylene and a C3-C8 alpha-olefin containing from 0.1% to 20% by weight of alpha-olefin units; and C) 30-60% by weight of a copolymer of ethylene and propylene containing from 25% to 75% by weight of ethylene units.

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