NUCLEATED PROPYLENE POLYMER COMPOSITION
    3.
    发明申请
    NUCLEATED PROPYLENE POLYMER COMPOSITION 审中-公开
    成核丙烯聚合物组合物

    公开(公告)号:WO2018069127A1

    公开(公告)日:2018-04-19

    申请号:PCT/EP2017/075288

    申请日:2017-10-05

    Abstract: A nucleated propylene polymer composition comprising: A) from 77 wt% to 91 wt%, of a propylene homopolymer having a fraction insoluble in xylene at 25 °C higher than 95 %; B) from 9 wt % to 23 wt%, of a copolymer of propylene with from 28.0 wt% to 42.0 wt% of ethylene derived units; the composition having an intrinsic viscosity of the fraction soluble in xylene at 25 °C comprised between 1.0 dl/g and 1.9 dl/g, a fraction soluble in xylene at 25 °C comprised between 9.0 wt% and 21.0 wt%, a total melt flow rate (Melt Flow Rate according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load) comprised between 1.5 and 5 g/10 min and the value of the relation (I): 22.5+0.2*MFR-1.2*Xs+0.2*IV is higher than 5.9; wherein MFR is the melt flow rate of the nucleated composition (Melt Flow Rate according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load); IV is the intrinsic viscosity of the fraction soluble in xylene at 25 °C; and Xs is the fraction soluble in xylene at 25°C; wherein the amount of A+B is equal to 100 wt% and wherein the nucleated agent is selected from the group consisting of aromatic or aliphatic carboxylic acids, aromatic metal phosphates, sorbitol derivatives and talc.

    Abstract translation: 1.一种成核丙烯聚合物组合物,其包含:A)77重量%至91重量%的丙烯均聚物,其在25℃下具有不溶于二甲苯的部分,其含量高于95%; B)9重量%至23重量%的丙烯与28.0重量%至42.0重量%的乙烯衍生的单元的共聚物; 所述组合物在25℃下的可溶于二甲苯的部分的特性粘度为1.0dl / g至1.9dl / g,在25℃下可溶于二甲苯的部分为9.0wt%至21.0wt%, 总熔体流动速率(根据ISO 1133的熔体流动速率,条件L,即230℃和2.16kg载荷)为1.5至5g / 10min,并且关系式(I)的值为:22.5±0.2 * MFR- 1.2 * Xs + 0.2 * IV高于5.9; 其中MFR是成核组合物的熔体流动速率(根据ISO 1133的熔体流动速率,条件L,即230℃和2.16kg载荷); IV是在25℃可溶于二甲苯的部分的特性粘度; Xs是在25℃可溶于二甲苯的部分; 其中A + B的量等于100wt%,并且其中成核剂选自芳族或脂族羧酸,芳族金属磷酸盐,山梨糖醇衍生物和滑石。

    BUTENE-1 POLYMER COMPOSITIONS HAVING A SHORT CRYSTALLIZATION TIME

    公开(公告)号:WO2022023408A1

    公开(公告)日:2022-02-03

    申请号:PCT/EP2021/071127

    申请日:2021-07-28

    Abstract: The present disclosure relates to a butene-1 polymer composition, particularly suited for the preparation of pipes, comprising: A) from 97.5% to 99.85% by weight, with respect to the total weight of A) and B), of a butene-1 polymer or polymer composition; B) from 0.15% to 2.5% by weight, with respect to the total weight of A) and B), of talc in form of particles having a volume based particle diameter distribution Dv (0.95) of 45 µm or lower; and, optionally C) from 0.01% to 2% by weight of an ethylene polymer; the amount of C) being referred to the total weight of A) + B) + C), which amounts to 100%.

    NUCLEATED PROPYLENE POLYMER COMPOSITION
    6.
    发明公开

    公开(公告)号:EP3526286A1

    公开(公告)日:2019-08-21

    申请号:EP17783437.1

    申请日:2017-10-05

    Abstract: A nucleated propylene polymer composition comprising: A) from 77 wt% to 91 wt%, of a propylene homopolymer having a fraction insoluble in xylene at 25 °C higher than 95 %; B) from 9 wt % to 23 wt%, of a copolymer of propylene with from 28.0 wt% to 42.0 wt% of ethylene derived units; the composition having an intrinsic viscosity of the fraction soluble in xylene at 25 °C comprised between 1.0 dl/g and 1.9 dl/g, a fraction soluble in xylene at 25 °C comprised between 9.0 wt% and 21.0 wt%, a total melt flow rate (Melt Flow Rate according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load) comprised between 1.5 and 5 g/10 min and the value of the relation (I): 22.5+0.2*MFR-1.2*Xs+0.2*IV is higher than 5.9; wherein MFR is the melt flow rate of the nucleated composition (Melt Flow Rate according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load); IV is the intrinsic viscosity of the fraction soluble in xylene at 25 °C; and Xs is the fraction soluble in xylene at 25°C; wherein the amount of A+B is equal to 100 wt% and wherein the nucleated agent is selected from the group consisting of aromatic or aliphatic carboxylic acids, aromatic metal phosphates, sorbitol derivatives and talc.

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