POLYOLEFIN COMPOSITIONS
    42.
    发明申请
    POLYOLEFIN COMPOSITIONS 审中-公开
    聚烯烃组合物

    公开(公告)号:WO2010149705A1

    公开(公告)日:2010-12-29

    申请号:PCT/EP2010/058916

    申请日:2010-06-23

    Abstract: 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 C 4 -C 10 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 C 4 -C 10 α-olefin(s) containing from 20 to 30% of said C 4 -C 10 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 C 4 -C 10 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.

    Abstract translation: 特别适用于流延膜的聚烯烃组合物,具有热封性,蒸馏性,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C 20 -C 30α-烯烃的共聚物的15-25% 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,特性粘度的值 在室温下可溶于二甲苯的总馏分(XSIVtot)为1.5dl / g以下。

    PROCESS FOR THE PREPARATION OF IMPACT RESISTANT PROPYLENE POLYMER COMPOSITIONS
    43.
    发明申请
    PROCESS FOR THE PREPARATION OF IMPACT RESISTANT PROPYLENE POLYMER COMPOSITIONS 审中-公开
    制备抗冲击丙烯聚合物组合物的方法

    公开(公告)号:WO2010146074A1

    公开(公告)日:2010-12-23

    申请号:PCT/EP2010/058437

    申请日:2010-06-16

    Abstract: 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-olefϊns CH 2 =CHR in which R is a hydrocarbon radical having 1-10 carbon atoms, to produce the said ethylene copolymer.

    Abstract translation: 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)预聚合至每克固体催化剂组分(a)约0.1至约1000g的聚合物的形成量; (iii)聚合产生丙烯(共)聚合物的丙烯,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,在气相中进行乙烯与乙烯的聚合混合物 烯基-CH 2 = CHR,其中R是具有1-10个碳原子的烃基,以制备所述乙烯共聚物。

    POLYOLEFIN COMPOSITIONS HAVING GOOD RESISTANCE AT WHITENING

    公开(公告)号:WO2010034684A3

    公开(公告)日:2010-04-01

    申请号:PCT/EP2009/062184

    申请日:2009-09-21

    Abstract: A polyolefϊn composition comprising, in percentage by weight based on the weight sum of the components (al), (a2) and (b): al) 16-78 % of a propylene homopolymer or copolymer containing at most 15% of ethylene and/or C4-C10 α-olefm(s), having an isotactic index over 80%; and a2) 6-44% of a copolymer of ethylene with one or more C 4 -C 10 α-olefm(s) containing from 10 to 40%, preferably from 15 to 35%,of said C 4 -C 10 α-olefm(s); b) 3-70% of a butene-1 (co)polymer having: - a content of butene-1 derived units of 80% wt or more, - flexural modulus (MEF) of 60 MPa or less. The polyolefϊn composition exhibits good impact resistance, excellent whitening resistance and relatively low stiffness combined with good optical properties suitable for injection and blow molding, thermoforming and film application.

    NUCLEATED PROPYLENE POLYMER COMPOSITION
    49.
    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。

    HETEROPHASIC PROPYLENE COPOLYMERS
    50.
    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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