BUTENE-1 POLYMER COMPOSITION HAVING A HIGH MELT FLOW RATE
    5.
    发明申请
    BUTENE-1 POLYMER COMPOSITION HAVING A HIGH MELT FLOW RATE 审中-公开
    具有高熔体流动速率的丁烯-1聚合物组合物

    公开(公告)号:WO2018007280A1

    公开(公告)日:2018-01-11

    申请号:PCT/EP2017/066424

    申请日:2017-07-03

    Abstract: A butene-1 polymer composition having MFR values of from 400 to 2000 g/10 min, measured according to ISO 1133 at 190°C with a load of 2.16 kg, comprising: A) a butene-1 homopolymer or a copolymer of butene-1 with one or more comonomers selected from ethylene and higher alpha-olefins, having a copolymerized comonomer content of up to 5% by mole; B) a copolymer of butene-1 with one or more comonomers selected from ethylene and higher alpha-olefins, having a copolymerized comonomer content of from 6% to 20% by mole; said composition having a total copolymerized comonomer content from 4% to 15% by mole, referred to the sum of A) and B), and a content of fraction soluble in xylene at 0°C of 60% by weight or less, determined on the total weight of A) and B).

    Abstract translation: 根据ISO 1133在190℃和2.16kg的负荷下测量的MFR值为400-2000g / 10min的丁烯-1聚合物组合物,其包含:A)丁烯-1聚合物组合物, 1均聚物或丁烯-1与选自乙烯和更高级α-烯烃的一种或多种共聚单体的共聚物,共聚单体含量高达5%摩尔; B)丁烯-1与选自乙烯和更高级α-烯烃的一种或多种共聚单体的共聚物,共聚单体含量为6摩尔%至20摩尔%; 所述组合物具有4-15%(摩尔)的总共聚合共聚单体含量,相对于A)和B)的总和,以及0℃下溶于二甲苯的部分的含量为60%重量或更低, A)和B)的总重量。

    POLYOLEFIN GASKETS FOR CLOSURES
    9.
    发明申请
    POLYOLEFIN GASKETS FOR CLOSURES 审中-公开
    聚氯乙烯垫圈封闭

    公开(公告)号:WO2016188982A1

    公开(公告)日:2016-12-01

    申请号:PCT/EP2016/061648

    申请日:2016-05-24

    Abstract: A gasket for closures comprising a polyolefin composition (I) containing A) from 25 to 62% by weight of a copolymer of butene-1 with ethylene having a copolymerized ethylene content of up to 18% by mole and no melting peak detectable at the DSC at the second heating scan; B) from 38 to 75% by weight, of (i) a propylene homopolymer, or (ii) a propylene copolymer, or (iii) a mixture of two or more of (i) and (ii), having a melting temperature T m , measured by DSC at the second heating scan, of from 130°C to 165°C; wherein the amounts of A) and B) are referred to the total weight of A) + B).

    Abstract translation: 一种用于封闭件的密封件,其包含聚烯烃组合物(I),其包含A)25至62重量%的丁烯-1与乙烯的共聚物,其共聚乙烯含量高达18摩尔%,并且在DSC 在第二次加热扫描; B)38至75重量%,(i)丙烯均聚物,或(ii)丙烯共聚物,或(iii)两个或更多个(i)和(ii)的混合物,其熔融温度Tm 通过DSC在第二次加热扫描测得的温度为130℃至165℃; 其中A)和B)的量指A)+ B)的总重量。

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