POLYOLEFIN THERMOPLASTIC VULCANIZATE ELASTOMERS
    21.
    发明公开
    POLYOLEFIN THERMOPLASTIC VULCANIZATE ELASTOMERS 有权
    聚烯烃热塑性硫化弹性体

    公开(公告)号:EP2032647A1

    公开(公告)日:2009-03-11

    申请号:EP07729130.0

    申请日:2007-05-15

    Abstract: Thermoplastic vulcanizate elastomer obtained by dynamic vulcanization of a heterophasic polyolefin composition in presence of at least (i) an alkenyl-substituted alkoxysilane grafting agent and (ii) water; wherein said heterophasic polyolefin composition has flexural modulus equal to or lower than 150 MPa,and comprises: (a) a crystalline propylene homopolymer or copolymer of propylene with up to 15% of ethylene or other alpha-olefin comonomer(s), or their combinations, and (b) a copolymer or a composition of copolymers of ethylene with other alpha-olefins, containing from 15% to 40% of ethylene, said thermoplastic vulcanizate elastomer having compression set values in the range from 45 -65%, the ratio of elongation at break to compression set values over 10 and hardness shore A values below 90.

    Abstract translation: 通过在至少(i)链烯基取代的烷氧基硅烷接枝剂和(ii)水存在下动态硫化多相聚烯烃组合物获得的热塑性硫化橡胶弹性体; 其中所述多相聚烯烃组合物具有等于或低于150MPa的挠曲模量,并且包含:(a)丙烯与至多15%乙烯或其它α-烯烃共聚单体的结晶丙烯均聚物或共聚物,或它们的组合 ,和(b)乙烯与其它α-烯烃的共聚物或含有15%-40%乙烯的共聚物的组合物,所述热塑性硫化橡胶弹性体的压缩变定值在45-65%的范围内, 断裂伸长至超过10的压缩永久变形值和低于90的硬度邵氏A值。

    POLYOLEFIN NANOCOMPOSITES MATERIALS
    25.
    发明授权
    POLYOLEFIN NANOCOMPOSITES MATERIALS 有权
    MATERIALIENFÜRPOLYOLEFIN-NANOVERBUNDSTOFFE

    公开(公告)号:EP2215155B1

    公开(公告)日:2013-08-07

    申请号:EP08855521.4

    申请日:2008-10-15

    Abstract: A polyolefin nanocomposite material comprising the following components: (A) a crystalline or semi-crystalline polyolefin resin; and (B) a nanosized mineral filler comprising or substantially consisting of a hydrotalcite, wherein the amount of the hydrotalcite is from 0.02 to 6 parts by weight per 100 parts by weight of the nanocomposite material, and the ratio MFR (1)/MFR (2) of the melt flow rate value MFR (1) of component (A) to the melt flow rate value MFR (2) of the polyolefin nanocomposite material is of at least 1.02, characterized in that the said polyolefin nanocomposite material includes a compatibilizer the dispersion of the mineral filler (B) and compatibilizer in the polyolefin resin is produced at shear mixing rates from 30 to 300 sec−1,

    Abstract translation: 一种聚烯烃纳米复合材料,其包含以下组分:(A)结晶或半结晶聚烯烃树脂; 和(B)包含或基本上由水滑石组成的纳米尺寸矿物填料,其中所述水滑石的量为每100重量份纳米复合材料0.02至6重量份,并且MFR(1)/ MFR 组分(A)的熔体流动速率值MFR(1)与聚烯烃纳米复合材料的熔体流动速率值MFR(2)的比值(2)为至少1.02,其特征在于所述聚烯烃纳米复合材料包括增容剂 矿物填料(B)和增容剂在聚烯烃树脂中的分散是以剪切速率为30-300秒-1,

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