POLYHYDROXYALKANOATE COMPOSITION EXHIBITING IMPROVED IMPACT RESISTANCE AT LOW LEVELS OF IMPACT MODIFIER
    1.
    发明申请
    POLYHYDROXYALKANOATE COMPOSITION EXHIBITING IMPROVED IMPACT RESISTANCE AT LOW LEVELS OF IMPACT MODIFIER 有权
    聚羟基烷酸酯组合物在低水平的冲击改性剂中展现出改进的抗冲击性

    公开(公告)号:US20130131272A1

    公开(公告)日:2013-05-23

    申请号:US13669529

    申请日:2012-11-06

    IPC分类号: C08L67/04

    摘要: The invention provides a composition exhibiting improved impact resistance at low levels of impact modifier. The composition comprises a polyhydroxyalkanoic acid and: (A) an elastomeric compound of core-shell type wherein the amount of (A) is from 0.1 to 6% by mass of the composition; and (B) and an olefinic copolymer comprising an ethylenic monomer bearing an epoxy function; wherein the amount of (B) is from 0.01 to 0.6% by mass of the composition and the mass ratio of (A)/(B) is from 85/15 to 99.5/0.5.

    摘要翻译: 本发明提供了在低水平的抗冲改性剂下表现出改进的耐冲击性的组合物。 所述组合物包含聚羟基链烷酸和(A)核 - 壳型的弹性体化合物,其中(A)的量为所述组合物的0.1〜6质量% 和(B)和包含具有环氧官能团的烯属单体的烯烃共聚物; 其中(B)的量为组合物的0.01〜0.6质量%,(A)/(B)的质量比为85/15〜99.5 / 0.5。

    Method for manufacturing a polyester composition having improved impact properties
    2.
    发明授权
    Method for manufacturing a polyester composition having improved impact properties 失效
    具有改善冲击性能的聚酯组合物的制造方法

    公开(公告)号:US08653192B2

    公开(公告)日:2014-02-18

    申请号:US13383533

    申请日:2010-07-13

    摘要: A method for manufacturing a thermoplastic composition including: a polyester resin (c); a mixture including a copolymer (a) of an α-olefin and of a monomer having an ethylenic unsaturation and an epoxy function, as well as a core-shell compound (b); characterized in that said method includes a first step of manufacture the mixture of (a) and (b) by extrusion at a temperature at which the copolymer (a) is in the molten state and at a maximum temperature of 60 to 180° C.; a second step of manufacturing the thermoplastic composition by extrusion or by mixing the polyester resin (c) with the mixture of (a) and (b) produced in the first step.

    摘要翻译: 一种热塑性组合物的制造方法,其特征在于,包括:聚酯树脂(c) 包含α-烯烃的共聚物(a)和具有烯属不饱和度和环氧官能团的单体以及核 - 壳化合物(b)的混合物; 其特征在于所述方法包括通过在共聚物(a)处于熔融状态和最高温度为60至180℃的温度下挤出制备(a)和(b)的混合物的第一步骤。 ; 通过挤出或通过将聚酯树脂(c)与在第一步骤中制备的(a)和(b)的混合物混合来制造热塑性组合物的第二步骤。