EXPANDABLE THERMALLY-STABLE STYRENE COPOLYMERS
    1.
    发明申请
    EXPANDABLE THERMALLY-STABLE STYRENE COPOLYMERS 审中-公开
    可膨胀的热稳定苯乙烯共聚物

    公开(公告)号:US20130059933A1

    公开(公告)日:2013-03-07

    申请号:US13599528

    申请日:2012-08-30

    IPC分类号: C08J9/18 C08L25/08

    摘要: A process for producing an expandable pelletized polymeric material which comprises: a) providing a polymer component, consisting of a styrene polymer component having a glass transition temperature of ≧130° C., formed from and one or more thermoplastic polymers selected from the group consisting of aromatic polyethers; polyolefins; polyacrylates; polycarbonates; polyesters; polyamides; polyether sulfones; polyether ketones and polyether sulfides, (b) heating the polymer component to form a polymer melt, (c) introducing a blowing agent component into the polymer melt to form a foamable melt, (d) homogenizing the mixture, (f) extruding the blowing agent-containing polymer melt through a die plate, (g) pelletizing the blowing agent-containing melt in a liquid-filled chamber to form a pelletized material. The expandable pelletized material is suitable for production of molded foam bodies, the applications as insulation material and as structural foam elements for lightweight construction and composite applications.

    摘要翻译: 一种用于生产可膨胀的颗粒状聚合物材料的方法,其包括:a)提供由玻璃化转变温度为130℃的玻璃化转变温度的苯乙烯聚合物组分组成的聚合物组分,由一种或多种选自以下的热塑性聚合物形成: 的芳族聚醚; 聚烯烃; 聚丙烯酸酯; 聚碳酸酯; 聚酯; 聚酰胺 聚醚砜; 聚醚酮和聚醚硫醚,(b)加热聚合物组分以形成聚合物熔体,(c)将引发剂组分引入聚合物熔体中以形成可发泡的熔体,(d)使混合物均质化,(f) 含聚合物的聚合物通过模板熔融,(g)在充满液体的室中造粒含发泡剂的熔体以形成造粒材料。 可膨胀颗粒材料适用于生产模制泡沫体,应用作为绝缘材料和用于轻型结构和复合应用的结构泡沫元件。

    ELASTIC MOLDED FOAM BASED ON POLYOLEFIN/STYRENE POLYMER MIXTURES
    2.
    发明申请
    ELASTIC MOLDED FOAM BASED ON POLYOLEFIN/STYRENE POLYMER MIXTURES 审中-公开
    基于聚烯烃/苯乙烯聚合物混合物的弹性模制泡沫

    公开(公告)号:US20110269858A1

    公开(公告)日:2011-11-03

    申请号:US13143029

    申请日:2009-12-16

    摘要: Expandable, thermoplastic polymer bead material, comprising A) from 45 to 97.8 percent by weight of a styrene polymer, B1) from 1 to 45 percent by weight of a polyolefin with a melting point in the range from 105 to 140° C., B2) from 0 to 25 percent by weight of a polyolefin with a melting point below 105° C., C1) from 0.1 to 25 percent by weight of a block or graft copolymer with weight-average molar mass Mw of at least 100,000 g/mol, comprising a) at least one block S composed of from 95 to 100% by weight of vinylaromatic monomers and from 0 to 5% by weight of dienes, and b) at least one copolymer block (S/B)A composed of from 63 to 80% by weight of vinylaromatic monomers and from 20 to 37% by weight of dienes, with glass transition temperature TgA in the range from 5 to 30° C., where the proportion by weight of the entirety of all of the blocks S is in the range from 50 to 70% by weight, based on the block or graft copolymer A, C2) from 0 to 20 percent by weight of a styrene-butadiene or styrene-isoprene block copolymer different from C1, C3) from 0.1 to 9.9 percent by weight of a styrene-ethylene-butylene block copolymer, D) from 1 to 15 percent by weight of a blowing agent, and E) from 0 to 5 percent by weight of a nucleating agent, where the entirety composed of A) to E) gives 100% by weight.

    摘要翻译: 可膨胀的热塑性聚合物珠粒材料,其包含A)45至97.8重量%的苯乙烯聚合物,B1)1至45重量%的熔点为105-140℃的聚烯烃,B2 )0至25重量%的熔点低于105℃的聚烯烃,C1)0.1至25重量%的重均摩尔质量Mw至少为100,000克/摩尔的嵌段或接枝共聚物 包括a)至少一种由95-100%重量的乙烯基芳族单体和0-5%重量二烯组成的嵌段S,和b)至少一种由63组成的共聚物嵌段(S / B)A 至80重量%的乙烯基芳族单体和20至37重量%的二烯,玻璃化转变温度TgA在5至30℃的范围内,其中全部块S的重量比为 基于嵌段或接枝共聚物A在50至70重量%的范围内,C2)0至20重量%的苯乙烯 - 丁 二烯或苯乙烯 - 异戊二烯嵌段共聚物,不同于C1,C3)0.1至9.9重量%的苯乙烯 - 乙烯 - 丁烯嵌段共聚物,D)1至15重量%的发泡剂,E)0至 5重量%的成核剂,其中由A)至E)组成的整体得到100重量%。

    ELASTIC EXPANDED POLYMER FOAM BASED ON POLYOLEFIN/STYRENE POLYMER MIXTURES
    4.
    发明申请
    ELASTIC EXPANDED POLYMER FOAM BASED ON POLYOLEFIN/STYRENE POLYMER MIXTURES 失效
    基于聚烯烃/苯乙烯聚合物混合物的弹性膨胀聚合物泡沫

    公开(公告)号:US20110316198A1

    公开(公告)日:2011-12-29

    申请号:US13254174

    申请日:2010-03-01

    IPC分类号: C08L25/06

    摘要: The invention relates to elastic expanded polymer foams and also a process for producing expanded polymer foams by sintering a mixture comprising foam particles P1 and P2 composed of different thermoplastic polymers or polymer blends, wherein the foam particles P1 are obtained by prefoaming expandable, thermoplastic polymer particles comprising A) from 45 to 97.9 percent by weight of a styrene polymer, B1) from 1 to 45 percent by weight of a polyolefin having a melting point in the range from 105 to 140° C., B2) from 0 to 25 percent by weight of a polyolefin having a melting point below 105° C., C1) from 0.1 to 25 percent by weight of a styrene-butadiene or styrene-isoprene block copolymer, C2) from 0.0 to 10 percent by weight of a styrene-ethylene-butylene block copolymer, D) from 1 to 15 percent by weight of a blowing agent, E) from 0 to 5 percent by weight of a nucleating agent, where the sum of A) to E) is 100% by weight.

    摘要翻译: 本发明涉及弹性膨胀聚合物泡沫,还涉及通过烧结由不同的热塑性聚合物或聚合物共混物组成的泡沫颗粒P1和P2的混合物来生产发泡聚合物泡沫的方法,其中泡沫颗粒P1是通过预发泡的可发泡热塑性聚合物颗粒 包括A)45至97.9重量%的苯乙烯聚合物,B1)1至45重量%的熔点在105-140℃的聚烯烃,B2)0-25重量% 熔点低于105℃的聚烯烃的重量,C1)0.1至25重量%的苯乙烯 - 丁二烯或苯乙烯 - 异戊二烯嵌段共聚物,C2)0.0至10重量%的苯乙烯 - 乙烯 - 丁烯嵌段共聚物,D)1〜15重量%的发泡剂,E)0〜5重量%的成核剂,其中A)与E)之和为100重量%。