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    • 51. 发明申请
    • EXPANDABLE ACRYLIC RESIN BEAD, EXPANDED ACRYLIC RESIN BEAD, FOAMED MOLDED ARTICLE OF EXPANDED ACRYLIC RESIN BEADS
    • 可膨胀的丙烯酸树脂珠,膨胀的丙烯酸树脂珠,膨胀的丙烯酸树脂珠的泡沫塑料制品
    • US20150274920A1
    • 2015-10-01
    • US14661614
    • 2015-03-18
    • JSP CORPORATION
    • Jumpei GOTOYota KUWADA
    • C08J9/228C08J9/14
    • C08J9/228C08J9/141C08J9/18C08J9/224C08J9/232C08J2201/036C08J2203/14C08J2207/00C08J2333/12
    • Provided are: expandable acrylic resin bead and expanded acrylic resin bead, both having excellent moldability and capable of providing a foamed molded article that generates less soot during combustion and has a low decomposition gas generation speed; and a foamed molded article obtained through in-mold molding the expanded acrylic resin beads.The expandable acrylic resin bead is composed of an acrylic resin and a physical blowing agent impregnated therein. The acrylic resin contains a methacrylic ester component (A) and an acrylic ester component (B). The content of the component (A) is 85 to 99 mol % with respect to a total 100 mol % of the component (A) and the component (B). At least one of the component (A) and the component (B) contains a component having a polycyclic saturated hydrocarbon group. The glass transition temperature of the acrylic resin is 112 to 125° C.
    • 提供:可膨胀丙烯酸树脂珠和膨胀丙烯酸树脂珠,其具有优异的成型性,并且能够提供在燃烧期间产生较少的烟灰并且具有低的分解气体产生速度的发泡模制品; 以及通过模制成型膨胀的丙烯酸树脂珠而获得的发泡成型体。 可膨胀的丙烯酸树脂珠粒由丙烯酸树脂和浸渍在其中的物理发泡剂组成。 丙烯酸树脂含有甲基丙烯酸酯组分(A)和丙烯酸酯组分(B)。 成分(A)的含量相对于成分(A)和成分(B)的合计100摩尔%为85〜99摩尔%。 组分(A)和组分(B)中的至少一种含有具有多环饱和烃基的组分。 丙烯酸树脂的玻璃化转变温度为112〜125℃。
    • 55. 发明授权
    • Process for the preparation of expandable polystyrene
    • 制备可发性聚苯乙烯的方法
    • US09120905B2
    • 2015-09-01
    • US14413452
    • 2013-06-25
    • Ineos Europe AG
    • Jean-Marc Galewski
    • C08J9/20C08J3/22C08J9/04C08J9/12C08J9/14C08J9/00
    • C08J9/141C08J3/22C08J9/0066C08J9/008C08J9/20C08J2201/024C08J2203/14C08J2325/06
    • A process for the preparation of expandable polystyrene (EPS) containing particles of carbon black and/or graphite is disclosed, comprising: (a) forming a masterbatch by adding carbon black and/or graphite to styrene polymer, (b) adding said masterbatch to an organic phase comprising styrene and optional comonomers, and heating the organic phase to a temperature between 30 and 90° C., (c) mixing the organic phase with an aqueous phase comprising water and suspending agents preheated to a temperature between 80 and 120° C. which is higher than the temperature of the organic phase, and (d) polymerizing in a suspension polymerization reaction the styrene and optional comonomers contained in the mixed aqueous and organic phases, with an expanding agent being added before, during or after the polymerization, wherein the styrene polymer in the masterbatch contains at least 1 000 ppm of dimers. The process gives an improved product.
    • 公开了一种制备含有炭黑和/或石墨颗粒的可发性聚苯乙烯(EPS)的方法,包括:(a)通过向苯乙烯聚合物中加入炭黑和/或石墨形成母料,(b)将所述母料加入到 包含苯乙烯和任选的共聚单体的有机相,并将有机相加热至30-90℃的温度,(c)将有机相与包含水的预混合有机相和预热至80℃和120℃之间的混合物混合 (d)在悬浮聚合反应中聚合苯乙烯和混合水相和有机相中任选的共聚单体,在聚合之前,期间或之后加入发泡剂 ,其中母料中的苯乙烯聚合物含有至少1000ppm的二聚体。 该过程提供了改进的产品。