公开(公告)号：US20150274920A1

公开(公告)日：2015-10-01

申请号：US14661614

申请日：2015-03-18

Applicant: JSP CORPORATION

Inventor： Jumpei GOTO ,  Yota KUWADA

IPC: C08J9/228 ,  C08J9/14

CPC classification number: C08J9/228 ,  C08J9/141 ,  C08J9/18 ,  C08J9/224 ,  C08J9/232 ,  C08J2201/036 ,  C08J2203/14 ,  C08J2207/00 ,  C08J2333/12

Abstract: 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.

Abstract translation: 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℃。