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1. 发明授权

US06770681B2 Foamable copolymer resin and a method for preparing the same 有权
标题翻译：可发泡共聚物树脂及其制备方法
公开(公告)号：US06770681B2
公开(公告)日：2004-08-03
申请号：US10228161
申请日：2002-08-26
申请人： Suoyun Tang , Guohua Lu , Xiaohong Han , Jingwu Hong
发明人： Suoyun Tang , Guohua Lu , Xiaohong Han , Jingwu Hong
IPC分类号： C08J918
CPC分类号： C08J9/20 , C08J2203/06 , C08J2325/08
摘要： The application relates to a foamable copolymer resin and a process for preparing the same, which comprises firstly adding an organic peroxide initiator, a modifying aid and a foaming agent to a mixed monomers of methyl methacrylate and styrene so as to constitute a homogenous mixture; at the same tine charging a deionized water into a polymerization reactor and adding a dispersant hydroxy ethyl cellulose or hydroxylpropyl cellulose ether with stirring to produce a homogenous mixture, then sealing the reactor and introducing N2 gas to purge the reactor before the above homogenous monomer mixture is added; after the completion of the reaction the residue is washed with water and dewatered and dried, obtaining foamable pellets.
摘要翻译：本发明涉及可发泡共聚物树脂及其制备方法，其包括首先向甲基丙烯酸甲酯和苯乙烯的混合单体中加入有机过氧化物引发剂，改性助剂和发泡剂，以构成均匀的混合物; 以相同的方式将去离子水加入到聚合反应器中并在搅拌下加入分散剂羟乙基纤维素或羟丙基纤维素醚以产生均匀的混合物，然后密封反应器并引入N 2气体以在上述均匀单体混合物之前吹扫反应器添加; 反应完成后，残余物用水洗涤并脱水并干燥，得到可发泡颗粒。

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