%0 Journal Article
%T SYNTHESIS AND CHARACTERIZATION OF MICROGEL CORE-SHELL POLYSTYRENE MICROPARTICLES<br>“核-壳”结构微交联聚苯乙烯微粒的合成与表征
%A LI Ze-wen
%A YANG Bai
%A SHEN Jia-cong
%A <br>李泽文
%A 杨柏
%A 沈家骢
%J 高分子学报
%D 1993
%I 
%X In this paper, narrow dispersing core-shell microparticles was synthesized by composite emulsion polymerization, with particle size 70-160nm. The core/shell structure of microgel was observed and determined by TEM clearly. Main factors influencing microgel's structure were discussed by HPTLC densitometry, TEM, GPC and viscosity method etc. . Experimental results showed that when bisvinyl-A is 1-4%(wt. ) of monomer I , first-stage polymerizing time is 2h, the core-shell microparticles will be obtained which having apparent viscosity value 140-165ml/g and containing 8 - 16% linear PS. The shell was mainly composed of branching chain linking to core.
%K Composite emulsion polymerization
%K Core-shell structure
%K Microgel polystyrene microparticle<br>复合乳液聚合
%K 核－壳结构
%K 聚苯乙烯
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=6579068328FE643F&jid=15971983683C7643EE80F1CE621DEB60&aid=14199F8D059E0595&yid=D418FDC97F7C2EBA&iid=E158A972A605785F&sid=A48DE16C07AAAB06&eid=0A0BD3F594F876C0&journal_id=1000-3304&journal_name=高分子学报&referenced_num=1&reference_num=3