%0 Journal Article
%T EFFECT OF SiO2 PARTICLES ON PHASE-SEPARATION OF POLY(METHYL METHACRYLATE)/POLY(STYRENE-co-ACRYLONITRILE) BLENDS<br>SiO2粒子对PMMA/SAN共混体系相分离行为的影响
%A WU Qiang
%A DU Miao
%A PENG Mao
%A ZUO Min
%A ZHENG Qiang
%A <br>吴强
%A 杜淼
%A 彭懋
%A 左敏
%A 郑强
%J 高分子学报
%D 2007
%I 
%X The effect of fumed silica(SiO_2) particles on the phase behavior of poly (methyl methacrylate)(PMMA)/poly(styrene-co-acrylonitrile)(SAN) blends was studied by using small angle laser light scattering(SALLS) and dynamic rheology.The phase diagram of PMMA/SAN blends unfilled and filled with SiO_2 particles was obtained.The results revealed that the influence of SiO_2 particles on the phase separation behavior of the blend matrix was related to the components of PMMA/SAN blends.Comparing with the 60/40(W/W) PMMA/SAN blends,the addition of a small amount of SiO_2 particles could increase the phase-separation temperature(T_s) and could hardly result in the changes of phase separation mechanism,namely,both filled and unfilled blends obeyed the spinodal decomposition mechanism.However,for 30/70 PMMA/SAN blends,the addition of SiO_2 particles decreases T_s.This phenomenon was attributed to the component difference between the surface of SiO_2 particles and the matrix of PMMA/SAN blends.
%K Poly(methyl methacrylate)/poly(styrene-co-acrylonitrile) blends
%K Fumed SiO_2 pariticle
%K Phase separation
%K Small angle laser lighting scatter
%K Dynamic rheological behavior<br>聚甲基丙烯酸甲酯/聚(苯乙烯-丙烯腈)共混物
%K 气相法SiO2粒子
%K 相分离
%K 小角激光光散射
%K 动态流变行为
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=6579068328FE643F&jid=15971983683C7643EE80F1CE621DEB60&aid=2F4212118E87D416&yid=A732AF04DDA03BB3&iid=38B194292C032A66&sid=E089FDF3CDAE8561&eid=F8035C8B7D8A4264&journal_id=1000-3304&journal_name=高分子学报&referenced_num=0&reference_num=18