Preparation of multihollow P(St-MAA) particles by sequence soap-free/soap emulsion polymerization and followed by stepwise alkali/acid posttreatment

查看全文 作　　者：Rong Long [1]Li;Cheng You [1]Kan;Ze Ping [1]Li;Yi [1]Du;Yan Nan [1]Cui

机构地区：[1]Department of Chemical Engineering and Key Laboratory of Advanced Materials of Ministry of Education,Tsinghua University,Beijing 100084,China

出　　处：《Chinese Chemical Letters》索引2007年第18卷第6期,共3页

摘　　要：The effects of ionic emulsifier, sodium dodecylbenzene sulfate (SDBS), on the formation of the multihollow structures in sub-micron sized polymer particles produced by alkali/acid posttreatment were investigated. The original latex particles with narrow size distribution were synthesized by a new sequence emulsifier-free/emulsifier emulsion copolymerization of styrene (St) and methacrylic acid (MAA). Results indicated that the pore size decreased and the pore number increased with the increase of SDBS amount, and the morphology of the posttreated latex particles was also significantly influenced by the introducing time of SDBS in the preparation of the original latex particles, and a suitable introducing time was 3 h of polymerization. 关键词：MultihoUow LATEX PARTICLES Morphology Emulsion polymerization EMULSIFIER

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Preparation of multihollow P(St-MAA) particles by sequence soap-free/soap emulsion polymerization and followed by stepwise alkali/acid posttreatment

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