Synthesis of poly(t-butyl acrylate)-b-poly(2-Dimethylamino) ethyl methacrylate and preparation of shell cross-linked micelles via self-assembly，2009先进纤维与聚合物材料国际学术会议（ICAFPM，10.21-10.24，上海）-中国聚合物网,论文下载

Synthesis of poly(t-butyl acrylate)-b-poly(2-Dimethylamino) ethyl methacrylate and preparation of shell cross-linked micelles via self-assembly

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ATRP amphiphilic block copolymers self-assemble shell cross-linked
micelle

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588K

所属学科：

分子表征

来源：

2009先进纤维与聚合物材料国际学术会议（ICAFPM，10.21-10.24，上海）

简介：

Poly(t-butylacrylate)-b-poly(2-Dimethylamino)ethylmethacrylate(PtBA-b-PDMAEMA)withdifferentproportionsoftwomonomerswerepreparedbyatomtransferradicalpolymerization(ATRP)using1-Chlorophenylethane(1-PECl)asinitiatorandCuCl/N,N,N’,N”,N”-Pentamethyldiethylenetriamine(PMDETA)ascatalystinthemixturesolventofbutanoneand2-propanol.ThestructuresofPtBA-b-PDMAEMAwerecharacterizedby1HNMR.Themolecularweightsandpolydispersityindexes(PDI)oftheblockcopolymersweredeterminedbygelpermeationchromatography(GPC).Theamphiphilicblockcopolymers(PtBA-b-PDMAEMA)self-assembleintomicellesinaselectivesolvent.ThestructuresofthemicelleswereinvestigatedbyTEM.Shellcross-linked“knedel”(SCK)micellesweresynthesizedbyusingabifunctionalcross-linker,1,2-bis-(2-iodoethoxy)ethane(BIEE).Thesizesofmicelleswithdifferentcontentsofcross-linkeragentwerechanged.Thetemperature-sensitivebehaviorofSCKmicelleswasinvestigated.

作者：

AI Changjun, ZHANG Xiaohui, MA Jinghong, XU Jian

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2010-03-26 13:39:25

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