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Preparation of Functional SiO2/PS/PGMA Composite Nanoparticles  
Preparation of Functional SiO2/PS/PGMA Composite Nanoparticles
资料类型: Word文件
关键词: Preparation  Functional  SiO  PGMA  Composite  Nanoparticles  
资料大小: 1262K
所属学科: 分子表征
来源: 2004第三届东亚高分子国际学术会议(6.6-6.9,成都)
简介:
Severalworkshavebeendonewithrespecttoimprovingthedispersibilityofnanometerparticlesinsolventsandtheircompatibilitywithpolymermatricesbygraftingpolymersontothesurfaceoftheparticles.Anewidea,increasingthecompatibilityofcompositenanoparticleswithpolymermatrixbygraftingfunctionalgroups,whichcanreactwithmatrix,ontothesurfaceofparticles,wasbroughtforwardforthefirsttime.Theoutermostshelloftheobtainedmulti-layeredcore-shellparticlesismadeupofPGMA,whichisdifferentfromtheworkdonebyotherresearchers.GMAcontainingexopylgroups,whichcanreactwithmanyothergroups,willlargelyextendtheapplicationfieldsofcompositenanoparticles.Thecontentofthefunctionalmonomer,GMA,inthecompositeparticlesisexpectedtobecontrollable,whichhasbeenachievedbychangingtheconditionsofpreparationinourwork.Inaddition,theeffectsofpolymerizingconditionsonthegraftingreaction,includingthecontentofSiO2,theconcentrationandtypeofsurfactants,waysofmonomerfeeding,thesystemtemperaturewhenaddingtheinitiatorwerepresented.
作者: Zhong Zeng, Jian Yu and Zhaoxia Guo
上传时间: 2007-09-26 17:00:38
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