石油化工应用
石油化工應用
석유화공응용
PETROCHEMICAL INDUSTRY APPLICATION
2012年
4期
77-80
,共4页
原子转移自由基聚合%聚电解质%纳米复合材料
原子轉移自由基聚閤%聚電解質%納米複閤材料
원자전이자유기취합%취전해질%납미복합재료
atom transfer radical polymerization%polyelectrolyte%nanocomposites
利用SiO2引发剂通过表面原子转移自由基聚合(SI-ATRP)的方法,合成了SiO2-grafted PSStNa的纳米复合材料。该纳米复合材料不仅具有核壳结构,而且是表面富集大量负电荷的"聚电解质刷"。并用X-射线光电子能谱(XPS)、透射电镜(TEM)和热分析(TGA)等对其进行了表征。
利用SiO2引髮劑通過錶麵原子轉移自由基聚閤(SI-ATRP)的方法,閤成瞭SiO2-grafted PSStNa的納米複閤材料。該納米複閤材料不僅具有覈殼結構,而且是錶麵富集大量負電荷的"聚電解質刷"。併用X-射線光電子能譜(XPS)、透射電鏡(TEM)和熱分析(TGA)等對其進行瞭錶徵。
이용SiO2인발제통과표면원자전이자유기취합(SI-ATRP)적방법,합성료SiO2-grafted PSStNa적납미복합재료。해납미복합재료불부구유핵각결구,이차시표면부집대량부전하적"취전해질쇄"。병용X-사선광전자능보(XPS)、투사전경(TEM)화열분석(TGA)등대기진행료표정。
We described the surface-initiated atom transfer radical polymerization (SI-A- TRP) of sodium 4-styrenesulfonate using silica particle bromo-propionyl as macroinitiator to synthesize polymer nanocomposites of core-shell structure. They have the strong charge controlled "spherical polyelectrolyte brush", a negatively charged polyelectrolyte. These new organic inorganic hybrid particles have been extensively characterized by XPS (X-ray Photoelectron Spectroscopy), TEM (Transmission Electron Microscopy), and TGA(Thermo Gravimetric Analysis).