PMMA-b-PHEMA纳米SiO2复合材料的制备与性能.pdfVIP

第33卷第7期 现代化工 jlIl、，2013 201 Mo(jer蚰Chellficallndustt,, ·63· 3年7月 复合材料的制备与性能 张 斯，黄海亮，易国斌’，林文静，曾学驰，赵志松 (广东工业大学轻工化工学院，广东广州510006) 摘要：采用分步法合成了聚甲基丙烯酸甲酯-6一聚甲基丙烯酸羟乙酯(PMMA—b—PHEMA)嵌段共聚物。采用硅烷偶联剂 共聚物与无机纳米Si02相容性良好，复合材料的热稳定性优于嵌段共聚物PMMA-b—PHEMA。 关键词：纳米二氧化硅；嵌段共聚物；复合材料；热性能 中图分类号：TB332 文献标志码：A 文章编号：0253—4320(2013)07—0063—05 and of materialsof composite Preparationproperties P^僵^僵A．b．PlⅢMA／nano．Sio， ZHANG Si，HUANGHai—liang，YIGuo-bin’，LINWen-jing．ZENGXue—chi．ZHAozK—song ofChemical and of (Faculty EngineeringIndustry，GuangdongUniversityTechnology， Light Guangzhou510006，China) block Abstract：The copolymerpoly(methylmethacrylate)-block·poly(hydroxyethyl two is reverseatomtransferradical PHEMA)issynthesizedthroughsteps．Firstly，PMMA—C1synthesizedby PMMA—C1isusedasmacroinitiatortoinitiate ofHEMA．Nano-silicais polymerization(RATRP)．Then polymerization activatedcommercialsilane KH-570andthenreactedwiththeblock by couplingagent copolymerpoly(methyl THF．The oftheblock and of methacrylate)in pmporties methacrylate)一block—poly(hydroxyethylcomposition polymer the arecharacterized andSEM．Theresultsshowthattheactivatednano-silica composites by1711-IR，1H-NMR，TGA，DTA is withblock