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采用原位乳液接枝法,制备乙烯基三乙氧基硅烷(VTES)接枝的丁苯橡胶.分别用凝胶含量和红外光谱(FTIR)研究了接枝产物的形成机理.考察了VTES的接枝效率和橡胶中的硅含量,并比较了接枝产物机械性能和热性能的变化.结果表明,VTES的接枝效率高达87%,接枝丁苯橡胶的拉伸强度提高了30.3%,耐热温度提高了5.16℃左右.

参考文献

[1] 崔小明.2006年世界主要国家和地区合成橡胶生产能力[J].橡胶科技市场,2007(10):37-38.
[2] Arayapranee W;Prasassarakich P;Rempel GL .Factorial experimental design for graft copolymerization of styrene and methyl methacrylate onto styrene-butadiene rubber[J].Journal of Applied Polymer Science,2006(4):2867-2874.
[3] Dai-shuang Li,JING Peng,Xiao-hong Zhang,Jin-liang Qiao,Jiu-qiang Li,Gen-shuan Wei.THE PREPARATION AND CHARACTERIZATION OF SBR/PS CORE-SHELL PARTICLES BY GAMMA IRRADIATION[J].高分子科学(英文版),2005(03):261-264.
[4] Botros SH;Tawfik SY .Improvement of homogeneity of SBR/CR rubber blends with SBR-g-AA grafted rubber[J].Polymer-Plastics Technology and Engineering,2006(7):829-837.
[5] Jazani OM;Azar AA .Blends of poly(ethylene terephthalate) bottle waste with modified styrene butadiene rubber through reactive mixing[J].Journal of Applied Polymer Science,2006(2):1615-1623.
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