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以α-溴代异丁酸叔丁酯(BIBTB)为引发剂,二乙烯苯(DVB)为支化单体,苯乙烯(St)和丙烯腈(AN)为共聚单体,CuBr/2,2'-联二吡啶(Bpy)为催化体系,对60 ℃经原子转移自由基聚合(ATRP)原位生成自引发单体合成支化苯乙烯-丙烯腈共聚物进行了研究.用1H-NMR、GPC、MALLS、FT-IR分别对聚合反应过程和聚合物进行了表征和分析.结果表明,可以由二乙烯苯为支化单体合成支化苯乙烯-丙烯腈共聚物,以多角激光散射法测定的聚合物绝对分子质量(M)w.MALLS达105以上.

参考文献

[1] 魏焕郁,施文芳.超支化聚合物的结构特征、合成及其应用[J].高等学校化学学报,2001(02):338-344.
[2] C.Gao;D.Yan .Hyperbranched polymers:from synthesis to applications[J].Progress in Polymer Science,2004(3):183-275.
[3] Frechet JMJ;Henmi M;Gitsov I;Aoshima S;Leduc MR;Grubbs RB .SELF-CONDENSING VINYL POLYMERIZATION - AN APPROACH TO DENDRITIC MATERIALS[J].Science,1995(5227):1080-1083.
[4] Gaynor S;Edelman S;Matyjaszewski K .[J].Macromolecules,1996,29(03):1079-1081.
[5] Durairaj Baskaran .Hyperbranched polymers from divinylbenzene and 1,3-diisopropenylbenzene through anionic self-condensing vinyl polymerization[J].Polymer: The International Journal for the Science and Technology of Polymers,2003(8):2213-2220.
[6] Krzysztof Matyjaszewski;Jianhui Xia .Atom Transfer Radical Polymerization[J].Chemical Reviews,2001(9):2921-2990.
[7] 汤红兰,龚方红,任强,蒋必彪.原位生成自引发单体合成超支化聚合物研究[J].高分子材料科学与工程,2006(06):83-86.
[8] Weimer MW.;Gitsov I.;Frechet JMJ. .Importance of active-site reactivity and reaction conditions in the preparation of hyperbranched polymers by self-condensing vinyl polymerization: Highly branched vs. linear poly[4-(chloromethyl)styrene] by metal-catalyzed "living" radical polymeriza[J].Journal of Polymer Science, Part A. Polymer Chemistry,1998(6):955-970.
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