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甲基丙烯酸酯嵌段共聚物的合成与表征
SYNTHESIS AND CHARACTERIZATION of BLOCKCOPOLYMERIZATION of METHACRYLATE

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甲基丙烯酸酯嵌段共聚物的合成与表征.pdf (121.2Kb)
Date
1998
Author
戴李宗
邹友思
郑洪涛
林国良
潘容华
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  • 化学化工-已发表论文 [14237]
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Abstract
研究了MMA和C7~9MA的阴离子共聚合,得到了A-b型嵌段共聚物。讨论了嵌段顺序、温度、引发剂及PC7~9MA-活性链长对MMA嵌段共聚的影响,认为,当第一嵌段单体为C7~9MA,T=-20℃,[I]=5.0~5.4x10-2MOl/l,Mn(PC7~9MA-)<1.6x104时,有利于PC7~9MA-b-PMMA嵌段共聚物的合成;采用gPC、Ir、nMr对所得嵌段共聚物进行了表征。
 
The anionic block copolymerization MMA and C7 ̄9Methacrylate(C7 ̄9MA) was studied using nBuLi as initiator.PC7 ̄9MAbPMMA copolymer was obtained.The inFluence of monomer sequence, temperature, initiator and active chain length of PC7 ̄9MA- were discussed on block copolymerization.When T=-20 ℃,=0.50 ̄0.54×10-2 mol/L, C7 ̄9MA as First monomer, PC7 ̄9MA- with  n ̄ 1.6×104 was Favorable to the synthesis of PC7 ̄9MA bPMMA block copolymer.The molecular weight and molecular weight distribution of copolymer were measured by GPC.The structure of block copolymer was characterized by FTIR and 1HNMR.
 
Citation
高分子材料科学与工程,1998,(4):35-37
URI
https://dspace.xmu.edu.cn/handle/2288/107513

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