Synthesis and thermal properties of triblock copolymers of methyl methacrylate using combination of anionic and controlled radical polymerization: Poly(methyl methacrylate) center block bearing different microstructures

被引：0
|
作者：
Song, Zhengji [1 ]
Pelletier, Carole [1 ]
Qi, Yinghua [1 ]
Ahmed, Jasim [1 ]
Varshney, Sunil K. [1 ]
Mazumder, M. A. Jafar [1 ,2 ]
机构：
[1] Polymer Source Inc, Montreal, PQ H9P 2X8, Canada
[2] King Fahd Univ Petr & Minerals, Dept Chem, Dhahran 31261, Saudi Arabia
来源：
E-POLYMERS | 2012年
关键词：
THIN-FILM TRANSISTORS; DIBLOCK COPOLYMER; BUTYL ACRYLATE; PS-PMMA; POLYMERS; BEHAVIOR; BLENDS;
D O I：
暂无
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
ABA and/or ABC type triblock copolymers were synthesized by living anionic and controlled radical polymerization in which poly(methyl methacrylate) was used as central block. The structural composition of these block copolymers were determined by H-1 NMR. The block length/molecular weight and microstructure of these polymers were measured by SEC. The microstructure of resultant central alkyl methacrylate block can be tailored from highly syndiotactic to highly isotactic structure by varying the solvent and/or initiator. The thermal and rheological properties of center poly(methyl methacrylate) block and poly(styrene-b-methyl methacrylate-b-styrene) tri block copolymers were studied in detail.
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页数：15
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