Reversible addition-fragmentation transfer polymerization in the presence of MMT immobilized amphoteric RAFT agent

被引：35

作者：

Zhang, BQ ^{[1
]}

Pan, CY ^{[1
]}

Hong, CY ^{[1
]}

Luan, B ^{[1
]}

Shi, PJ ^{[1
]}

机构：

[1] Univ Sci & Technol China, Dept Polymer Sci & Engn, Hefei 230026, Anhui, Peoples R China

来源：

MACROMOLECULAR RAPID COMMUNICATIONS | 2006年 / 27卷 / 02期

关键词：

montmorillonite; nanocomposites; polymer brush; polymerization; reversible addition-fragmentation transfer (RAFT);

D O I：

10.1002/marc.200500674

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A novel reversible addition-fragmentation transfer (RAFT) agent, 10-carboxylic acid-10-dithiobenzoate-decyltrimethylammonium bromide (CDDA), was synthesized and intercalated into montmorillonite (MMT). Successively, the CDDA-intercalated MMT was used Lis RAFT agent in the in Situ RAFT polymerization for preparation of the polystyrene/MMT nanocomposites. After separation of MMT, the polymers obtained have predictable molecular weight and narrow polydispersity. XRD spectra and TEM images of the nanocomposites demonstrated exfoliated structure. Thermal stability of the composites has been noticeably improved.

引用

页码：97 / 102

页数：6

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