Polymerization of methyl methacrylate in Winsor I-like system

被引：28

作者：

Loh, SE ^{[1
]}

Gan, LM ^{[1
]}

Chew, CH ^{[1
]}

Ng, SC ^{[1
]}

机构：

[1] NATL UNIV SINGAPORE, DEPT PHYS, SINGAPORE 117548, SINGAPORE

来源：

JOURNAL OF MACROMOLECULAR SCIENCE-PURE AND APPLIED CHEMISTRY | 1996年 / A33卷 / 03期

关键词：

methyl methacrylate; microemulsion polymerization; Winsor I-like system;

D O I：

10.1080/10601329608014326

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Methyl methacrylate (MMA) was polymerized in a ternary Winsor I-like system (WL) which was comprised of two clear phases: a microemulsion phase containing a cationic surfactant and a bulk MMA phase. The polymerization of MMA proceeded only in the microemulsion phase at the expense of the bulk MMA phase. The method is suitable for producing high molecular weights of PMMA (10(6)) with a relatively high weight ratio (8:1) of polymer to surfactant. Unlike styrene polymerization in a similar WL system, PMMA latex particles of nanosizes (30-60 nm in diameter) were rather polydispersed. Factors that affect the polydispersity of PMMA particles obtained by this WL method are discussed in conjunction with the nucleation mechanisms.

引用

页码：371 / 384

页数：14

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