Alkylsulfonyl Halides as Initiators of Cationic Polymerization of Oxazolines

被引：10

作者：

Blokhin, A. N. ^{[1
]}

Kurlykin, M. P. ^{[1
]}

Razina, A. B. ^{[1
]}

Dudkina, M. M. ^{[1
]}

Ten'kovtsev, A. V. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Macromol Cpds, St Petersburg 199004, Russia

来源：

POLYMER SCIENCE SERIES B | 2018年 / 60卷 / 04期

关键词：

THERMOSENSITIVE POLY(2-ISOPROPYL-2-OXAZOLINE) STARS; AQUEOUS-SOLUTIONS; SHAPED POLY(2-ISOPROPYL-2-OXAZOLINE); ARM LENGTH; POLYMERS; BEHAVIOR; NUMBER;

D O I：

10.1134/S1560090418040012

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The example of methanesulfonyl halides has shown the possibility of initiating cationic polymerization of 2-oxazolines by alkylsulfonic acid halides. Chain propagation rate constants and activation energy of the processes have been determined. The kinetic mechanisms suggest a slow initiation of polymerization followed by fast chain propagation. It has been shown that the polymerization of 2-ethyl-2-oxazoline initiated by aliphatic sulfonyl halides proceeds predominantly at the active centers of the ionic type. The synthesis of oligo(3-sulfonyl)methacrylate-graft-poly(2-isopropyl-2-oxazoline) is described as an example of using alkylsulfonyl halides for graft copolymers.

引用

页码：421 / 426

页数：6

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