Polymerization of Butyl Acrylate and Butyl Methacrylate in the Presence of o-Quinone Methacrylate

被引:7
作者
Shushunova, N. Yu [1 ]
Arsenyev, M. V. [1 ,2 ]
Glukhova, T. A. [1 ]
Zaitsev, S. D. [2 ]
Chesnokov, S. A. [1 ]
机构
[1] Russian Acad Sci, Razuvaev Inst Organometall Chem, Nizhnii Novgorod 603950, Russia
[2] Lobachevsky State Univ Nizhni Novgorod, Nizhnii Novgorod 603950, Russia
基金
俄罗斯基础研究基金会;
关键词
FRAGMENTATION CHAIN TRANSFER; RADICAL POLYMERIZATION; METHYL-METHACRYLATE; RAFT; DIOXYGEN; AGENTS;
D O I
10.1134/S1560090415030070
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 reactivity of o-quinone methacrylate (2-(2,5-di-tert-butyl-3,4-dioxocyclohexa-1,5-dienyloxy)ethyl methacrylate) in the radical copolymerization with butyl acrylate and butyl methacrylate and in the polymerization of these monomers in the presence of the nonpolymerizable analog of o-benzoquinone methacrylate, 4-methoxy-3,6-di-tert-butylbenzoquinone-1,2, have been investigated. It has been shown that o-quinone methacrylate, with methacrylate and quinone structural fragments, behaves as both a monomer and an inhibitor. The polydispersity coefficients of the polymers decrease to 1.19 as the quinone concentration increases. With the example of the model reaction of AIBN with 4-methoxy-3,6-di-tert-butylbenzoquinone-1,2, it has been shown that the main reaction product is phenol ether. A mechanism of the "pseudoliving" polymerization of butyl acrylate and butyl methacrylate in the presence of o-quinone methacrylate or its analog through the two-step inhibition of polymerization by a quinone molecule, macromonomer formation, and polymerization via the addition-fragmentation mechanism has been proposed. It has been found that the resulting polymers initiate postpolymerization.
引用
收藏
页码:207 / 216
页数:10
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