Synthesis of Ethylene-Vinyl Acetate Copolymers by Reversible Addition-Fragmentation Chain-Transfer Radical Polymerization

被引：0
|
作者：
Karpov, G. O. [1 ]
Morontsev, A. A. [1 ]
Ilyin, S. O. [1 ]
Sultanova, M. U. [1 ]
Samoilov, V. O. [1 ]
Bermeshev, M. V. [1 ]
机构：
[1] Russian Acad Sci, Topchiev Inst Petrochem Synth, Moscow 119991, Russia
来源：
RUSSIAN JOURNAL OF APPLIED CHEMISTRY | 2023年 / 96卷 / 01期
关键词：
ethylene-vinyl acetate copolymers; RAFT polymerization; radical copolymerization; depressor additives; diesel fuels;
D O I：
10.1134/S1070427223010081
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Reversible addition-fragmentation chain-transfer radical copolymerization of ethylene with vinyl acetate in the presence of azobis(isobutyronitrile) and xanthate as a chain-transfer agent was studied. Products containing 12-42 mol % vinyl acetate units were prepared under varied reaction conditions. The glass transition points and degradation temperatures of the polymers were determined. The rheological properties of ethylene-vinyl acetate copolymers were studied in detail. The effect of additions of the copolymers synthesized on the rheological characteristics of diesel fuel was evaluated. The ethylene-vinyl acetate copolymers synthesized reduce the limiting filterability temperature of the diesel fuel.
引用
收藏
页码：50 / 58
页数：9
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