PHOTOPOLYMERIZATION OF VINYL MONOMERS USING BENZOPHENONE-TETRAHYDROFURAN INITIATION SYSTEM AND ALDEHYDES AT LOW-TEMPERATURES

被引:7
作者
MATSUZAWA, S
YAMAURA, K
YAMADA, S
SHINKE, Y
NAKANO, Y
KOIKE, Y
机构
[1] Shinshu Univ, Ueda, Jpn, Shinshu Univ, Ueda, Jpn
关键词
POLYMERIZATION - POLYMETHYL METHACRYLATE - Synthesis;
D O I
10.1002/app.1988.070350208
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 photopolymerizations of vinyl trifluoroacetate (VTFAc), vinyl acetate (VAc), and methyl methacrylate (MMA) using the initiation system benzophenone-tetrahydrofuran were studied at low temperatures. At minus 78 degree C the rate of polymerization of VTFAc was higher than that of VAc, while MMA, which was solidified, did not polymerize. After melting the irradiated solid mixture the polymerization occurred at 4 degree C. The photoinduced polymerization of VTFAc occurred in the presence of butylaldehyde or isobutylaldehyde at minus 70 degree C. The degrees of polymerization and syndiotacticities of the polymers prepared were investigated.
引用
收藏
页码:391 / 396
页数:6
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