FUNCTIONAL MONOMERS AND POLYMERS .86. PHOTOCHEMICAL-REACTIONS ON SYNTHETIC-POLYMERS WITH PENDANT THYMINE BASES - EFFECT OF SOLVENTS

被引:33
作者
KITA, Y [1 ]
UNO, T [1 ]
INAKI, Y [1 ]
TAKEMOTO, K [1 ]
机构
[1] OSAKA UNIV,FAC ENGN,DEPT PETROCHEM,SUITA,OSAKA 565,JAPAN
关键词
OLIGOMERS - Microstructure - POLYMERIZATION - Photochemical Reactions - SOLVENTS - Chemistry - SPECTROSCOPY; ULTRAVIOLET; -; VISCOSITY;
D O I
10.1002/pol.1981.170190221
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
In the reported experiments, photodimerization of thymine bases present on the side chain of acryloyl and methacryloyl-type polymers was studied in dimethyl sulfoxide, dimethylformamide, and dimethyl sulfoxide-ethylene glycol mixture. Quantum efficiencies for photodimerization and quenching with isoprene were influenced by the solvents. The self-association of thymine bases estimated from their ultraviolet (UV) spectra and intrinsic viscosity were related to the effect of solvent on the photodimerization.
引用
收藏
页码:477 / 485
页数:9
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