TEMPERATURE-DEPENDENCE OF THE RADIATION-CHEMISTRY OF POLYMERS

被引：0
|
作者：
GARRETT, RW [1 ]
HILL, DJT [1 ]
LE, TT [1 ]
MILNE, KA [1 ]
ODONNELL, JH [1 ]
PERERA, SMC [1 ]
POMERY, PJ [1 ]
机构：
[1] UNIV QUEENSLAND, DEPT CHEM, POLYMER MAT & RADIAT GRP, BRISBANE, QLD 4072, AUSTRALIA
来源：
ACS SYMPOSIUM SERIES | 1991年 / 475卷
关键词：
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The temperature dependence of main-chain scission and mass loss by depropagation to monomer has been determined for gamma-irradiation of poly(methyl methacrylate), poly(phthalaldehyde), poly(isobutene) and poly(alpha-methyl styrene). Radiation greatly enhanced the thermal degradation. The yield of main-chain scission also increased markedly with temperature, particularly when the calculation of G(scission) was corrected for the decreasing dose rate due to the mass loss. The behaviour of these polymers was compared with polystyrene and poly(arylene sulfone).
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页码：146 / 155
页数：10
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