KINETICS OF THE SYNTHESIS OF POLY(PHENYLENE SULFIDE)

被引：5
|
作者：
KOSCHINSKI, I [1 ]
REICHERT, KH [1 ]
TRAENCKNER, HJ [1 ]
机构：
[1] BAYER AG,W-5090 LEVERKUSEN 1,GERMANY
来源：
ANGEWANDTE MAKROMOLEKULARE CHEMIE | 1992年 / 201卷
关键词：
D O I：
10.1002/apmc.1992.052010102
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 kinetics of the polycondensation of Na2S . 3H2O and 1,4-dichlorobenzene to poly(phenylene sulfide) in 1-methyl-2-pyrrolidone as solvent was studied in a differential scanning calorimeter at temperatures from 220-degrees-C to 260-degrees-C. Stainless steel high-pressure capsules of 30 mul volume were used as micro reactors. The reaction is highly exothermic. At 220-degrees-C the enthalpy of reaction reaches a value of 180 kJ/mol. The polycondensation is characterized by an autocatalytic behaviour. The kinetics can be modelled by a second order equation with respect to the stoichiometrically charged monomers and a propagation rate constant being dependent on conversion. The activation energy of the polycondensation is 95 kJ/mol.
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页码：11 / 21
页数：11
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