KINETICS OF THERMAL-DEGRADATION OF A COPOLYMER OF VINYLIDENE CYANIDE WITH CYANOVINYLACETATE

被引：3

作者：

RAIHANE, M ^{[1
]}

LALEQUE, N ^{[1
]}

BOINON, B ^{[1
]}

机构：

[1] UNIV ST ETIENNE, FAC TECH SCI, CHIM ORGAN & MACROMOLEC LAB, F-42023 ST ETIENNE 2, FRANCE

来源：

THERMOCHIMICA ACTA | 1995年 / 265卷

关键词：

GC-MS; KINETICS; THERMAL DEGRADATION; TGA; VINYLIDENE CYANIDE CYANOVINYLACETATE COPOLYMER;

D O I：

10.1016/0040-6031(95)02289-E

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The kinetics of the thermal degradation of a copolymer of vinylidene cyanide and cyanovinylacetate has been investigated by thermogravimetric analysis and GC-MS coupling,The volatile compounds evolved are chiefly ethanoic acid and CVA monomer in minor amounts. A kinetic model of an elimination reaction, with a strongly autocatalytic character, allows a very good fit of the experimental data with the theoretical curves. The kinetic law is d alpha/dt = k(alpha + C)(A - alpha) where A and C are constants for every temperature. The activation energy has been found to be 129.3 kJ mol(-1) and the pre-exponential factor is 1.3 x 10(12) min(-1).

引用

页码：1 / 13

页数：13

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