Kinetics of thermal degradation of poly(methyl methacrylate) studied with the assistance of the fractional conversion at the maximum reaction rate

被引：67
作者：
Gao, ZM
Kaneko, T
Hou, DY
Nakada, M
机构：
[1] Beijing Inst Technol, Dept Chem, Sch Sci, Beijing 100081, Peoples R China
[2] Chiba Inst Technol, Dept Chem, Narashino, Chiba 2750023, Japan
[3] Anshan Normal Coll, Dept Chem, Anshan 114000, Liaoning, Peoples R China
来源：
POLYMER DEGRADATION AND STABILITY | 2004年 / 84卷 / 03期
关键词：
PMMA; thermal degradation; kinetics; reaction order; compensation effect;
D O I：
10.1016/j.polymdegradstab.2003.11.015
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
One-stage degradation process was observed for a poly(methyl methacrylate) (PMMA) sample. The fractional conversion alpha(max) at the maximum reaction rate is thus applied to determine reaction order of the thermal degradation. It is found that the PMMA degraded in the first order kinetics with weight loss. This is consistent with the fact that PMMA thermally degrades into its monomer. Activation energy was calculated. Compensation effect of the Arrhenius parameters is also found. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：399 / 403
页数：5
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