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高性能聚酰亚胺树脂热固化过程及热分解机制的研究 被引量：2

THERMOSETTING PROCESS AND THERMAL DEGRADATION MECHANISM OF HIGH- PERFORMANCE POLYIMIDE
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摘要 用高分辨裂解气相色谱质谱（HR PyGC-MS）研究了以降冰片烯为端基的聚酰亚胺（PMRⅡ）的热固化过程和热分解行为. PMR-Ⅱ预聚体在330-390℃经不同时间(0-20h) 固化后， 根据其在315-590℃裂解产物的组成与分布， 讨论了聚酰亚胺树脂的热固化和热分解反应机制. The thermosetting process of norbornene-ended polyimide, PMR-Ⅱ, is investigated by high resolution pyrolysis gas chromatography mass spectrometry (HR PyGC-MS) in a temperature range of 315-590℃. The crosslinking reactions of PMR-Ⅱ under the temperature range of 330-390℃ for 0-20h are discussed based on the composition and distribution of the pyrolyzates related to the end groups of the polymer. Then the thermosetting pathway and thermal decomposition mechanism of PMR-Ⅱ polyimide are suggested.
作者 黄俐研 史燚 金熹高 杨士勇 胡爱军
机构地区 北京师范大学化学系 中国科学院化学研究所高分子物理与化学国家重点实验室 中国科学院化学研究所工程塑料国家重点实验室
出处 《北京师范大学学报（自然科学版）》 CAS CSCD 北大核心 2002年第1期84-89,共6页 Journal of Beijing Normal University(Natural Science)
基金 高分子物理与化学国家重点实验室(中国科学院化学研究所)科学基金资助项目(99-B-15)
关键词 聚酰亚胺树脂 热固化 热分解 高分辨裂解气相色谱-质谱 反应机制 结构组成 polyimide thermosetting process thermal degradation high resolution pyrolysis gas chromatography-mass spectrometry
分类号 TQ323.7 [化学工程—合成树脂塑料工业] O643.12 [理学—物理化学]
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参考文献10

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同被引文献13

  • 1Lachenal G, Stevenson I, Cellette N, et al.Near-infrared transmittance spectroscopy for radiochemical ageing of EPDM[J].Analyst,2001,(126):2201-2206.
  • 2Huang C F,Wang S K, Huang W J, et al.Homopolymerization and copolymerization of tert-butyl methacrylate and norbornene with nickel-based methylaluminoxane catalysts[J].Journal of Applied Polymer Science, 2004,(92):1824-1833.
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  • 7G W Ehrenstein. Hartung von reaktionsharzen das time-temperature-transition-diagramm[T].Unibersit(o)t Erlangen-Nürnberg, 2003,4:1-24.
  • 8L Nǘnez, F Fraga, A Castro, et al. TTT Cure diagram for an epoxy system diglycidyl ether of bisphenol A/1,2 diamine cyclphexane/calcium carbonate filler[J]. Polymer,2001,42:3581-3587.
  • 9X Ramis, A Cadenato, J M Morancho, et al. Curing of a thermosetting powder coating by means of DMTA,TMA and DSC[J].Polymer,2003,44:2067-2079.
  • 10Gao Jiawu, Shen Kui, Gao Zongmeng. The cure behavior of tetraglycidyl diaminodiphenyl methane with diaminodiphenyl sulfone[J]. Thermochimica Acta,2000,352-353:153-158.

引证文献2

二级引证文献5

北京师范大学学报（自然科学版）
2002年 第1期

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