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题名: A study on the thermodynamic properties of polyimide BTDA-ODA by adiabatic calorimetry and thermal analysis
作者: Song, YJ;  Meng, SH;  Wang, FD;  Sun, CX;  Tan, ZC
关键词: low temperature adiabatic calorimetry ;  polyimide ;  thermal analysis ;  thermodynamic property
刊名: JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
发表日期: 2002-08-01
卷: 69, 期:2, 页:617-625
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical ;  Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Polyimide BTDA-ODA sample was prepared by polycondensation or step-growth polymerization method. Its low temperature heat capacities were measured by an adiabatic calorimeter in the temperature range between 80 and 400 K. No thermal anomaly was found in this temperature range. A DSC experiment was conducted in the temperature region from 373 to 673 K. There was not phase change or decomposition phenomena in this temperature range. However two glass transitions were found at 420.16 and 564.38 K. Corresponding heat capacity increments were 0.068 and 0.824 J g(-1) K-1, respectively. To study the decomposition characteristics of BTDA-ODA, a TG experiment was carried out and it was found that this polyimide started to decompose at ca 673 K.
语种: 英语
WOS记录号: WOS:000177723200022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139079
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Beijing Inst Petrochem Technol, Sch Chem & Mat Engn, Beijing 102600, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Song, YJ,Meng, SH,Wang, FD,et al. A study on the thermodynamic properties of polyimide BTDA-ODA by adiabatic calorimetry and thermal analysis[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2002,69(2):617-625.
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