Автор |
Siochi, E, J |
Автор |
Havens, S, J |
Автор |
Young, P, R |
Автор |
Hergenrother, P, M |
Дата выпуска |
1995 |
dc.description |
A controlled-molecular-weight LARCr'-CPI 2 poly(amide acid) was synthesized to investigate solution property changes that result from aging'Both dilute and concentrated solutions were aged at five temperatures and periodically analysed over a 33 d period. Various molecular weight parameters were obtained by gel permeation chromatography in combination with differential viscometry. Chemical changes were also followed by Fourier transform infrared spectroscopy. The temperatures used allowed the calculation of the energy of activation associated with changes in weight and number average molecular weights. |
Издатель |
Sage Publications |
Название |
Characterization of LARCTM-CPI 2 poly(amide acid) aging by gel permeation chromatography/differential viscometry |
Тип |
Journal Article |
DOI |
10.1088/0954-0083/7/1/005 |
Print ISSN |
0954-0083 |
Журнал |
High Performance Polymers |
Том |
7 |
Первая страница |
55 |
Последняя страница |
68 |
Аффилиация |
Siochi, E, J, Lockheed Engineering and Sciences Co., Hampton, VA 23666, USA |
Аффилиация |
Havens, S, J, Oak Ridge National Laboratory, Oak Ridge, TN 37831-8048, USA |
Аффилиация |
Hergenrother, P, M, NASA Langley Research Center, Hampton, VA 23681. USA |
Выпуск |
1 |
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