Structure evolution and properties in a rigid polyimide prepared from its flexible poly(amic acid) precursor

Moonhor Ree, Sung Ho Woo, Tae Joo Shin, Kyungjun Kim, Heesook Chang, Wang Cheol Zin, Ki Bong Lee, Yong Joon Park

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Soluble poly(p-phenylene biphenyltetracarboxamic acid) precursor was converted to the polyimide by thermal imidization at various conditions. The structure evolution being occurred during its thermal imidization over 25-400°C was investigated as a function of imidization temperature and time by X-ray scattering with synchrotron radiation sources of Pohang Accelerator Laboratory in Korea and with conventional radiation sources. In addition, properties in the polyimide films were investigated by dynamic mechanical thermal analysis, stress-strain analysis, prism coupling, and residual stress analysis.

Original languageEnglish
Pages (from-to)213-220
Number of pages8
JournalMacromolecular Symposia
Volume118
DOIs
StatePublished - Jun 1997

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