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The effect of the curing agent content on the curing and liquid-crystalline phase of liquid-crystalline epoxy resin

โœ Scribed by Soon Man Hong; Seung Sang Hwang; Jun Yeob Lee

Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
332 KB
Volume
39
Category
Article
ISSN
0887-6266

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โœฆ Synopsis

The effect of the curing agent content on the curing behavior and liquidcrystalline (LC) phase of the liquid-crystalline epoxy (LCE) resin 4,4ะˆ-di(2,3-epoxypropyloxy)phenyl benzoate was studied. Diaminodiphenylester (DDE) was used as a curing agent. The curing behavior was observed via differential scanning calorimetry, and the LC phase was investigated with a polarized optical microscopy. The LC phase in the LCE/DDE mixture with a high DDE content was developed during curing. The onset time was inversely proportional to the DDE content. The mesophase stability of LCE/ DDE was enhanced by the addition of large amounts of DDE.

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