✦ LIBER ✦

Hydrogen bonding in polyamide toughened novolac type phenolic resin

✍ Scribed by Feng-Yih Wang; Chen-Chi M. Ma; Hew-Der Wu

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 252 KB
Volume: 74
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19991128)74:9<2283::aid-app18>3.0.co;2-x

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✦ Synopsis

The hydrogen bonding, miscibility, and thermal stability of polyamide toughened novolac type phenolic resin were investigated. The intermolecular force of the resin increased with the content of the soft segments of polyamides (nylon 6, nylon 66) that absorb the loads in the network of brittle phenolic resin. IR (IR region) spectra and differential scanning calorimetry results confirmed that the phenolic/polyamide blend was completely miscible. Its thermal degradation temperature was higher than 400°C and increased with the increasing of polyamide content.

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