Cyanate esters based on cardanol modified-phenol-formaldehyde resins: Syntheses and thermal characteristics

Cardanol incorporated‐phenol‐formaldehyde novolac resins were synthesized by acid and base catalyzed reactions. The novolacs were transformed to their cyanate esters. The thermal cure characteristics of the cyanate esters depended upon the composition. The presence of cardanol proportionately facili...

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Bibliographic Details
Published in:Journal of polymer science. Part A, Polymer chemistry Polymer chemistry, 1995-03, Vol.33 (4), p.621-627
Main Authors: Nair, C. P. Reghunadhan, Bindu, R. L., Joseph, V. C.
Format: Article
Language:English
Subjects:
Applied sciences
cardanol
cyanate ester
cyclotrimerization
Exact sciences and technology
matrix resin
Organic polymers
phenol formaldehyde resin
phenolic-triazine
Physicochemistry of polymers
Polycondensation
Preparation, kinetics, thermodynamics, mechanism and catalysts
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Summary:Cardanol incorporated‐phenol‐formaldehyde novolac resins were synthesized by acid and base catalyzed reactions. The novolacs were transformed to their cyanate esters. The thermal cure characteristics of the cyanate esters depended upon the composition. The presence of cardanol proportionately facilitated the curing. The thermal characterization of the novolacs and the corresponding cured phenolic‐triazine networks indicated a dedicated a detremental effect of cardanol on the thermal stability and char residue of the resins. © 1995 John Wiley & Sons, Inc.
ISSN:0887-624X
1099-0518
DOI:10.1002/pola.1995.080330403