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Thermal characterization of diglycidyl ether of bisphenol‐A/phosphorus containing amines
Author(s) -
Jain Preeti,
Choudhary Veena,
Varma I. K.
Publication year - 2001
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1450
Subject(s) - diglycidyl ether , curing (chemistry) , bisphenol a , phosphine oxide , polymer chemistry , sulfone , ether , thermal stability , amine gas treating , chemistry , formaldehyde , char , epoxy , nuclear chemistry , materials science , phosphine , organic chemistry , pyrolysis , catalysis
In order to improve the thermal resistance of diglycidyl ether of bisphenol‐A (DGEBA), phosphorus‐containing di‐ and tri‐amines, i.e., bis (3‐aminophenyl) methyl phosphine oxide (B) and tris (3‐aminophenyl) phosphine oxide (T), were used as curing agents. The effect of phosphorus content on the curing characteristics and char residue of cured resins in nitrogen atmosphere was evaluated by using different molar ratios of conventional curing agent, i.e. 4, 4′‐diaminodiphenyl sulfone (D) and amine B or T. Activation energy of curing, as evaluated by using the multiple heating rate method, was lowest when triamine T (61.0 kJmol −1 ) was used as hardener and was highest when D (68.7 kJmol −1 ) was used. © 2001 John Wiley & Sons, Inc. J Appl Polym Sci 81: 390–395, 2001