Patent ID: 9556306
Date: 2017-01-31
CPC Classifications: C08G,C08J,C08K,C08L

Claim:
1. A composition, comprising one or more reaction products of an amount of: an epoxy resin of formula (I): a first diamine curing agent selected from the group consisting of 4,4′-sulfonyldianiline, 4,4′-thiodianiline, 3,3′-((sulfonylbis(4,1-phenylene))bis(oxy))dianiline, 4,4′-(1,4-phenylenedisulfonyl)dianiline, 4,4′-((sulfonylbis(4,1-phenylene))bis(oxy))dianiline, 4,4′-((propane-2,2-diylbis-(4,1-phenylene))bis(oxy))-dianiline, and 4,4′disulfanediyldianiline; and a second diamine curing agent different than the first diamine curing agent, wherein a ratio of first diamine curing agent to second diamine curing agent is about 9:1 by weight.