Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Patent
1976-05-11
1978-09-05
Cockeram, H.S.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant having at least one -n=c=x group as well as...
260830P, 260858, 528 58, C08G 1858
Patent
active
041119177
ABSTRACT:
The invention relates to certain urethanes or polyurethanes that are decomposed by heating in the range 100.degree.-200.degree. C to give reactive amines or polyamines that are useful for curing epoxy resins, polyisocyanates, polyacids, polyanhydrides, polyketones, polyhalides and others in a relatively short curing period, less than 2 hours and usually less than 10 minutes. These cured resins are useful as adhesives, sealants, coatings, etc. These latent amine groups may be part of a one component system comprising a self-curing epoxy-urethane resin curable by heating.
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Cockeram H.S.
Troffkin Howard J.
W. R. Grace & Co.
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