One-part solvent-free thermosettable blocked prepolymer composit

Details One-part solvent-free thermosettable blocked prepolymer composit One-part solvent-free thermosettable blocked prepolymer composit

1983-06-16

1984-09-11

Welsh, Maurice J.

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...

427369, 427370, 4273855, 4284231, 528 61, 528 65, 528 66, 528 73, 528 75, C08G 1810

Patent

active

RE0316709

ABSTRACT:
A one-part, solvent free, thermosettable adhesive and coating composition comprising a prepolymer terminated with blocked isocyanate groups and having a melting point below 95.degree. C., a difunctional amine or alcohol which is soluble in the prepolymer at 95.degree. C., a monofunctional amine or alcohol which is soluble in the prepolymer at 95.degree. C., with at least one of the foregoing bearing [furyl or furfuryl] dienyl substituents, and a bis-dieneophile.

REFERENCES:
patent: 3435003 (1969-03-01), Craven
patent: 3808160 (1974-04-01), Steinmetz
"Adhesion and Bonding", Enc. of Polymer Science and Technology, 1, 486, Interscience, 1964.
Levine and Tech Jr., J. Org. Chem., 37, 1500 (1972).
Levine and Fech Jr., J. Paint Tech., 45, (578) 56 (1973).
"Blocked Isocyanates", Z. W. Wicks Jr., Progress in Organic Coatings, 3 (1975) 73-99.

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