Latent amino groups and isocyanate groups comprising polyurethan

Details Latent amino groups and isocyanate groups comprising polyurethan Latent amino groups and isocyanate groups comprising polyurethan

1999-03-31

2000-10-24

Gorr, Rachel

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...

528 62, 528 64, 544335, 2521822, 5483341, 564 47, 564 50, C08G 1832

Patent

active

06136942&

ABSTRACT:
A one-component polyurethane composition is described that comprises a latent curing agent bonded to the prepolymer, from which curing agent aldehyde is liberated upon curing. Said aldehyde comprises two phenyl groups. By the specific design of the polyurethane composition, the application characteristics as well as the aging resistance of the cured polyurethane are improved.

REFERENCES:
patent: 4404379 (1983-09-01), Hajek et al.
patent: 4853454 (1989-08-01), Merger et al.

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