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
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.
Butikofer Pierre-Andre
Pfenninger Ueli
Gorr Rachel
Sika AG vorm. Kaspar Winkler & Co.
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