Organic compounds -- part of the class 532-570 series – Organic compounds – Isocyanate esters
Patent
1985-04-29
1986-05-20
Brust, Joseph Paul
Organic compounds -- part of the class 532-570 series
Organic compounds
Isocyanate esters
560 2, 560 3, 560 4, C07C11800, C07C 6762, C07C 6900
Patent
active
045900094
ABSTRACT:
Hydrazine is utilized for preventing side reactions during the preparation and storage of polyisocyanates partially blocked with hydroxy amines which are utilized for the introduction of basic functional groups into organic coating compositions which are deposited cathodically in an electrodeposition process. The inhibiting compound is used in the form of hydrazine hydrate at a level of from about 50 to 5000 ppm calculated on the amine used in the reaction.
REFERENCES:
patent: 3226413 (1965-12-01), Smith
patent: 4089835 (1978-05-01), Konig et al.
patent: 4238594 (1980-12-01), Pampouchidis
Deu Herbert
Pampouchidis Georg
Breiner A. W.
Brust Joseph Paul
Vianova Kunstharz A.G.
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