Organic compounds -- part of the class 532-570 series – Organic compounds – Isocyanate esters
Patent
1989-01-10
1989-07-25
Siegel, Alan
Organic compounds -- part of the class 532-570 series
Organic compounds
Isocyanate esters
C07C 6900
Patent
active
048515671
ABSTRACT:
This invention relates to N,N'-bis(5-isocyanatonaphthyl)urea and a process for its preparation by hydrolysis of naphthalene-1,5-diisocyanate. This invention also relates to a method for preparing a polyurethane or polyurea comprising reacting N,N'-bis(5-isocyanatonaphthyl)urea with an NCO-reactive compound.
REFERENCES:
patent: 2757185 (1966-07-01), Barthel
Grogler Gerhard
Hess Heinrich
Kopp Richard
Ruckes Andreas
Bayer Aktiengesellschaft
Gil Joseph C.
Harsh Gene
Henderson Richard E. L.
Siegel Alan
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