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Dow Chemical Co
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Dow Chemical Co
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Application grantedgrantedCritical
Publication of CA1139049ApublicationCriticalpatent/CA1139049A/fr
CA000342739A1979-01-101979-12-28Emploi de composes polyhydroxy- a faible p.m. dans les mousses de polyurethanne soufflees au chlorure de methylene
ExpiredCA1139049A
(fr)
Preparation de mousses flexibles de polyurethane, tres resistantes aux chocs et exemptes de cfc; melanges de polyisocyanates a base de diisocyanate de diphenylmethane, modifies par des groupes urethane, pouvant etre utilises a cette fin
Mixed anhydrides of isocyanates and carboxylic acids, mixtures thereof with carboxylic acids, and the use thereof as blowing agents for the production of cellular plastics