Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wako Chemical Co Ltd
Original Assignee
Wako Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wako Chemical Co LtdfiledCriticalWako Chemical Co Ltd
Priority to JP8096279ApriorityCriticalpatent/JPS6023133B2/ja
Publication of JPS565837ApublicationCriticalpatent/JPS565837A/ja
Publication of JPS6023133B2publicationCriticalpatent/JPS6023133B2/ja
Liquid polysocyanate mixtures containing urethane groups on the basis of diphenylmethane diisocyanate, process for the preparation thereof and their use in the preparation of flexible polyurethane foams
Process for the preparation of organic polyisocyanates containing biuret and/or urea groups, as well as dispersions of polyisocyanates containing urea groups in a diisocyanate free of urea
Process for preparing flexible polyurethane foams by the use as a polyisocyanate of an urethane-modified mixture of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates containing from 55 to 85 percent by weight of diphenylmethane diisocyanate isomers