Homogeneous, storage-stable polyol compositions of high...

Details Homogeneous, storage-stable polyol compositions of high... Homogeneous, storage-stable polyol compositions of high...

C - Chemistry, Metallurgy

08

G

400/100, 402/149

C08G 18/50 (2006.01) C08G 18/32 (2006.01) C08G 18/66 (2006.01)

Patent

CA 1207495

HOMOGENEOUS, STORAGE-STABLE POLYOL COMPOSITIONS OF HIGH ETHYLENE GLYCOL CONTENT AND THEIR USE FOR THE PRODUCTION OF POLYURETHANES ABSTRACT OF THE DISCLOSURE A homogeneous, storage-stable, emulsifier-free polyol mixture having a high mixed OH-number and a high ethylene glycol content comprising 100 parts of a relatively high molecular weight polyalkylene oxide polyol having an OH-number of from 20 to 210, which contains at least 5%, and less than 80%, by weight, of terminal ethylene oxide blocks, from 0.1 to 30 parts of a low molecular weight diol mixture having an OH- number of 1200 to 1650 in the form of a ? action product of 1 mole of ethylene glycol with 0.1 to 0.5 moles of propylene oxide, optionally, up to 5 parts of di- and/or tri-functional compounds containing reactive hydrogen atoms and having a molecular weight of from 32 to 399, and optionally, other auxiliaries and additives known in the production of polyurethanes. Also, polyurethanes produced using these polyol mixtures.

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