Polyurethanes based on high molecular weight formyl alcohols

Details Polyurethanes based on high molecular weight formyl alcohols Polyurethanes based on high molecular weight formyl alcohols

1979-04-04

1980-10-21

Cockeram, H. S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

252472, 521158, 568853, 424343, C08G 1814, C08G 1864

Patent

active

042295629

ABSTRACT:
The present invention describes the production of high molecular weight polyhydric alcohols and their derivatives. In particular the urethane reaction products of polyisocyanates and polyhydric alcohols are described. The particular urethane products of the present invention are obtained using an alcohol having a terminal hydroxyl functionality and a geminal hydroxymethyl structure. The particular urethan products of the present invention are obtained using an alcohol having a terminal hydroxyl functionality and a geminal hydroxymethyl structure.

REFERENCES:
patent: 2933477 (1960-04-01), Hostettler
patent: 3243414 (1966-03-01), DeWitt et al.
patent: 3378527 (1968-04-01), Case et al.
patent: 3876706 (1975-04-01), Levanevsky et al.
Jour. Am. Oil Chem. Soc. 45 (Jul. 1968), pp. 517-519, Moore et al.

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