Hydrophylic, olefinically unsaturated polyurethanes and their us

Details Hydrophylic, olefinically unsaturated polyurethanes and their us Hydrophylic, olefinically unsaturated polyurethanes and their us

1992-02-20

1993-02-23

Welsh, Maurice J.

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...

528904, C08G 1830

Patent

active

051891336

ABSTRACT:
The present invention relates to hydrophilic polyurethanes having a content of (i) olefinic double bonds (expressed as C.dbd.C, molecular weight 24) of at least 1.0% by weight and (ii) ethylene oxide units incorporated through polyethylene glycol of 20 to 80% by weight, which are based on the reaction product of

REFERENCES:
patent: 4070323 (1978-01-01), Vanderhoff et al.
patent: 4339566 (1982-07-01), Rosenkranz et al.
patent: 5089586 (1992-02-01), Piepho et al.

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