Process for preparing polyurethane emulsions

Details Process for preparing polyurethane emulsions Process for preparing polyurethane emulsions

1974-10-25

1976-09-28

Ziegler, J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 18TN, 260 75NP, 260 775AM, C08L 7506

Patent

active

039830586

ABSTRACT:
Polyurethane emulsions are prepared by reacting a semi-ester containing at least one hydroxyl group and at least one carboxyl group which is produced from a polyhydroxyl compound and an acid anhydride with a polyisocyanate compound having at least two NCO groups which forms said polyurethane emulsion.

REFERENCES:
patent: 3522199 (1970-07-01), Keberle et al.
patent: 3773729 (1973-11-01), Wakimoto et al.

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