Process for the preparation of polyurethanes which are dispersib

Details Process for the preparation of polyurethanes which are dispersib Process for the preparation of polyurethanes which are dispersib

1977-11-08

1980-12-02

Briggs, Sr., Wilbert 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...

528 68, 528 69, 528 71, 260 292TN, C08G 1812, C08G 1832, C08L 7508, C08L 7512

Patent

active

042372640

ABSTRACT:
The instant invention is directed to novel polyurethanes which have a substantially linear molecular structure and which are dispersible in water, and the method of producing such polyurethanes. The polyurethanes of the present invention are characterized by an ethylene oxide unit content of from 0.5 to 10%, by weight, and by an ionic content of from 0.1 to 15 milliequivalents per 100 grams of polyurethane.

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patent: 3905929 (1975-09-01), Noll
patent: 3920598 (1975-11-01), Reiff et al.
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patent: 4066592 (1978-01-01), Wismer et al.
patent: 4068035 (1978-01-01), Violland et al.
patent: 4092286 (1978-11-01), Noll et al.

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