Aqueous polyurethane dispersions

Details Aqueous polyurethane dispersions Aqueous polyurethane dispersions

1994-06-21

1995-11-28

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524591, 524839, 524840, 525455, C08J 300, C08K 320, C08L 7500, C08F28304

Patent

active

054709075

ABSTRACT:
Aqueous polyurethane dispersions contain, at a pH of the dispersing medium of .gtoreq.6, an anionically stabilized polyurethane present in disperse form as well as an added polymer having acidic functions and intended for reducing the flow resistance.

REFERENCES:
patent: 3491051 (1970-01-01), Elkin et al.
patent: 5169895 (1992-12-01), Coogan et al.
patent: 5231130 (1993-07-01), Wallon et al.
Ullmanns Encylkopadie der technischen Chemie, 4th Edition, Verlag Chemie (Weinheim), vol. 19, p. 5, 1980.
Ullmanns Encyklopadie der technischen Chemie, Verlage Chemie (Weinheim), vol. 22, pp. 586-587, 1982.

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