Aqueous dispersions comprising a polyurethane, a polyisocyanate

Details Aqueous dispersions comprising a polyurethane, a polyisocyanate Aqueous dispersions comprising a polyurethane, a polyisocyanate

1997-04-30

1998-12-22

Niland, Patrick D.

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...

4284231, 524539, 524839, 524840, C08J 300, C08K 320, C08L 7500

Patent

active

058521054

ABSTRACT:
Aqueous two-component dispersions comprising a) a polyurethane carrying anionic groups which make the polyurethane dispersible in water (component a), b) from 0.04 to 1.5 mol of NCO groups in the form of a water-emulsifiable polyisocyanate (component b) per kg of component (a), and c) from 0.05 to 40 mol of tertiary amino groups in the form of a tertiary alkanolamine (component c) per mole of NCO groups in the form of component (b).

REFERENCES:
patent: 5227409 (1993-07-01), Mobley et al.
patent: 5387642 (1995-02-01), Blum et al.

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