Dispersing agents for aqueous coatings compositions

Details Dispersing agents for aqueous coatings compositions Dispersing agents for aqueous coatings compositions

1997-08-20

1999-06-08

Gorr, Rachel

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...

252351, 544222, 560 26, 560115, 560157, C08G 1848

Patent

active

059105569

ABSTRACT:
The present invention relates to a process for the solvent-free production of polyisocyanate addition products, which are suitable as dispersing agents for incorporating solids into aqueous coating compositions, wherein the polyisocyanate addition products have a maximum content of 1% by weight of isocyanate groups and a content of 30 to 95% by weight of ethylene oxide units (molecular weight=44) present in the polyether chains of monofunctional alcohols B), and are prepared by reacting

REFERENCES:
patent: 4131603 (1978-12-01), Perry et al.
patent: 4647647 (1987-03-01), Haubennestel et al.
patent: 4732618 (1988-03-01), Spietschka et al.
patent: 4929705 (1990-05-01), Mazanek et al.
patent: 5672673 (1997-09-01), Kirchmeyer et al.

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