Hydroxyacrylic modified grinding resins for water-based coatings

Details Hydroxyacrylic modified grinding resins for water-based coatings Hydroxyacrylic modified grinding resins for water-based coatings

1992-08-03

1993-02-23

Schofer, Joseph L.

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...

106 30R, C08J 320, C08L 3314, C09D 1108

Patent

active

051890909

ABSTRACT:
The invention is soluble rosin grinding resins capable of being employed over a wide range of pH values to produce stable low viscosity grind bases for water-based printing inks and coatings. The grinding resins are produced via the fusion esterification of fortified rosin with hydroxyacrylic resins and various polyols. Suitable hydroxyacrylic resins are prepared by copolymerizing an hydroxyalkylacrylate or methacrylate with alkyl acrylates, cycloalky acrylates, methacrylates, or styrene. These hydroxyacrylic resins can be made to contain a wide range of molecular weights and hydroxyl contents, thereby permitting formulation of a wide variety of soluble grinding resins.

REFERENCES:
patent: 2994635 (1961-08-01), Reaville et al.
patent: 3929701 (1975-12-01), Hall et al.
patent: 4151146 (1979-04-01), Patella
patent: 4618640 (1986-10-01), Tsuchida et al.
patent: 4973617 (1990-11-01), Incontro et al.

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