Aqueous-based coating compositions comprising anionic polyuretha

Details Aqueous-based coating compositions comprising anionic polyuretha Aqueous-based coating compositions comprising anionic polyuretha

1989-04-25

1990-12-18

Buffalow, Edith

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...

427409, 427435, 4273722, 4274071, 428460, 428458, 4284231, C08L 7504

Patent

active

049787080

ABSTRACT:
Aqueous-based basecoat compositions, useful for application to metal and/or plastic substrates, comprise an anionic polyurethane principal resin and an anionic acrylic pigment grind resin. The compositions are particularly adapted to application to substrates over a wide range of ambient humidities and have quick drying characteristics. The incorporation of an anionic acrylic grind resin, which is compatible with the anionic polyurethane principal resin, produces a coating which has good pigment wetting and dispersion characteristics with improved shelf life and color stability.

REFERENCES:
patent: 4007306 (1977-02-01), Poy et al.
patent: 4791168 (1988-12-01), Salatin et al.
patent: 4794147 (1988-12-01), Savino et al.
patent: 4914148 (1990-04-01), Hille et al.

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