Water-based chemical compositions

Details Water-based chemical compositions Water-based chemical compositions

1990-04-03

1992-07-07

Einsmann, Margaret V.

Compositions: coating or plastic

Coating or plastic compositions

Marking

C09D 1108

Patent

active

051279487

ABSTRACT:
Water-based compositions which are usable in the formulation of inks, particularly for flexographic printing, containing an acrylic copolymer and a resin, rosin or rosin derivative, in the absence of any protein component. Rosin esters may also be used. A proportion of the acidity of the resin or resin derivative can be neutralized by a base such as ethanolamine to form a soap which disperses the rosin. The copolymer preferably has a glass transition temperature of 0.degree. C. or lower.

REFERENCES:
patent: 3884707 (1975-05-01), Dick et al.
patent: 4163001 (1979-07-01), Carumpalos et al.
patent: 4225475 (1980-09-01), Carumpalos
patent: 4363887 (1982-12-01), Leep
patent: 4954556 (1990-09-01), Bull et al.
patent: 4966628 (1990-10-01), Amon et al.

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