Resin dispersions having high pigment binding capacity

Details Resin dispersions having high pigment binding capacity Resin dispersions having high pigment binding capacity

1981-12-24

1983-07-26

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...

5253302, 526240, 526317, C08L 3302

Patent

active

043955150

ABSTRACT:
What are disclosed are methods for making an aqueous dispersion of a synthetic resin copolymer, said dispersion having high pigment binding capacity and adaptable to use in the preparation of printing inks or pastes, said copolymer comprising a predominant amount of water insoluble monomers together with from 3 to 8 percent by weight of an acid component which is a water soluble acid or salt, which method comprises gradually adding said water insoluble monomers, together with a portion of said acid component, to an aqueous medium containing the balance of the acid component in the form of a dissolved water soluble salt; aqueous synthetic resin dispersions made by these methods; and printing inks comprising such an aqueous synthetic resin dispersion which has been neutralized and combined with such an amount of an organic solvent as converts the dispersion into a solution or colloidal dispersion of the synthetic resin.

REFERENCES:
patent: 3472825 (1969-10-01), Walter et al.
patent: 3481735 (1969-12-01), Graver et al.
patent: 3784498 (1974-01-01), Ceska
patent: 3825514 (1974-07-01), Drury et al.
patent: 3872063 (1975-03-01), Kim
patent: 3875099 (1975-04-01), Kurth et al.
patent: 3890292 (1975-06-01), Bohme et al.
patent: 4135043 (1979-01-01), Kast et al.
patent: 4167464 (1979-09-01), George
patent: 4230810 (1980-10-01), Lattime

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