Color deepening agent

Details Color deepening agent Color deepening agent

1981-07-21

1983-02-08

Schofer, J. 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...

528 71, C08K 516

Patent

active

043730531

ABSTRACT:
A color deepening agent comprises an aqueous resin composition obtained by polymerizing a monomer having a polymerizable unsaturated bond, in the presence of a polyurethane emulsion having a thermosetting reactivity, the refractive index of a dry film of said aqueous resin composition being lower than 1.50.

REFERENCES:
patent: 3684759 (1972-08-01), Reiff et al.
patent: 3836493 (1974-09-01), Matsuda et al.

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