Resinates from monomer
AssigneeArizona Chemical Company
InventorThomas A. Fontana
Life of this patent
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Abstract
Reduced-rosin compositions of printing inks and the resinate binders therein, and the processes of preparation thereof, are described. In said compositions, a portion of the rosin normally used in the art is replaced by Monomer, and is further reacted with α,β-unsaturated carboxylic compound, alkaline metal salt, and solvent to produce the resinate binder product. Said resinate binder may then be formulated with a colorant to produce an ink, preferably for use in publication gravure.
Claims53
A resinate composition comprising the reaction product of reactants, the reactants comprising:
- (a) rosin;
- (b) Monomer;
- and
- (c) metal salt, the metal salt comprising a metal cation, the metal selected from Group IIA or Group IIB metals of the Periodic Table.
A process for preparing a resinate composition comprising the steps of
- (a) melting rosin in a reaction vessel, optionally in admixture with Monomer;
- (b) charging the reaction vessel with Monomer if Monomer is not already present in the reaction vessel;
- (c) charging the reaction vessel with a metal salt comprising a cation selected from Group IIA or Group IIB of the Periodic Table, and optionally solvent, to provide a reaction mixture;
- (d) incubating the reaction mixture at elevated temperature to produce a reaction product;
- and
- (e) cooling the reaction product (e) to yield a resinate composition.
In a process for preparing a metal resinate of rosin, the improvement comprising substituting up to about 55 acid equivalent percent of the rosin with Monomer.
Dependencies are inferred from the claim text.