Soybean oil-based intaglio ink and method for making same

Details Soybean oil-based intaglio ink and method for making same Soybean oil-based intaglio ink and method for making same

C - Chemistry, Metallurgy

09

D

C09D 11/10 (2006.01)

Patent

CA 2177804

Disclosed is an intaglio ink comprising a varnish comprising an alkyd-modified soybean oil and method for producing same. Preferably, the alkyd-modified soybean oil is made by combining soybean oil, pentaerythiol and trimellitic anhydride at elevated temperature. The varnish may further comprise a thermoplastic phenolic resin. Methods of making the alkyd modified soybean oil, thermoplastic phenolic resin, the varnish and the ink are also disclosed.

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