Aqueous-alcoholic, foam-growth-controlling printing ink...

Details Aqueous-alcoholic, foam-growth-controlling printing ink... Aqueous-alcoholic, foam-growth-controlling printing ink...

C - Chemistry, Metallurgy

09

D

6/26

C09D 11/02 (2006.01)

Patent

CA 1088254

ABSTRACT OF THE DISCLOSURE An aqueous-alcoholic, foam-growth-controlling printing ink composition having a pH in the range of from about 8 to about 12 of use in the chemical embossing of heat- foamable and expandable resinous materials comprising: (1) from about 1% to about 15% of a foam-growth-con- trolling chemical agent, such as benzotriazola: (2) from about 1% to about 9% of a water-soluble or water- such as isopropanol; (3) from about 1% to about 11% of a pH controlling or buffering agent, such as am- monia or a water-soluble or water-dispersible alkyl- aminoalcohol having from 2 to 10 carbon atoms, such as 2-dimethylaminoalcohol, capable of creating or main- taining the pH of the squeous-alcoholic, foam-growth- controlling printing ink composition in the range of from about 8 to about 12; (4) from about 30% to about 75% of an aqueous printing ink composition; and (5) from about 10% to about 40% of added water, all these percentages being by weight. Processes of applying such aqueous-alcoholic, foam-growth-controlling printing ink compositions to such heat-foamable and expandable resinous materials are also included.

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