Water resistant security ink composition

Details Water resistant security ink composition Water resistant security ink composition

C - Chemistry, Metallurgy

08

L

C08L 101/00 (2006.01) B41M 3/14 (2006.01) C08K 5/31 (2006.01) C08L 57/00 (2006.01) C09D 11/00 (2006.01) C09D 11/10 (2006.01) C09D 157/00 (2006.01)

Patent

CA 2085817

ABSTRACT OF THE DISCLOSURE A security composition for use with an ink composition including diphenyl guanidine and acrylic resin. The ink composition may further include a glycol ether and a plasticizer and can be printed on paper, for example in the word "VOID". If bleach is used to attempt to alter the document, the initially colorless ink will form a colored image in the shapes or letters printed on the paper. The ink composition is resistant to leaching upon contact with, for example, water.

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