Polyvinyl butyral printing ink

Details Polyvinyl butyral printing ink Polyvinyl butyral printing ink

B - Operations, Transporting

32

B

117/191, 117/65

B32B 27/06 (2006.01) B01J 3/00 (2006.01) C08F 116/38 (2006.01) C09D 11/10 (2006.01)

Patent

CA 1117235

317968 ABSTRACT OF THE DISCLOSURE Ink formulation based on polyvinyl butyral and useful for printing polyvinyl butyral sheeting provides both improved blocking and improved glass adhesion through increased hydroxyl content in the polyvinyl butyral of the ink formulation. In particular the polyvinyl butyral of the ink has a hydroxyl content of about 5 to 50 percent higher than the polyvinyl butyral resin of the sheeting. Preferably the hydroxyl content of the polyvinyl butyral of the ink is from 29 to 35 weight percent.

317968

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