Printing ink binder of modified cyclopentadiene resin

Details Printing ink binder of modified cyclopentadiene resin Printing ink binder of modified cyclopentadiene resin

C - Chemistry, Metallurgy

08

F

402/187, 402/313

C08F 8/46 (2006.01) C08C 19/36 (2006.01) C08J 3/24 (2006.01) C09D 11/10 (2006.01)

Patent

CA 1071796

ABSTRACT OF THE DISCLOSURE The present invention provides a process for the prepara- tion of a printing ink binder based on a cyclopentadiene resin modified with carboxylic acid and subsequently esterified in which the cyclopentadiene resin is reacted at a temperature in the range of 120°C. to 300°C. with an ethylenically unsaturateddicarboxylic acid or the anhydride thereof and with a saturated monocarboxylic acid, having 3-9 carbon atoms, and the resulting acidic reaction mixture is at least partly esterified at a temperature in the range of 140° to 300°C, with at least one compound selected from hydroxy and epoxy compounds whose average OH functionality is in the range of 2.1 to 12.

268209

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