Process for preparing resins for use in printing ink

Details Process for preparing resins for use in printing ink Process for preparing resins for use in printing ink

C - Chemistry, Metallurgy

08

F

400/5193, 400/51

C08F 277/00 (2006.01) C08F 8/14 (2006.01) C09D 11/00 (2006.01) C09D 11/10 (2006.01)

Patent

CA 1043038

ABSTRACT A process for preparing resins for use in printing inks, which comprises polymerizing 50 to 100% by weight of dicyclopentadiene and 50 to 0% by weight of a cationi- cally polymerizable monomer in the presence of a Friedel- Crafts polymerization catalyst, adding 1 to 20% by weight, based on the weight of the resulting polymer, of an .alpha.,.beta.-un- saturated carboxylic acid or its anhydride to the resulting polymer, and then esterifying the resulting adduct at least partially with a polyhydric alcohol, and a printing ink composition comprising (a) 5 to 30% by weight of the resin prepared by the aforesaid process, (b) 5 to 30% by weight of a drying oil, (c) 20 to 40% by weight of a pig- ment, (d) 0 to 10% by weight of an assistant, and (e) a solvent being the balance, the proportions of components (a), (b) (c),(d), and (e) being based on the total weight of the composition. - 1 -

219356

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