Pigment dispersant resin: reaction product of imidazoline...

Details Pigment dispersant resin: reaction product of imidazoline... Pigment dispersant resin: reaction product of imidazoline...

C - Chemistry, Metallurgy

07

D

C07D 233/26 (2006.01) B01F 17/00 (2006.01) C09B 67/46 (2006.01) C09D 5/24 (2006.01) C09D 5/44 (2006.01) C09D 7/02 (2006.01) C09D 175/12 (2006.01)

Patent

CA 2062681

TITLE PIGMENT DISPERSANT RESIN: REACTION PRODUCT OF IMIDAZOLINE AND ALKYLENE CARBONATE ADDUCT AND A HALF BLOCKED DIISOCYANATE ABSTRACT OF THE DISCLOSURE A pigment dispersant that is useful in a cathodic electrocoating composition is prepared by bringing into contact compound (i), an alkylene carbonate, with a compound (ii) of the structure: Image where R is and alkyl group having 8-24 carbon atoms, and bringing the resulting reaction product of (i) and (ii) into contact with a half blocked organic diisocyanate; this pigment dispersant has an advantage of allowing for the maximization of pigment to binder ratios and the minimization of volatile organic content (VOC) in electrocoating compositions.

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