Pigment derivatives for waterborne coatings

C - Chemistry – Metallurgy – 09 – B

Patent

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Details

C09B 48/00 (2006.01) C09B 67/22 (2006.01) C09D 7/12 (2006.01) C09D 17/00 (2006.01)

Patent

CA 2269409

This invention relates to pigment derivatives having the formula (see formula) wherein Q represents an organic pigment moiety; X is -SO2 or -CO-; Alk is C2-C8 alkylene or substituted C2-C8 alkylene; m is an integer of from 1 to 4; n and p are independently integers of from 2 to 6. This invention further relates to the treatment of organic pigments with such pigment derivatives and the use of such treated pigments in coating compositions.

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