Dispersants for pigments in waterborne coatings compositions

Details Dispersants for pigments in waterborne coatings compositions Dispersants for pigments in waterborne coatings compositions

C - Chemistry, Metallurgy

08

G

C08G 83/00 (2006.01) C08F 8/00 (2006.01) C09C 1/62 (2006.01) C09C 1/64 (2006.01) C09D 7/02 (2006.01) C09D 17/00 (2006.01) C09D 201/02 (2006.01)

Patent

CA 2096306

A compound is described that is useful as a dispersant for inorganic pigments and metallic flake pigments in waterborne coatings. The compound comprises a polymeric backbone having a pigment-interactive substituent and a stabilizing substituent. The pigment-interactive substituent has at least one functionality selected from the group consisting of (see above formulas) wherein A1, A2, A3, and A4 are as defined herein. The stabilizing substituent includes the structure (see above formula) wherein D1, D2, R1, R2, R3, m, and n are as defined herein.

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