Dispersing agent

Details Dispersing agent Dispersing agent

C - Chemistry, Metallurgy

08

G

C08G 65/28 (2006.01) B01F 17/38 (2006.01) C07C 43/13 (2006.01) C09D 17/00 (2006.01)

Patent

CA 2701984

A dispersing agent and a composition including a pigment and the dispersing agent are provided. The dispersing agent includes a branched alcohol alkoxylate having the following formula (I): X(Y)m(Z)n H (I) In the formula (I), X is a C6 to C16 branched chain, Y represents a propyleneoxy group, butyleneoxy group, or combination thereof, Z represents an ethyleneoxy group, propyleneoxy group, butyleneoxy group, or combination thereof, subject to the proviso that the molar ratio of ethyleneoxy groups to propyleneoxy groups and/or butyleneoxy groups in (Z)n is at least 2.9:1. Also in formula (I), m is on average from about 1.8 to about 5 and n is on average from about 8 to about 25. The dispersing agent is capable of attaining color development, freeze/thaw stability, and reduced water sensitivity similar to that achieved by widely-used APEOs.

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