Add time:08/06/2019         Source:sciencedirect.com

This paper is concerned with the surface treatment of copper phthalocyanine blue (C.I. Pigment Blue 15:3) by adsorption with poly(ethylene glycol)s of various molecular weights. The results from the experiments show that the contact angle for water, the flowability and the mean diameter of treated pigment particles decrease, and that the dispersing stability in aqueous media is increased after treatment. The effect of surface treatment depends largely on the molecular weights of the poly(ethylene glycol)s and on the amount of the poly(ethylene glycol)s used.

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