Composition and use

G - Physics – 03 – G

Patent

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Details

G03G 9/097 (2006.01) G03G 9/08 (2006.01)

Patent

CA 2156254

A toner resin composition comprising a toner resin and a negative charging charge control agent (CCA) which is a di- or trivalent metal salt of a naphthalene oxy-carboxylic acid wherein the hydroxy group and carboxylic acid group are attached to adjacent carbon atoms of an aromatic ring. The CCA is preferably the zinc, aluminium or iron salt of 3-hydroxy-2-naphthoic acid.

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