Polyvalent metal salts of salicylic acid resin and process...

Details Polyvalent metal salts of salicylic acid resin and process... Polyvalent metal salts of salicylic acid resin and process...

C - Chemistry, Metallurgy

07

C

C07C 65/105 (2006.01) B41M 5/155 (2006.01) C07C 65/24 (2006.01)

Patent

CA 2300773

The present invention relates to a process for preparing polyvalent metal salts of salicylic acid resin, comprising reacting salicylic acid or its derivative and styrene or its derivative in the presence of zinc salt of organic carboxylic acid and/or polyvalent metal compound at 50 to 200 °C to prepare the reaction product, and reacting the reaction product with polyvalent metal compound; an aqueous dispersion where the polyvalent metal salt of resin is dispersed in water; and to a color development sheet prepared from the polyvalent metal salts of salicylic acid resin.

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