Developer for pressure-sensitive recording sheets, aqueous...

Details Developer for pressure-sensitive recording sheets, aqueous... Developer for pressure-sensitive recording sheets, aqueous...

C - Chemistry, Metallurgy

07

C

42/16, 260/513.3

C07C 65/05 (2006.01) B41M 5/00 (2006.01) B41M 5/155 (2006.01)

Patent

CA 1339023

A developer comprising at least one polyvalent metal salt of a nuclear substituted salicylic acid of the following general formula is provided. Image ---[I] In the formula, R1 represents an alkyl group having from 1 to 12 carbon atoms, R2 represents a hydrogen atom or an alkyl group having from 1 to 12 carbon atoms, R3 represents a hydrogen atom or a methyl group provided that at least one of R1 and R2 is a secondary butyl group, a secondary hexyl group, an isohexyl group, a secondary octyl group, an isononyl group, a secondary decyl group, a secondary dodecyl group or an isododecyl group and the total number of the carbon atoms in R1, R2 and R3 is from 9 to 18, M is a polyvalent metal atom, and m is a valence of M. An aqueous dispersion containing the developer and a method for preparing the developer are also described.

584556

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