Solvent, ink and coated paper for carbonless copying system

B - Operations – Transporting – 41 – M

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42/15

B41M 5/165 (2006.01)

Patent

CA 1258584

ABSTRACT OF THE DISCLOSURE A diisopropylnaphthalene mixture containing 50 % or more of 2,7-isomer is substantially odorless, has a low viscosity and exhibits a high dissolving power particularly for an electron-donating color former including a black color former. By coating of micro-capsules of an ink comprising the solvent and a color former on a substrate, a carbonless copying paper which is odorless and excellent in color developing speed including that at lower temperatures, can be obtained.

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