High solids cf printing ink

Details High solids cf printing ink High solids cf printing ink

C - Chemistry, Metallurgy

09

D

400/1000, 42/16,

C09D 11/02 (2006.01) B41M 5/155 (2006.01)

Patent

CA 2024950

A high solids content, aqueous, color developer-containing printing inks having as it main ingredients water, a non-volatile diluent and an acidic color developer such as zinc salicylate or a phenolic resin. The high CF printing ink preferably has a 50-70% by weight solids content and may be used as a low-coat-weight CF coating for preparing carbonless copy paper by coating the high solids CF printing ink on a support sheet at a coat weight of less than 3gm/m.

Encres d'impression aqueuses à haute teneur en solides, renfermant un révélateur de coloration. Les principaux ingrédients de ces encres sont l'eau, un diluant non volatil et un révélateur acide de coloration, comme le salicylate de zinc ou une résine phénolique. L'encre d'impression à forte teneur en CF a de préférence une concentration de solides de 50 à 70 % en poids et peut être utilisée comme couche CF à faible poids pour la préparation de papier autocopiant; le couchage à l'aide de cette encre se fait sur une feuille de support à raison de moins de 3 g/m.

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