| 摘要 |
An ink jet printer ink is provided in the form of a non-aqueous dispersion of colorant in a diluent and containing a dispersant for the colorant and which yields print having no discernible odour. The diluent comprises more than 50 % by volume of white oil and the dispersant, which is employed in an amount of at least 20 % by weight of the colorant, comprises at least one compound having both a long chain aliphatic group and at least one .alpha., .beta.dicarboxylic acid moiety, e.g. a polyisobutylene succinimide.
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