| 摘要 |
A deposition material for an electrostatic deposition apparatus such as an ink for an electrostatic ink jet printer, the material comprising a carrier liquid having insulative properties, a charging agent which is soluble in the carrier liquid, and a charge augmenting additive which is soluble in the carrier liquid. The charge augmenting additives are carrier soluble materials that assist in the dissociation of the charging agent. Generally it is found that they are materials which contain nitrogen groups, e.g. amine functionality.
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