| 摘要 |
An ink composition comprising:(a) from 0.1 to 50 parts of a dye;(b) from 0.1 to 50 parts of a sugar;(c) from 0.1 to 50 parts of a compound selected from phosphoric acid and a carboxylic acid or a salt thereof;(d) from 0 to 10 parts of a pH buffer; and(e) from 10 to 99 parts of a liquid medium;wherein all parts are by weight and the total number of parts (a)+(b)+(c)+(d)+(e)=100.Also claimed is a recording sheet comprising a substrate coated or impregnated with a sugar, a compound selected from phosphoric acid and a carboxylic acid or a salt thereof and optionally a binder; a coating composition; a method of ink jet printing; a substrate printed according to the method; and an ink jet printer cartridge which contains the ink and/or the coating composition.
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