| 摘要 |
The invention relates to a heatset printing ink for the printing of documents by the method of engraved steel die printing. The ink is formulated from (i) an epoxy resin, (ii) an epoxy resin ester reacted with a mixture of one or more unsaturated monobasic acids and one or more reactive monomers, or a mixture of (i) and (ii), together with one or more pigments, a glycol or glycol ether solvent, a drier and an amine curing agent. The ink is especially useful for the printing of security documents, particularly currency.
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