| 摘要 |
<p>PURPOSE:To provide the titled additive capable of favorably preventing greasing even in offset ink and printing materials liable to develop greasing, comprising a polymeric product produced by addition polymerization of ethylene oxide unit and/or glycidol unit to a phenol-aldehyde condensation product. CONSTITUTION:The objective additive comprising a polymeric product produced by addition polymerization of ethylene oxide unit and/or glycidol unit to a phenol-aldehyde condensation product (e.g., phenol-formaldehyde resin, 4-methyl- phenol-formaldehyde resin).</p> |
