LIQUID PRINT INK, PRINTED MATERIAL AND LAMINATE
To provide a liquid print ink that is particularly suitable for a paper-film composite packaging material with a film laminated on directly printed-paper, the liquid print ink having high adhesion, stability over time, offset resistance, and laminate strength.SOLUTION: A liquid print ink uses a poly...
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Zusammenfassung: | To provide a liquid print ink that is particularly suitable for a paper-film composite packaging material with a film laminated on directly printed-paper, the liquid print ink having high adhesion, stability over time, offset resistance, and laminate strength.SOLUTION: A liquid print ink uses a polyvinyl chloride-vinyl acetate copolymer resin and an acrylic resin as main binder resins and contains an organic solvent, satisfying the following conditions: (1) a polyvinyl chloride-vinyl isobutyl ether copolymer resin is contained by 1-12 mass% relative to the total solid content of ink; (2) a rosin-based resin with an acid value of 190 mgKOH/g or less and a softening point of 160°C or lower is contained by 1-25 mass% relative to the total solid content of ink; (3) a chelate compound is contained by 1-10 mass% relative to the total solid content of ink; and (4) an organic solvent with a boiling point of 200°C or higher is contained.SELECTED DRAWING: None
【課題】特に紙に直接印刷した後にフィルムがラミネート加工された紙フィルム複合型包装材料に適したリキッド印刷インキであり、密着性、経時安定性、耐裏移り性、ラミネート強度を有する。【解決手段】塩化ビニル-酢酸ビニル共重合樹脂、及びアクリル樹脂を主バインダー樹脂とし有機溶剤を含有する下記を満たすリキッド印刷インキ。(1)塩化ビニル-ビニルイソブチルエーテル共重合樹脂をインキ全固形分に対し1~12質量%含有する。(2)酸価が190mgKOH/g以下、軟化点が160℃以下であるロジン系樹脂をインキ全固形分に対し 1~25質量%含有する。(3)キレート化合物をインキ全固形分に対し1~10質量%含有する。(4)沸点が200℃以上の有機溶剤を含有する。【選択図】なし |
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