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ما هي خصائص راتنج البولي يوريثين لحبر الطباعة؟
Apr 06 , 2023
1. مقاومة اصفرار ممتازة During the preparation process, polyurethane resin for printing ink is mainly synthesized from aliphatic polyester and aliphatic isocyanate as the main raw materials. Compared with aromatic polyurethane, it has excellent optical stability and excellent yellowing resistance after film formation. 2. Excellent adhesion fastness to film substrates The polyurethane resin ink cha...
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