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¿Cuáles son las características de la resina de poliuretano para tinta de impresión?
Apr 06 , 2023
1. Excelente resistencia al amarillamiento 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 polyure...
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