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What are the characteristics of polyurethane resin for printing ink?
Apr 06 , 2023
1. Excellent yellowing resistance 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 res...
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Technical terms about printing industry
Jan 17 , 2024
Printing is one of the four great inventions in ancient China. From ancient times to the present, the printing industry needs very professional technology. With advanced printing equipment, the threshold of the printing industry seems to be lowered. However, the printing industry is a low-threshold and high-tech industry. If you want to do well, you still need to work hard, which is a complex and ...
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