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How to choose the formula of gravure printing ink for high-temperature retort-resistant bags? Specifically, the selection of ink connecting materials, the selection of toners and …
Polyurethane resin is a type of polymer that can function as a binder in film printing inks. Here's how it contributes to the performance of the ink in a film printing …
The functions of polyurethane resin in inks are as follows:
1. Excellent yellowing resistance.Polyurethane resin for ink is mainly synthesized from aliphatic polyester and …