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Polyurethane resin is a high-performance polymer material with good chemical stability, wear resistance, and flexibility. It has been widely used in coatings, adhesives, and sealants, among other fields. In recent years, with the increasing demand for environmental protection, the application of polyurethane resin in the ink field has also attracted more attention. This article will analyze the influence of  polyurethane resin   on the performance of ink from a professional chemical perspective. 1. Influence of Polyurethane Resin on the Viscosity of Ink Viscosity is an important factor affecting the printing performance of ink. Polyurethane resin has good thickening effect, which can effectively improve the viscosity of ink. By adjusting the molecular weight and structure of polyurethane resin, viscosity within a certain range can be controlled to meet different printing needs. In addition, polyurethane resin can also improve the flowability and drying speed of ink, thereby im...

  In today's printing industry, plastic printing inks play a crucial role. Among the many materials used in plastic printing inks, polyurethane resin stands out with its unique performance, making great contributions to the improvement of printing quality and the expansion of application fields. ​ I. Characteristic Advantages of Polyurethane Resin Excellent Adhesion Polyurethane binder   has excellent adhesion to various plastic substrates, whether it is common polyethylene, polypropylene, or engineering plastics, etc., it can be firmly combined to ensure that the printed pattern is not easy to peel off during use. For example, in the packaging industry, the products printed with the ink containing polyurethane resin still have a clear and complete pattern even after multiple handling and friction. Good Flexibility It has good flexibility and can adapt to the deformation and bending of plastic materials under different conditions without cracking or falling off. This character...