With the continuous integration and innovation of materials science and processing technology, the composite application of hot melt adhesives and tin powder is gradually demonstrating its unique appeal and broad application prospects. As a high-efficiency and eco-friendly bonding material, the combination of hot melt adhesive and tin powder not only endows the material with new functional properties but also delivers a brand-new solution for the film molding field. Especially in electronic packaging, flexible circuits, smart packaging and other industries, hot melt adhesive-tin powder composite films have become a popular choice in the industry thanks to their excellent electrical conductivity, bonding strength and processability.
With profound expertise in polymer processing equipment, POTOP Co., Ltd. has successfully completed the mixing, extrusion, pelletizing and subsequent cast molding tests of hot melt adhesive & tin powder composites for customers. In this process, POTOP's split-type twin-screw extrusion and pelletizing lab line has played a critical role.Driven by servo motors, the equipment achieves stepless and precise speed regulation, ensuring stable and consistent plasticization. The modular screw design enables flexible combination according to experimental process requirements, greatly improving equipment adaptability and flexibility. Meanwhile, the split barrel, quick-opening die head and screen changer facilitate fast cleaning and boost production efficiency.
After compound extrusion and pelletizing, POTOP's benchtop precision cast film machine takes over the subsequent process. Each power roll of the machine is independently driven by a servo motor, featuring precise rotation control and excellent synchronization to ensure uniform film forming. The height of the casting roll is adjustable, meeting the process requirements of casting molding for materials with different melt strengths. In this test, a 60μm-thick film was successfully produced with a smooth surface, free of crystal spots and wrinkles, fully demonstrating the high precision and performance of the equipment.
