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The bonding method of TPU hot melt adhesive film
First, cut the TPU hot melt adhesive film​ into the corresponding width, and bond the TPU hot melt adhesive film to the cloth surface by high temperature hot pressing. After drying, the release paper with the film removed is pressed again at high temperature according to the process requirements, which is called hot stamping seamless bonding.
2022-09-01
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The bonding method of TPU hot melt adhesive film

    First, cut the TPU hot melt adhesive film into the corresponding width, and bond the TPU hot melt adhesive film to the cloth surface by high temperature hot pressing. After drying, the release paper with the film removed is pressed again at high temperature according to the process requirements, which is called hot stamping seamless bonding.

    According to the material used, the TPU hot melt adhesive film is attached to the surface of the material by high temperature compounding equipment, and then punched or cut according to the process requirements. After curing, the release paper with the adhesive film removed is pressed onto the surface of the adhesive material at high temperature;

    Facing the adhesive surface towards the material A that needs to be bonded, you can choose equipment such as iron, pressing machine, thermal compound roller, high frequency wave, infrared heater, etc., and heat it through the protective paper to melt the adhesive surface and bond to the material that needs to be glued. A surface.

    You can also directly tear off the protective paper of the hot-melt adhesive film, put the adhesive layer between the materials A and B, heat and cool the two materials together. Application of TPU hot melt adhesive film

    Underwear: flexibility and high elasticity of general industrial TPU hot melt adhesive film. TPU elastomers with high reducibility meet the need for improved design concepts, performance and manufacturing flexibility.

    Down jacket: TPU hot melt adhesive film can be used for seamless bonding design between waterproof fabrics of down jacket, which can effectively prevent the offset of plush and increase the tightness and heat preservation of clothes! When applied to the placket of down jackets, the placket can be sewn better, smooth and durable.

    Apparel: TPU hot melt adhesive film has excellent extensibility, flexibility, resistance to dissolution, light weight and excellent adhesion to other textile fabrics in the general industry. At the same time, the function of modeling can be realized. Seamless splicing and bonding technology in general industry.

    TPU film can also be used in aviation, ships, vehicles, household appliances, signs, embroidery, luggage, stationery, shoes and hats, printed circuits, molds, wall materials, solar equipment, furniture materials, building materials, etc.

    

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TPU hot melt adhesive film vs anaerobic adhesive: "Scene flexibility" difference in automotive interior bonding
2025-09-11
​From the perspective of curing conditions, TPU hot melt adhesive film does not need to rely on special environments, while anaerobic adhesives are severely restricted by "auerobicity". The curing principle of anaerobic glue is to undergo polymerization under conditions of lack of oxygen and catalyzed by metal ions (such as iron and copper). If it is in an environment where air circulation or metal substrates are not available, the curing speed will be greatly slowed down or even unable to cure. In automotive interiors, most bonding scenarios are "open" (such as bonding the door panel skin to PP substrate, and the ceiling fabric to the sponge), the air can freely contact the bonding surface, and the substrate is mostly non-metallic (PP, ABS, fabric, etc.), lacking metal ion catalysis, and additional catalyst is required when using anaerobic glue, and the curing time is as long as several hours, which is difficult to meet the needs of industrial production. The TPU hot melt adhesive film only needs to be melted by heating (120-160℃) and can be cured after pressurization and cooling. It does not need to rely on the ambient oxygen concentration or the base material. It can be cured stably in open or closed bonding scenarios, and the curing time only takes a few dozen seconds to a few minutes, adapting to the fast-paced needs of the interior production line.
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