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A few examples of TPU hot melt adhesive film applications
​TPU hot melt adhesive film has good resistance to water washing, dry cleaning characteristics, high temperature resistance can reach 110, low temperature resistance can reach minus 20, has a good tensile properties. TPU hot melt adhesive film is a polymer compound, the process of bonding with the material to be bonded, the essence of its own macromolecules in the process of heating movement occurred during a kind of diffusion, so that the two occurred between the mutual solubility, and finally let TPU hot melt adhesive film molecules to form a solid bond. In addition, its permeability is also very good, the TPU hot melt adhesive film​ thanks to these characteristics were chosen by the majority of people. Here I would like to introduce you to a few application cases.
2022-12-06
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A few examples of TPU hot melt adhesive film applications

    TPU hot melt adhesive film has good resistance to water washing, dry cleaning characteristics, high temperature resistance can reach 110, low temperature resistance can reach minus 20, has a good tensile properties. TPU hot melt adhesive film is a polymer compound, the process of bonding with the material to be bonded, the essence of its own macromolecules in the process of heating movement occurred during a kind of diffusion, so that the two occurred between the mutual solubility, and finally let TPU hot melt adhesive film molecules to form a solid bond. In addition, its permeability is also very good, the TPU hot melt adhesive film thanks to these characteristics were chosen by the majority of people. Here I would like to introduce you to a few application cases.

    1, seamless wallcovering backing

    Seamless wall coverings backing mostly eva-based, but its shortcomings are very obvious, and TPU hot melt adhesive film melting point temperature is lower than eva, more suitable for seamless paste edge processing.

    2、Leather and sponge

    Leather and sponge composite application is usually used to get PA hot melt adhesive film and TPU hot melt adhesive film, if you are higher for softness, TPU hot melt adhesive film has more advantages.

    The force of bonding between TPU hot melt adhesive film and the material is actually a mechanical bonding force, which is a bonding that occurs only after the TPU hot melt adhesive film melts and enters the inside of the pores of the material being bonded, which allows friction between the two and produces a mutual bonding ability to complete the final lamination. Some people in the process of using TPU hot melt adhesive film to do bonding, there will be a problem of adhesion is not very good. For this type of problem, it is mostly considered to be related to the type of TPU hot melt adhesive film selected, the temperature when doing the lamination process is not up to standard or incompatible with the bonding material and other factors. Therefore, when buying TPU hot melt adhesive film, you should know more about the materials you need to bond and the nature of TPU hot melt adhesive film, so that the most kind of bonding effect can be more stable.

    The above is about TPU hot melt adhesive film, I believe that after reading it, you must have an understanding of it, such as demand, welcome you to call for advice.

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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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