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What methods do TPU hot melt adhesive film manufacturers use to optimize product performance?
​TPU hot melt adhesive film is a kind of adhesive substance that is frequently used in the compounding of the same type or different types of materials. Performance such as resistance to temperature changes is much better.
2022-12-01
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What methods do TPU hot melt adhesive film manufacturers use to optimize product performance?

    TPU hot melt adhesive film is a kind of adhesive substance that is frequently used in the compounding of the same type or different types of materials. Performance such as resistance to temperature changes is much better.

    add colorant

    When the manufacturer is producing TPU hot melt adhesive film, the purpose of adding colorant is to change the color of the finished TPU hot melt adhesive film. When different companies purchase TPU hot melt adhesive films, they will have certain requirements for the viscosity and aesthetics of the entire TPU hot melt adhesive film.

    add filler

    TPU hot melt adhesive film manufacturers add an appropriate amount of fillers during the production of TPU hot melt adhesive films, the purpose of which is to reduce the shrinkage and viscosity of the entire TPU hot melt adhesive film, increase its gap filling, and at the same time reduce the production cost of the entire product . The amount of filler added should be appropriate, if too much is added, it will affect its fluidity and adhesion.

    When users choose TPU hot melt adhesive film, they should pay attention to the following aspects

    Specify the color of the selected TPU hot melt adhesive film. When users use TPU hot melt adhesive film to compound different types of products, they have certain differences in color requirements. There is no specific requirement for the color of TPU hot melt adhesive film for compounding of some products. Yellow TPU hot melt adhesive film can be selected, and its adhesion is much better than TPU hot melt adhesive film of other colors. However, if the glued items have requirements for the color of the TPU hot melt adhesive film, you need to choose the TPU hot melt adhesive film of the corresponding color according to the requirements.

    TPU hot melt adhesive film belongs to a special type of adhesive, which can be often used in clothing production or some industrial production. Compared with ordinary adhesives, adhesives such as TPU hot melt adhesive film are more environmentally friendly and safe, and the articles made of them are not easy to crack, which can bring new benefits to people's production and life. Come more convenience.

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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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