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Phenomena that should be paid attention to when hot melt adhesive film is applied in different industries
Points to note when applying hot melt adhesive films in different industries: Hot melt adhesive film has two same or different material adhesives. Hot melt adhesive film requires a lot in industrial production, but it is a new technology material with low viscosity.
2021-09-27
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Phenomena that should be paid attention to when hot melt adhesive film is applied in different industries

Points to note when applying hot melt adhesive films in different industries:

hot melt adhesive film has two same or different material adhesives. hot melt adhesive film requires a lot in industrial production, but it is a new technology material with low viscosity.

First, you can choose the product after you understand the characteristics of the hot melt adhesive film, which will be more effective. Therefore, it will be more comfortable in application.

1. Casual shoes industry:

According to the material of the sample shoe, thehot melt adhesive film is pressed on the surface of the material with high-temperature composite mechanical equipment, and after it is completely dried, each part customized according to the template is cold stamped or electro-engraved to remove the double-sided tape of the adhesive film. Then press it to the surface of the mesh or other fabrics with high temperature: this method is called seamless splicing and bonding shoes;

This kind of seamless splicing bonding method can be suitable for all seamless splicing casual shoes, but there are also different processing technology regulations for different materials. Therefore, everyone must choose matching hot melt adhesive films according to their own regulations. After the experiment, mass applications can be carried out.

2. Clothing industry:

According to the specifications and regulations required by the user for the adhesive, first divide the hot melt adhesive film into corresponding large formats, apply the hot melt adhesive film on the surface of the fabric with a high-temperature pressing method, and then use the high-temperature pressing adhesive film to remove the adhesive film. Heat, then use the hot melt adhesive film for high temperature pressing, then use the high temperature pressing method to cut the film into relatively large sizes, and then use the high temperature pressing method to coat the surface of the fabric with the hot melt adhesive film, and then use The hot-melt adhesive film is applied to it, and then the hot-melt adhesive film is used for the hot-melt adhesive film, and then a layer of hot-melt adhesive film is coated on the surface of the fabric by the high-temperature pressing method, and then the hot-melt adhesive film is used for heat application. Then use the hot melt adhesive film for heating, then use the hot melt adhesive film for hot melt, then use the hot melt adhesive film for heating, then use the hot melt adhesive film for heating, and then use the hot melt

3. Leather case, luggage and leather goods industry:

According to the skin or the material used for the luggage skin, the hot-melt adhesive film is pasted on the surface of the material through the high-temperature composite rack equipment, and then cold-rolled or divided according to the processing technology requirements, and then the high-temperature composite machine equipment is used to The hot melt adhesive film is pasted according to the processing requirements, and then the hot melt adhesive film is attached to the surface of the material through high-temperature composite mechanical equipment, and then cold pressed or glued according to the processing requirements, and then the hot melt adhesive film is applied according to the processing requirements Paste according to the film-forming layer, and then paste the hot melt adhesive film on the surface of the material according to the requirements of the processing technology through the high-temperature laminating machine.

Application of TPU hot melt adhesive film

Thermosetting polyurethane material elastomer material is commonly known as TPU. TPU hot melt adhesive film is produced by heating and melting TPU particles. The production process includes laminating, hot melt coating and so on. TPU hot melt adhesive film is a particularly critical type among many hot melt films. The raw material of TPU hot melt adhesive film is compared with the hot melt adhesive film of several types of materials such as PA, PES, EVA, EAA, and there are many types to choose from. , And the main purpose is different.

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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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