TPU hot melt adhesive film production process

 10-06, 2023 | View:

TPU film is a sustainably modified material that uses TPU to manufacture new hot melt adhesive products, hot melt adhesive films, and has gradually begun to start and develop. Compared with the current main EVA hot melt adhesive and synthetic rubber hot melt adhesive, TPU hot melt adhesive film can meet customers' requirements for high viscosity, and TPU's physical properties (such as elasticity, high mechanical strength, etc.) are also very good. TPU hot melt adhesive film can be used in many areas where ordinary hot melt adhesive film cannot be used.

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TPU film production process

For example, TPU film upper materials usually have a surface PU layer, which is used to color the upper and print patterns. The middle layer is a TPU film, and the main part of the fabric determines the main performance characteristics of the shoe; the bottom is a TPU hot melt adhesive film, which is mainly an adhesive and plays a role in bonding the TPU upper material to the shoe body.

The TPU film upper material can be directly combined with the shoe body for compression molding through the excellent adhesive properties of the underlying TPU hot-melt adhesive film, without the need for sewing processes, so it is also called TPU sewing-free upper.

The advantages of TPU hot melt adhesive film are water resistance, bending resistance, cold resistance, good adhesion, hydrolysis resistance, easy processing, stable quality, and wide application fields.


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