TPU light conveyor belt and preparation method thereof
A lightweight conveyor belt technology, applied in conveyors, chemical instruments and methods, transportation and packaging, etc., can solve the problems of contaminated food, large equipment investment, toxicity, etc., achieve simple production process, improve elasticity and heat dissipation capacity, tight connection effect
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[0034] Example 1:
[0035] Such as figure 1 As shown, a TPU light conveyor belt and a preparation method thereof include conveying a base fabric 1. A TPU hot melt adhesive film 2 is provided on the conveying base fabric 1, and a TPU layer 3 is provided on the TPU hot melt adhesive film 2. The conveying base fabric 1, the TPU hot melt adhesive film 2, and the TPU layer 3 are bonded together by means of high temperature hot pressing. Through the above arrangement, it is compared with the use of glue to bond and transport the base fabric 1 and the TPU layer 3. This bonding method can reduce the pollution caused by the volatilization of the glue, and does not require special production of glue, reducing the process. Since the TPU layer 3 and the TPU hot melt adhesive film 2 are of the same material, the bonding effect is better during bonding.
[0036] Optimized, the temperature of high temperature hot pressing is 120-130℃. At this temperature, compared with the 160-180° C. in the ...
Example Embodiment
[0042] Example 2:
[0043] Such as figure 2 versus image 3 As shown, the difference from Example 1 is: a polypropylene layer 4 is also provided between the TPU layer 3 and the TPU hot melt adhesive film 2, and the same TPU hot melt adhesive film is provided between the polypropylene layer 4 and the TPU layer 3 2. Under high temperature and hot pressing, the TPU hot melt adhesive film 2 on both sides of the polypropylene layer 4 melts, thereby bonding the polypropylene layer 4, the TPU layer 3 and the transport base fabric 1 to each other. By setting the polypropylene layer 4, the TPU lightweight conveyor belt has good elasticity, and prevents the TPU lightweight conveyor belt from deforming and breaking due to excessive tension during the tensioning process.
[0044] Optimally, the polypropylene layer 4 has a mesh structure. By setting the polypropylene fiber layer 4 as a mesh structure, the heat dissipation capacity of the TPU light conveyor belt is improved, so that the TPU ...
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