TPU clad net
A sandwich and coating technology, applied in the chemical industry, can solve the problems of heat resistance, hot water resistance, poor compression resistance, PVC high temperature resistance, easy yellowing of appearance, etc., to achieve high cold resistance and color stability The effect of good and excellent physical mechanism performance
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Example Embodiment
[0015] Example 1
[0016] Coating the high-strength polyester fiber cloth with PU→drying→cooling, the coating amount is 180g / m 2 , The coating speed is 20m / min, and the drying temperature is 110℃; the two layers of TPU film (bottom layer, surface layer) are preheated and melted by adjusting the temperature of the heating roller, and then preheated with the middle layer of high-strength polyester interlayer fabric It is formed by pressing rubber roller and iron roller, and then cooling and shaping.
[0017] The compounding process conditions are: mesh temperature 120℃; mesh speed 5m / min; bottom TPU film preheating temperature 130℃; surface TPU film preheating temperature 130℃; bottom TPU film heating temperature 145℃; surface TPU film heating temperature 145℃; pressure 40Kg / cm 2 ; Cooling speed 6m / min; current 450A.
[0018] The weight components in the raw materials of the special PU glue are: PU glue: 100PHR; toluene: 20PHR; bridging agent: 10PHR; accelerator: 1PHR; methyl ethyl ...
Example Embodiment
[0022] Example 2
[0023] Coating the high-strength polyester fiber cloth with PU→drying→cooling, the coating amount is 200g / m 2 , The coating speed is 25m / min, and the drying temperature is 130℃; the two layers of TPU film (bottom layer, surface layer) are preheated and melted by adjusting the temperature of the heating roller, and then preheated with the middle layer of high-strength polyester interlayer fabric It is formed by pressing rubber roller and iron roller, and then cooling and shaping.
[0024] The composite process conditions are: mesh temperature 125℃; mesh speed 6m / min; bottom TPU film preheat temperature 135℃; surface TPU film preheat temperature 135℃; bottom TPU film heating temperature 150℃; surface TPU film heating temperature 150℃; pressure 40Kg / cm 2 ; Cooling speed 8m / min; current 450A.
[0025] The weight components in the raw materials of the special PU glue are: PU glue: 100PHR; toluene: 20PHR; bridging agent: 10PHR; accelerator: 1PHR; methyl ethyl ketone: ...
Example Embodiment
[0029] Example 3
[0030] Coating the high-strength polyester fiber cloth with PU→drying→cooling, the coating amount is 190g / m 2 , The coating speed is 23m / min, the drying temperature is 120℃; the two layers of TPU film (bottom layer, surface layer) are preheated and melted by adjusting the temperature of the heating roller, and then the high-strength polyester interlayer cloth preheated with the middle layer It is formed by pressing rubber roller and iron roller, and then cooling and shaping.
[0031] The compounding process conditions are: mesh temperature 123℃; mesh speed 5.5m / min; bottom TPU film preheating temperature 130℃; surface TPU film preheating temperature 135℃; bottom TPU film heating temperature 150℃; surface TPU film heating Temperature 150℃; Pressure 40Kg / cm 2 ; Cooling speed 7m / min; current 450A.
[0032] The weight components in the raw materials of the special PU glue are: PU glue: 100PHR; toluene: 20PHR; bridging agent: 10PHR; accelerator: 1PHR; methyl ethyl ke...
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