Antifog polypropylene film and preparation method thereof
A polypropylene film and polypropylene resin technology, applied in the polypropylene field, can solve problems such as poor anti-fog effect, achieve good anti-fog and improve the effect of wetting tension
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Embodiment 1
[0026] like figure 1 As shown: the preparation method of the present invention includes the following steps in sequence: extrusion process, chilled roll solidification process, cooling process, thickness measurement process, corona process, deflection process, edge trimming process.
[0027] In the extrusion process: three-stage heating is adopted, the temperature of the first-stage extruder is: 210°C, the temperature of the second-stage extruder: 225°C, the temperature of the third-stage extruder: 230°C; the temperature of the die head: 225°C.
[0028] The corona layer is composed of FC801M.
[0029] The middle layer is composed of FC801 and anti-fog masterbatch, and the weight ratio of FC801:anti-fog masterbatch is 6:1.
[0030] The heat seal layer includes FL7632, ABPP10S, SE07PP;
[0031] The weight ratio of FL7632, ABPP10S, SE07PP is 100:0.5:0.5.
[0032] In the chilling roll solidification process: the hot-melt film is rapidly cooled and shaped by the casting roll und...
Embodiment 2
[0037] The preparation method of the present invention includes the following steps in sequence: extrusion, chilled roll solidification, cooling, thickness measurement, corona, deflection, and edge trimming.
[0038] In the extrusion process: three-stage heating is adopted, the temperature of the first-stage extruder is: 210°C, the temperature of the second-stage extruder: 225°C, the temperature of the third-stage extruder: 230°C; the temperature of the die head: 225°C.
[0039] The corona layer is composed of FC801M.
[0040] The middle layer is composed of FC801 and anti-fog masterbatch, and the weight ratio of FC801:anti-fog masterbatch is 12:1.
[0041] The heat-sealing layer includes FL7632, ABPP10S, SE07PP, and the weight ratio of FL7632, ABPP10S, SE07PP is 100:1:1.
[0042] The thickness ratio of the corona layer, the intermediate layer and the heat-sealing layer is 1:3:1.
[0043] In the chilling roll solidification process: the hot-melt film is rapidly cooled and sh...
Embodiment 3
[0048] The preparation method of the present invention includes the following steps in sequence: extrusion, chilled roll solidification, cooling, thickness measurement, corona, deflection, and edge trimming.
[0049] In the extrusion process: three-stage heating is adopted, the temperature of the first-stage extruder is: 210°C, the temperature of the second-stage extruder: 225°C, the temperature of the third-stage extruder: 230°C; the temperature of the die head: 225°C.
[0050] The corona layer is composed of FC801M.
[0051] The middle layer is composed of FC801 and anti-fog masterbatch, and the weight ratio of FC801:anti-fog masterbatch is 6:1.
[0052] The heat seal layer includes FL7632, ABPP10S, SE07PP,
[0053]The weight ratio of FL7632, ABPP10S, SE07PP is 100:1:0.5.
[0054] The thickness ratio of the corona layer, the intermediate layer and the heat-sealing layer is 1:3:1.
[0055] In the chilling roll solidification process: the hot-melt film is rapidly cooled and...
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