Processing method for producing anti-static sheet through continuous process
A process method and anti-static technology, which is applied in the field of anti-static sheet production, can solve the problems of reduced productivity, high-power extension and other physical energy reduction, and achieve the effect of high extensibility
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[0047]
[0048] 1-1. Carbon nanotubes (length 30μm, width 10nm multi-wall) 2% by weight, acrylic polymer binder (Carboset CR780, BFGoodrich Co.) 15% by weight, isopropanol 50% by weight, and cellulose 31 Weight%, dispersant (polymer anion, HPA-328, Yeungsan Co.) 1% by weight, fluidity improver (HPA-538, Yeungsan Co.) 1% by weight, the antistatic liquid is produced according to the above ratio.
[0049] 1-2. After extruding the polyethylene terephthalate (PET) resin through the T-steel die extrusion process (the temperature of the extruder is 150~170℃), it will be produced by passing it through a bachelor and cooling roll The PET sheet with a thickness of 1 mm is coated with the above-mentioned antistatic kiss roll coating liquid on one side to form a coating with a thickness of 0.1μm (the thickness of the coating after drying), and is thermally cured at a temperature of 60-80°C . After coating one side of the kiss roll, apply a roll coating to the other side of the sheet with a ...
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[0050]
[0051] The anti-static sheet produced in the above example 1 was vacuum-formed at a temperature of 150-180° C., and stretched 5 times to produce an anti-static tray.
Example Embodiment
[0052]
[0053] In Example 1-1, the addition of 1% by weight of aziridine of the crosslinking agent was excluded, and an antistatic liquid was prepared in the same manner, and then an antistatic sheet was produced in the same manner according to Example 1-2. The surface impedance is measured in accordance with ASTM D257 method.
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