FEP fluorine color master batch and processing technique thereof
A processing technology and color masterbatch technology, which is applied in the field of fluoroplastic color masterbatch, can solve the problems of poor corrosion resistance, poor electrical insulation performance, and short service life, and achieve long service life, large insulation resistance, and excellent electrical insulation performance. Effect
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[0028] The FEP fluorine masterbatch of the present invention can be made from the raw materials of the following weight ratio:
[0029] 65% to 85% FEP;
[0030] 8%~25% high temperature pigment;
[0031] 3% to 6% dispersant;
[0032] 0.1% to 2% processing aids.
[0033] The present invention also discloses a processing technique for preparing the above-mentioned FEP fluorine masterbatch, comprising the following steps:
[0034] (1) Ingredients: 65% to 85% of FEP, 8% to 25% of high-temperature pigments, 3% to 6% of dispersants and 0.1% to 2% of processing aids are weighed according to the weight ratio;
[0035] (2) extrusion molding; mixing the ingredients weighed in step (1) into a twin-screw extruder for mixing and plasticization, and carrying out vacuum moisture treatment, and finally extrusion molding;
[0036] (3) cooling; the product extruded in step (2) is rapidly cooled, so that the product after mixing is rapidly crystallized, the surface temperature is reduced, and...
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