Antistatic DAP molding compound for injection molding and preparing method thereof
A molding compound and antistatic technology, applied in the field of antistatic DAP molding compound for injection molding and its preparation, can solve the problems of unsatisfactory heat resistance and the like, and achieve a simple and easy-to-control preparation method, high molding efficiency, and improved plasticizing ability. Effect
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Embodiment 1
[0043] 1) Weigh the following components for later use: DAP resin 20%; n-butyl-4,4 (tert-butyl peroxy) valerate 1%; diallyl phthalate monomer 5%; conductive graphite 10%; Aluminum Hydroxide 43%; Stearic Acid 1%; Glass Fiber 20%.
[0044] 2) Take the inorganic filler and carry out conventional surface treatment with a silane coupling agent equivalent to 0.5% of its consumption;
[0045] 3) Mix the DAP resin with the surface-treated inorganic filler and other components evenly;
[0046] 4) put the mixed material into a twin-screw extruder for extrusion, the barrel temperature of the twin-screw extruder is 75-90°C, and the screw rotation speed is 100rpm;
[0047] 5) The extruded material is cooled and pulverized to obtain the antistatic DAP molding compound for injection molding of the present invention.
Embodiment 2
[0049] 1) Weigh the following components for later use: 30% of DAP resin; 4% of dicumyl peroxide; 3% of diallyl phthalate monomer; 1.5% of graphene; 37.5% of magnesium hydroxide; Calcium fatty acid 4%; glass fiber 20%.
[0050] 2) Take the inorganic filler and carry out conventional surface treatment with a silane coupling agent equivalent to 1% of its consumption;
[0051] 3) Mix the DAP resin with the surface-treated inorganic filler and other components evenly;
[0052] 4) put the mixed material into a twin-screw extruder for extrusion, the barrel temperature of the twin-screw extruder is 95-100°C, and the screw rotation speed is 110rpm;
[0053] 5) The extruded material is cooled and pulverized to obtain the antistatic DAP molding compound for injection molding of the present invention.
Embodiment 3
[0055] 1) Weigh the following components for later use: DAP resin 35%; α,α'bis(tert-butyl peroxide)-1,3-dicumene 4.5%, diallyl phthalate monomer 1 %; dibutyl phthalate 1.5%; graphene 1%; conductive graphite 2%; magnesium hydroxide 32%; zinc stearate 3%; glass fiber 20%.
[0056] 2) Take the inorganic filler and carry out conventional surface treatment with an aluminate coupling agent equivalent to 2% of its consumption;
[0057] 3) Mix the DAP resin with the surface-treated inorganic filler and other components evenly;
[0058] 4) put the mixed material into a twin-screw extruder for extrusion, the barrel temperature of the twin-screw extruder is 85-95°C, and the screw rotation speed is 120rpm;
[0059] 5) The extruded material is cooled and pulverized to obtain the antistatic DAP molding compound for injection molding of the present invention.
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