High-light-transmission high-light-shading ABS (acrylonitrile butadiene styrene) material and preparation method thereof
A technology of ABS material and ABS resin, which is applied in the field of high light transmittance, high light shading ABS material and its preparation, can solve the problems of insufficient light transmittance, poor light shading performance, poor astigmatism, etc., and achieve high light transmittance and high product quality. High, low production cost effect
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Embodiment 1
[0041] First, put 0.2% antioxidant 1076, 0.3% silicone resin light diffusing agent with a particle size of 1 μm into a high-speed mixer and stir evenly. The stirring speed is 100r / min, and the stirring time is 4min; then add 99.5% East Li company's ABS 920 / 900 resin is mixed in three stages. The stirring speed of the first stage is 20r / min, and the stirring time is 4min. The stirring speed of the second stage is 100r / min, and the stirring time is 4min. The stirring speed of the three-stage stirring is 10r / min, and the stirring time is 3min; finally, the uniformly mixed material is put into a twin-screw extruder for extrusion granulation; the extrusion temperature of the pellet feeding section is 170°C, and the plasticizing section extrudes The temperature is 190°C, the extrusion temperature in the melt delivery section is 190°C, the head temperature is 200°C, and the vacuum degree during extrusion granulation is 0.8MPa.
Embodiment 2
[0043] First put 0.3% antioxidant 168 and 1.3% silicone resin light diffusing agent with a particle size of 2 μm into a high-speed mixer and stir evenly. The stirring speed is 120r / min and the stirring time is 4min; then add 98.4% Chimei The company's ABS 758 resin is mixed in three stages. The stirring speed of the first stage is 25r / min, and the stirring time is 3min. The stirring speed of the second stage is 120r / min, and the stirring time is 3min. The stirring speed is 20r / min, and the stirring time is 2.5min; finally, put the uniformly mixed material into the twin-screw extruder for extrusion and granulation; the extrusion temperature of the pellet feeding section is 175°C, and the extrusion temperature of the plasticizing section is 190°C, the extrusion temperature in the melt conveying section is 190°C, the head temperature is 200°C, and the vacuum degree during extrusion granulation is 0.75MPa.
Embodiment 3
[0045] First put 0.1% antioxidant 1076, 0.1% antioxidant 168, and 2.3% silicone resin light diffusing agent with a particle size of 2 μm into a high-speed mixer and stir evenly. The stirring speed is 140r / min, and the stirring time is 3min; then add 97.5% ABS 920 / 900 resin from Dongli Company and carry out three-stage stirring, the stirring speed of the first stage is 30r / min, the stirring time is 3min, and the stirring speed of the second stage is 140r / min , the stirring time is 3min, the stirring speed of the third stage stirring is 30r / min, and the stirring time is 2min; finally, the mixed homogeneous material is put into a twin-screw extruder for extrusion granulation; the extrusion temperature of the pellet feeding section is 180 °C, the extrusion temperature in the plasticizing section is 195 °C, the extrusion temperature in the melt delivery section is 195 °C, the head temperature is 205 °C, and the vacuum degree during extrusion granulation is 0.7 MPa.
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