PBT/ABS alloy material and preparation method thereof
A technology of alloy materials and compositions, which is applied in the field of PBT/ABS alloy materials and their preparation, can solve the problems of limited wide application, large crystallization shrinkage rate, poor dimensional stability, etc., and achieve excellent physical and mechanical properties, simple preparation process, high The effect of mobility
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[0041] Example 1:
[0042]The weight ratio of PBT 41%, ABS 12%, compatibilizer 4.4%, enhancer 20% composite flame retardant (decabromodiphenylethane 15%, antimony trioxide 7%), lubricant 0.3%, 1010 0.15 %, 1680.15% are mixed uniformly in a plastic container; put the mixed raw materials into the hopper of the twin-screw extruder, melt and extrude, pelletize, fully plasticize, melt, compound, extrude and stretch , Cooling, pelletizing, drying and packaging; the processing technology is as follows: twin-screw extruder 230°C in the first zone, 235°C in the second zone, 235°C in the third zone, 235°C in the fourth zone, 235°C in the fifth zone, 230°C in the sixth zone, Seven zone 230℃, eight zone 230℃; the screw speed is controlled at 350 rpm; the residence time is 2-10min.
Example Embodiment
[0043] Example 2
[0044] The weight ratio of PBT 26.5%, ABS 26.5%, compatibilizer 6.4%, reinforcing agent 18% composite flame retardant (decabromodiphenylethane 15%, antimony trioxide 7%), lubricant 0.3%, 1010 0.15 %, 168, 0.15%, mixed uniformly in a plastic container; put the mixed raw materials into the feeding hopper of the twin-screw extruder, melt and extrude, pelletize, fully plasticize, melt, compound, and then extrude and draw Strip, cooling, pelletizing, drying and packaging; the processing technology is as follows: twin screw extruder at 230°C in the first zone, 235 in the second zone, 235 in the third zone, 235 in the fourth zone, 235 in the fifth zone, and 230 in the sixth zone. , Seven zone 230 ℃, eight zone 230 ℃; the screw speed is controlled at 350 rpm; the residence time is 2 to 10 min.
Example Embodiment
[0045] Example 3
[0046] The weight ratio of PBT 12.0%, ABS 41%, compatibilizer 3.5%, reinforcing agent 19% composite flame retardant (polybrominated styrene 15%, antimony trioxide 7%), lubricant 0.2%, 1010 0.15% , 1680.15% is mixed uniformly in a plastic container; put the mixed raw materials into the hopper of the twin-screw extruder, melt and extrude, pelletize, fully plasticize, melt, compound, then extrude, stretch, Cooling, pelletizing, drying and packaging; the processing technology is as follows: twin screw extruder at 230°C in the first zone, 235° in the second zone, 235°C in the third zone, 235°C in the fourth zone, 235°C in the fifth zone, 230°C in the sixth zone, and seven Zone 230°C, eight zone 230°C; screw revolutions are controlled at 350 revolutions per minute; residence time is 2-10 min.
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