Carbon fiber reinforced polyetherimide/polyphenylene sulfide composite material and preparation method thereof
A technology of polyetherimide and polyphenylene sulfide, which is applied in the field of preparation of polymer composite materials, can solve the problems of unseen research literature and patent reports, low impact strength, poor toughness, etc., and reduce drying costs. , High heat-resistant temperature, and the effect of reducing moisture content
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Embodiment 1
[0030] The proportioning is carried out according to the following composition by mass percentage: 29.8% of polyetherimide, 60% of polyphenylene sulfide, 10% of carbon fiber, and 0.2% of lubricant.
[0031] Place polyetherimide and polyphenylene sulfide in a vacuum oven at 150°C and 120°C for 4 hours to dry, then add accurately weighed polyetherimide, polyphenylene sulfide, and lubricant to the Blend on high speed for 5 minutes.
[0032] Add the above-mentioned materials that have been stirred evenly into the hopper of the parallel twin-screw extruder, add carbon fiber from the vent hole of the extruder, and set the temperature of each section of the extruder from the hopper to the die head (a total of six zones) : 270°C, 290°C, 300°C, 310°C, 320°C, 320°C, the screw speed of the main machine is 360r / min, the speed of the hopper feeding screw is 48r / min, and then the materials are blended and melted and extruded.
[0033] The above-mentioned strips coming out of the die of the...
Embodiment 2
[0035] The proportioning is carried out according to the following composition by mass percentage: 34.7% of polyetherimide, 50% of polyphenylene sulfide, 15% of carbon fiber, and 0.3% of lubricant.
[0036] Place polyetherimide and polyphenylene sulfide in a vacuum oven at 150°C and 120°C for 4 hours to dry, then add accurately weighed polyetherimide, polyphenylene sulfide, and lubricant to the Blend on high speed for 5 minutes.
[0037] Add the above-mentioned materials that have been stirred evenly into the hopper of the parallel twin-screw extruder, add carbon fiber from the vent hole of the extruder, and set the temperature of each section of the extruder from the hopper to the die head (a total of six zones) : 280°C, 290°C, 310°C, 320°C, 320°C, 330°C, the screw speed of the main machine is 380r / min, the speed of the hopper feeding screw is 45r / min, and then the materials are blended and melted and extruded.
[0038]The above-mentioned strips coming out of the die of the ...
Embodiment 3
[0040] The proportioning is carried out according to the following composition by mass percentage: 39.5% of polyetherimide, 40% of polyphenylene sulfide, 20% of carbon fiber, and 0.5% of lubricant.
[0041] Place polyetherimide and polyphenylene sulfide in a vacuum oven at 150°C and 120°C to dry for 5 hours, then add accurately weighed polyetherimide, polyphenylene sulfide, and lubricant to the Blend on high speed for 8 minutes.
[0042] Add the above-mentioned materials that have been stirred evenly into the hopper of the parallel twin-screw extruder, add carbon fiber from the vent hole of the extruder, and set the temperature of each section of the extruder from the hopper to the die head (a total of six zones) : 280°C, 290°C, 310°C, 320°C, 320°C, 330°C, the screw speed of the main machine is 400r / min, the speed of the hopper feeding screw is 40r / min, and then the materials are blended and melted and extruded.
[0043] The above-mentioned strips coming out of the die of the...
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