Polyether-ether-ketone-based synergistic flame-retardant nano composite material and preparation method thereof
A nanocomposite material, polyetheretherketone technology, which is applied in the field of polyetheretherketone-based synergistic flame retardant nanocomposite material and its preparation, can solve the problems affecting the comprehensive performance of polyetheretherketone and a wider range of applications, poor performance and other problems, to achieve the effects of excellent thermal stability and thermal oxidation resistance, high mechanical properties, and expanding application prospects
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Embodiment 1
[0042] Add octaphenyl cage siloxane and polyether ether ketone superfine powder with a particle size of less than 25 μm (produced by Changchun Jida Special Plastic Engineering Research Co., Ltd.) into the anhydrous ethanol dispersion, ultrasonically disperse for 24 hours, and then spin dry , the prepared mixed powder; the prepared mixed powder and the surface-modified nano-calcium carbonate with a particle size of 40-80nm are mixed into the polyether ether ketone powder with a particle size of 50-100 μm, and stirred at high speed for 20 minutes to obtain a synergistic flame-retardant Polyether ether ketone powder; the powder is extruded by twin-screw, and the heating temperatures in the five zones are respectively, the temperature in the first zone is 260°C, the temperature in the second zone is 350°C, the temperature in the third zone is 380°C, the temperature in the fourth zone is 385°C, and the temperature in the fifth zone is 380°C. The zone temperature is 390°C, the screw ...
Embodiment 2
[0049] Add octaphenyl cage siloxane and polyether ether ketone superfine powder with a particle size of less than 25 μm (produced by Changchun Jida Special Plastic Engineering Research Co., Ltd.) into the anhydrous ethanol dispersion, ultrasonically disperse for 24 hours, and then spin dry , the prepared mixed powder; the prepared mixed powder and the surface-modified nano-calcium carbonate with a particle size of 40-80nm are mixed into the polyether ether ketone powder with a particle size of 50-100 μm, and stirred at high speed for 20 minutes to obtain a synergistic flame-retardant Polyether ether ketone powder; the powder is extruded by twin-screw, and the heating temperatures in the five zones are respectively, the temperature in the first zone is 260°C, the temperature in the second zone is 350°C, the temperature in the third zone is 380°C, the temperature in the fourth zone is 385°C, and the temperature in the fifth zone is 380°C. The zone temperature is 390°C, the screw ...
Embodiment 3
[0056] Add octaphenyl cage siloxane and polyether ether ketone superfine powder with a particle size of less than 25 μm (produced by Changchun Jida Special Plastic Engineering Research Co., Ltd.) into the anhydrous ethanol dispersion, ultrasonically disperse for 24 hours, and then spin dry , the prepared mixed powder; the prepared mixed powder and the surface-modified nano-calcium carbonate with a particle size of 40-80nm are mixed into the polyether ether ketone powder with a particle size of 50-100 μm, and stirred at high speed for 20 minutes to obtain a synergistic flame-retardant Polyether ether ketone powder; the powder is extruded by twin-screw, and the heating temperatures in the five zones are respectively, the temperature in the first zone is 260°C, the temperature in the second zone is 350°C, the temperature in the third zone is 380°C, the temperature in the fourth zone is 385°C, and the temperature in the fifth zone is 380°C. The zone temperature is 390°C, the screw ...
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