Continuous fiber enhanced PEEK (Polyether-Ether-Ketone) resin and forming method thereof
A polyetheretherketone resin and continuous fiber technology, which is applied in the field of PEEK resin molding, can solve the problems of inability to prepare continuous fibers and poor mechanical properties of products, and achieve excellent mechanical properties, warpage resistance, and excellent mechanical properties. Effect
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Embodiment 1
[0038] Weigh 200 g of polyetheretherketone superfine powder with a particle size of 10 microns and 400 g of ethanol using a high-speed mixer at a speed of 1440 r / min, and blend for 5 minutes to obtain a premix;
[0039] Add 50g of hydroxymethylcellulose polyethylene glycol into 2000g of purified water to fully dissolve, put the aqueous solution and 400g of the premix into a high-speed disperser, 2500r / min, and disperse for 5min to obtain a PEEK dispersion;
[0040]Put the dispersion in an impregnation tank equipped with ultrasonic dispersion, use 1k carbon fiber, pass through the impregnation tank, and disperse under the action of ultrasonic waves. The frequency of the ultrasonic wave is 28KHz, the power is 1000w, and the PEEK powder enters the carbon fiber gap In the process, through a smooth pair of rollers, the excess suspension is squeezed out, the gap between the rollers is controlled between 0.1mm, and then through the drying section, the temperature is set at 120 ° C, th...
Embodiment 2
[0043] Weigh 200 g of polyetheretherketone superfine powder with a particle size of 50 microns, and 500 g of dimethylformamide, use a high-speed mixer at a speed of 1440 r / min, and blend for 8 minutes to obtain a premix;
[0044] Add 50g of polyvinyl alcohol pyrrolidone into 5000g of purified water to fully dissolve, put the aqueous solution and 400g of the premix into a high-speed disperser, 2500r / min, and disperse for 5min to obtain a PEEK dispersion;
[0045] Put the dispersion in an impregnation tank equipped with ultrasonic dispersion, use 3k carbon fibers, pass through the impregnation tank, and disperse under the action of ultrasonic waves. The frequency of the ultrasonic waves is 28KHz, the power is 3000w, and the PEEK powder enters the carbon fiber gap In the process, through a smooth pair of rollers, the excess suspension is squeezed out, the gap between the rollers is controlled between 0.2mm, and then through the drying section, the temperature is set at 260 ° C, th...
Embodiment 3
[0049] Weigh 200 g of micron ultrafine powder with a particle size of 20 microns, and 600 g of acetone using a high-speed mixer at a speed of 1440 r / min, and blend for 5 minutes to obtain a premix;
[0050] Add 10g of hydroxymethylcellulose polyethylene glycol to 5000g of purified water to fully dissolve, put the aqueous solution and 800g of the premix into a high-speed disperser, 2500r / min, and disperse for 5min to obtain a PEEK dispersion;
[0051] Put the dispersion liquid in an impregnation tank equipped with ultrasonic dispersion, use glass fiber, pass through the impregnation tank, and disperse under the action of ultrasonic waves. The frequency of the ultrasonic wave is 28KHz, the power is 2000w, and the PEEK powder enters the gap between the glass fibers In the middle, through a smooth pair of rollers, the excess suspension is squeezed out, the gap between the rollers is controlled between 0.3mm, and then through the drying section, the temperature is set at 200 ° C, th...
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