Method and equipment for preparing continuous fiber-reinforced polyether-ether-ketone composite material prepreg tape

2015 
The invention discloses a method and equipment for manufacturing a continuous fiber-reinforced polyether-ether-ketone composite material prepreg tape. The method comprises the following steps: (1) splitting; (2) preheating; (3) cladding, namely, feeding the preheated continuous fiber bundle into a dipping mold to be mixed with modified PEEK resin melt extruded from a twin-screw extruder in the dipping mold, and cladding the modified PEEK resin melt on the continuous fiber bundle under the pressure action; and (4) winding. The equipment comprises a splitting device, a heating box, a material mixing device and a winding device which are arranged from left to right, wherein the material mixing device comprises the twin-screw extruder and the dipping mold; the dipping mold is connected with the twin-screw extruder and is used for cladding the resin melt flowing from a resin runner on the continuous fiber bundle under the pressure action; and the winding device is used for winding the prepreg tape which is discharged from the dipping mold. According to the method and the equipment, continuous production of the prepreg tape is ensured; blending modification and fiber dipping are integrated; the technological processes are reduced; and the efficiency is improved.
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