A kind of plant fiber composite wire material with shape memory function and preparation method thereof for 3D printing
A composite wire, 3D printing technology, applied in the field of 3D printing, can solve the problem of high cost, achieve the effect of improving utilization, reducing material cost, and strong shape memory performance
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Embodiment 1
[0027] A plant fiber composite wire with shape memory function for 3D printing. The composite wire includes the following components in parts by mass: 5-45 parts of plant fiber powder, 55-95 parts of TPU and 0.5-2 parts of lubricant.
Embodiment 2
[0029] A plant fiber composite wire for 3D printing with shape memory function, the composite wire includes the following components in parts by mass: 5-45 parts of plant fiber powder, 55-95 parts of TPU, 1-20 parts of modifier and 0.5 ~2 parts lubricant.
Embodiment 3
[0031] A method for preparing a plant fiber composite wire for 3D printing with shape memory function, the steps of the preparation method are as follows: 5-45 parts of plant fiber powder, 55-95 parts of TPU, 1-20 parts of modifier and 0.5- 2 parts of lubricants are fully mixed and the obtained materials are melted and extruded through a parallel twin-screw extruder in the same direction, and then crushed into pellets, which are put into a single-screw extruder, and the pellets are melted at a certain temperature. Pulling speed to obtain plant fiber composite filaments for fused deposition 3D printing.
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