A kind of infiltration active adjustment device and its preparation method
An adjustment device and wettability technology, applied in the direction of manufacturing tools, additive manufacturing, metal processing equipment, etc., can solve problems such as the inability to realize the multifunctional integrated forming of interface materials, the inability to form three-dimensional structures, and the difficulty in meeting application requirements. Improve the degree of hydrophilicity or hydrophobicity and sensitivity, high stability and precision, and simple control
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Embodiment 1
[0043] In this embodiment, the outer surface of the base structure 100 has a length of 1000 mm, a width of 40 mm, and a thickness of 8 mm. A driving structure 200 is arranged inside, and the diameter of the interface 210 for inputting current to the driving structure 200 is 0.3 mm. The adjustment structure 300 has a height of 8 mm and a diameter of 2 mm. Before deformation, it is a hydrophobic structure, and at the end of deformation, it is a hydrophilic structure. The wettability regulating structure 300 ends with a plurality of bifurcations.
[0044] The material of the base structure 100 is polylactic acid, the material of the driving structure 200 is polylactic acid / carbon black, the material of the inner core 310 is polycaprolactone with shape memory function, and the material of the wettable material 320 is silk fibroin.
[0045] Input a voltage to the driving structure 200, and the driving structure 200 transmits the current to the inner core 310 connected to it to hea...
Embodiment 2
[0061] In this example, the matrix structure is made of polylactic acid material, the driving structure is made of polylactic acid / carbon black, the inner core of the wettability adjustment structure is made of shape memory polymer polycaprolactone, and the wettability is mainly changed by changing the wettability Multiple branching head implementations of sexual regulatory structures.
[0062] The three-dimensional model of the infiltration active adjustment device was established by using the three-dimensional modeling software SolidWorks, etc., in which the base structure, driving structure and infiltration adjustment structure were assembled into components in the form of parts, and the STL format file was exported after the establishment of the three-dimensional model. Import the STL file into the 4D printing software system, and formulate the printing materials and printing parameters required for different structures. The base layer thickness of the device is 0.2mm, and...
Embodiment 3
[0067] In this embodiment, the matrix structure is made of hydrogel material, the driving structure is made of polypyrrole, and the wettability adjustment structure is made of piezoelectric material polyvinylidene fluoride.
[0068] The three-dimensional model method of the infiltration active regulation device is the same as that in Example 2.
[0069] Import the STL file into the 4D printing software system, and formulate the printing materials and printing parameters required for different structures. The thickness of the substrate structure is 0.1mm, and the printing speed is 50mm / s; the thickness of the driving structure is 0.1mm, and the printing speed is 10mm / s; the thickness of the inner core layer is 0.02mm, and the printing speed is 5mm / s; s. After completing the printing parameter setting, the software system slices the 3D model, generates motion trajectories, and controls the motion of each component of the 4D printer.
[0070] Each printing material was dissolve...
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Abstract
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