Dual-cured ceramic material for additive manufacturing and preparation method and application of dual-cured ceramic material
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A ceramic material and additive manufacturing technology, applied in the field of additive manufacturing materials, which can solve the problems of difficult-to-solidify ceramic materials, such as difficulty in printing
Inactive Publication Date: 2020-01-17
SHENZHEN SUNSHINE LASER & ELECTRONICS TECH CO LTD
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Abstract
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Problems solved by technology
The dual-cured ceramic material of the present application has sufficient solidification depth in the 3D printing
Method used
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experiment example 1
[0043] Experimental Example 1 used the components in weight proportion shown in Table 1.
[0044] Table 1 Components used in Experimental Example 1
[0045]
[0046]
[0047] The specific preparation method of Experimental Example 1 is as follows.
[0048] Put urethane acrylate, epoxy resin, and active monomer HEMA (hydroxyethyl methacrylate) into a beaker; use an electric stirrer to disperse, set the speed at 200r / min, and stir for 20min to obtain a uniformly mixed solvent.
[0049] Add dispersant polyethylene glycol, photoinitiator TPO, photoinitiator diaryliodonium salt, thermal initiator BPO, thermal accelerator BDMA, polymerization inhibitor p-hydroxyanisole, Drewplus disinfectant to the solvent at room temperature Foaming agent, leveling agent BYK-333, MgO-Al 2 o 3 -SiO2 Composite sintering aids were dispersed for 30 minutes with an electric stirrer at a speed of 200 r / min to obtain a resin-based solution. This step should be performed in the dark.
[0050] Pu...
experiment example 2
[0054] Experimental Example 2 used the components in weight proportion shown in Table 2.
[0055] Table 2 Components used in Experimental Example 2
[0056]
[0057]
[0058] The specific preparation method of Experimental Example 2 is the same as that of Experimental Example 1.
experiment example 3
[0060] Experimental Example 3 used the components in weight proportion shown in Table 3.
[0061] Table 3 Components used in Experimental Example 3
[0062] Element Weight ratio urethane acrylate 1％ active monomer TEGDMA 30％ Photoinitiator 819 1％ Thermal curing initiator BPO 5％ Thermal Accelerator N,N-Dimethylaniline 1％ Leveling agent BYK-358 0.1％ CaO-Al 2 o 3 -SiO 2 Composite sintering aid
[0063] The specific preparation method of Experimental Example 3 is the same as that of Experimental Example 1.
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Abstract
The present application discloses a dual-cured ceramic material for additive manufacturing and a preparation method and application of the dual-cured ceramic material. The preparation method comprisesthe steps that an oligomer and a reactive monomer are stirred and mixed to obtain a solvent; a dispersant is added into the solvent to uniformly disperse liquid; a photoinitiator, a thermal initiatorand a thermal curing accelerator are added, and after each reagent is added, the solution is fully stirred until uniform mixed; a defoamer, a polymerization inhibitor, a leveling agent and a sintering aid are added to obtain a resin-based solution, and after each reagent is added, the solution is fully stirred until uniform mixed; ceramic powder is dispersed in the resin-based solution, and ball-milling is carried out on the prepared material after the dispersion is completed; and after the material is ball-milled to be uniform, the obtained material is evacuated and stirred to eliminate airbubbles. The dual-cured ceramic material is prepared by the preparation method. The dual-cured ceramic material can be applied to additive manufacturing. The solidification depth of materials can be increased.
Description
technical field [0001] The present application relates to the technical field of additive manufacturing materials, in particular to a dual-cured ceramic material for additive manufacturing and its preparation method and application. Background technique [0002] After a period of development, additive manufacturing technology (also known as 3D printing technology or rapid prototyping technology) has gradually begun to play a role in important national economic fields such as personalized medicine, aerospace, architectural design, and automobile manufacturing. Additive manufacturing technology is based on a digital model, using bondable materials such as powdered metals, thermoplastics, and light-curing resins to construct objects by layer-by-layer printing. Compared with 3D printing materials such as polymer resins and metal materials, there are technical difficulties that are difficult to overcome in the development of ceramic materials. Limitation, it is difficult to form...
Claims
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