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High-transmittance zirconia ceramic and DLP-3D printing preparation method thereof
The invention relates to high-transmittance zirconia ceramic and a DLP-3D printing preparation method thereof.The method comprises the steps that zirconia ceramic slurry is subjected to photocuring printing forming, and a zirconia ceramic green body is obtained; the zirconia ceramic green body is subjected to cleaning, vacuum degreasing and two-step sintering, and a zirconia ceramic sample is obtained. The zirconium oxide ceramic powder comprises photosensitive resin, a dispersing agent and a photoinitiator, and the volume fraction of the zirconium oxide powder is 40%-50%, the volume fraction of the photosensitive resin is 35%-65%, the volume fraction of the dispersing agent is 1%-5%, and the volume fraction of the photoinitiator is 0.1%-1%. Mixing the zirconium oxide powder, distilled water, an acidic dispersant and ammonia water, carrying out planetary grinding, and freeze-drying to obtain the zirconium oxide ceramic powder. The volume fraction of the zirconium oxide powder is 60%-80%, the volume fraction of the distilled water is 10%-30%, the volume fraction of the acidic dispersant is 1%-10%, and the volume fraction of the ammonia water is 1%-10%. Compared with the prior art, the zirconia ceramic obtained by the invention has higher mechanical properties and optical properties, and can be well applied to the medical field.
本发明涉及一种高透氧化锆陶瓷及其DLP‑3D打印制备方法，将氧化锆陶瓷浆料进行光固化打印成型，得到氧化锆陶瓷生坯；将所述氧化锆陶瓷生坯清洗、真空脱脂、两步烧结，得到氧化锆陶瓷样品。氧化锆陶瓷粉体包括光敏树脂、分散剂、光引发剂，所述氧化锆粉体的体积分数为40％～50％，光敏树脂体积分数35％～65％，分散剂体积分数为1％～5％，光引发剂的体积分数为0.1％～1％。将氧化锆粉体、蒸馏水、酸性分散剂、氨水混合、行星研磨、冷冻干燥，得到氧化锆陶瓷粉体。所述氧化锆粉体的体积分数为60％～80％，蒸馏水体积分数为10％～30％、酸性分散剂体积分数为1％～10％、氨水的体积分数为1％～10％。与现有技术相比，本发明获得的氧化锆陶瓷，有更高的力学性能、光学性能，可以很好的运用于医疗领域。
High-transmittance zirconia ceramic and DLP-3D printing preparation method thereof
The invention relates to high-transmittance zirconia ceramic and a DLP-3D printing preparation method thereof.The method comprises the steps that zirconia ceramic slurry is subjected to photocuring printing forming, and a zirconia ceramic green body is obtained; the zirconia ceramic green body is subjected to cleaning, vacuum degreasing and two-step sintering, and a zirconia ceramic sample is obtained. The zirconium oxide ceramic powder comprises photosensitive resin, a dispersing agent and a photoinitiator, and the volume fraction of the zirconium oxide powder is 40%-50%, the volume fraction of the photosensitive resin is 35%-65%, the volume fraction of the dispersing agent is 1%-5%, and the volume fraction of the photoinitiator is 0.1%-1%. Mixing the zirconium oxide powder, distilled water, an acidic dispersant and ammonia water, carrying out planetary grinding, and freeze-drying to obtain the zirconium oxide ceramic powder. The volume fraction of the zirconium oxide powder is 60%-80%, the volume fraction of the distilled water is 10%-30%, the volume fraction of the acidic dispersant is 1%-10%, and the volume fraction of the ammonia water is 1%-10%. Compared with the prior art, the zirconia ceramic obtained by the invention has higher mechanical properties and optical properties, and can be well applied to the medical field.
本发明涉及一种高透氧化锆陶瓷及其DLP‑3D打印制备方法，将氧化锆陶瓷浆料进行光固化打印成型，得到氧化锆陶瓷生坯；将所述氧化锆陶瓷生坯清洗、真空脱脂、两步烧结，得到氧化锆陶瓷样品。氧化锆陶瓷粉体包括光敏树脂、分散剂、光引发剂，所述氧化锆粉体的体积分数为40％～50％，光敏树脂体积分数35％～65％，分散剂体积分数为1％～5％，光引发剂的体积分数为0.1％～1％。将氧化锆粉体、蒸馏水、酸性分散剂、氨水混合、行星研磨、冷冻干燥，得到氧化锆陶瓷粉体。所述氧化锆粉体的体积分数为60％～80％，蒸馏水体积分数为10％～30％、酸性分散剂体积分数为1％～10％、氨水的体积分数为1％～10％。与现有技术相比，本发明获得的氧化锆陶瓷，有更高的力学性能、光学性能，可以很好的运用于医疗领域。
High-transmittance zirconia ceramic and DLP-3D printing preparation method thereof
一种高透氧化锆陶瓷及其DLP-3D打印制备方法
ZHAO ZHE (author) / YIN HELI (author) / YAO YONGXIA (author) / XING BOHANG (author)
2024-10-29
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B33Y
ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
,
Additive (generative) Fertigung, d. h. die Herstellung von dreidimensionalen [3D] Bauteilen durch additive Abscheidung, additive Agglomeration oder additive Schichtung, z. B. durch 3D- Drucken, Stereolithografie oder selektives Lasersintern
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