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Photocuring 3D printing slurry suitable for ceramic powder with high refractive index and high absorptivity and preparation method of photocuring 3D printing slurry
The invention relates to the field of ceramic 3D printing, in particular to a preparation method of photocuring 3D printing slurry suitable for high-refractive-index and high-absorptivity ceramic powder, which comprises the following steps: (1) preparing a monomer solvent from a monofunctional photocuring monomer, a bifunctional photocuring monomer and a trifunctional photocuring monomer; the preparation method comprises the following steps: adding a high-refractive-index photocuring monomer and urethane acrylate into a monomer solvent to form a premixed solution; the refractive index of the high-refractive-index photocuring monomer is higher than or equal to 1.57; (2) adding high-refractive-index and high-absorptivity ceramic powder into the premixed liquid to form ceramic slurry; the refractive index of the high-refractive-index and high-absorptivity ceramic powder is greater than or equal to 2.0, and the absorptivity is greater than or equal to 0.5; and (3) gradually adding a dispersing agent, a light absorber and a photoinitiator into the ceramic slurry, and carrying out ball milling to obtain the photocuring 3D printing slurry. The slurry prepared by the invention is high in curing thickness, can meet the requirement of photocuring 3D printing on the curing thickness of the slurry, is strong in interlayer bonding of printed ceramic, and is excellent in mechanical and thermal properties after being sintered.
本发明涉及陶瓷3D打印领域，涉及一种适应于高折射率高吸收率陶瓷粉体的光固化3D打印浆料制备方法，包括(1)将单官光固化单体、双官光固化单体和三官光固化单体配制成单体溶剂；将高折射率光固化单体和聚氨酯丙烯酸酯加入至单体溶剂中，形成预混液；高折射率光固化单体的折射率高于或等于1.57；(2)向预混液中加入高折射率高吸收率陶瓷粉体形成陶瓷浆料；高折射率高吸收率陶瓷粉体为折射率大于或等于2.0，吸收率大于或等于0.5；(3)向陶瓷浆料中逐步加入分散剂、光吸收剂和光引发剂，球磨后得到光固化3D打印浆料。通过本发明制备的浆料固化厚度高，能够满足光固化3D打印对浆料固化厚度的要求，打印陶瓷层间结合强，经烧结后力学和热学性能优异。
Photocuring 3D printing slurry suitable for ceramic powder with high refractive index and high absorptivity and preparation method of photocuring 3D printing slurry
The invention relates to the field of ceramic 3D printing, in particular to a preparation method of photocuring 3D printing slurry suitable for high-refractive-index and high-absorptivity ceramic powder, which comprises the following steps: (1) preparing a monomer solvent from a monofunctional photocuring monomer, a bifunctional photocuring monomer and a trifunctional photocuring monomer; the preparation method comprises the following steps: adding a high-refractive-index photocuring monomer and urethane acrylate into a monomer solvent to form a premixed solution; the refractive index of the high-refractive-index photocuring monomer is higher than or equal to 1.57; (2) adding high-refractive-index and high-absorptivity ceramic powder into the premixed liquid to form ceramic slurry; the refractive index of the high-refractive-index and high-absorptivity ceramic powder is greater than or equal to 2.0, and the absorptivity is greater than or equal to 0.5; and (3) gradually adding a dispersing agent, a light absorber and a photoinitiator into the ceramic slurry, and carrying out ball milling to obtain the photocuring 3D printing slurry. The slurry prepared by the invention is high in curing thickness, can meet the requirement of photocuring 3D printing on the curing thickness of the slurry, is strong in interlayer bonding of printed ceramic, and is excellent in mechanical and thermal properties after being sintered.
本发明涉及陶瓷3D打印领域，涉及一种适应于高折射率高吸收率陶瓷粉体的光固化3D打印浆料制备方法，包括(1)将单官光固化单体、双官光固化单体和三官光固化单体配制成单体溶剂；将高折射率光固化单体和聚氨酯丙烯酸酯加入至单体溶剂中，形成预混液；高折射率光固化单体的折射率高于或等于1.57；(2)向预混液中加入高折射率高吸收率陶瓷粉体形成陶瓷浆料；高折射率高吸收率陶瓷粉体为折射率大于或等于2.0，吸收率大于或等于0.5；(3)向陶瓷浆料中逐步加入分散剂、光吸收剂和光引发剂，球磨后得到光固化3D打印浆料。通过本发明制备的浆料固化厚度高，能够满足光固化3D打印对浆料固化厚度的要求，打印陶瓷层间结合强，经烧结后力学和热学性能优异。
Photocuring 3D printing slurry suitable for ceramic powder with high refractive index and high absorptivity and preparation method of photocuring 3D printing slurry
一种适用于高折射率高吸收率陶瓷粉体的光固化3D打印浆料及制备方法
YAN CHUNZE (author) / ZHOU SHIXIANG (author) / LIU GUIZHOU (author) / SHI YUSHENG (author)
2024-01-30
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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