A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Photocuring silicon oxynitride ceramic slurry, preparation method thereof and preparation method of porous ceramic with complex structure
The invention relates to light-cured silicon oxynitride ceramic slurry, a preparation method thereof and a preparation method of porous ceramic with a complex structure. The slurry comprises modified ceramic mixed powder obtained by ball-milling mixed ceramic powder, a surface modifier and a dispersing agent, and premixed liquid, the mixed ceramic powder comprises ceramic powder and a sintering aid; the ceramic powder is silicon oxynitride powder; the sintering aid is yttrium oxide powder and alumina powder; the premixed liquid comprises a mixture and a photoinitiator; the mixture is a mixed liquid of bisphenol A type-bifunctional epoxy acrylate resin, bifunctional-aliphatic polyurethane acrylate resin, isobornyl methacrylate, trimethylolpropane triacrylate, dipentaerythritol hexaacrylate and 9, 9-bis [4-(2-hydroxyethoxy) phenyl] fluorene; 2, 4, 6-trimethylbenzoyl phenyl phosphonate is used as the photoinitiator; the preparation method of the porous ceramic with the complex structure by using the slurry comprises the processes of printing, degreasing and sintering, the photocuring forming of the silicon oxynitride ceramic complex part and the preparation of the ceramic with the complex structure are realized.
光固化氧氮化硅陶瓷浆料、制备及复杂结构多孔陶瓷制备方法，浆料包括由混合陶瓷粉体和表面改性剂、分散剂球磨得到改性陶瓷混合粉体以及预混液；混合陶瓷粉体包括陶瓷粉体、烧结助剂；陶瓷粉体为氧氮化硅粉；烧结助剂为氧化钇粉和氧化铝粉；预混液包括混合物和光引发剂；混合物为双酚A型‑二官能团环氧丙烯酸酯树脂、二官能‑脂肪族聚氨酯丙烯酸酯树脂、甲基丙烯酸异冰片酯、三羟甲基丙烷三丙烯酸酯、双季戊四醇六丙烯酸酯、9，9‑双[4‑(2‑羟乙氧基)苯基]芴的混合液体；光引发剂为2,4,6‑三甲基苯甲酰基苯基膦酸酯；利用浆料的复杂结构多孔陶瓷制备方法，包括打印、脱脂、烧结工艺；本发明实现氧氮化硅陶瓷复杂件的光固化成形及复杂结构陶瓷的制备。
Photocuring silicon oxynitride ceramic slurry, preparation method thereof and preparation method of porous ceramic with complex structure
The invention relates to light-cured silicon oxynitride ceramic slurry, a preparation method thereof and a preparation method of porous ceramic with a complex structure. The slurry comprises modified ceramic mixed powder obtained by ball-milling mixed ceramic powder, a surface modifier and a dispersing agent, and premixed liquid, the mixed ceramic powder comprises ceramic powder and a sintering aid; the ceramic powder is silicon oxynitride powder; the sintering aid is yttrium oxide powder and alumina powder; the premixed liquid comprises a mixture and a photoinitiator; the mixture is a mixed liquid of bisphenol A type-bifunctional epoxy acrylate resin, bifunctional-aliphatic polyurethane acrylate resin, isobornyl methacrylate, trimethylolpropane triacrylate, dipentaerythritol hexaacrylate and 9, 9-bis [4-(2-hydroxyethoxy) phenyl] fluorene; 2, 4, 6-trimethylbenzoyl phenyl phosphonate is used as the photoinitiator; the preparation method of the porous ceramic with the complex structure by using the slurry comprises the processes of printing, degreasing and sintering, the photocuring forming of the silicon oxynitride ceramic complex part and the preparation of the ceramic with the complex structure are realized.
光固化氧氮化硅陶瓷浆料、制备及复杂结构多孔陶瓷制备方法，浆料包括由混合陶瓷粉体和表面改性剂、分散剂球磨得到改性陶瓷混合粉体以及预混液；混合陶瓷粉体包括陶瓷粉体、烧结助剂；陶瓷粉体为氧氮化硅粉；烧结助剂为氧化钇粉和氧化铝粉；预混液包括混合物和光引发剂；混合物为双酚A型‑二官能团环氧丙烯酸酯树脂、二官能‑脂肪族聚氨酯丙烯酸酯树脂、甲基丙烯酸异冰片酯、三羟甲基丙烷三丙烯酸酯、双季戊四醇六丙烯酸酯、9，9‑双[4‑(2‑羟乙氧基)苯基]芴的混合液体；光引发剂为2,4,6‑三甲基苯甲酰基苯基膦酸酯；利用浆料的复杂结构多孔陶瓷制备方法，包括打印、脱脂、烧结工艺；本发明实现氧氮化硅陶瓷复杂件的光固化成形及复杂结构陶瓷的制备。
Photocuring silicon oxynitride ceramic slurry, preparation method thereof and preparation method of porous ceramic with complex structure
光固化氧氮化硅陶瓷浆料、制备及复杂结构多孔陶瓷制备方法
BAO CHONGGAO (author) / TU YOUPENG (author) / LI SHIJIA (author)
2024-08-02
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
Silicon carbide ceramic photocuring slurry and preparation method thereof
| European Patent Office | 2024
Photocuring formed ceramic slurry and preparation method thereof
| European Patent Office | 2024
Photocuring ceramic core slurry and preparation method thereof
| European Patent Office | 2024
| European Patent Office | 2024
| European Patent Office | 2024