Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method for preparing hierarchical porous ceramic through photocuring forming of photosensitive emulsion/foam
The invention belongs to the field of porous ceramic materials, and relates to a method for preparing hierarchical porous ceramic through photocuring forming of photosensitive emulsion/foam, and the method comprises the following steps: adding deionized water into ceramic powder and/or ceramic powder oxide sol nanoparticles, and carrying out ultrasonic treatment and ball milling to obtain ceramic slurry with uniformly dispersed ceramic particles; a photosensitive monomer and a photoinitiator are added into the ceramic slurry, a surface modifier is added for surface hydrophobic modification, stable photosensitive particle stable emulsion/foam with the photosensitive characteristic is prepared after sufficient stirring and mixing, and an oil phase needs to be introduced into emulsion preparation; the photosensitive particle stable emulsion/foam is used for forming parts with complex shapes on photocuring forming 3D printing equipment, and the hierarchical porous ceramic with a porous framework is obtained through drying, degreasing and sintering. According to the method, a novel paste source is provided for the photocuring 3D printing technology, and a micron-scale or nano-scale hole structure is introduced into a 3D printing forming framework.
本发明属于多孔陶瓷材料领域，涉及一种光敏乳液/泡沫的光固化成形制备多级孔陶瓷的方法，所述方法包括：向陶瓷粉体和/或陶瓷粉体氧化物溶胶纳米颗粒中加入去离子水，通过超声、球磨制备获得陶瓷颗粒分散均匀的陶瓷浆料；向所述陶瓷浆料中加入光敏性单体及光引发剂，加入表面改性剂进行表面疏水改性，经充分搅拌混合后制得稳定且具有光敏特性的光敏性颗粒稳定乳液/泡沫，其中乳液制备还需引入油相；将所述光敏性颗粒稳定乳液/泡沫用于光固化成形3D打印设备上成形复杂形状的零部件，经干燥、脱脂、烧结得到骨架为多孔结构的多级孔陶瓷。本发明的方法为光固化3D打印技术提供新型膏体来源，并将微米级或纳米级孔洞结构引入3D打印成形骨架中。
Method for preparing hierarchical porous ceramic through photocuring forming of photosensitive emulsion/foam
The invention belongs to the field of porous ceramic materials, and relates to a method for preparing hierarchical porous ceramic through photocuring forming of photosensitive emulsion/foam, and the method comprises the following steps: adding deionized water into ceramic powder and/or ceramic powder oxide sol nanoparticles, and carrying out ultrasonic treatment and ball milling to obtain ceramic slurry with uniformly dispersed ceramic particles; a photosensitive monomer and a photoinitiator are added into the ceramic slurry, a surface modifier is added for surface hydrophobic modification, stable photosensitive particle stable emulsion/foam with the photosensitive characteristic is prepared after sufficient stirring and mixing, and an oil phase needs to be introduced into emulsion preparation; the photosensitive particle stable emulsion/foam is used for forming parts with complex shapes on photocuring forming 3D printing equipment, and the hierarchical porous ceramic with a porous framework is obtained through drying, degreasing and sintering. According to the method, a novel paste source is provided for the photocuring 3D printing technology, and a micron-scale or nano-scale hole structure is introduced into a 3D printing forming framework.
本发明属于多孔陶瓷材料领域，涉及一种光敏乳液/泡沫的光固化成形制备多级孔陶瓷的方法，所述方法包括：向陶瓷粉体和/或陶瓷粉体氧化物溶胶纳米颗粒中加入去离子水，通过超声、球磨制备获得陶瓷颗粒分散均匀的陶瓷浆料；向所述陶瓷浆料中加入光敏性单体及光引发剂，加入表面改性剂进行表面疏水改性，经充分搅拌混合后制得稳定且具有光敏特性的光敏性颗粒稳定乳液/泡沫，其中乳液制备还需引入油相；将所述光敏性颗粒稳定乳液/泡沫用于光固化成形3D打印设备上成形复杂形状的零部件，经干燥、脱脂、烧结得到骨架为多孔结构的多级孔陶瓷。本发明的方法为光固化3D打印技术提供新型膏体来源，并将微米级或纳米级孔洞结构引入3D打印成形骨架中。
Method for preparing hierarchical porous ceramic through photocuring forming of photosensitive emulsion/foam
一种光敏乳液/泡沫的光固化成形制备多级孔陶瓷的方法
ZHANG XIAOYAN (Autor:in) / YANG JUNJIE (Autor:in) / ZHANG SHENGEN (Autor:in) / LI WENHAO (Autor:in) / GUO JINGJING (Autor:in)
15.03.2022
Patent
Elektronische Ressource
Chinesisch
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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