Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
3D printing silicon nitride fiber aerogel and preparation method and application thereof
The invention discloses 3D printing silicon nitride fiber aerogel and a preparation method and application thereof. The method comprises the following steps: (1) carrying out high-temperature sintering on printing ink containing a silicon source, a carbon source and a polymer binder in a nitrogen atmosphere to obtain silicon nitride fiber aerogel; or (1 ') carrying out 3D printing on the printing ink containing the silicon source, the carbon source and the polymer binder to obtain a printed part; and carrying out high-temperature sintering on the printed part in a nitrogen atmosphere to obtain the silicon nitride fiber aerogel. The used raw materials are simple and cheap, the preparation process is simple, the silicon nitride fiber aerogel is obtained in a printing ink or direct ink writing mode for the first time, and the prepared silicon nitride fiber aerogel is complete in structure, can be endowed with a complex structure through the 3D printing method and can be applied to the fields of flame retardance, heat preservation, heat insulation, adsorption, sensors and the like.
本发明公开一种3D打印氮化硅纤维气凝胶及其制备方法与应用。所述方法包括如下步骤：(1)含有硅源、碳源和高分子粘结剂的打印墨水，在氮气气氛下高温烧结，得到所述氮化硅纤维气凝胶；或者(1’)含有硅源、碳源和高分子粘结剂的打印墨水经3D打印，得到打印制件；所述打印制件在氮气气氛下高温烧结，得到所述氮化硅纤维气凝胶。所用原料简单廉价，制备过程简单，首次以打印墨水或直接墨水书写方式得到氮化硅纤维气凝胶，制备的氮化硅纤维气凝胶结构完整，可通过所述3D打印方法赋予复杂结构，并可以应用于阻燃、保温、隔热、吸附、传感器等诸多领域。
3D printing silicon nitride fiber aerogel and preparation method and application thereof
The invention discloses 3D printing silicon nitride fiber aerogel and a preparation method and application thereof. The method comprises the following steps: (1) carrying out high-temperature sintering on printing ink containing a silicon source, a carbon source and a polymer binder in a nitrogen atmosphere to obtain silicon nitride fiber aerogel; or (1 ') carrying out 3D printing on the printing ink containing the silicon source, the carbon source and the polymer binder to obtain a printed part; and carrying out high-temperature sintering on the printed part in a nitrogen atmosphere to obtain the silicon nitride fiber aerogel. The used raw materials are simple and cheap, the preparation process is simple, the silicon nitride fiber aerogel is obtained in a printing ink or direct ink writing mode for the first time, and the prepared silicon nitride fiber aerogel is complete in structure, can be endowed with a complex structure through the 3D printing method and can be applied to the fields of flame retardance, heat preservation, heat insulation, adsorption, sensors and the like.
本发明公开一种3D打印氮化硅纤维气凝胶及其制备方法与应用。所述方法包括如下步骤：(1)含有硅源、碳源和高分子粘结剂的打印墨水，在氮气气氛下高温烧结，得到所述氮化硅纤维气凝胶；或者(1’)含有硅源、碳源和高分子粘结剂的打印墨水经3D打印，得到打印制件；所述打印制件在氮气气氛下高温烧结，得到所述氮化硅纤维气凝胶。所用原料简单廉价，制备过程简单，首次以打印墨水或直接墨水书写方式得到氮化硅纤维气凝胶，制备的氮化硅纤维气凝胶结构完整，可通过所述3D打印方法赋予复杂结构，并可以应用于阻燃、保温、隔热、吸附、传感器等诸多领域。
3D printing silicon nitride fiber aerogel and preparation method and application thereof
一种3D打印氮化硅纤维气凝胶及其制备方法与应用
ZHU GUANGDA (Autor:in) / HOU YI (Autor:in) / ZHAO NING (Autor:in) / XU JIAN (Autor:in)
07.12.2021
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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