Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of graphene composite porous silicon oxide ceramic
The invention discloses a preparation method of graphene composite porous silicon oxide ceramic, the graphene composite porous silicon oxide ceramic is composed of graphene foam and silicon oxide particles, silicon oxide is obtained by hydrolysis of silicate ester, the graphene foam is obtained by chemical crosslinking and reduction of graphene oxide, the mass content of graphene is 0.05%-5%, the mass content of silicon oxide is 95%-99.95%, and the mass content of silicon oxide particles is 0.1%-0.5%. Graphene oxide forms a three-dimensional network structure in the solvothermal process and is soaked in a silicate ester precursor solution, silicate ester is hydrolyzed to form silicon oxide nanoparticles which are attached to the surface of a graphene sheet layer, high-temperature annealing treatment is performed, graphene oxide is further reduced, meanwhile, silicon oxide particles are sintered and formed, and the composite material is obtained. The graphene composite porous silicon oxide ceramic has excellent conductivity, and has wide application prospects in the fields of catalysis, adsorption separation, flame retardance and the like.
本发明公开了一种石墨烯复合多孔氧化硅陶瓷的制备方法，由石墨烯泡沫和氧化硅粒子组成，氧化硅由硅酸酯水解得到，石墨烯泡沫由氧化石墨烯经过化学交联和还原得到，石墨烯的质量含量为0.05％‑5％，氧化硅的质量含量为95％‑99.95％，氧化石墨烯在溶剂热的过程中，形成三维网络结构，浸渍于硅酸酯前驱体溶液中，硅酸酯水解形成氧化硅纳米粒子附着在石墨烯片层表面，经过高温退火处理，氧化石墨烯进一步还原，同时氧化硅粒子烧结成型，形成石墨烯复合多孔氧化硅陶瓷，其具有优异的导电性能，在催化，吸附分离，阻燃等领域具有广阔的应用前景。
Preparation method of graphene composite porous silicon oxide ceramic
The invention discloses a preparation method of graphene composite porous silicon oxide ceramic, the graphene composite porous silicon oxide ceramic is composed of graphene foam and silicon oxide particles, silicon oxide is obtained by hydrolysis of silicate ester, the graphene foam is obtained by chemical crosslinking and reduction of graphene oxide, the mass content of graphene is 0.05%-5%, the mass content of silicon oxide is 95%-99.95%, and the mass content of silicon oxide particles is 0.1%-0.5%. Graphene oxide forms a three-dimensional network structure in the solvothermal process and is soaked in a silicate ester precursor solution, silicate ester is hydrolyzed to form silicon oxide nanoparticles which are attached to the surface of a graphene sheet layer, high-temperature annealing treatment is performed, graphene oxide is further reduced, meanwhile, silicon oxide particles are sintered and formed, and the composite material is obtained. The graphene composite porous silicon oxide ceramic has excellent conductivity, and has wide application prospects in the fields of catalysis, adsorption separation, flame retardance and the like.
本发明公开了一种石墨烯复合多孔氧化硅陶瓷的制备方法，由石墨烯泡沫和氧化硅粒子组成，氧化硅由硅酸酯水解得到，石墨烯泡沫由氧化石墨烯经过化学交联和还原得到，石墨烯的质量含量为0.05％‑5％，氧化硅的质量含量为95％‑99.95％，氧化石墨烯在溶剂热的过程中，形成三维网络结构，浸渍于硅酸酯前驱体溶液中，硅酸酯水解形成氧化硅纳米粒子附着在石墨烯片层表面，经过高温退火处理，氧化石墨烯进一步还原，同时氧化硅粒子烧结成型，形成石墨烯复合多孔氧化硅陶瓷，其具有优异的导电性能，在催化，吸附分离，阻燃等领域具有广阔的应用前景。
Preparation method of graphene composite porous silicon oxide ceramic
一种石墨烯复合多孔氧化硅陶瓷的制备方法
GE ZHEN (Autor:in) / LAI HAORAN (Autor:in) / LI JIYANG (Autor:in) / CHEN XI (Autor:in) / WU MENGQIANG (Autor:in)
05.05.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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