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High-performance BaTiO3-based ceramic dielectric material with core-shell structure and preparation method thereof
The invention discloses a high-performance BaTiO3-based ceramic dielectric material with a core-shell structure and a preparation method thereof. The dielectric material comprises the following raw materials in parts by weight: 10-15 parts of a barium titanate base material and 5-8 parts of a coating material, the barium titanate base material is prepared through condensation of carboxyl on the surface of graphene and amino on the surface of an amination pre-carrier, the interface effect between matrixes can be relieved through coating of silicon dioxide, higher voltage can be shared, the voltage resistance of the dielectric material is improved, gamma aminopropyl triethoxy silane and dimethyl dimethoxy silane are used as raw materials of the coating material to react to prepare organic silicon resin, and then the organic silicon resin reacts with an intermediate 5, so that amino on the organic silicon resin reacts with bromomethyl on the intermediate 5 to prepare the coating material.According to the coating material, the temperature stability of the dielectric material is improved, the dielectric loss is lower, and the service life of the dielectric material is prolonged.
本发明公开了一种高性能核壳结构BaTiO3基陶瓷介质材料及其制备方法，该介质材料包如下重量份原料：钛酸钡基料10‑15份和包覆材料5‑8份；钛酸钡基料通过石墨烯表面的羧基和氨基化预载体表面的氨基，进行缩合制得钛酸钡基料，二氧化硅的包覆可以缓和基体之间的界面效应，且能够分担更高的电压，提升介质材料的耐电压性能，包覆材料用γ‑氨丙基三乙氧基硅烷和二甲基二甲氧基硅烷为原料，进行反应，制得有机硅树脂，进而将有机硅树脂与中间体5进行反应，使得有机硅树脂上的氨基和中间体5上的溴甲基进行反应制得包覆材料，该包覆材料使得介质材料的温度稳定性提升，且介电损耗更低，使得介质材料的使用寿命增长。
High-performance BaTiO3-based ceramic dielectric material with core-shell structure and preparation method thereof
The invention discloses a high-performance BaTiO3-based ceramic dielectric material with a core-shell structure and a preparation method thereof. The dielectric material comprises the following raw materials in parts by weight: 10-15 parts of a barium titanate base material and 5-8 parts of a coating material, the barium titanate base material is prepared through condensation of carboxyl on the surface of graphene and amino on the surface of an amination pre-carrier, the interface effect between matrixes can be relieved through coating of silicon dioxide, higher voltage can be shared, the voltage resistance of the dielectric material is improved, gamma aminopropyl triethoxy silane and dimethyl dimethoxy silane are used as raw materials of the coating material to react to prepare organic silicon resin, and then the organic silicon resin reacts with an intermediate 5, so that amino on the organic silicon resin reacts with bromomethyl on the intermediate 5 to prepare the coating material.According to the coating material, the temperature stability of the dielectric material is improved, the dielectric loss is lower, and the service life of the dielectric material is prolonged.
本发明公开了一种高性能核壳结构BaTiO3基陶瓷介质材料及其制备方法，该介质材料包如下重量份原料：钛酸钡基料10‑15份和包覆材料5‑8份；钛酸钡基料通过石墨烯表面的羧基和氨基化预载体表面的氨基，进行缩合制得钛酸钡基料，二氧化硅的包覆可以缓和基体之间的界面效应，且能够分担更高的电压，提升介质材料的耐电压性能，包覆材料用γ‑氨丙基三乙氧基硅烷和二甲基二甲氧基硅烷为原料，进行反应，制得有机硅树脂，进而将有机硅树脂与中间体5进行反应，使得有机硅树脂上的氨基和中间体5上的溴甲基进行反应制得包覆材料，该包覆材料使得介质材料的温度稳定性提升，且介电损耗更低，使得介质材料的使用寿命增长。
High-performance BaTiO3-based ceramic dielectric material with core-shell structure and preparation method thereof
一种高性能核壳结构BaTiO3基陶瓷介质材料及其制备方法
LIU ZHIFU (author) / MA MINGSHENG (author) / CHU XIAOLAN (author) / LUO YACHENG (author) / ZHANG JIANGANG (author)
2021-01-05
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
C08G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
,
Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind
/
H01G
Kondensatoren
,
CAPACITORS
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