Preparation of a reversible cross-linked barium titanate by surface modification with dioxaborolanes

被引：4

作者：

Dai, Xin ^{[1
]}

Yan, Qilin ^{[2
]}

Liu, Yang ^{[1
]}

Wang, Zhenxi ^{[1
]}

Zhang, Shangxi ^{[1
]}

Cao, Meng ^{[1
]}

Xu, Sheng ^{[1
]}

Jiang, Xinde ^{[1
]}

机构：

[1] Nanchang Inst Technol, Coll Sci, Nanchang 330099, Jiangxi, Peoples R China

[2] Jiangxi Univ Technol, Nanchang 330099, Jiangxi, Peoples R China

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2022年 / 642卷

基金：

中国国家自然科学基金;

关键词：

Surface modification; Barium titanate; Reversible cross-linked; Dioxaborolane; Permittivity; PERFORMANCE; NANOCOMPOSITES; VITRIMERS;

D O I：

10.1016/j.colsurfa.2022.128571

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Ceramic particles are widely used to prepare polymer/ceramic composites with high permittivity, but general modifications are not enough for dioxaborolanes contented functional polymers such as vitrimers. In this paper, a reversible cross-linked barium titanate (BaTiO3) was prepared by two kinds of dioxaborolanes modified BaTiO3. The formation of modified BaTiO3 is confirmed by FTIR, XPS and DSC. The TGA shows that modification reduced thermal stability of BaTiO3. It can be observed by SEM that three-dimensional network structure is formed in cross-linked BaTiO3. The frequency spectra of relative permittivity and dielectric loss are studied, indicating that the decrease of relative permittivity of modified BaTiO3 depends on the organic compound on the surface of BaTiO3. In addition, the cross-linked BaTiO3 shows a good dispersion in the dioxaborolanes based vitrimer.

引用

页数：7

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