Design and fabrication of high-dielectric BaTiO3/polyimide composite film with impedance gradient

被引：0

作者：

Wu Z. ^{[1
]}

Qin S. ^{[1
]}

Bai F. ^{[2
]}

Wu J. ^{[2
]}

机构：

[1] Beijing GK Huayi Technology Co. Ltd., Beijing

[2] School of Chemistry and Environment, Beihang University, Beijing

来源：

Fuhe Cailiao Xuebao/Acta Materiae Compositae Sinica | 2016年 / 33卷 / 12期

关键词：

BaTiO[!sub]3[!/sub; Composite; Dielectric gradient; High-dielectric; Polyimide;

D O I：

10.13801/j.cnki.fhclxb.20160128.001

中图分类号：

学科分类号：

摘要：

The dielectric constant of human skin and air have a large mismatch. The materials used for wearable devices need to have a great matching performance with human shin, which can not be achieved by solo material and structure. By using the in-situ polymerization method, a series of barium titanate (BaTiO3)/polyimide(PI) mixed solutions were synthesized. Then, by means of casting method step by step, a multilayer BaTiO3/PI composite film with impedance gradient was designed and fabricated. The results show that BaTiO3 nano-particles can distribute in the composite film uniformly. By adjusting the content of inorganic particles, the dielectric constant of prepared BaTiO3/PI composite film can be controlled in the range of 2.5-34.0. Besides, BaTiO3/PI composite film is insensible to the frequency of electric field and also has a good mechanical property, which can meet the requirements of wearable device materials. © 2016, BUAA Culture Media Group Ltd. All right reserved.

引用

页码：2712 / 2717

页数：5

共 22 条

[1]

Pang S.N., Study on technology and industry development of wearable devices, Telecommunications Network Technology, 5, 5, pp. 21-24, (2014)

[2]

Teng X.F., Zhang Y.T., M-health: Trends in wearable medical devices, Chinese Journal of Medical Instrumentation, 30, 5, pp. 330-340, (2006)

[3]

Ding S.J., Ge D.B., Impedance matching condition of electromagnetic absorbing material, Chinese Journal of Radio Science, 24, 6, pp. 1104-1108, (2009)

[4]

Gao Y.F., Shi J.M., Design and research on absorbing properties of a kind of double-layer absorbing materials, Surface Technology, 39, 2, pp. 93-95, (2010)

[5]

Rao Y., Takahashi A., Wong C.P., Di-block copolymer surfactant study to optimize filler dispersion in high dielectric constant polymer-ceramic composite, Composites Part A: Applied Science and Manufacturing, 34, 11, pp. 1113-1116, (2003)

[6]

Wang H.Y., Dang Z.M., Study on preparation and dielectric property of BaTiO<sub>3</sub>/PVDF composites, National Polymer Academic Papers Report Abstract Set in 2005, (2005)

[7]

Wolak M.A., Wan A.S., Shirk J.S., Et al., Imaging the effect of dielectric breakdown in a multilayered polymer film, Journal of Applied Polymer Science, 123, 4, pp. 2548-2557, (2012)

[8]

Shkatula S., Volpian O.D., Shvartsburg A.B., Et al., Artificial dispersion of all-dielectric gradient nanostructures: Frequency-selective interfaces and tunelinig-assisted broadband antireflection coatings, Journal of Applied Physics, 117, 24, (2015)

[9]

Huang X.Y., Ke Q.Q., Jiang P.K., Et al., Particle-filled polymer composites with high dielectric contant, Polymer Bulletin, 12, pp. 39-45, (2006)

[10]

Lu P.J., Wang Y.L., Sun Z.G., Et al., Polymer-based composites with high dielectric constant and low dielectric loss, Progress in Chenistry, 22, 8, pp. 1619-1625, (2010)

← 1 2 3 →