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a nanotio 2 Composite material with insulating glass and preparation method thereof

A technology of insulating glass and composite materials, which is applied in the field of electronic information materials and components, can solve the problems of nonlinear characteristics and excessive crystal grains, affecting the breakdown strength, etc., and achieves high frequency stability, good compatibility, and breakdown. high intensity effect

Active Publication Date: 2018-01-12
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, high dielectric constant materials such as strontium barium titanate, lead zirconate titanate, and copper calcium titanate have problems such as nonlinear characteristics and excessive grain size affecting the breakdown strength.

Method used

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  • a nanotio <sub>2</sub> Composite material with insulating glass and preparation method thereof
  • a nanotio <sub>2</sub> Composite material with insulating glass and preparation method thereof
  • a nanotio <sub>2</sub> Composite material with insulating glass and preparation method thereof

Examples

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preparation example Construction

[0026] A kind of nano TiO 2A method for preparing a composite material with insulating glass, comprising the following steps:

[0027] Step 1, ingredients: according to insulating glass: 5 ~ 90wt% SiO 2 , 0~90wt%B 2 o 3 , 0~30wt%Al 2 o 3 , 0~30wt% CaO, 0~30wt% MgO, 0~30wt% BaO, 0~40wt% SrO, 0~30wt% ZrO 2 , 0~30wt%TiO 2 , 0-5wt% rare earth metal oxide, 0-5wt% mass percentage of each component in the alkali metal oxide, weighing the corresponding soluble salt, and preparing a glass precursor solution;

[0028] Step 2, preparation of sol: Diethylenetriamine (DETA) is slowly added to the precursor solution obtained in step 1, and the volume ratio of the precursor solution to diethylenetriamine is 1: (1-3) to form a sol;

[0029] Step 3, mixing: the sol obtained in step 2 and rutile nano-TiO 2 Mix and ball mill for 8-24 hours; form nano-TiO 2 Mix the slurry with insulating glass; the insulating glass accounts for rutile nano-TiO 2 0~50wt% of mass;

[0030] Step 4. Prepar...

Embodiment 1

[0039] A kind of nano TiO 2 A method for preparing a composite material with insulating glass, comprising the following steps:

[0040] Step 1, ingredients: use tetraethyl orthosilicate, barium acetate, boric acid, aluminum nitrate as raw materials, according to the insulating glass formula 63wt% SiO 2 -12wt%BaO-16wt%B 2 o 3 -9wt%Al 2 o 3 Weigh raw materials, dissolve ethyl orthosilicate, boric acid, aluminum nitrate in absolute ethanol, dissolve barium acetate in acetic acid, then dissolve ethyl orthosilicate, boric acid, aluminum nitrate in ethanol and dissolve with Barium acetate and acetic acid are mixed to obtain a glass precursor solution;

[0041] Step 2, preparation of sol: slowly add diethylenetriamine (DETA) to the precursor solution obtained in step 1, and the volume ratio of the precursor solution to diethylenetriamine is 1:1 to form a sol;

[0042] Step 3, mixing: the sol obtained in step 2 and rutile nano-TiO 2 Mix and ball mill for 12h; form nano-TiO 2 M...

Embodiment 2

[0054] A kind of nano TiO 2 A method for preparing a composite material with insulating glass, comprising the following steps:

[0055] Step 1, ingredients: use tetraethyl orthosilicate, aluminum nitrate, magnesium nitrate, calcium nitrate as raw materials, according to the insulating glass formula 5wt%MgO-7wt%CaO-26wt%Al 2 o 3 -62wt% SiO 2 Weigh the raw materials, dissolve ethyl orthosilicate, aluminum nitrate, magnesium nitrate, and calcium nitrate in absolute ethanol to obtain a glass precursor solution;

[0056] Step 2, preparation of sol: slowly add diethylenetriamine (DETA) to the precursor solution obtained in step 1, and the volume ratio of the precursor solution to diethylenetriamine is 1:1 to form a sol;

[0057] Step 3, mixing: the sol obtained in step 2 and rutile nano-TiO 2 Mix and ball mill for 18h to form nano-TiO 2 Mix the slurry with insulating glass that accounts for rutile nano-TiO 2 15wt% of the mass; the rutile nano-TiO 2 The purity is 99.99%, and t...

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Abstract

A kind of nano TiO 2 A composite material with insulating glass and a preparation method thereof belong to the field of electronic information materials and components. The composite material includes rutile nano-TiO 2 Main material and quality Insulating glass whose main material is 0-50wt%; the mass percentage of each component of insulating glass: SiO 2 5~90wt%, B 2 o 3 0~90wt%, Al 2 o 3 0~30wt%, CaO 0~30wt%, MgO 0~30wt%, BaO 0~30wt%, SrO 0~40wt%, ZrO 2 0~30wt%, TiO 2 0-30 wt%, rare earth metal oxides 0-5 wt%, alkali metal oxides 0-5 wt%. Nano TiO of the present invention 2 The composite material with insulating glass is applied to the energy storage material, which can effectively improve the energy storage density and density of the energy storage material; and the preparation process is simple, which is convenient for application promotion and mass production.

Description

technical field [0001] The invention belongs to the field of electronic information materials and components, in particular to a nano-TiO 2 Composite material with insulating glass and preparation method thereof. Background technique [0002] Capacitors with high energy storage density are playing an increasingly important role in various power and electronic systems. With the development of related electronic products in the direction of miniaturization, light weight and multi-function, higher requirements are put forward for the energy storage density of capacitors, and the key to improving the energy storage characteristics of capacitors is to develop materials with high energy storage density. [0003] TiO 2 Base energy storage ceramics are common energy storage materials, pure rutile TiO 2 The dielectric constant is 80-120, and the breakdown strength is 500MV / m. However, due to TiO 2 Sensitive to oxygen and complex crystal structure, easy to form defects, resulting...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C4/00C03C3/076C03C3/078C03C3/083C03C3/085C03C3/087C03C3/089C03C3/091C03C3/093C03C3/062C03C3/064
Inventor 张继华魏猛刘剑峰黄家鹏陈宏伟
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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