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A high-insulation inorganic high-resistance glaze for resistor sheets and its preparation method

A high-insulation and high-resistance glaze technology is applied in the field of high-insulation inorganic high-resistance glaze and its preparation, which can solve the problems of cracking, bonding and incomprehension of semi-sintered green bodies, reduce melting volatilization, improve production efficiency, and reduce grain size. Effect

Active Publication Date: 2022-02-25
嘉兴瑞嘉电气股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the current research and industrial production, most of the traditional inorganic insulating coatings are better coated on green bodies, but they are prone to cracking and weak bonding on semi-sintered bodies.

Method used

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  • A high-insulation inorganic high-resistance glaze for resistor sheets and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] The high-insulation inorganic high-resistance glaze used for resistor sheets in this embodiment includes oxide ingredients, and the oxide ingredients include ZnO, Bi 2 o 3 , Sb 2 o 3 、Co 2 o 3 , Mn 3 o 4 , NiO and MgO.

[0040] The mole percentage configuration between the oxide ingredients described in the embodiments of the present invention is as follows:

[0041] ZnO: 88%;

[0042] Bi 2 o 3 : 0.1%;

[0043] Sb 2 o 3 : 3%;

[0044] co 2 o 3 : 0.5%;

[0045] mn 3 o 4 : 0.8%;

[0046] NiO: 1%;

[0047] MgO: 3.5%.

[0048] The preparation method of the high-insulation inorganic high-resistance glaze used for the resistance sheet of the present embodiment comprises the following steps:

[0049] (1), ball milling after mixing the oxide ingredients, deionized water, polyvinyl alcohol solution and dispersant;

[0050] (2) After ball milling for a certain period of time, an inorganic high-resistance glaze with high insulation properties is obtained.

...

Embodiment 2

[0063] The high-insulation inorganic high-resistance glaze used for resistor sheets in this embodiment includes oxide ingredients, and the oxide ingredients include ZnO, Bi 2 o 3 , Sb 2 o 3 、Co 2 o 3 , Mn 3 o 4 , NiO and MgO.

[0064] The mole percentage configuration between the oxide ingredients described in the embodiments of the present invention is as follows:

[0065] ZnO: 90%;

[0066] Bi 2 o 3 : 0.05%;

[0067] Sb 2 o 3 : 3.5%;

[0068] co 2 o 3 :1%;

[0069] mn 3 o 4 : 0.5%;

[0070] NiO: 0.5%;

[0071] MgO: 3%.

[0072] The preparation method of the high-insulation inorganic high-resistance glaze that is used for the resistor sheet in this embodiment comprises the following steps:

[0073] (1), ball milling after mixing the oxide ingredients, deionized water, polyvinyl alcohol solution and dispersant;

[0074] (2) After ball milling for a certain period of time, an inorganic high-resistance glaze with high insulation properties is obtained.

...

Embodiment 3

[0087] The high-insulation inorganic high-resistance glaze used for resistor sheets in this embodiment includes oxide ingredients, and the oxide ingredients include ZnO, Bi 2 o 3 , Sb 2 o 3 、Co 2 o 3 , Mn 3 o 4 , NiO and MgO.

[0088] The mole percentage configuration between the oxide ingredients described in the embodiments of the present invention is as follows:

[0089] ZnO: 91%;

[0090] Bi 2 o 3 : 0.2%;

[0091] Sb 2 o 3 : 4%;

[0092] co 2 o 3 : 1.5%;

[0093] mn 3 o 4 : 1.5%;

[0094] NiO: 2%;

[0095] MgO: 5%.

[0096] The preparation method of the high-insulation inorganic high-resistance glaze that is used for the resistor sheet in the present embodiment comprises the following steps:

[0097] (1), ball milling after mixing the oxide ingredients, deionized water, polyvinyl alcohol solution and dispersant;

[0098] (2) After ball milling for a certain period of time, an inorganic high-resistance glaze with high insulation properties is obtained...

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Abstract

The invention provides a high-insulation inorganic high-resistance glaze for resistors and a preparation method thereof, wherein the high-insulation inorganic high-resistance glaze for resistors is characterized in that it includes oxide ingredients, and the oxide ingredients include ZnO 、 Bi 2 o 3 , Sb 2 o 3 、Co 2 o 3 , Mn 3 o 4 , NiO and MgO.

Description

technical field [0001] The invention relates to a high-insulation inorganic high-resistance glaze used for resistor sheets and a preparation method thereof, belonging to the field of electrical materials. Background technique [0002] With the wide application of electrical equipment and the advent of the era of artificial intelligence, the requirements for the safety level of electronic products are getting higher and higher. As a component with transient voltage suppression, ZnO varistors have good nonlinear volt-ampere characteristics. , can be used as core components to assemble surge protectors, overvoltage protectors and lightning rods to protect the circuit system. The ZnO varistor sheet is made by adding a small amount of bismuth oxide (Bi oxide) to the ZnO powder. 2 o 3 ), cobalt oxide (Co 2 o 3 ), antimony oxide (Sb 2 o 3 ), chromium oxide (Cr 2 o 3 ) and manganese dioxide (MnO 2 ) and other additives are mixed and molded and then sintered at high temperat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C8/00
CPCC03C8/00
Inventor 董建洪陈伟钱锋汤芳林沈振伟蔡卫兵
Owner 嘉兴瑞嘉电气股份有限公司
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