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Electrolyte used for electrolysis capacitor, and preparation method thereof

A technology of electrolytic capacitors and electrolytes, applied in the field of electrolytes, can solve problems such as potential safety hazards and poor flame retardancy, and achieve the effects of excellent flame retardancy, good high temperature resistance, and no potential safety hazards

Inactive Publication Date: 2019-03-01
NANTONG RUIDA ELECTRONICS MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the electrolyte of the aluminum electrolytic capacitor has high temperature resistance, its flame retardancy is not good, and it is easy to cause safety hazards

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The technical solution adopted in this specific embodiment is: an electrolytic solution for electrolytic capacitors is composed of the following raw materials in parts by weight: 20 parts of ethylene glycol, 5 parts of ammonium metatungstate, 2 parts of glycerol, 5 parts of ammonium sebacate 1 part of polyvinyl alcohol succinate, 1 part of sodium hypophosphite, 2 parts of o-nitroanisole, 2 parts of maleic anhydride, 0.5 part of maleic acid glycoside, 3 parts of sodium tetraborate decahydrate , 0.3 parts of nitrophenol, and 1 part of flame retardant. Its preparation method includes the following steps: the first step, weighing each component according to the weight; the second step, mixing ethylene glycol and glycerol evenly and heating to 115 ° C to obtain the first mixed solution; the third step , add ammonium sebacate to the first mixed liquid and heat to 135°C to obtain the second mixed liquid, then cool down to 100°C naturally; the fourth step is to add the remainin...

Embodiment 2

[0021] The difference between this example and Example 1 is that it consists of the following raw materials in parts by weight: 30 parts of ethylene glycol, 6 parts of ammonium metatungstate, 4 parts of glycerol, 7 parts of ammonium sebacate, poly 2 parts of vinyl alcohol succinate, 2 parts of sodium hypophosphite, 3 parts of o-nitroanisole, 5 parts of maleic anhydride, 1.5 parts of maleic acid glycoside, 5 parts of sodium tetraborate decahydrate, nitro 0.4 parts of phenol, 3 parts of flame retardant. Other raw material composition, preparation method are all identical with embodiment 1.

Embodiment 3

[0023] The difference between this example and Example 1 is that it consists of the following raw materials in parts by weight: 40 parts of ethylene glycol, 7 parts of ammonium metatungstate, 6 parts of glycerol, 9 parts of ammonium sebacate, poly 3 parts of vinyl alcohol succinate, 3 parts of sodium hypophosphite, 4 parts of o-nitroanisole, 8 parts of maleic anhydride, 2 parts of maleic acid, 7 parts of sodium tetraborate decahydrate, nitro 0.5 parts of phenol, 5 parts of flame retardant. Other raw material composition, preparation method are all identical with embodiment 1.

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Abstract

The invention discloses electrolyte used for an electrolysis capacitor, and a preparation method thereof, and relates to the technical field of electrolyte. The electrolyte used for the electrolysis capacitor consists of the following raw materials in parts by weight: 20-60 parts of ethylene glycol, 5-9 parts of ammonium metatungstate, 2-10 parts of glycerol, 5-13 parts of ammonium sebate, 1-5 parts of polyvinyl alcohol succinate, 1-5 parts of sodium hypophosphite, 2-6 parts of o-nitroanisole, 2-14 parts of maleic anhydride, 0.5-3 parts of maleic anhydride, 3-11 parts of sodium tetraborate decahydrate, 0.3-0.7 part of nitrophenol and 1-9 parts of fire retardant. After the above technical scheme is adopted, the electrolyte has the beneficial effects that the electrolyte has an excellent flame retardant property while the electrolyte has good high-temperature-resistant performance, potential safety hazards are unlikely to happen, and therefore, the electrolyte is worth being popularizedand used.

Description

technical field [0001] The invention relates to the technical field of electrolyte, in particular to an electrolyte for an electrolytic capacitor and a preparation method thereof. Background technique [0002] Electrolytic capacitors are irreplaceable basic components in various electronic products, and are widely used in electronic equipment including power supplies, motherboards, speakers, and uninterruptible power systems. In recent years, with the rapid development of electronic component integration and high-speed processing technology, the world has put forward higher requirements for capacitor leveling performance. Small size, long life, high temperature resistance, high frequency ripple current resistance, and low impedance are the development trends of aluminum electrolytic capacitors. There are many factors that affect the performance of capacitors. In addition to the level of manufacturing technology and the quality of the aluminum foil of the prototype, the work...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/035
CPCH01G9/035
Inventor 薛瑄武赵玉玲
Owner NANTONG RUIDA ELECTRONICS MATERIAL
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