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Organic carrier and preparation method and application thereof

An organic carrier, ethyl cellulose technology, applied to conductive materials, discharge tubes, electrical components, etc. dispersed in non-conductive inorganic materials, can solve economic and property losses, high storage and transportation costs, and nitrocellulose storage and transportation Harsh conditions and other issues to achieve the effect of improving reliability, service life and good user experience

Active Publication Date: 2019-01-18
GUANGDONG WITOL VACUUM ELECTRONICS MFR +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obviously, the use of nitrocellulose is not only easy to cause safety accidents, but also the storage and transportation conditions of nitrocellulose are very harsh, the storage and transportation costs are high, and a slight negligence will cause huge economic and property losses to the country

Method used

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  • Organic carrier and preparation method and application thereof

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preparation example Construction

[0030]The method for preparing the organic vehicle in the above-mentioned embodiments of the present invention is not only simple in process, but also dissolves ethyl cellulose in acetone, butyl acetate, and diethyl oxalate by adopting the above-mentioned ratio, which is not only conducive to forming a uniform, stable and cohesive vehicle. Strong organic carrier solution, and the formed organic carrier solution has high chemical stability, is not easy to spontaneously ignite, and the residual ash after burning is also low. It is safe during use and storage, and has low storage and transportation costs. It can be widely used in Electronic slurry for electric vacuum devices; at the same time, the coating formed by using the above organic carrier also has good shape, and can effectively solve the problem of coating peeling due to the shrinkage of the ethyl cellulose film. In particular, the inventors have also found that the organic carrier solution has a higher cohesiveness with ...

Embodiment 1

[0044] (1) Preparation of organic carrier

[0045] Acetone, butyl acetate and diethyl oxalate are mixed and stirred magnetically, and ethyl cellulose is added during the stirring process to obtain an organic vehicle, wherein the acetone, butyl acetate, diethyl oxalate and ethyl cellulose The mass ratio is 42:28:8:2.0.

[0046] (2) Preparation of magnetron

[0047] Adopt organic carrier to prepare the welding slurry of welding molybdenum support assembly and negative electrode and the getter slurry on the surface of molybdenum support assembly, wherein, comprise the zirconium powder of 25 parts by weight, the molybdenum powder of 35 parts by weight and the molybdenum powder of 40 parts by weight in the welding slurry Organic carrier, the getter slurry includes 32 parts by weight of titanium powder and 68 parts by weight of organic carrier; use the above welding slurry to weld the molybdenum support component and cathode, and use the getter slurry to coat the surface of the mol...

Embodiment 2

[0049] (1) Preparation of organic carrier

[0050] Acetone, butyl acetate and diethyl oxalate are mixed and stirred magnetically, and ethyl cellulose is added during the stirring process to obtain an organic vehicle, wherein the acetone, butyl acetate, diethyl oxalate and ethyl cellulose The mass ratio is 65:15:16:0.8.

[0051] (2) Preparation of magnetron

[0052] Adopt organic carrier to prepare the welding slurry of welding molybdenum stent assembly and cathode and the getter slurry on the surface of molybdenum stent assembly, wherein, comprise the zirconium powder of 21 parts by weight, the molybdenum powder of 36 parts by weight and the organic powder of 43 parts by weight in the welding slurry The carrier, the getter slurry includes 38 parts by weight of titanium powder and 62 parts by weight of an organic carrier; the molybdenum support assembly and the cathode are welded with the above welding paste, and the getter slurry is used to coat the surface of the molybdenum ...

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Abstract

The invention discloses an organic carrier and a preparation method and application thereof, wherein the organic carrier comprises acetone, butyl acetate, diethyl oxalate and ethyl cellulose. The organic carrier not only has high stability, strong adhesion and volatility, but also is not easy to spontaneously ignite or burn, and the residual ash content after ignition is low, so that the organic carrier has high safety in use and storage process and low storage and transportation cost, and can be widely used in electronic slurry of electronic vacuum electronic devices, especially in electronicslurry of molybdenum substrate of magnetron cathode.

Description

technical field [0001] The invention belongs to the technical field of magnetron manufacturing, and in particular relates to an electronic slurry organic carrier and a preparation method and application thereof. Background technique [0002] Traditional magnetron cathode assembly electronic paste mainly uses nitrocellulose as a binder. Nitrocellulose is lively and extremely unstable. It will burn and explode when it encounters sparks, high temperature, oxidants, and most organic amines (such as p-xylylenediamine, etc.). Cellulose dissolves in organic solvents, but when the organic solvent evaporates, it is very easy to spontaneously ignite and cause a fire. Obviously, the use of nitrocellulose is not only likely to cause safety accidents, but also the storage and transportation conditions of nitrocellulose are very harsh, and the storage and transportation costs are high. A slight negligence will cause huge economic and property losses to the country. [0003] Therefore, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B1/22H01J23/02H01J23/04H01J25/50
CPCH01B1/22H01J23/02H01J23/04H01J25/50
Inventor 葛春桥
Owner GUANGDONG WITOL VACUUM ELECTRONICS MFR