Vacuum glass and preparation method thereof

Abstract

The invention discloses vacuum glass and a preparation method thereof. The vacuum glass comprises an upper glass body and a lower glass body which are bonded through organic binders and inorganic metal materials. At least one of the faces, oppositely bonded, of the upper glass body and the lower glass body is provided with an annular groove used for containing gas absorbents. The outer edges of the upper glass body and / or the lower glass body are / is provided with the inorganic metal materials arranged along the annular groove. The organic binders are arranged on the outer edges of the inorganic metal materials. The interior areas, provided with the inorganic metal materials, of the upper glass body and the lower glass body form a vacuum layer which is internally provided with supporting matter arranged in a lattice shape. According to the vacuum glass, the bonding mode that organic bonding is fused with inorganic bonding is adopted, and compact and sealing bonding of the vacuum glass is achieved; a brand-new getter adding mode is put forward, and getter can be fully and effectively utilized.

Description

technical field [0001] The invention relates to a vacuum glass and a preparation method thereof, belonging to the technical field of vacuum glass. Background technique [0002] According to the applicant's knowledge, the existing vacuum glass is mostly sealed in the following ways, and there are some problems in these existing sealing methods: The first one: the use of fiber solder sealing, in order to achieve the purpose of manufacturing tempered glass, continuous The sintering time of low-temperature glass fiber solder is strictly controlled, and only semi-tempered glass with glass surface stress between 24-69Mpa can be produced, and the factors such as large pollution of fiber solder, long production cycle and low yield hinder vacuum glass. The second: the use of organic material plastic resin sealant, there is a long-term aging, easy to outgas, not advisable; the third: the use of infrared ray laser sealing around the glass, but this method It is also immature; the four...

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Problems solved by technology

[0002] As far as the applicant knows, most of the existing vacuum glass is sealed by the following methods, and there are some problems in these existing sealing methods: The first one: use fiber solder to seal, in order to achieve the purpose of making tempered glass, constantly The development of low-temperature glass fiber solder is strictly controlled for sintering time, and only semi-tempered glass with a glass surface stress between 24-69Mpa can be produced, and the pollution of fiber solder, long production cycle, and low yield hinder vacuum glass. the development of the development; the second type: the case of sealing with organic material plastic resin, there is a long-term aging, easy to deflate, it is not advisable; the third type: use infrared ray laser sealing around the glass, but this method It is also immature; the fourth type: use metal solder to seal the edge, and the bonding strength between the metal solder and the glass is not enough,

[0003] Glass grooving is complex and costly

And grooves are embedded on the glass surface, which increases the cost

The existing vacuum glass also has the following problems: 1. Vacuum glass exhaust, the contact surface is small, the disadvantage is that the channel is not smooth, leaving small holes, the other is the vacuum container exhaust, although there is no exhaust port, the cavity exists The problem of large space and high energy consumption; 2. Exhaust and edge sealing are generally completed at the same time in the prior art. After the fiber solder is heated and melted, a large amount of gas will be released, and the gas left in the vacuum layer during merging can no longer be removed. , so the vacuum degree of vacuum glass can never meet the ideal requirements; 3. In the use of getters, due to the development of tempered vacuum glass, more stringent requirements are put forward for the use of getters. The activation of getters must be It can only be activated in high-temperature plastic packaging in a vacuum environment. When the evaporable getter is raised to 400°C in the narrow interlayer of tempered glass, the stress of the tempered glass will change, which is not conducive to the production of tempered glass. At the same time, the non-evaporable getter passes through The protective cover will not oxidize and fail, and it will have some effect, but the effect is not obvious; and the getter will absorb the air burned by the glass powder, so the getter cannot be used well

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