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Hydrolysis resistant glass for vacuum bottle liner and preparation method thereof

A technology of anti-hydrolysis and thermos bottle, applied in the field of glass and its preparation, can solve the problems of precipitation and delamination of glass bottle bile, affecting people's health and safety, poor anti-hydrolysis performance, etc., to ensure quality, excellent anti-hydrolysis performance and high water resistance. The effect of erosion

Active Publication Date: 2014-07-16
FENGYANG JINXING IND
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

However, the existing thermos liner in the market has the disadvantage of poor hydrolysis resistance. The water contained in the liner seriously erodes the glass, causing the glass liner to separate out and fall off, thereby affecting people's health and safety.

Method used

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Examples

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Effect test

Embodiment

[0015] Take the following weight (kg) of raw materials: river sand 45, weathered sand 25, potassium feldspar 12, barite 8, glass cullet 16, zircon 12, obsidian 10, sillimanite 8, calcium carbonate 6. Sodium nitrate 3, nickel oxide 1.5, graphene 0.5, cryolite powder 4.

[0016] A method for preparing a hydrolysis-resistant glass for an inner liner of a vacuum flask, comprising the following steps:

[0017] (1) Mix river sand, weathered sand, potassium feldspar, and barite evenly, crush them, pass through a 100-mesh sieve, wet ball mill for 24 hours, and dry at 115°C. After the water is dried, mix the mixture with 260 The rate of °C / h is raised from room temperature to 880 °C, calcined for 2 hours, and then heated at a rate of 220 °C / h to 1260 °C, calcined for 1 hour, taken out and quenched into particles, dried to obtain granular glass frit;

[0018] (2) Mix cullet, zircon, obsidian, and sillimanite evenly, crush them, pass through a 120-mesh sieve, mix evenly with calcium car...

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Abstract

The invention discloses hydrolysis resistant glass for a vacuum bottle liner and a preparation method thereof. The hydrolysis resistant glass is prepared from the following raw materials, by weight, 40-50 parts of river sand, 20-30 parts of efflorescent sand, 10-15 parts of potash feldspar, 5-10 parts of barite, 15-20 parts of cullet, 10-15 parts of zircon, 10-15 parts of obsidian, 5-10 parts of fibrolite, 4-8 parts of calcium carbonate, 2-5 parts of sodium nitrate, 1-2 parts of nickel oxide, 0.5-1 part of graphene and 3-6 parts of cryolite powder. The vacuum bottle glass provided by the invention has excellent hydrolysis resistance, good chemical stability and high water erosion resistance. By the use of the vacuum bottle glass, the problem that the vacuum bottle liner is easy to separate out flakes can be solved effectively, and quality safety of the vacuum bottle liner is guaranteed.

Description

technical field [0001] The invention relates to a glass and a preparation method thereof, in particular to a hydrolysis-resistant glass for a thermos bottle liner and a preparation method thereof. Background technique [0002] The thermos bottle is a kind of daily necessities with a wide range of uses. It can be used to store hot water, hold cold drinks and medicines. The thermos bottle is composed of an inner tank, an outer shell and additional parts. Made of double-layer glass, the two sides of the interlayer are plated with silver and other metals, the middle is evacuated, and the bottle mouth has a stopper, which can maintain the temperature in the bottle for a long time. However, the thermos liner existing on the market has the disadvantage of poor hydrolysis resistance, and the glass liner is seriously eroded by the water contained in the liner, which causes the glass liner to separate out and peel off, thereby affecting people's health and safety. Contents of the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C6/06
Inventor 赵世来吴春生叶铭庄郑怀林
Owner FENGYANG JINXING IND
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