Ultrathin chemical toughened glass and preparation method thereof

A glass strengthening and chemical technology, applied in the field of ultra-thin chemical strengthening glass and its preparation, can solve the problems of long time consumption of chemical strengthening, low ion mobility, environmental pollution, etc., to improve the effect of chemical strengthening, promote ion exchange, improve Effect of ion exchange rate
CN108675652AActive Publication Date: 2018-10-19WUJIANG GOLDEN GLASS TECH +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
WUJIANG GOLDEN GLASS TECH
Publication Date
2018-10-19

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Abstract

The invention discloses ultrathin chemical toughened glass and a preparation method thereof. The chemical toughened glass is obtained by immersing a glass sample into a microwave hydrothermal environment of an ion exchange solution for carrying out ion exchange treatment, wherein the ion exchange solution is a water solution prepared from potassium nitrate, potassium silicate, rubidium nitrate andcesium nitrate; in the ion exchange solution, the concentration of K<+> is 27 to 40 mol / L, the concentration of Rb<+> is 0.5 to 4 mol / L and the concentration of CS<+> is 1.5 to 4.5 mol / L; the mol ratio of the potassium nitrate to the potassium silicate is 1 to (0.002 to 0.05); the microwave hydrothermal temperature is 300 DEG C to 350 DEG C and the ion exchange time is 4 to 10 h. Compared with amolten-salt growth method, relatively less pollution and energy source wastes are generated; the stress depth of the prepared chemical toughened glass reaches 45 mum or more and the surface stress strength reaches 700 MPa or more; the chemical toughened glass has good light transparency.
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Description

technical field

[0001] The invention relates to the technical field of strengthened glass, in particular to an ultra-thin chemically strengthened glass and a preparation method thereof. Background technique

[0002] Ultra-thin glass usually refers to glass with a thickness below 1.5mm. At present, ultra-thin glass has been widely used in the field of electronic information display, as the protective glass of display devices such as smartphones and tablet computers, but these electronic products fall when used or carried, causing the glass to break, so ultra-thin glass needs to be strengthened . The introduction of surface compressive stress on the glass surface can effectively improve its strength, and the introduction of surface compressive stress can be achieved by physical strengthening and chemical strengthening. The physical strengthening method can be divided into gas medium strengthening method, liquid medium strengthening method, particle strengthening method and m...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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