Catalyst for chemical reinforcement of glass, and preparation method of reinforcement liquid thereof

Abstract

The invention relates to a catalyst for chemical reinforcement of glass, and a preparation method of a reinforcement liquid thereof, and belongs to the technical field of the chemical reinforcement of the glass. The catalyst comprises, by weight, 30-100 parts of a component A and 10-100 parts of a component B. The component A is prepared from the following components by weight: 1-10 parts of diatomite, 20-90 parts of alumina powder, 1-30 parts of potassium carbonate and 10-30 parts of antimonous oxide. The component B is prepared from the following components by weight: 10-50 parts of potassium hydroxide and 10-100 parts of potassium chloride. The method for preparing the reinforcement liquid comprises the steps of preparing the component A; adding the prepared component A in a potassium salt; stirring for 0.5-1 h to form a first mixed salt; then adding the component B in the first mixed salt; stirring for 0.5-1 h; and standing for 1-2 h to obtain the reinforcement liquid. The catalyst and the reinforcement liquid can significantly shorten glass reinforcement time and reduce production cost, and can obviously enhance hardness, strength and scratch resistance of the glass.

Description

technical field [0001] The invention belongs to the technical field of glass chemical strengthening, and relates to a catalyst capable of significantly improving glass strength and shortening strengthening time and a method for preparing glass strengthening liquid using the catalyst. Background technique [0002] In order to cater to people's aesthetic changes in the appearance of electronic display products, tablet computers and mobile phones are getting thinner and thinner, and their requirements for flat glass, the main material for manufacturing display screens, are also getting thinner and thinner. The glass is classified according to its thickness. The thickness below 3mm is called thin glass, and the thickness below 1.5mm is called ultra-thin glass. However, the ultra-thinning of glass also brings obvious disadvantages, that is, the reduction of its mechanical strength. While reducing the weight and thickness of the glass, impurities, defects, and any negative factors...

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Problems solved by technology

[0004] Factors affecting the chemical strengthening strength of glass mainly include: glass surface damage, bath salt composition, ion exchange temperature, ion exchange time, etc. Although the existing chemical strengthening liquid can improve the strength of glass to a certain extent, the strengthening process takes a long time. The time is generally 8–12 hours, which greatly reduces the production efficiency, and the strengthened glass has low bending strength and scratch resistance

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