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Sol-gel process of preparing anti-fouling silica coating on the surface of polished ceramic tile

A technology of silica and silica sol, which is applied in the field of sol-gel preparation method, can solve the problems of low hardness, insufficient transparency, poor wear resistance, etc.

Inactive Publication Date: 2006-08-02
霍镰泉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The products of the above-mentioned post-polishing finishing process are all paraffin or organic material films with functions similar to paraffin. Even the films have shortcomings such as insufficient transparency, low hardness, and poor wear resistance; because of this, this film It has always been considered to be temporary and to be completely removed once construction is complete, i.e. after the intended "engineering phase anti-fouling function" has been completed, to reveal the much better decorative effect inherent in the polished brick background surface

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-3

[0097] For Example 1 to Example 3 below, as the coating substrate, it is a light yellow polished porcelain tile sample of 600 × 600 × 16 (mm), the surface of which has been polished and the gloss has reached 65 gloss units. The aforementioned porcelain tile surfaces were visually inspected after opening the product package and any observed stains or stains that might have adhered were wiped away. The data related to the preparation of the compound silica sol are listed in Table 4 and Table 5; the data related to the fluorosilicon organic compound solution prepared for enhancing the hydrophobic and oleophobic properties of the surface are shown in Table 6. The configuration of the compound silica sol is carried out using a small paddle mixer and a beaker in a chemical laboratory, and the operation steps and standing aging period are consistent with those described above.

[0098] The coating of the compound silica sol is partially brushed by an assistant with two paint brushes,...

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Abstract

The sol-gel process of anti-fouling silica coating on the surface of polished ceramic tile includes the following steps: preparing one kind of compound silica sol liquid based on silica sol; spreading the compound silica sol liquid to the surface of polished ceramic tile while grinding and polishing with pressure grinding head and the compound silica sol liquid; and evaporating the free water in the compound silica sol liquid and further producing dewatering of silicic acid sol-electric change to harden and form firm, transparent, hard and bright anti-fouling compound silica film. The simultaneous spreading and polishing process is repeated for several times to reach high effect.

Description

technical field [0001] The invention relates to a sol-gel preparation method of a silicon dioxide antifouling coating on the surface of polished tiles. Background technique [0002] In the existing production field of ceramic polished tiles, as a surface protection-finishing process after polishing, there is already a kind of anti-fouling wax application process commonly known as "waxing", which has almost become a must for polished tiles. Standard operating steps experienced. In addition, Chinese invention patent CN 1706560A discloses a "functional coating method". [0003] In the above-mentioned antifouling wax application process commonly known as "waxing", for a long period of time, the liquid wax is applied to the surface of the tiles at one time, and then one or more felt grinding wheels are used for grinding and polishing. The organic solvent in the liquid agent applied during the polishing process volatilizes to form a roughly uniform antifouling and cleaning wax f...

Claims

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Application Information

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IPC IPC(8): C04B41/85
Inventor 肖绍展向承刚
Owner 霍镰泉
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