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Digital glaze for ceramic large board or rock board and preparation method of digital glaze

A digital and slate technology, applied in the field of digital glaze for ceramic slabs or slate and its preparation, can solve the problems of difficulty in whiteness and covering power, thin spray glaze surface thickness, poor pattern effect, etc., to save raw materials , The thickness of spray glaze is thin, the effect of spherical stability

Pending Publication Date: 2021-12-03
GUANGZHOU INST OF RAILWAY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The nozzle diameter of existing inkjet printers is generally 15-25um, the amount of inkjet is small, and the thickness of the glazed surface will be very thin.
In this way, for traditional glazes, it is difficult to have good whiteness and hiding power, resulting in the problems of low coloring quality and poor pattern effect

Method used

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  • Digital glaze for ceramic large board or rock board and preparation method of digital glaze
  • Digital glaze for ceramic large board or rock board and preparation method of digital glaze
  • Digital glaze for ceramic large board or rock board and preparation method of digital glaze

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0041] The preparation method of ceramic slab and rock slab digital glaze of the present invention comprises the following steps:

[0042] S1), the powders of industrial grade feldspar, kaolin, silica fume powder and zirconium dioxide containing potassium and sodium are ball milled respectively, and sieved after the treatment.

[0043] The time of ball milling is 30-40min; after ball milling, the D50 of each powder is less than 1.5um.

[0044] Each powder after ball milling is passed through a 250-400 mesh sieve.

[0045] S2), the powders sieved in step S1) are dried in an oven at 60-110° C. until the water content of the two samples is less than 0.1%, and the crushing and drying pretreatment powders of the four mineral materials are obtained. .

[0046] S3), the dried powders in step S2) are respectively added to a high mixer for mixing, and then pumped into a sand mill for sand milling to obtain feldspar premix, kaolin premix, and silica fume respectively. powder premix a...

Embodiment 1

[0056] This embodiment is a standard embodiment as a comparison, and the specific composition and preparation method are:

[0057] The special digital glaze for ceramic slabs and rock slabs of the present embodiment comprises, in parts by mass, its raw material components: 15 parts of feldspar (containing potassium, albite), 8 parts of kaolin, 5 parts of silica fume powder, zirconium dioxide 12 parts, 45 parts of solvent, 8 parts of dispersant, 7 parts of co-solvent.

[0058] The specific preparation method of the special digital glaze for ceramic slabs and rock slabs of this embodiment is as follows:

[0059] S1), the powders of industrial grade feldspar, kaolin, silica fume powder and zirconium dioxide containing potassium and sodium are ball milled respectively, and sieved after the treatment.

[0060] The time for ball milling is 30 minutes; after ball milling, the D50 of each powder is less than 1.5um.

[0061] Each powder after ball milling is passed through a 400-mesh...

Embodiment 2

[0069] This example is an example in which no co-solvent is added and the solvent content is increased accordingly. In the components of this example, the content of zirconia is reduced and the content of feldspar is correspondingly increased. Concrete composition and preparation method are:

[0070] The special digital glaze for ceramic slabs and rock slabs of the present embodiment includes its raw material components in parts by mass: 24 parts of feldspar (containing potassium, albite), 8 parts of kaolin, 5 parts of silica fume powder, zirconium dioxide 3 parts, 52 parts of solvent, 8 parts of dispersant, 0 parts of co-solvent.

[0071] The specific preparation method of the special digital glaze for ceramic slabs and rock slabs of this embodiment is as follows:

[0072] S1), the powders of industrial grade feldspar, kaolin, silica fume powder and zirconium dioxide containing potassium and sodium are ball milled respectively, and sieved after the treatment.

[0073] The t...

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Abstract

The invention relates to digital glaze of a ceramic large plate or a rock plate and a preparation method of the digital glaze. The digital glaze is prepared from the following components in parts by mass: 10 to 40 parts of feldspar, 5 to 15 parts of kaolin, 2 to 10 parts of silica fume powder, 2 to 15 parts of zirconium dioxide, 40 to 70 parts of solvent, 2 to 10 parts of dispersing agent and 0 to 15 parts of cosolvent. The digital glaze has the characteristics of high whiteness, strong covering power, no ink dripping, no line drawing, excellent stability and more excellent filtering performance. The high temperature resistance of the digital glaze is obviously enhanced, and the solid content is obviously improved compared with that of the traditional glaze. The digital glaze is especially suitable for ceramic large plates and rock plates, and not only saves materials, but also can highlight the advantages of the ceramic plates or the rock plates.

Description

technical field [0001] The invention relates to the technical field of ceramic digital inkjet, in particular to a digital glaze for ceramic slabs or rock slabs and a preparation method thereof. Background technique [0002] With the rise of ceramic inkjet technology in the ceramic industry in recent years, many ceramic manufacturers such as Marco Polo, Mona Lisa, and New Pearl have introduced ceramic digital inkjet printers, and high-end ceramic plates use digital inkjet technology to replace traditional printing. craft. Beginning in 2021, there has been an upsurge in ceramic slabs and rock slabs in the industry, and dozens of large slab production lines have been added in China within a year. At present, the industry has not yet unified the definition of rock slabs. No matter it is embryo material, glaze, toughness, technology or size, there is no unified standard at present, so some companies are called rock slabs, and some companies are called ceramics. plate. [0003]...

Claims

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Application Information

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IPC IPC(8): C03C8/00
CPCC03C8/00
Inventor 李杜鹃张立罗锡才李助军郑毅
Owner GUANGZHOU INST OF RAILWAY TECH
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