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Production process of microcrystalline glass ceramic composite board

A technology of glass-ceramics and production process, which is applied in the field of building materials, and can solve the problems of difficult control of spraying adhesive process, absorption, high loss rate, etc.

Inactive Publication Date: 2015-04-15
FOSHAN HECAI TECH SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that it is easy to be sucked away by the kiln preheating fan in the production process of the glass-ceramic composite board, and also solve the problems that the spraying adhesive process is difficult to control and the loss rate is high.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Components of per 100kg frit particle binder: hydroxyethyl cellulose (purchased by Guangzhou Moke Building Materials Technology Co., Ltd.) 5.5kg, white carbon black 2.5kg, polymethylsiloxane 1.1kg, organic silicon modified phosphoric acid Sodium 1.7kg, the balance is ethylene glycol.

[0025] The preparation method of the above-mentioned frit particle binder comprises the following steps: a) dissolving hydroxyethyl cellulose in ethylene glycol and stirring evenly; b) adding polymethylsiloxane and organosilicon-modified sodium phosphate, Stir evenly; c) Add white carbon black and the remaining ethylene glycol solvent, stir evenly to obtain a frit particle binder, and measure its flow rate to be 25.7s (30°C, coat -4 cups). It should be noted that the organosilicon-modified sodium phosphate can be replaced by sodium polyacrylate or sodium hexametaphosphate as a dispersant, and this solution can also be realized.

[0026] Preparation of glass-ceramic composite board - Exam...

Embodiment 2

[0048] The preparation method of this example is basically the same as that of Example 1, the difference is that in this example, the components and proportions used are different. Components of per 100kg frit particle binder: hydroxyethyl methylcellulose (Dezhou Kangrong Chemical Co., Ltd.) 6.5kg, white carbon black 3.2kg, polymethylsiloxane 1.4kg, sodium hexametaphosphate 2.1 kg, the balance being ethanol.

[0049] Preparation of glass-ceramic composite board - Example 2-1

[0050] First pour a layer of silicone water repellent on the printed brick, and then spread a layer of transparent frit particles (purchased from Zibo Boshan Jinmingse Glaze Factory, fineness 130 mesh) and crystallization frit with ice crystal effect after firing. The mixture of block particles is then sprayed with a layer of frit particle binder obtained in Example 2, sent into a kiln and fired at 1000°C for 240 minutes, and the edges are chamfered to obtain microcrystals with uniform distribution and ...

Embodiment 3

[0054] The preparation method of this example is basically the same as that of Example 1, the difference is that the components and proportions used in this example are different. The components of each 100kg frit particle binder: hydroxypropyl methylcellulose (Dezhou Kangrong Chemical Co., Ltd.) 6.0kg, white carbon black 2.8kg, polymethylsiloxane 1.2kg, sodium hexametaphosphate 1.8 kg, the balance is ethylene glycol.

[0055] Preparation of glass-ceramic composite board - Example 3-1

[0056] First pour a layer of silicone water-repellent on the printed brick, and then spread a layer of transparent frit particles (purchased from Zibo Boshan Jinmingse Glaze Factory, fineness 170 mesh) and crystal frit with ice crystal effect after firing. The mixture of block particles is then sprayed with a layer of frit particle binder obtained in Example 3, sent into a kiln and fired at 1070°C for 170 minutes, and the edges are chamfered to obtain microcrystals with uniform distribution an...

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Abstract

The production process of a microcrystalline glass ceramic composite board comprises the following steps: laying a powder, stamping and forming a green brick, forming a priming glaze layer, then forming a printing layer, spraying a water repellent, distributing frit particles, spraying a frit particle adhesive, sintering, finally polishing, edging, inspecting, and packaging into the finished product, wherein the frit particle adhesive comprises the following components by the mass percentage: 5.5-6.5% of a cellulose thickener, 2.5-3.2% of white carbon black, 1.1-1.4% of a defoaming agent, 1.2-1.8% of a dispersing agent, and the balance a solvent. By the use of the frit adhesive, the frit particles are prevented from being sucked away by low negative pressure of a kiln furnace preheating zone, so that a large number of pinholes, air bubbles and other defects are prevented from appearing on the surface of a ceramic brick, and the integrity and the smoothness of textures on the surface of the sintered green brick are increased greatly; and the water repellent can relief the green body strength impact caused by a fact that the solvent of the frit adhesive is infiltrated into the green body.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a production process of a glass-ceramic composite board. Background technique [0002] Glass-ceramic composite board is a high-end decorative building material product. It is crystal clear, elegant, naturally grown and varied stone-like texture, brightly colored layers, uncanny appearance decoration effect, and free from pollution, It is easy to clean, has excellent physical and chemical properties, and has stronger weather resistance and weather resistance than stone, so it is favored by high-end building materials markets at home and abroad. [0003] In the production process of glass-ceramic composite panels, the frit is inseparable; however, the quality of the frit particles directly determines the quality of the brick adobe decoration, because glue or methyl cellulose water can fix the transparent frit It is said that when firing, it is necessary to use frit part...

Claims

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Application Information

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IPC IPC(8): C04B41/89
Inventor 周克芳陈海云刘仁昌刘敏玉朱丽萍
Owner FOSHAN HECAI TECH SERVICE
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