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A kind of brick blank for one-time firing of glass-ceramic composite plate

A technology of glass-ceramic and glass-ceramic frit, which is applied in the field of architectural ceramics, can solve the problems of low yield, low flatness, affecting the quality and aesthetics of glass-ceramic composite panels, and achieves no color effect. Influence, the effect of high yield

Active Publication Date: 2016-01-20
张家港和智珅知识产权有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Then send the above into the kiln for firing. When transported into the kiln, it will pass through a low negative pressure pre-tropical zone. Some small glass-ceramic frit particles that are placed on the top layer are easily sucked away due to their light weight. , resulting in the lack of a lot of glass-ceramic frit particles on the surface layer, the flatness of the adobe is not high after firing, and pinholes or dissolution holes appear, which greatly affects the quality and aesthetics of the glass-ceramic composite board. The yield rate is not high

Method used

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  • A kind of brick blank for one-time firing of glass-ceramic composite plate
  • A kind of brick blank for one-time firing of glass-ceramic composite plate
  • A kind of brick blank for one-time firing of glass-ceramic composite plate

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preparation example Construction

[0031] The preparation of the bottom glaze: kaolin, quartz, potassium feldspar, albite, calcite, talc, dolomite, zinc oxide, and zircon powder with a thickness of less than 100 wood are mixed with 5 kg each of the bottom glaze raw materials, and an appropriate amount of water and 0.5% sodium tripolyphosphate, 0.3% methyl cellulose, ball milled into the chemical composition of SiO2: 50%, Al2O3: 20%, CaO: 9%, MgO: 2%, K2O: 2%, Na2O: 3 %, ZnO: 4%, ZrO2: 10%, and the fineness is 0.5% of the slurry-like bottom glaze on the 10,000-hole sieve for use.

[0032] It should be noted that the preparation of green body powder, micropowder formula components and bottom glaze given here can be replaced by other formula components in the common knowledge, and all can be applied to the composite glass-ceramics of the present invention. In the preparation method of the plate. The bottom glaze mainly serves as a covering function, so the make-up soil with high whiteness is usually selected, and...

Embodiment 1-1

[0038] A method for preparing a once-fired transparent glass-ceramic composite board, comprising the following steps:

[0039] A. Green body stamping and forming: After the green body powder (fineness is 150 degrees) and micropowder powder (fineness is 150 degrees) are layered, punched into a green body with a bottom blank layer and a micropowder layer, wherein the micropowder layer The thickness is 1 / 2 of the thickness of the bottom layer, dry;

[0040] B. Spray a layer of hydrophobic layer: spray a layer of modified polyvinyl alcohol water repellent (purchased from Jinan Yuekai Chemical Co., Ltd.) on the surface of the green body;

[0041] C. Glaze printing;

[0042] D, apply glass-ceramic frit particle suspension: the glass-ceramic frit particle (purchasing from Quincy Carloby Glaze Company, fineness 70 orders) of 375kg silvery-white ice crystal effect is added to embodiment group 1 and makes In 125kg of frit particle binder, mix evenly to obtain glass-ceramic frit partic...

Embodiment 1-2

[0047] A method for preparing a once-fired transparent glass-ceramic composite board, comprising the following steps:

[0048] A. Green body stamping and forming: After the green body powder (fineness is 150 degrees) and micropowder powder (fineness is 150 degrees) are layered, punched into a green body with a bottom blank layer and a micropowder layer, wherein the micropowder layer The thickness is 1 / 2 of the thickness of the bottom layer, dry;

[0049] B. Glaze printing;

[0050] C, applying glass-ceramic frit: the glass-ceramic frit particles of 375kg silver-white ice crystal effect (purchased from Quincy Carroby Glaze Company, fineness 70 orders) is added to the frit of 125kg that embodiment group 1 makes In the block particle binder, mix evenly to obtain a suspension of glass-ceramic frit particles. The solid content of glass-ceramic frit particles is 84%, no visible bubbles, and the flow rate is 45.3s (30°C, coated with -4 cups). There is still no delamination phenomen...

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Abstract

The invention discloses a green brick of a one-step sintered glass-ceramic composite board. The green brick comprises a green body layer, a ground coat layer and a glass-ceramic frit layer from bottom to top, wherein a hydrophobic layer is also arranged between the green body layer and the ground coat layer; the glass-ceramic frit layer is formed by applying a glass-ceramic frit particle suspension liquid formed by mixing glass-ceramic frit particles and a frit particle binding agent on the surface of the ground coat layer; and the frit particle binding agent comprises the following components in percentage by mass: 3.8-4.8% of nonionic polyurethane associative thickener, 1.8-2.4% of attapulgite clay, 0.6-1% of defoaming agent, 0.6-1.6% of dispersing agent and the balance of solvent. By using the green brick, the glass-ceramic frit particles on the surface cannot be taken away by a draught fan at a preheating zone when being sintered, so that the waste is avoided, and the defect rate of glass-ceramic composite board products is reduced.

Description

technical field [0001] The invention relates to the technical field of architectural ceramics, in particular to a brick adobe made of a glass-ceramic composite plate fired once. Background technique [0002] Since the technology of glass-ceramic composite panel has been maturely applied, its technology has been continuously developed and innovated, and the product has become a high-grade decorative material in the market because of its transparent micro-crystalline frit particles and personalized decorative effect, and is well received by consumers. favorite. [0003] The adobe of the glass-ceramic composite board fired at one time includes a green body layer and a glass-ceramic frit layer from bottom to top, and the glass-ceramic frit layer is generally composed of glass-ceramic frit particles, specifically, ceramic powder The material is pressed to form an adobe, and then a layer of glass-ceramic frit particles is spread on the surface to form a glass-ceramic frit layer t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B41/89C04B41/86
Inventor 朱培祺朱丽萍刘向阳王燕玲刘仁昌
Owner 张家港和智珅知识产权有限公司
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