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WP2O7 crystalline glaze composition with photocatalysis function and preparation method thereof

A technology for crystalline glaze and composition, which is applied in the technical field of ceramic materials, can solve problems such as reports of glazes without photocatalytic function, and achieve the advantages of improving people's living standards, good crystalline decoration effect, and improving environment and air quality. Effect

Active Publication Date: 2017-03-22
MONALISA GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, so far, although there are many reports on photocatalytic materials, however, about WP 2 o 7 There are few domestic reports on new photocatalytic materials, and only a small number of international synthesis reports [V.V.Lisnyak*,N.V.Stus,N.S.Crystal structure of a novel cubic pyrophosphateWP 2 o 7 , Journal of Alloys and Compounds 309(2000)83–87], and there is no report on preparing it as a glaze with photocatalytic function

Method used

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  • WP2O7 crystalline glaze composition with photocatalysis function and preparation method thereof
  • WP2O7 crystalline glaze composition with photocatalysis function and preparation method thereof
  • WP2O7 crystalline glaze composition with photocatalysis function and preparation method thereof

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preparation example Construction

[0026] The present invention adopts simple preparation method, can prepare the WP that can be widely used on the surface of traditional ceramics such as building sanitation and daily-use ceramics. 2 o 7 Crystalline photocatalytic functional ceramic glaze, the WP 2 o 7 The composition of the crystalline ceramic glaze composition includes: calculated by mass percentage, 84-88% powder A, 7-9% WP 2 o 7 and 5-7% kaolin;

[0027] Wherein the chemical component mass ratio in the powder A is SiO 2 :Al 2 o 3 :P 2 o 5 :MgO:Li 2 O: Na 2 O:K 2 O=(10-14):(3-5):(45-49):(1-3):(8-12):(8-12):(4-6).

[0028] In the present invention, the powder A is the main component of the glaze, preferably frit powder. The composition of powder A will affect the morphology difference of the product glaze.

[0029] In the present invention, WP 2 o 7 play a photocatalytic role. in WP 2 o 7 Only when the content is 7-9%, the product can show good photocatalytic performance, and the content is...

Embodiment 1

[0041] Example 1: WP 2 o 7 The mass percentage is 8% photocatalytic functional ceramic opacity glaze

[0042] 1) First, mix quartz, albite, potassium feldspar, spodumene, sodium phosphate, MgO, and lithium carbonate raw materials according to the following mass chemical composition ratios. SiO 2 :Al 2 o 3 :P 2 o 5 :MgO:Li 2 O: Na 2 O:K 2 O=12:4:47:2:10:10:5;

[0043] 2) Dry mix and grind the above-mentioned powders, pass through 40 sieves to obtain the mixture, put it into a crucible, put it in an electric furnace at 1350 ° C for 45 minutes, take it out and pour it into water to quench to make a frit. Take the frit out of the water, put it into a ball mill after drying, and grind it finely. The ratio of control material (frit): ball: water is 1:1:0.8. After grinding for 3 hours, pass through a 250-mesh sieve, and dry for later use. The powder is recorded as material A;

[0044] 3) will WO 3 and NH 4 h 2 PO 4 Powder according to mass ratio WO 3 : NH 4 h 2 PO ...

Embodiment 2

[0048] Example 2: WP 2 o 7 The mass percentage is 9% photocatalytic functional ceramic opacity glaze

[0049] 1) First, mix quartz, albite, potassium feldspar, spodumene, sodium phosphate, MgO, and lithium carbonate raw materials according to the following mass chemical composition ratios. SiO 2 :Al 2 o 3 :P 2 o 5 :MgO:Li 2 O: Na 2 O:K 2 O=10:5:49:3:12:12:6;

[0050] 2) Dry mix and grind the above-mentioned powders, pass through 60 sieves to obtain the mixture, put it into a crucible, put it into an electric furnace and keep it warm at 1300°C for 30 minutes, take it out and pour it into water to quench to make a frit. Take the frit out of the water, put it into a ball mill after drying, and grind it finely. The ratio of control material (frit): ball: water is 1:1:0.8. After grinding for 2 hours, pass through a 250-mesh sieve and dry for later use. The powder is recorded as material A;

[0051] 3) will WO 3 and NH 4 h 2 PO 4 Powder according to mass ratio WO 3 ...

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Abstract

The invention relates to a WP2O7 crystalline glaze composition with a photocatalysis function and a preparation method thereof. The WP2O7 crystalline glaze composition is prepared from the following constituents by mass percent: 84% to 88% of powder material A, 7% to 9% of WP2O7 and 5% to 7% of kaolin, wherein the chemical composition mass ratio of SiO2 to Al2O3 to P2O5 to MgO to Li2O to Na2O to K2O of the powder material A is (10 to 14) to (3 to 5) to (45 to 49) to (1 to 3) to (8 to 12) to (8 to 12) to (4 to 6). The WP2O7 crystalline glaze composition has the advantages that the WP2O7 is introduced into the preparation of the glaze for the first time, not only is the decorative effect on the obtained glaze layer surface crystallization good, but also the performance in photocatalysis degradation on toxic gas and organic pollutant is excellent.

Description

technical field [0001] The invention belongs to the technical field of ceramic materials, and relates to a method for preparing a glaze on the surface of architectural sanitary ceramics, in particular to a WP with photocatalytic function 2 o 7 A method for preparing a crystalline ceramic glaze. The surface of the glaze prepared by the method has an excellent photocatalytic degradation function, and at the same time has a good decorative effect of crystal flowers, and can effectively decompose organic pollutants adsorbed on the surface under sunlight conditions. It is of great significance to purify the home environment. Background technique [0002] In the process of home decoration and decoration, various toxic organic substances in the home environment produced by chemical products such as coatings are increasing, which has a great impact on human health. According to reports, there are more than 1,000 acute and chronic poisoning incidents caused by home decoration alone...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C8/14C03C8/08C04B41/86
CPCC03C8/08C03C8/14C04B41/5022C04B41/86C04B41/5015C04B41/4539
Inventor 刘一军黄剑锋李嘉胤潘利敏汪庆刚曹丽云黄玲艳萧礼标孔新刚
Owner MONALISA GRP CO LTD
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