CN105601109B - A kind of frit and preparation method thereof of high beginning fusing point high expansion coefficient - Google Patents
A kind of frit and preparation method thereof of high beginning fusing point high expansion coefficient Download PDFInfo
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- CN105601109B CN105601109B CN201510981338.4A CN201510981338A CN105601109B CN 105601109 B CN105601109 B CN 105601109B CN 201510981338 A CN201510981338 A CN 201510981338A CN 105601109 B CN105601109 B CN 105601109B
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- frit
- fusing point
- coefficient
- expansion
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
- C03C8/04—Frit compositions, i.e. in a powdered or comminuted form containing zinc
Abstract
The invention discloses a kind of frits and preparation method thereof of high beginning fusing point high expansion coefficient, and the raw material for preparing the frit include quartz, non-calcinated aluminium oxide, lime stone, potassium feldspar, soda ash and borax.Its shape is colourless, translucent, and has preferable glossiness.Frit beginning fusing point with higher and the biggish coefficient of expansion, high beginning fusing point can be avoided the generation of stomata, and the coefficient of expansion that the biggish coefficient of expansion solves overglaze is small, the coefficient of expansion of green body is larger, and product is caused the technical issues of deformation defect occur.
Description
Technical field
The invention belongs to ceramic fields, and in particular to a kind of frit and preparation method thereof of high beginning fusing point high expansion coefficient.
Background technique
Higher and higher to ceramic favorable rating along with people, everybody wants the quality of ceramics there has also been higher
It asks.And the green body and property of glaze of ceramic are the key that ceramics, directly determine the quality of ceramic.In industry
On can realize that direct contact will be generated with the economic benefit of enterprise by quickly burning out preferable ceramic.Frit is pottery
The important component of ceramic products can directly act in glaze, achieve the purpose that improve ceramic product quality.High beginning fusing point
High expansion frit is widely used in Ceramic Tiles, and the main coefficient of expansion for improving green body and glaze increases the binding performance of base glaze
By force, high beginning fusing point can be realized being rapidly fired to for Ceramic Tiles.
The preparation process of high beginning fusing point high expansion coefficient frit and the preparation process of common frit are essentially identical, but due to it
There is more special performance, and is different from common frit.
Summary of the invention
The purpose of the present invention is to provide a kind of frits and preparation method thereof of high beginning fusing point high expansion coefficient.
The technical solution used in the present invention is:
A kind of frit of high beginning fusing point high expansion coefficient, in parts by mass, primary chemical composition are as follows: SiO244~
50 parts, Al2O315~20 parts, Fe2O3< 0.2 part, TiO2< 0.05 part, 15~20 parts of CaO, 0~2 part of MgO, K2O 3~7
Part, Na25~10 parts of O, B2O30~2 part.
Preferably, the frit is mainly prepared from the following materials: quartzy, non-calcinated aluminium oxide, lime stone, potassium
Feldspar, soda ash and borax.
It is further preferred that the frit is mainly prepared by the raw material of following mass parts: 15~30 parts quartzy, non-to forge
Burn 8~15 parts of aluminium oxide, 20~30 parts of lime stone, 20~30 parts of potassium feldspar, 10~15 parts of soda ash, 0~3 part of borax.
It is further preferred that the frit is mainly prepared by the raw material of following mass parts: 15~30 parts quartzy, non-to forge
Burn 8~13 parts of aluminium oxide, 23~36 parts of lime stone, 25~30 parts of potassium feldspar, 10 ~ 13 parts of soda ash, 0~3 part of borax.
It is further preferred that the frit is mainly prepared by the raw material of following mass parts: 18~24 parts quartzy, non-to forge
Burn 10~14 parts of aluminium oxide, 26 parts of lime stone, 25~30 parts of potassium feldspar, 10 ~ 13 parts of soda ash, 2~3 parts of borax.
It is further preferred that the frit is mainly prepared by the raw material of following mass parts: quartzy 20 parts, non-calcinated oxygen
Change 12 parts of aluminium, 26 parts of lime stone, 27 parts of potassium feldspar, 12 parts of soda ash, 3 parts of borax.
A kind of preparation method of high beginning fusing point high expansion coefficient frit, comprising the following steps:
(1) raw material is weighed, is uniformly mixed；
(2) it is melted at a temperature of 1500~1600 DEG C, keeps the temperature 2~3 hours；
(3) blowing water quenching, drying obtain high beginning fusing point high expansion coefficient frit；
The composition of the frit is as described in claim any one of 1-6.
The beneficial effects of the present invention are:
(1) frit has high expansion coefficient, and the coefficient of volume expansion has reached 29 × 10-6/ DEG C, has been able to solve the swollen of overglaze
Swollen coefficient is small, the green body coefficient of expansion is larger, and product is caused the defect of serious deformation occur.By adding in overglaze or ground coat enamel
Increase coefficient of expansion frit, to match the coefficient of expansion of base glaze, adjusts the flatness of product.
(2) frit has high beginning fusing point, and Al and Si are the important composition substances of glass frit, these structures can guarantee frit
Stability, the content for increasing Al composition in frit can improve the beginning fusing point of frit.Due to there is a large amount of igloss in raw glaze, burn
Subtracting can vapor away at high temperature, and at this moment it is possible that gas hole defect, and high beginning fusing point frit have passed through high temperature solute, discharge
Moisture and carbonate in material can be reduced or avoided glaze paint and generate stomata when it is added in raw glaze.Since frit has
High beginning fusing point may be implemented to increase brick heating rate, improve production efficiency.
(3) frit of high beginning fusing point high expansion coefficient of the invention, glossiness is good, translucent, has good artistic outlook
Reward property.
Detailed description of the invention
Fig. 1 is the picture of sample obtained by embodiment 3, illustrates that the beginning fusing point of glaze after adding frit increases；
Fig. 2 is the picture of sample obtained by embodiment 5, illustrates that the coefficient of expansion of brick after adding frit increases.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, and however, it is not limited to this.In following instance, if without spy
Do not mentionlet alone it is bright, as unit of mass parts.
Embodiment 1:
Quartzy 20 parts, 12 parts of non-calcinated aluminium oxide, 26 parts of lime stone, 25 parts of potassium feldspar, 10 parts of soda ash, 3 parts of borax are weighed,
It is uniformly mixed, is melted at 1550 DEG C, keep the temperature 3 hours, enter water quenching, drying obtains frit.
Embodiment 2:
Quartzy 20 parts, 12 parts of non-calcinated aluminium oxide, 26 parts of lime stone, 29 parts of potassium feldspar, 14 parts of soda ash, 3 parts of borax are weighed,
It is uniformly mixed, is melted at 1510 DEG C, keep the temperature 2.5 hours, enter water quenching, drying obtains frit.
Embodiment 3:
Quartzy 24 parts, 12 parts of non-calcinated aluminium oxide, 26 parts of lime stone, 26 parts of potassium feldspar, 12 parts of soda ash, 3 parts of borax are weighed,
It is uniformly mixed, is melted at 1550 DEG C, keep the temperature 2.5 hours, enter water quenching, drying obtains frit.The group of raw glaze become quartz 35 ~
50 parts, 3~15 parts of non-calcinated aluminium oxide, 3~10 parts of lime stone, 10~15 parts of potassium feldspar, 10~35 parts of albite, calcined oxide
0~5 part of zinc.By the raw glaze sample for adding frit be not added with after the raw material sample cake of press of frit at the same temperature that high temperature is forged
It burns, the mass ratio for adding frit is frit: raw material=35:100.It adds frit and is not added with the fusing point gradient of the sample of frit such as
Shown in Fig. 1.
Embodiment 4:
Quartzy 20 parts, 12 parts of non-calcinated aluminium oxide, 26 parts of lime stone, 30 parts of potassium feldspar, 15 parts of soda ash, 3 parts of borax are weighed,
It is uniformly mixed, is melted at 1450 DEG C, keep the temperature 2 hours, enter water quenching, drying obtains frit.
Embodiment 5:
Quartzy 20 parts, 12 parts of non-calcinated aluminium oxide, 26 parts of lime stone, 29 parts of potassium feldspar, 13 parts of soda ash, 3 parts of borax are weighed,
It is uniformly mixed, is melted at 1500 DEG C, keep the temperature 2 hours, enter water quenching, drying obtains frit.The group of ceramic green becomes diopside
20~35 parts, 35~40 parts of kaolin, 7~15 parts of magnesium clay soil, 5~12 parts of feldspar, 8~15 parts of quartz sand.Frit is added
To in ceramic green brick, another piece of ceramic green brick does not add frit, after high-temperature calcination, as shown in Figure 2.
Embodiment 6:
Quartzy 23 parts, 14 parts of non-calcinated aluminium oxide, 26 parts of lime stone, 27 parts of potassium feldspar, 12 parts of soda ash, 2 parts of borax are weighed,
It is uniformly mixed, is melted at 1580 DEG C, keep the temperature 2.5 hours, enter water quenching, drying obtains frit.
Embodiment 7:
Quartzy 18 parts, 10 parts of non-calcinated aluminium oxide, 26 parts of lime stone, 29 parts of potassium feldspar, 12 parts of soda ash, 3 parts of borax are weighed,
It is uniformly mixed, is melted at 1520 DEG C, keep the temperature 2.5 hours, enter water quenching, drying obtains frit.
Coefficient of expansion performance: the frit of the high beginning fusing point high expansion coefficient of this project invention being capable of large range of adjusting base
The defects of microporous surface of the coefficient of expansion of glaze, formation is bright, glittering and translucent under light-illuminating, no white point, stomata.
A kind of high beginning fusing point high expansion frit of the invention have passed through a large amount of test, it was demonstrated that suitable soda ash, potassium feldspar
And borax proportion is capable of increasing the coefficient of expansion of frit, reduces the high temperature viscosity of frit, reduces the number of bubbles in glaze.And
Excessive potassium feldspar, soda ash and borax will affect the temperature flowing of glaze slip, lead to the defect of sagging.Suitable aluminium content simultaneously
The beginning fusing point of frit can be made to be increased to 1050 DEG C or so, the generation of stomata is reduced or avoided.The frit of last this project has height
The high sense thoroughly of brightness, does not have white black spot defect.
Claims (3)
1. a kind of frit of high beginning fusing point high expansion coefficient is prepared: stone in parts by mass by the raw material of following mass fraction
20 parts of English, 12 parts of non-calcinated aluminium oxide, 26 parts of lime stone, 29 parts of potassium feldspar, 13 parts of soda ash, 3 parts of borax.
2. a kind of frit of high beginning fusing point high expansion coefficient is prepared: stone in parts by mass by the raw material of following mass fraction
24 parts of English, 12 parts of non-calcinated aluminium oxide, 26 parts of lime stone, 26 parts of potassium feldspar, 12 parts of soda ash, 3 parts of borax.
3. a kind of preparation method of high beginning fusing point high expansion coefficient frit, comprising the following steps:
(1) raw material is weighed, is uniformly mixed；
(2) it is melted at a temperature of 1500~1600 DEG C, keeps the temperature 2~3 hours；
(3) blowing water quenching, drying obtain high beginning fusing point high expansion coefficient frit；
The raw material and its mass fraction are as described in claim any one of 1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510981338.4A CN105601109B (en) | 2015-12-23 | 2015-12-23 | A kind of frit and preparation method thereof of high beginning fusing point high expansion coefficient |
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| CN201510981338.4A CN105601109B (en) | 2015-12-23 | 2015-12-23 | A kind of frit and preparation method thereof of high beginning fusing point high expansion coefficient |
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| CN105601109A CN105601109A (en) | 2016-05-25 |
| CN105601109B true CN105601109B (en) | 2019-01-22 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6132832A (en) * | 1998-05-07 | 2000-10-17 | Ferro Corporation | Tile glaze |
| CN100376502C (en) * | 2006-06-14 | 2008-03-26 | 山东硅苑新材料科技股份有限公司 | Leadfree fritted glaze suitable for secondary sintering |
| CN102390933B (en) * | 2011-08-10 | 2013-11-06 | 广东道氏技术股份有限公司 | Dry grain for crystal throwing brick and method for preparing crystal throwing brick |
| CN103011905B (en) * | 2013-01-05 | 2014-07-16 | 威远县大禾陶瓷原料有限公司 | Lead-free open-flame fast-firing full-frit bone-china glaze and preparation method for same |
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