It is a kind of for the crack glaze of glass Mosaic and the preparation process of glass Mosaic
Technical field
The present invention relates to mosaic technical field more particularly to a kind of crack glazes and glass Marseille for glass Mosaic
Gram preparation process.
Background technique
Mosaic is also known as mosaic tile or leatheroid brick, rises in ancient Greek.For being combined into the piece of various decorative patterns in building
Shape small tiles.Blank is fired into mosaic tile in kiln, is mainly used for floor file or inner wall decoration, it can also be used to exterior wall through semi-dry pressing
Facing.With the continuous improvement of people's living standards, people are also changing the decoration pursuit of household internal, to decorative wall brick
It is required that being also continuously improved.At present for the decoration of home decoration, especially toilet, kitchen etc., more persons select moulding
More unique mosaic, but existing Mosaic product surface effect is single, cannot meet the needs.Therefore one kind is developed
The technique of abundant mosaic surface decoration effect is extremely important.
Summary of the invention
It is an object of the invention to propose a kind of crack glaze for glass Mosaic, there is glaze uniform and delicate, color development
Stable feature.
Another object of the present invention is to propose the preparation process of crack glaze glaze slip, there is glaze slip uniform and smooth, glaze to imitate
The stable feature of fruit.
Another object of the present invention is to propose a kind of glass Mosaic, have the characteristics that incrustation is abundant.
Another object of the present invention is to propose a kind of preparation process of glass Mosaic have preparation process simple, section
The characteristics of saving the energy.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of crack glaze for glass Mosaic includes the following raw material: 50-60 parts of glass powder, borax 30- by weight
40 parts, 5-10 parts of albite, 10-20 parts of low temperature high-expansion frit, 0-5 parts of colorant.
Further, above-mentioned crack glaze further includes 1-2 parts and hydroxymethyl cellulose 0.2-0.8 parts of stabilizer.
Above-mentioned crack glaze glaze slip preparation process, comprising the following steps:
(1) glass powder, borax, albite, low temperature high-expansion frit are weighed respectively according to the proportion, is screened to 200 respectively
Mesh is added stabilizer 1-2 parts and hydroxymethyl cellulose 0.2-0.8 parts, and water is added to carry out ball milling, obtains base glaze slip;
(2) the base glaze slip for obtaining step (1), adds water mixing to adjust the density of glaze slip, and colorant is added according to weight ratio,
It stirs evenly, glazing glaze slip is made.
Further, ball milling presses material, ball, water quality ratio 1:2:(0.8-1.2 in step (1)), Ball-milling Time 2-3h.
Further, the density of glaze slip is 1.30 ± 0.1g/cm in step (2)3。
A kind of glass Mosaic, including mosaic green body and positioned at the glaze layer of mosaic billet surface, glaze layer is by above-mentioned
Crack glaze is fired.
The preparation process of above-mentioned glass Mosaic, includes the following steps:
(1) mosaic green body is prepared, by mosaic green body biscuiting;
(2) the mosaic billet surface after biscuiting applies crack glaze glaze slip as claimed in claim 3;
(3) green body after glazing is sent into roller kilns and is sintered.
Further, green body biscuiting temperature is 650-700 DEG C in step (1), time 80-100min.
Further, glaze volume is (0.6-1.0) kg/m in step (2)2。
Further, sintering temperature is 780-820 DEG C in step (3), time 80-100min.
The invention has the benefit that by by glass powder, borax, albite, low temperature high-expansion frit, preservative,
Methyl compounds according to a certain percentage, and grinding obtains glaze slip, its cloth is imposed on mosaic billet surface formation glaze layer and is passed through
After low-firing, which can form the crack glaze of effect stability.This technology enriches the surface dress of mosaic
Effect is adornd, the formula system of crack glaze is simple, can be by the rational proportion of various composition without containing contaminant component in ingredient
It is fired under low temperature, it is energy saving.Additionally by the color that the adjustable crack glaze of colorant is added, increase the diversity of crack glaze,
Keep application range wider.
Specific embodiment
Technical solution of the present invention is further illustrated below by specific embodiment.
A kind of crack glaze for glass Mosaic of the present invention includes the following raw material by weight: 50-60 parts of glass powder,
30-40 parts of borax, 5-10 parts of albite, 10-20 parts of low temperature high-expansion frit, 0-5 parts of colorant.
The present invention proposes a kind of crack glaze, and mainly using glass powder as primary raw material, it is high that borax, albite, low temperature is added
Dilatancy frit, colorant and water polo appropriate grinding obtain glaze slip, its cloth is imposed on billet surface formation glaze layer and is passed through
After low-firing, which can form the crack glaze of effect stability.
Wherein, borax plays fluxing effect, and the additive amount of borax is 30-40 parts, the glaze gloss formed less than 30 parts
It is poor to spend, and glaze has pin hole, and the glaze formed greater than 40 parts has pin hole, and at high cost.Albite can provide sodium element, adjust glaze
The coefficient of expansion of slurry reduces base glaze firing temperature.Low temperature high-expansion frit is that positive glaze materials are matched with commercially available Zichuan District,
The coefficient of expansion is 360 × 10-7/ DEG C, addition high-expansion frit can form the effect of glaze drawing crack, keep glaze good with green body
In conjunction with.The additive amount of low temperature high-expansion frit is 10-20 parts, and less than 10 parts, the glaze of formation does not have crackle, is greater than 20 parts,
The glaze of formation can peel off.The color for increasing the adjustable crack glaze of colorant in the feed, increases the diversity of crack glaze.Colorant
It can be copper oxide, titanium dioxide, iron oxide, manganese dioxide etc..
This crack glaze can be used for glass Mosaic, enrich the surface decoration effect of glass Mosaic.This crack glaze
Raw material is simple, without containing contaminant component in ingredient, is capable of forming the glazing effect of crackle, passes through the rational proportion of various composition
It can fire at low temperature, it is energy saving.
Further, above-mentioned crack glaze further includes 1-2 parts and hydroxymethyl cellulose 0.2-0.8 parts of stabilizer.
The glaze slip stability of glaze can be improved in addition stabilizer, and stabilizer is preferably ethylene glycol, meet process conditions and
It is at low cost.Hydroxymethyl cellulose plays the role of bonding glaze slip and green body before glaze firing, is transporting the glaze layer on green body
It is not easy to peel off during defeated, moreover it is possible to play suspension effect, the particle in glaze slip is made to be not easy to precipitate.
Above-mentioned crack glaze glaze slip preparation process, comprising the following steps:
(1) glass powder, borax, albite, low temperature high-expansion frit are weighed respectively according to the proportion, is screened to 200 respectively
Mesh is added stabilizer 1-2 parts and hydroxymethyl cellulose 0.2-0.8 parts, and water is added to carry out ball milling, obtains base glaze slip;
(2) the base glaze slip for obtaining step (1), adds water mixing to adjust the density of glaze slip, and colorant is added according to weight ratio,
It stirs evenly, glazing glaze slip is made.
The present invention proposes a kind of crack glaze glaze slip preparation process, obtains base glaze by adding a small amount of water to carry out ball milling raw material
Slurry.Adding water is ball milling for convenience, and the base glaze slip made is more uniform, add water base glaze slip is deployed it is dense to suitable hanging
Consistency, herein plus water is density in order to adjust glaze slip.Add the glaze of the available more uniform exquisiteness of water twice by separating
Slurry.
Further, ball milling presses material, ball, water quality ratio 1:2:(0.8-1.2 in step (1)), Ball-milling Time 2-3h.
Material, ball, water weight ratio are 1:2:(0.8~1.2) when, more evenly, grinding rate faster, is ground the granularity of mixture
It grinds more efficient.Mixture ball milling 2-3h, makes to mix between powder particles more uniform, and fineness is more uniform.
Further, the density of glaze slip is 1.30 ± 0.1g/cm in step (2)3。
The density of glaze slip is lower than 1.20g/cm3When, the glaze layer of firing has watermark, and the density of glaze slip is higher than 1.40/cm3
When, the glaze layer of firing has glaze bubble and pin hole, uses density for 1.30 ± 0.1g/cm3Glaze slip on green body charity formed
Glaze layer bubble-free, pin hole and watermark, glaze layer is high-quality.
A kind of glass Mosaic, including mosaic green body and positioned at the glaze layer of mosaic billet surface, glaze layer is above-mentioned to be split
Line glaze is fired.
The charity crack glaze on mosaic green body, can enrich the surface decoration effect of mosaic, have mosaic surface
There is aesthetic feeling.
The preparation process of above-mentioned glass Mosaic, includes the following steps:
(1) mosaic green body is prepared, by mosaic green body biscuiting;
(2) the mosaic billet surface after biscuiting applies crack glaze glaze slip as claimed in claim 3;
(3) green body after glazing is sent into roller kilns and is sintered.
The present invention proposes a kind of glass Mosaic preparation process, prepares mosaic green body with existing technology, will be by glass
The glaze slip that the raw materials such as powder, borax, albite and low temperature high-expansion frit prepare imposes on the mosaic green body by biscuiting
Low-temperature sintering is finally passed through on surface, forms the stable glaze layer of glazing effect.Compared to existing Mosaic product, the system of formation
Product surface decoration effect is more abundant, and whole preparation process is simple.Pass through compounding for albite and low temperature high-expansion frit, energy
It is enough to be sintered under cryogenic, more save the energy.
Further, green body biscuiting temperature is 650-700 DEG C in step (1), time 80-100min.
Green body carries out biscuiting at a certain temperature before glazing, green body can be made to be formed, and prevents green body in glazing process broken
Damage, and lower biscuiting temperature can guarantee billet surface there are more gap, facilitate glazing, moreover it is possible to guarantee billet surface sucking
Uniformly, so that glaze is smooth, be conducive to the firing quality for improving glaze.
Further, glaze volume is (0.6-1.0) kg/m in step (2)2。
Glazed thickness is controlled by glaze volume in suitable range.Glaze layer is blocked up to be caused to generate faint answer in glaze layer
Power weakens the elasticity of glaze, makes glaze layer shattered crack;Glaze layer is excessively thin so that liquid phase is absorbed by green body, keep glaze withered and unglazed, cannot get
Crack glaze.
Further, sintering temperature is 780-820 DEG C in step (3), time 80-100min.
By control sintering range and sintering time, so that the more uniform densification of glazing effect of firing, glaze hair
Colour-stable, sintering temperature is lower than 780 DEG C, the glaze low in glossiness of formation, and pin hole is more;Sintering temperature is greater than 820 DEG C, mosaic
Blank deformation, softening, burning expansion.
The present invention is further explained by the following examples.
Embodiment group A is crack glaze, and the glaze formula of crack glaze is as shown in table 1 in embodiment A1-A5:
The composition of raw materials of the glaze of 1 crack glaze of table in parts by weight
Raw material (parts by weight) |
Embodiment A1 |
Embodiment A2 |
Embodiment A3 |
Embodiment A4 |
Embodiment A5 |
Glass powder |
50 |
52 |
55 |
57 |
60 |
Borax |
37 |
35 |
32 |
30 |
40 |
Albite |
10 |
9 |
7 |
5 |
6 |
Low temperature high-expansion frit |
10 |
17 |
15 |
20 |
12 |
Stabilizer |
1 |
1.5 |
2 |
1 |
2 |
Hydroxymethyl cellulose |
0.6 |
0.8 |
0.5 |
1 |
0.4 |
Colorant |
0 |
3 |
2 |
5 |
1 |
The preparation process of experimental group A crack glaze glaze slip, comprising the following steps:
(1) glass powder, borax, albite, low temperature high-expansion is weighed respectively according to the raw material proportioning of 1 crack glaze of table to melt
Block is screened to 200 mesh respectively, and stabilizer and hydroxymethyl cellulose is added according to the raw material proportioning of 1 crack glaze of table, presses material, ball, water
Weight ratio 1:2:(0.8-1.2) add water for ball milling 2-3h into mixture, obtain base glaze slip;
(2) the base glaze slip for obtaining step (1) adds water mixing to adjust the density of glaze slip, according to the raw material of 1 crack glaze of table
Colorant is added in proportion, stirs evenly, glazing glaze slip is made.
In embodiment A1-A5, the glaze slip preparation process of crack glaze is as shown in table 2:
Table 2
Project |
Embodiment A1 |
Embodiment A2 |
Embodiment A3 |
Embodiment A4 |
Embodiment A5 |
Ball milling ratio |
1:2:1.1 |
1:2:0.9 |
1:2:1 |
1:2:0.8 |
1:2:1.2 |
Ball-milling Time h |
2 |
3 |
2.5 |
3 |
2 |
Glaze slip density g/cm3 |
1.4 |
1.25 |
1.3 |
1.35 |
1.2 |
Embodiment group B is glass Mosaic
The glass Mosaic of embodiment B1-B5 includes mosaic green body and the glaze layer positioned at mosaic billet surface, glaze layer
It is made of being fired as the glaze slip of one of embodiment A1-A5.The preparation process of the glass Mosaic, comprising the following steps:
(1) prepare mosaic green body, by mosaic green body at 650-700 DEG C biscuiting 80-100min;
(2) crack glaze glaze slip made of one of mosaic billet surface application embodiment A1-A5 after biscuiting, glaze volume
For (0.6-1.0) kg/m2;
(3) green body after glazing is sent into roller kilns and is sintered, obtain glass Mosaic.
In embodiment B1-B5, the crack glaze glaze slip and preparation technology parameter of glass Mosaic are as shown in table 3:
Table 3
Project |
Embodiment B1 |
Embodiment B2 |
Embodiment B3 |
Embodiment B4 |
Embodiment B5 |
Biscuiting temperature DEG C |
650 |
690 |
675 |
660 |
700 |
Biscuiting time min |
80 |
85 |
90 |
95 |
80 |
Crack glaze |
Embodiment A1 |
Embodiment A2 |
Embodiment A3 |
Embodiment A4 |
Embodiment A5 |
Glaze volume kg/m2 |
0.6 |
0.7 |
0.8 |
0.9 |
1 |
Sintering temperature DEG C |
820 |
790 |
800 |
810 |
780 |
Sintering time min |
80 |
95 |
90 |
85 |
100 |
Comparative example 1
Under the conditions of identical preparation step in embodiment A5 and embodiment B5 and identical technological parameter, change is split
The proportion of the recipe ingredient of line glaze, as shown in table 4:
The composition of raw materials of 4 parts by weight meter of table
Above-mentioned crack glaze composition of raw materials is prepared into crack glaze glaze slip according to the preparation method in embodiment A5, further according to implementation
Preparation step and process conditions in example B5 prepare glass Mosaic.
Comparative example 2
Under the conditions of identical formula in embodiment A5 and embodiment B5 and identical preparation step, change crack glaze
The density of glaze slip, the sintering temperature of glass Mosaic and time, as shown in table 5:
Table 5
Comparative example |
Glaze slip density g/cm3 |
Sintering temperature DEG C |
Sintering time min |
Comparative example 2-1 |
1.1 |
760 |
110 |
Comparative example 2-2 |
1.5 |
840 |
70 |
The glaze slip density for the crack glaze being prepared in embodiment A5 is adjusted to parameter shown in table 5, then by embodiment
Parameter shown in sintering temperature and time adjustment to table 5 in B5, prepares glass Mosaic.
The glass Mosaic prepared in above-described embodiment group A and B, comparative example group 1 and 2 is subjected to glazing effect ratio
Compared with result is as shown in table 6 below:
Table 6: the glazing effect of glass Mosaic in embodiment B1-B5 and comparative example
As can be seen from Table 6, there is the glazing effect of crackle by the glass Mosaic that embodiment group A and B are prepared, it should
Glazing effect is stablized, even compact, and color development is stablized;And the borax and low temperature high-expansion of lower content are used in comparative example 1-1
Frit, glass Mosaic obtained does not form the glazing effect of crackle and glaze has pin hole, low in glossiness;Comparative example 1-2
Middle borax and low temperature high-expansion frit using high level, glass Mosaic glaze obtained peel off and have pin hole;It is right
Ratio 2-1 uses lower glaze slip density and sintering temperature, and glass Mosaic glaze obtained has a watermark, and pin hole is more and light
Damp degree is poor;Comparative example 2-2 use higher glaze slip density and sintering temperature, glass Mosaic glaze obtained have glaze bubble and
Pin hole, and blank deformation, softening.
Therefore it is compounded, is obtained using a certain amount of glass powder, borax, albite, low temperature high-expansion frit and colorant
It must can be used for the glaze slip of glass Mosaic, after low-firing, glaze is stablized, even compact, and color development is stablized, and greatly enriches horse
The surface decoration effect of match gram, so that application range is more extensive.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field
Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within
Within protection scope of the present invention.