A kind of abrasion-resistant clear glaze and the method using its preparation glazed tile
Technical field
Glazed tile is prepared the present invention relates to architectural pottery technical field more particularly to a kind of abrasion-resistant clear glaze and using it
Method.
Background technology
Glazed tile is a kind of building and ornament materials of top grade, refers to having glaze layer on adobe surface, by polishing it
As the product with gloss or matte effect, some of which product uses clear frit, has texture, texture under glaze layer
It can be realized by well known various decorative means, such as the texture that cloth is formed, the texture etc. that stamp is formed.
But because current glaze wearability is one of frustration industry compared with hang-up.It is right when as floor decorative material
The wear-resisting property of glaze has larger requirement, is otherwise easy to mill flower, has although this puts more existing crystallite glass composite plate
Larger improvement, but the wear-resisting property of existing glaze is not met by demand.
In this regard, some enterprises are solving the problems, such as this with the mode for thickening glaze layer, but as glaze layer thickeies, for adobe surface
Product with printed layer has certain influence, while as glaze layer thickeies, and also increases manufacturing cost, and because it needs to throw
Mill can close some bubbles in thick glaze layer, these bubbles will present out in rubbing down process, appearance to end product and
Antifouling property impacts, and this mode for thickening glaze layer is also only capable of alleviating the problem of glaze wear-resisting property difference.
Invention content
The problem of being proposed for background technology, the present invention provide a kind of abrasion-resistant clear glaze, white by being used in glaze
Corundum improves its wear-resisting property, while using a large amount of spodumene as flux, to improve the spreading property of glaze, and then makes
Glaze is more smooth, while improving the transparency after glaze is burnt using zinc oxide in solvent, and pass through white fused alumina and oxygen
Change being used in mixed way for zinc, solves glaze layer transparency and the contradiction of wear-resisting property.Also contain a small amount of zirconium in above-mentioned wear-resisting glaze,
By zirconium to be converted into the mass percent of zirconium oxide, zirconium oxide mass percent in glaze need to be less than 0.2%, and general dosage is
The 0.1-0.2% of material quality.A small amount of zirconium can improve the wear-resisting property of glaze layer, while also be unlikely to influence the effect of glaze layer
Fruit, especially for the clear frit for needing to show decoration texture under glaze layer, this puts particularly important.
A kind of abrasion-resistant clear glaze, raw material include following component by mass percentage:10~20% frits, 10~20%
Talcum, 8~15% barium carbonates, 10~20% wollastonites, 5~10% kaolinites are burnt in potassium feldspar, 15~40% spodumenes, 5~20%
Soil, 0.5~5% white fused alumina, 5~10% zinc oxide, 0.1~0.2% zirconium oxide.
Well known preparing ceramic clinker may be used in above-mentioned frit, is mainly flux effect.It is, of course, preferable to for improvement work(
The functional frit of energy, such as:To promote its wear-resisting property, the wear-resisting frit of High-Alumina can be used, frit is more highly preferred to
Raw material includes following component according to mass percent:20~30% potassium feldspars, 3~6% wollastonites, 4~8% life talcums, 5~
8% barium carbonate, 15~20% calcites, 18~22% quartz, 10-14% aluminium oxide, 2~4% zinc oxide, 1~3% carbonic acid
Potassium, 1~2% strontium carbonate.
Frit is as a kind of fluxing agent, it is also desirable to which it is with higher wear-resisting property, therefore using larger in this component
The aluminium oxide of amount, and use rare earth carbonate and zinc oxide as flux, make frit that there is higher transparency and wearability
Can, and the use of carbonate, it can be fully vented in frit melting process, in frit, this further makes no closed air bubbles
Obtain the pin-free defect waited because of exhausting problem in subsequent clear glaze layer.
In the clear frit provided in the present invention, it is 1~2% that strontium carbonate, addition are used in its frit, is not being increased
While the porosity of glaze layer, the wearability of clear frit can be effectively improved, further improves the toughness and hardness of clear frit, and
The melting behaviour of high temperature overglaze is further improved, the good transparency and glossiness are obtained.
In order to make above-mentioned frit have better using effect, glass melting temperature in the preparation is 1450~1550 DEG C.
Glass melting temperature is too low, its melting can be made insufficient, and glass melting temperature is excessively high, can waste of energy.
The present invention also provides a kind of methods preparing glazed tile using above-mentioned glaze, by above-mentioned glaze charity in green body table
Face after entering kiln firing, carries out rubbing down processing and obtains glazed tile product.
Preferably, in above method, green body can be decorated before charity glaze, the decoration can be print
Flower, charity dicoration glaze, charity dry granular melt any one or combination in the block.
Preferably, in above method, stamp is ink-jet printed.
Preferably, in above method, before charity glaze, rubbing down processing can be carried out to green body.
Preferably, in above method, glazed thickness≤0.5mm of the glazed tile product after rubbing down processing.Relatively thin glaze
Layer, can so that the decorative effect on green body is preferably presented, and the relatively thin glaze layer obtained by rubbing down, can be to avoid
Bubble therein, needle pore defect have preferable antifouling property.
Preferably, in above method, abrading block hardness is higher than corundum used in rubbing down processing.
Compared to the prior art, abrasion-resistant clear glaze provided by the invention has particularly preferred wear-resisting property, and it can
To prepare the ceramic brick product of thin glaze layer, all have a distinct increment in the decoration performance of product, anti-pollution characteristic, and manufacturing cost is more
It is low.
Specific implementation mode
Below by some specific embodiments, the present invention will be described, needs to illustrate that following implementation is only
Illustratively, and mostly preferred embodiment.
Embodiment 1-10
With reference to the following table 1, the following table 1 is provided the formula table (wt%) of abrasion-resistant clear glaze by the present embodiment 1-5
Table 1
The above glaze is subjected to ball milling, on conventional ceramic brick adobe surface, used Ceramic Tiles adobe is known for charity
Adobe, glaze ball milling forms glaze slip, in the glaze layer of adobe surface formation 1mm or so by the way of drench glaze, then enters kiln
Firing, 1200-1250 DEG C of firing temperature, firing period are 2.5 hours.Need exist for illustrating, it is above in addition to glaze group exceptionally,
Its technological process is the well known mode of architectural pottery production, can suitably be adjusted in different production lines.Here
Used frit is that well known conventional ceramic produces transparent medium temperature frit, and applicable firing temperature is 1150-1250 DEG C, when
It can be so adjusted in different process requirements.
Rubbing down processing is carried out to product after firing, glazed tile product is obtained, tests its performance.
The wear-resisting property of product glaze is tested using the test method in GB/T4100-2006, test result is aobvious
Show, wear-resisting property reaches 4 grades of requirements in standard, and is held substantially with the famous polished bricks of wear-resisting property in ceramic tile product
It is flat, it can be adapted for the frequent ground decoration of pedestrian's dealing and use.
To illustrate the invention the advantages of scheme, illustrated by two comparative examples.
Comparison implements 1
Selection example 1 is compared.
In this comparative example, spodumene is replaced with to conventional flux material albite, together in glaze formula component
When white fused alumina is removed, it is 15 (wt%) that the ratio of wollastonite, which is turned up,.
Test result shows that the wear-resisting property of its glaze layer is only capable of reaching 3 grades in standard.
Comparative example 2
Selection example 3 is compared
In the present embodiment, spodumene is replaced with into albite, the results showed that the wear-resisting property of product glaze layer has larger carry
It rises, but glaze layer is second-rate, has more needle pore defect, not resistant, and flatness is poor.
Embodiment 6-8
In this is class embodiment, remaining component is consistent with embodiment 4, except that the frit used is following component
Raw material through 1450-1550 DEG C melting after be made.Recipe ingredient is:20~30% potassium feldspars, 3~6% wollastonites, 4~8% lifes
Talcum, 5~8% barium carbonates, 15~20% calcites, 18~22% quartz, 10-14% aluminium oxide, 2~4% zinc oxide, 1~
3% potassium carbonate, 1~2% strontium carbonate.Specifically:
Embodiment 6-8 frits component such as the following table 2 (wt%)
Table 2
Test its wear-resisting property, reach 5 grades, and glaze is more smooth, can with rubbing down to glazed thickness be 0.3mm even
Below.This is because frit is as a kind of fluxing agent, it is also desirable to which it is used with higher wear-resisting property in this component
Larger amount of aluminium oxide, and use rare earth carbonate and zinc oxide as flux makes frit have higher transparency and resistance to
Performance is ground, and the use of carbonate can be fully vented in frit melting process, and no closed air bubbles are in frit, this is into one
Step makes the pin-free defect waited because of exhausting problem in subsequent clear glaze layer.
In the wear-resisting glaze that series embodiment provides, it is 1~2% that strontium carbonate, addition are used in its frit, is not being increased
While adding the porosity of glaze layer, the wearability of clear frit can be effectively improved, further improves the toughness and hardness of clear frit, and
And the melting behaviour of high temperature overglaze is further improved, obtain the good transparency and glossiness.
Embodiment 9
In the present embodiment, a kind of method that the abrasion-resistant clear glaze provided using embodiment 8 prepares glazed tile is provided,
Include the following steps:
(1) known green body raw material are used, mixing and ball milling, mist projection granulating, and compression moulding are carried out;
(2) dry green compact, carry out throwing base, and apply ground-coat enamel, then drench makeup overglaze;
(3) screen printing is used to carry out printing ornament;
(4) adobe of step (3) is spooned and states abrasion-resistant clear glaze, leaching glaze amount is that (preparation is 800X800mm's to 360g
Brick);
(5) adobe after leaching glaze colored ink jet is oozed using oiliness to carry out oozing colored decoration, high temperature firing;
(6) adobe after firing is subjected to flat polish using diamond module;Firing temperature is 1180 DEG C, and firing period is
2.5 hour;
(7) side is refined in thick, finishing polish, obtains the glazed tile product for oozing colored effect.
In one embodiment of the invention, used adobe itself has texture, after carrying out rubbing down to it, makes its cloth
Material formed texture further highlight, then the charity embodiment of the present invention 6 prepare abrasion-resistant clear glaze, then enter klining at,
After rubbing down is processed, glazed tile product is obtained, is decorated by the texture in adobe, obtains the effect of similar stone material, and
And because surface covers one layer of glaze layer, reflecting feel and decorative effect are more preferable.
Certainly, decorating method can be selected as charity dicoration glaze (such as the glaze system with metallic luster here
Product), or the modes such as charity dry granular, stamp are carried out to it and are decorated.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and it cannot be construed to limiting the scope of the invention in any way.Based on the explanation herein, the technology of this field
Personnel would not require any inventive effort the other specific implementation modes that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.