A kind of titanium white fritted glaze and preparation method thereof
Technical field
The present invention relates to building material technical field, more particularly to a kind of titanium white fritted glaze of ceramic wall tile and its
Preparation method.
Background technology
Fritted glaze, is a kind of composition for ceramic surface.The glazed wall tile of China at this stage, its ground-coat enamel is largely used
Be all high titanium titanium white opaque glaze, good milkiness is not only played by the titanium dioxide of high content, the white of glaze can be also improved
Spend and smooth.But titanium white ground-coat enamel cost caused by the cost of the raw material of the titanium dioxide of addition is higher is high, and price is high.
The content of the invention
The technical problems to be solved by the invention there is provided a kind of titanium white fritted glaze, and it is by adding a certain amount of phosphorus ash
Stone, forms phosphorus split-phase in high temperature in glaze, using refringence between liquid phase, improves glaze opacity;Ensure the good of glaze simultaneously
Property premise, reduce titanium dioxide consumption, moreover it is possible to improve opacity, whiteness, flatness.Present invention also offers a kind of titanium white frit
The preparation method of glaze.
The technical problems to be solved by the invention are achieved by the following technical programs:
A kind of titanium white fritted glaze, its chemical composition is by weight percentage:
Na2O 2~3%
K2O 4~5%
MgO 0~1%
CaO 16~18%
Al2O3 6~8%
SiO2 56~62%
P2O5 0.5~1.2%
TiO2 8~10%。
A kind of method for preparing the titanium white fritted glaze, comprises the following steps:By potassium feldspar, titanium dioxide, apatite, pure
Alkali, dolomite, powdered whiting, quartz are well mixed in batch mixer in proportion;Fired in Cinker clew furnace, high-temperature firing temperature is
1450~1510℃;High-temperature water quenching is carried out after the completion of firing, acquisition fritted glaze is drained.Wherein, the weight percent of each material component
Than for:
Potassium feldspar 30 ~ 40%
Titanium dioxide 7 ~ 8%
Soda ash 2 ~ 3%
Dolomite 1 ~ 3%
Powdered whiting 20 ~ 26%
Quartz 20 ~ 32%
Apatite 2 ~ 3%
The percentage sum of each material component is 100%.
Water quenching refers to that the high-temperature glass liquid in tank furnace flows to water temperature into fluidization tower and is broken into 20 ~ 60 degree of ponds with current punching
Bright particle.
The present invention has the advantages that:The present invention is by adding a certain amount of phosphorus in silicate substrate glass
Lime stone, produces the second phase drop, and this drop-wise wants have the surface tension higher than host glass thus from glaze segregation to go out, and
It is uniformly distributed in glaze, and then improves opacity;Under the premise of the formedness for ensureing glaze simultaneously, the consumption of titanium dioxide is reduced, also
Opacity, whiteness, flatness can be improved.
Embodiment
With reference to embodiment, the present invention will be described in detail, and embodiment is only the preferred embodiment of the present invention,
It is not limitation of the invention.
The raw mineral materials chemical composition that following examples are used for:
Embodiment 1 to 3, comparative example 1, the raw material composition of each fritted glaze specifically see the table below.
The preparation method of titanium white fritted glaze is as follows:13 tons of powders are weighed in the ratio of upper table, 20 ~ 25 are mixed in batch mixer
Minute, stir, be distributed into 1 ton of ton bag;High-temperature firing is carried out in Ceramic frit tank furnace, temperature is 1510 ~ 1540 DEG C;High-temperature water
Quench, be packaged into 50 kilograms of packaging.
Embodiment 2, the titanium white fritted glaze of comparative example are applied to porcelain products, application respectively with existing common titanium white fritted glaze
Method is as follows:Titanium white fritted glaze is worn into glaze slip, proportion is adjusted to 1.72, glaze slip is drenched on biscuit, then spoon identical zirconium white
Cover-coat enamel, into burning till, kiln discharge examines whiteness, flatness, pin hole.Under same experiment condition, the effect compared passes through white
Degree analytical instrument measurement apatite titanium white fritted glaze will be higher by the whiteness value of 1 ~ 2 point than common titanium white fritted glaze;In flatness
Compared with common titanium white fritted glaze preferably, pin hole is less.Equally, embodiment 1 to 3 is applied to porcelain products respectively, embodiment 3
Whiteness preferably, specifically see the table below.
Its chemical composition is fritted glaze made from embodiment 1 to 3 and comparative example after testing:
Embodiment described above only expresses embodiments of the present invention, and it describes more specific and detailed, but can not
Therefore the limitation to the scope of the claims of the present invention is interpreted as, as long as the skill obtained using the form of equivalent substitution or equivalent transformation
Art scheme, all should fall within the scope and spirit of the invention.