CN107365077A

CN107365077A - A kind of pottery glaze

Info

Publication number: CN107365077A
Application number: CN201710790119.7A
Authority: CN
Inventors: 赵永强
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-05
Filing date: 2017-09-05
Publication date: 2017-11-21

Abstract

A kind of pottery glaze, it is made of following raw materials according：Silica, titanium oxide, aluminum oxide, iron oxide, sodium oxide molybdena, potassium oxide, calcium oxide, magnesia, lithia, zinc oxide, boron oxide, strontium oxide strontia；The pottery product that the glaze of the present invention makes, exquisite attractive in appearance, artistic effect is strong, and formula is simple, and easy to operate, cost is low, and glaze superposition can obtain the porcelain of more special artistic effects.

Description

A kind of pottery glaze

Technical field

The invention belongs to pottery manufacturing technology field, more particularly to a kind of pottery glaze.

Background technology

Pottery is using glaze thickness as this, and in its color or heavy glaze bottom or outstanding glaze or floating glaze table, the thick muddy work of glaze, glaze layer opalescence jade-like stone moisten, Work of being administrations with multiplied departments is intended to drip, and third dimension is extremely strong.For pottery using transmutation as god, natural transmutation is the elite place of pottery art, and Pottery is rely the four seas of becoming famous, the rare part for porcelain woods of making a name.With applying a kind of glaze in firing, once burn till then in it is multicoloured i.e. " it is of the same colour entering kiln, kiln discharge ten thousand is color ".Protean transmutation effect, forms the infinite mystery of colors changing hue, it is red it is inner it is purple, purple in Resided in dark blue, blue or green it is white, white in it is general red, multicolored imbibition, form a brightening, and have the title of " pottery without right, transmutation is unparalleled ".

When pottery is made, although present technology has been achieved for remarkable progress, but some defects be present, Pottery, from sorting to finished product is fired, during which undergoes tens of road production processes in manufacturing process, and the careless of process can also make Into all that has been achieved is spoiled, this is also pottery the reason for yield is extremely low all the time.Chun glaze is one layer of decorative layer on pottery surface, is to determine The principal element of pottery glaze colours generation, coordinated according to a certain percentage using natural raw mineral materials or some industrial chemicals of addition, Melted under high temperature reducing atmospheres effect and be covered in the rich jade-like stone profit gloss of billet surface and colorful vitreum layer, tool There is abundant dicoration, increase the aesthetic feeling of pottery natural trend, make pottery that there is certain artistic value and enjoying value.

The key of pottery is enamel, and transmutation color of the enamel after being fired determines the value of pottery, white Pottery has bluish white, grey dawn, creamy white, beautiful white etc., and blue pottery has sky blue, acid blue, powder blue, sapphire blue, peacock blue.Enamel is matched somebody with somebody The difference of side, the color burnt out is also variant, and is to apply one layer of glaze on plain tire surface, according to kiln during tradition firing pottery Transmutation occurs for interior firing environment chun glaze, it may appear that some uncontrollable decorative patterns or color lump, the finished product that burns out is more difficult to match somebody with somebody Pair or configuration it is complete.

There are various glaze colours, pattern or its combination, in the market glaze various types, but skill in the market Strong seldom of art effect.

The content of the invention

In order to solve the above problems, the present invention provides a kind of pottery glaze.

The technical solution adopted by the present invention is：

A kind of pottery glaze, it is made of following raw materials according：Silica, titanium oxide, aluminum oxide, iron oxide, sodium oxide molybdena, oxidation Potassium, calcium oxide, magnesia, lithia, zinc oxide, boron oxide, strontium oxide strontia.

A kind of pottery glaze, it is made from the following raw materials in parts by weight：Silica 65-75%, titanium oxide 0.1- 0.3%th, aluminum oxide 15-25%, iron oxide 0.1-0.3%, sodium oxide molybdena 0.5-0.9, potassium oxide 2-6%, calcium oxide 1-3%, magnesia 1- 3%th, lithia 1-4%, zinc oxide 0.3-0.5%, boron oxide 1-5%, strontium oxide strontia 0.3-0.5%.

A kind of pottery glaze, it is made from the following raw materials in parts by weight：Silica 70%, titanium oxide 0.2%, aluminum oxide 20%th, iron oxide 0.2%, sodium oxide molybdena 0.7, potassium oxide 4%, calcium oxide 2%, magnesia 2%, lithia 3%, zinc oxide 0.4%, oxidation Boron 3%, strontium oxide strontia 0.4%.

The beneficial effects of the invention are as follows：The pottery product that the glaze of the present invention makes, exquisite attractive in appearance, artistic effect is strong, Formula is simple, and easy to operate, cost is low, and glaze superposition can obtain the porcelain of more special artistic effects.

Embodiment

A kind of pottery glaze, it is made of following raw materials according：Silica, titanium oxide, aluminum oxide, iron oxide, sodium oxide molybdena, Potassium oxide, calcium oxide, magnesia, lithia, zinc oxide, boron oxide, strontium oxide strontia.

Embodiment 1

A kind of pottery glaze, it is made from the following raw materials in parts by weight：Silica 70%, titanium oxide 0.2%, aluminum oxide 20%, Iron oxide 0.2%, sodium oxide molybdena 0.7, potassium oxide 4%, calcium oxide 2%, magnesia 2%, lithia 3%, zinc oxide 0.4%, boron oxide 3%, Strontium oxide strontia 0.4%.

The application method of above-mentioned pottery glaze：

（1）Glazing：Flawless, the base substrate that surface is round and smooth, quality is high are chosen, the dilution of above-mentioned glaze is reconciled into glaze slip, with compression Air makes glaze slip change nebulize, and is then uniformly sprayed on base substrate, glaze is adsorbed on base substrate by the water imbibition of base substrate；Or Base substrate is immersed in glaze slip and taken out for a moment, using the water imbibition of base substrate, glaze slip is uniformly attached to billet surface；

（2）It is fired by glaze the oxidizing flame stage：Base substrate is loaded into saggar after glazing, gradually risen from 0 DEG C by saggar loading of kiln, then by kiln temperature To 1040 DEG C, the chimney casket plate of ventilation is controlled to open, kiln top skylight opens, and is in oxidizing atmosphere in kiln, in saggar, base substrate and kiln Organic matter in moisture and glaze etc. is discharged, and glaze layer starts to melt, and glaze surface is in unsintered fine granularity；

（3）It is fired by glaze the reducing flame stage：Kiln temperature at 1040 DEG C -1150 DEG C, close by this stage skylight, flue casket door closing or half Open, coal can not fully be burnt, and carbon monoxide increases, and be in reducing atmosphere in kiln, and glaze layer is melted, and glaze paint is gradually closed by porous Close, form rough state；

（4）The neutral flame stage：Kiln temperature is raised to 1270 DEG C by 1150 DEG C, is in weakly reducing atmosphere in kiln, with kiln temperature liter High glaze layer is fused into thick liquid nano and from top to bottom flowed, and the melting of glaze layer makes glaze paint flatten, and glaze layer forms vitreous；

（5）Aoxidize cooling stage：When kiln temperature is raised to 1250 DEG C -1300 DEG C, soaking is ceased fire after insulation 1-2 hours, is opened Wicket, a large amount of oxygen enter in kiln, are in oxidizing atmosphere in kiln, and oxygen is aoxidized to glaze paint, and cooling, glaze colours is formed.

Silica is mainly introduced by quartz, clay and feldspar, and content is more than 50%；Improve the melting temperature of glaze and glue Degree, mechanical strength, whiteness, the transparency, chemical stability, reduce the thermal coefficient of expansion of glaze.

Aluminum oxide is mainly introduced by clay, feldspar, ice crystal, aluminum oxide, aluminium hydroxide, is formed among the network of glaze Body, improve the performance of glaze, improve chemical stability, consistency and elasticity, improve melting temperature, increase the high temperature viscosity of melt, carry The ability of high weathering resistance and chemical erosion, the thermal coefficient of expansion of glaze is reduced, appropriate content can prevent glaze paint to be cracked, and increase it and contain Amount is obtained preferably without light effect.

Calcium oxide is mainly introduced by calcite, marble, dolomite, lime stone, is main fluxing agent in glaze, is improved The mobility and glaze paint glossiness of glaze, some color glaze can be strengthened with its colorability, but reduce glaze paint whiteness, general dosage does not surpass 18% is crossed, can excessively be crystallized, causes glaze layer devitrification, mat glaze is formed, effect, increases body and glaze associativity, improve chemical stability, Increase water resistant, acid, the resistance and wearability of wind.

Magnesia is mainly introduced by magnesite, dolomite, talcum, during low temperature from resistance to fire action, be strong activity during high temperature Cosolvent, the mobility of glaze melt is improved, promotes the formation of body-glaze intermediate layer, reduce the cracking of glaze paint, improve hardness of glaze surface.

Lithia is mainly introduced by lepidolite, spodumene, lithium titanate, lithium metasilicate, lithium zirconate, and sodium oxide molybdena is grown from sodium Stone, borax, sodium carbonate, sodium nitrate etc., for potassium oxide from potassium feldspar, potassium carbonate, potassium nitrate, effect is to reduce the melting temperature of glaze Degree and viscosity, increase the refractive index of melt, improve its glossiness, reduce the chemical stability and mechanical strength of glaze.

Zinc oxide is directly added with zinc oxide or zinc carbonate, and effect makes glaze meltable, the firing temperature of high-temperature glaze is reduced, to glaze Mechanical strength, elasticity, melting behaviour, heat resistance play good effect, improve the glossiness, whiteness, increase glaze of glaze Maturing range, crystalline glaze can be formed.

Boron oxide is introduced by boric acid, borax, and strong cosolvent and silicate form low-melting mixtures, reduce the melting of glaze Temperature, increase the refractive index of glaze, improve glossiness.

Strontium oxide strontia is introduced by strontium carbonate, and effect improves gloss, expands firing range, all advantages with barium monoxide, and It is non-toxic.

Embodiment 2

A kind of pottery glaze, it is made from the following raw materials in parts by weight：Silica 65%, titanium oxide 0.1%, aluminum oxide 15%, Iron oxide 0.1%, sodium oxide molybdena 0.5, potassium oxide 2%, calcium oxide 1%, magnesia 1%, lithia 1%, zinc oxide 0.3%, boron oxide 1%, Strontium oxide strontia 0.3%.

Embodiment 3

A kind of pottery glaze, it is made from the following raw materials in parts by weight：Silica 75%, titanium oxide 0.3%, aluminum oxide 25%, Iron oxide 0.3%, sodium oxide molybdena 0.9, potassium oxide 6%, calcium oxide 3%, magnesia 3%, lithia 4%, zinc oxide 0.5%, boron oxide 5%, Strontium oxide strontia 0.5%.

Claims

A kind of 1. pottery glaze, it is characterised in that：It is made of following raw materials according：Silica, titanium oxide, aluminum oxide, oxidation Iron, sodium oxide molybdena, potassium oxide, calcium oxide, magnesia, lithia, zinc oxide, boron oxide, strontium oxide strontia.
A kind of 2. pottery glaze according to claim 1, it is characterised in that：It is to be made from the following raw materials in parts by weight 's：Silica 65-75%, titanium oxide 0.1-0.3%, aluminum oxide 15-25%, iron oxide 0.1-0.3%, sodium oxide molybdena 0.5-0.9, oxidation Potassium 2-6%, calcium oxide 1-3%, magnesia 1-3%, lithia 1-4%, zinc oxide 0.3-0.5%, boron oxide 1-5%, strontium oxide strontia 0.3- 0.5%。
A kind of 3. pottery glaze according to claim 1, it is characterised in that：It is to be made from the following raw materials in parts by weight 's：Silica 70%, titanium oxide 0.2%, aluminum oxide 20%, iron oxide 0.2%, sodium oxide molybdena 0.7, potassium oxide 4%, calcium oxide 2%, oxidation Magnesium 2%, lithia 3%, zinc oxide 0.4%, boron oxide 3%, strontium oxide strontia 0.4%.