CN101921136B - Raw material matting glaze - Google Patents
Raw material matting glaze Download PDFInfo
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- CN101921136B CN101921136B CN 201010145245 CN201010145245A CN101921136B CN 101921136 B CN101921136 B CN 101921136B CN 201010145245 CN201010145245 CN 201010145245 CN 201010145245 A CN201010145245 A CN 201010145245A CN 101921136 B CN101921136 B CN 101921136B
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Abstract
The invention relates to ceramic glaze, in particular to raw material matting glaze used for producing high-quality matting bone china products. The raw material matting glaze comprises the following chemical components in percent by weight: 48-60 percent of SiO2, 12.0-22.0 percent of Al2O3, 5.0-12.0 percent of ZnO, 5-12 percent of CaO, 0.5-2.0 percent of MgO, 0.0-3 percent of BaO, 0.0-3.0 percent of ZrO2, 0.0-2.0 percent of TiO2 and 5.0-15.0 percent of K2O and Na2O. The feldspar of the mineral raw material is mainly introduced. The invention has simple, scientific and reasonable constituent and is the raw material glaze; and the glaze does not need to be made into frits, therefore, energy sources are largely saved; the blank glaze has good adaptability, low firing temperature and wide firing range; the fired finished-product ceramic glaze surface is fine, moist, smooth and soft and does not have strong reflect light; and the glaze surface has strong corrosion resistance, high mechanical strength and good thermal shock stability and is easy to clean, therefore, the glaze is especially suitable for tableware dish-washing machines. The invention thoroughly solves the problems of the gloss and the texture of high-grade bone china.
Description
Technical field
The present invention relates to ceramic glaze, especially a kind of raw material matting glaze for the production of high-grade dumb light Bone China product.
Technical background
The glaze of pottery is to pass through physics by the effect of fire---chemical reaction produces various variations and obtains, and is the glassy mass that is formed through complicated physical-chemical reaction in hot conditions by multi mineral raw material and inorganic chemical industry material.Glaze is a kind of silicate, orthosilicate SiO
2H
2O or H
2SiO
3Be dihydric acid and basic metal or alkaline-earth metal chemical combination, then generate the transparent vitreous glaze layer of gloss beauty, close the gloss [non-references 1] that can obtain beauty with the calorize in the metal.Bone China is universally acknowledged high-grade porcelain kind.For a long time, the enamel of production Bone China all is the clear frit glaze that uses high gloss.
Dumb light glaze is the micro-crystallization glaze of matt glaze system, the crystal that is the very tiny granularity that produced by firing period brings out generation, the crystallization result makes glaze produce matt appearance, its Dumb ray machine reason, in admixtion, to add the element that can cause the Dumb light action, generate countless small single crystal in certain firing temperature and suitable speed of cooling process, the countless small single crystal of this class reflect light, thus generation Dumb light effect.
Dumb light glaze is modernized ceramic flawless finish glaze, it is the up-to-date trend of world today's ceramic decoration material, because Dumb light glaze, glaze exquisiteness, moist, without strongly reflective, give a kind of soft, quiet, comfortable visual experience of people, use its decorating ceramic articles, have simplicity, nature, graceful artistic characteristics.Dumb light glaze has opaque Dumb optical surface, and the base substrate color and luster is had stronger opacifying power, therefore, is used for decorating high-quality Bone China, can make product obtain special texture, aesthetic feeling and unique artistic charm [non-references 1].
High-grade matting glaze element is quiet and not delicate and charming, smoothly and not bright, and finger touch is like suet, light such as wax, like satin, like thin,tough silk, and stain resistance, under same case, thermostability and ultimate compression strength are all good than common quartzy glaze.The matting glaze product can make the people feel quiet, detailed and, body and mind is loosened, fatigue alleviates, and is happy.High-grade matting glaze product, with the psychology that its distinctive effect has been catered to people, the market of more and more selling well [non-references 2].
High-quality Bone China all is to adopt to burn till i.e. high temperature biscuiting and low temperature sinter twice at present.The dumb light glaze that Bone China is used also all is to utilize the dumb light fritted glaze to come processing, that is to say that the matting glaze frit that high temperature melting is made is pulverized again to make glaze slip.This is complex process not only, and the labor force consumes greatly, and causes the great waste of the energy.
The patents such as China dumb light pottery patent " a kind of matt glaze and manufacture method thereof---application number/patent No.: 200610138704 ", " china sanitary ware---application number/patent No.: 200420044393.8 ", " a kind of production technique of dummy porcelain polished tile and polishing thereof and grinding plant---application for a patent for invention number: cn200510035090.9 ", its production technique are to adopt dumb light fritted glaze, dumb light coating, grind or utilize the method such as chemical corrosion to reach the effect of dumb light with dumb light substantially.Research to raw material matting glaze does not also set foot in, especially to the research of the daily Bone China raw glaze of top grade or blank.
Summary of the invention
The object of the present invention is to provide a kind of composition simple, energy consumption is little, is easy to produce the brand-new Bone China raw material matting glaze that glaze is level and smooth, fine and smooth, moist.
Raw material matting glaze of the present invention, its chemical constitution (wt%) is: SiO
248~60.0%, Al
2O
312.0~22.0%, ZnO 5.0~12.0%, CaO 5~12%, MgO 0.5~2.0%, BaO 0.0~3%, ZrO
20.0~3.0%, TiO
20.0~2.0%, K
2O+Na
2O 5.0~15.0%.
Raw material matting glaze of the present invention, its raw material forms formulated by following weight percent: potassium felspar sand 60.0~75.0%, aluminum oxide 1.0~6.0%, zinc oxide 5.0~12.0%, Wingdale 5.0~15.0%, calcination of talc 0.0~3.0%, barium carbonate 0.0~3.0%, zirconium silicate 0.0~3.0%, titanium dioxide 0.0~2.0%, Suzhou soil 3.0~7.0%.
The main potassium felspar sand of introducing raw mineral materials during its raw material of raw material matting glaze of the present invention forms.Form simple, scientific and reasonable; Be a kind of raw glaze, need not make frit, a large amount of save energy, easy to implement; Glaze fit is good, and firing temperature is low, and firing range is wide, is particularly suitable for the characteristics of domestic kiln excessive temperature differentials; Finished-product ceramic glaze surface after burning till is fine and smooth, moist, smooth, soft, light transmission is strong, without strong reflective, presents and the different texture of common porcelain and brightness, is distributing from head to foot noble's noble makings; Gloss and the texture problem of high-grade bone china have thoroughly been solved.
The preparation of glaze slurry: the raw material that at first needs by the proportioning weighing that designs in advance; Secondly with a certain proportion of ball-milling medium---ballstone adds ball mill, simultaneously load weighted raw material is added ball mill; Secondly a certain proportion of water and other dispersion agent are added ball mill.Admixtion is carried out ball mill pulverizing, and it is for subsequent use after old 48 hours to make slip.
This research selects potassium felspar sand to introduce potassium oxide, zirconium silicate is introduced zirconium white, Wingdale is introduced calcium oxide, calcination of talc is introduced magnesium oxide, selecting with common identical of other raw materials, the chemical constitution that the raw materials used chemical constitution of the present invention sees Table 1. above-mentioned raw materials component Minerals raw materials sees Table 1, and the purity of industrial chemicals is more than 98%.
Table 1 raw material chemistry weight forms table (wt%)
The first step is by the various raw materials of prescription weighing of design.
Second step, in admixtion: ballstone: the ratio of water=1: 2: 1 is respectively with ballstone, and admixtion and water add ball mill, adds a certain amount of dispersing agent C MC again and grinds and make glaze slip.The particle that the glaze slip granularity is controlled at the following particle diameter of 10 μ m accounts for 80~87%.
Raw glaze slip of the present invention household china production technique and operating duty use routinely gets final product.Glaze slip imposes on the biscuit of biscuiting, fires under the glaze firing condition again, namely obtains finished product.
For a long time, the enamel of production Bone China all is the transparent that uses high gloss.Transparent bright glaze can make bright-coloured lucid and lively, the svelteness of ceramic surface, and porcelain is penetrating, the type light.
Along with the continuous lifting of people's living standard and quality, increasing human consumer wishes simple, the nature of ceramic, elegance gradually;---ceramic fashion trend---indication " dumb light epoch " that the international pottery exhibition of Italy Bologna is set up a weathervane to ceramic industry arrive [non-references 3]." dumb light epoch ", people are making every effort to life emotional affection, soft and living space.High-quality Bone China is added matting glaze, has increased more temperament and interest and Beautiful treat for undoubtedly people's life.
The method of producing matting glaze generally is to add some oxide compound in transparent glaze formula, such as zinc oxide, and aluminum oxide or alkaline earths (magnesium, calcium, strontium, barium) oxide compound.The small crystallization that generates in the Dumb light glaze has lime feldspar, wollastonite, celsian-felspar, tridymite, mullite etc.Though different types of Dumb light glaze all can produce good Dumb light effect, good Dumb light glaze glaze should light such as wax, level and smooth, fine and smooth, moisten, the sense of touch of silk quality.As the tableware porcelain, then crystal should more small densification be good, so than easy cleaning, and also can be lower with the friction destruction of metalic tableware.But the higher or dry and astringent coarse problem of glaze of gloss often can appear aborning.The quality of Dumb light glaze Dumb light effect is to be determined by chemical constitution and the firing temperature of glaze, the speed of burning till.It is higher that firing temperature is crossed high gloss, and it is uneven that temperature is crossed low glaze, when having determined ceramic batch, firing temperature, burn till speed, can only solve the problem that it restricts mutually by the chemical constitution of adjusting glaze, and the mole chemical constitution ratio of Si and Ca should be between 4.5-5.5 in this proportioning.
Based on above theory, selected potassium felspar sand as solvent in the composition and ratio of this research; Do the dumb light agent with zinc oxide, the cooling rate when adjusting cooling makes zinc oxide separate out the micro crystal of a large amount of densifications in process of cooling; Add simultaneously barium carbonate to improve the dumb light effect; In addition, the consumption of control aluminum oxide and calcium oxide reaches the purpose of high-quality dumb light effect when making product surface produce the silk quality sense of touch.
[non-references 1]: Su Jicheng; " popular science and technology " 2008. (3).
[non-references 2]: Yu Guoming; " Chinese pottery industry " 2002.Vol.9, No.3.
[non-references 3]: http://www.fstaoci.com/news/200811/1510017.htm
The invention will be further described below in conjunction with embodiment.
Embodiment 1
Embodiment 1 described raw material matting glaze is formed by the preparation of raw material of following weight percent:
Potassium felspar sand 64.0%, aluminum oxide 4.5%, zinc oxide 8.0%, Wingdale 14.0%, calcination of talc 1.5%, titanium dioxide 1.0%, zirconium silicate 1.5%, barium carbonate 1.5%, Suzhou soil 4.0%.
At first by the above-mentioned various raw materials of proportioning weighing; Secondly by admixtion: ballstone: the ratio of water=1: 2: 1 adds respectively ball mill, adds 0.05% dispersing agent C MC grinding again and makes glaze slip.The particle that the glaze slip granularity is controlled at the following particle diameter of 10 μ m accounts for 80~87%, and it is for subsequent use to make old 48 hours of slip.
The glaze slip that makes is imposed on the Bone China biscuit of biscuiting, under 1120-1150 ℃ temperature, burn till, obtain high-quality dumb light Bone China product.Porcelain facing light such as the wax of product, and sense of touch level and smooth, fine and smooth, moist, silk quality.Simultaneously, through experiment confirm, the glaze surface corrosive is strong, is difficult for loss of gloss, non-scaling, easy cleaning; Physical strength is high, and good thermal shock stability is adapted to the use in the tableware dishwasher especially.
Embodiment 2
Embodiment 2 described raw material matting glazes are formed by the preparation of raw material of following weight percent:
Potassium felspar sand 64.5%, aluminum oxide 4.0%, zinc oxide 9.0%, Wingdale 14.0%, calcination of talc 1.0%, titanium dioxide 1.0%, zirconium silicate 1.0%, barium carbonate 1.0%, Suzhou soil 4.5%.
At first by the above-mentioned various raw materials of proportioning weighing; Secondly by admixtion: ballstone: the ratio of water=1: 2: 1 adds respectively ball mill, adds 0.05% dispersing agent C MC grinding again and makes glaze slip.The particle that the glaze slip granularity is controlled at the following particle diameter of 10 μ m accounts for 80~87%, and it is for subsequent use to make old 48 hours of slip.
The glaze slip that makes is imposed on the Bone China biscuit of biscuiting, under 1130-1170 ℃ temperature, burn till, obtain high-quality dumb light Bone China product.Porcelain facing light such as the wax of product, and sense of touch level and smooth, fine and smooth, moist, silk quality.Simultaneously, through experiment confirm, the glaze surface corrosive is strong, is difficult for loss of gloss, non-scaling, easy cleaning; Physical strength is high, and good thermal shock stability is adapted to the use in the tableware dishwasher especially.
Embodiment 3
Embodiment 3 described raw material matting glazes are formed by the preparation of raw material of following weight percent:
Potassium felspar sand 65.0%, aluminum oxide 4.0%, zinc oxide 10.0%, Wingdale 13.5%, calcination of talc 1.0%, titanium dioxide 0.5%, zirconium silicate 0.5%, barium carbonate 0.5%, Suzhou soil 5.0%.
At first by the above-mentioned various raw materials of proportioning weighing; Secondly by admixtion: ballstone: the ratio of water=1: 2: 1 adds respectively ball mill, adds 0.05% dispersing agent C MC grinding again and makes glaze slip.The particle that the glaze slip granularity is controlled at the following particle diameter of 10 μ m accounts for 80~87%, and it is for subsequent use to make old 48 hours of slip.
The glaze slip that makes is imposed on the Bone China biscuit of biscuiting, under 1140-1180 ℃ temperature, burn till, obtain high-quality dumb light Bone China product.Porcelain facing light such as the wax of product, and sense of touch level and smooth, fine and smooth, moist, silk quality.Simultaneously, through experiment confirm, the glaze surface corrosive is strong, is difficult for loss of gloss, non-scaling, easy cleaning; Physical strength is high, and good thermal shock stability is adapted to the use in the tableware dishwasher especially.
The chemical constitution of each embodiment sees Table 2.
The chemical weight percentage composition table (wt%) of table 2 embodiment
Claims (3)
1. a raw material matting glaze is characterized in that, the chemical constitution of this raw material matting glaze (wt%) is:
SiO
248~60.0%, Al
2O
312.0~22.0%, ZnO 5.0~12.0%, CaO 5~12%, MgO 0.5~2.0%, BaO 0.0~3%, ZrO
20.0~3.0%, TiO
20.0~2.0%, K
2O+Na
2O 5.0~15.0%; Feed composition and the weight percent of this raw material matting glaze consist of: potassium felspar sand 60.0~75.0%, aluminum oxide 1.0~6.0%, zinc oxide 5.0~12.0%, Wingdale 5.0~15.0%, calcination of talc 0.0~3.0%, barium carbonate 0.0~3.0%, zirconium silicate 0.0~3.0%, titanium dioxide 0.0~2.0%, Suzhou soil 3.0~7.0%.
2. the raw material matting glaze of narrating according to claim 1 is characterized in that this matting glaze is a kind of raw glaze that is directly formed through preparation, ball milling by raw mineral materials and Inorganic Chemicals.
3. the raw material matting glaze of narrating according to claim 1 is characterized in that its firing range is between 1120-1180 ℃.
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