CN100506756C - Technique for preparing antibiotic stoneware tableware - Google Patents
Technique for preparing antibiotic stoneware tableware Download PDFInfo
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- CN100506756C CN100506756C CNB2007101007648A CN200710100764A CN100506756C CN 100506756 C CN100506756 C CN 100506756C CN B2007101007648 A CNB2007101007648 A CN B2007101007648A CN 200710100764 A CN200710100764 A CN 200710100764A CN 100506756 C CN100506756 C CN 100506756C
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Abstract
Production of antibacterial ceramics is carried out by adding 0.1-4% composite silver or composite nantokite bactericide into frit, adding into 0.1-5% composite zinc bactericide or 1-8% mixed bactericide, adding into 40-60% water, ball grinding to particle size 0.05-0.1 mm to obtain mixed slurry of bactericide and glaze, coating or spraying onto surface of tableware biscuit embryo and firing to obtain final product. It's cheap and efficient, has better mechanical strength and thermal stability and no harm for human body.
Description
Technical field
The present invention relates to the preparation technology of antibiotic stoneware tableware.
Technical background
Anti-bacteria ceramic has been classified the category of enviroment protective ceramic as, and it is a class ceramic product that rises the end of the eighties, and the bacterial reproduction that its glaze can suppress to adhere to kills each bacterioid, avoids the cross infection of bacterium effectively.Most widely used antimicrobial technology has two kinds at present: a kind of for having the insoluble metal compound of anti-microbial effect, as inorganic salts such as silver, copper, zinc, they react by the sulfydryl with cell protein, make it to lose the fissiparity ability.This type of antiseptic-germicide effect is lasting, wide spectrum, heat-resisting, safety, is difficult for developing immunity to drugs, and order of its sterilization ability is: Ag
+Cu
2+Zu
2+, but the price of disinfectant is just in time in contrast, and the highest with the complex silver salts disinfectant; Another kind of technology is that the very strong activated state oxygen of photoactivation oxidation style generation oxidation capacity carries out sterilization, but this method needs ultraviolet lighting.Entered since the nineties, developed country studies active aspect anti-biotic material, and anti-bacteria ceramic and goods put goods on the market one after another, are becoming the focus of research and development.Aspect the anti-bacteria ceramic material, more existing relevant patents of China and achievement report, as:
CN1458128 discloses the pottery that will bake and has immersed in mantoquita, zinc salt, silver salt or the magnesium melt, makes metal ion enter ceramic glaze layer by mutual diffusion or self-diffusion.This method not only production technique is simple, and is easy to operate, and is particularly suitable for the making of high temperature anti-bacteria ceramic.
CN1279222 discloses the anti-microbial activity material component in this antibacterial inorganic ceramics, comprises nanometer silver, nano silicon oxide and nano aluminium oxide colloidal sol.The production technique of this antibacterial inorganic ceramics comprises: (1) takes by weighing the anti-microbial activity material by prescription; (2) stirring, adjust pH, leave standstill; (3) drying; (4) the common ball milling of anti-microbial activity material powder and glaze; (5) anti-microbial activity material and glaze material mixture are imposed on ceramic surface and carry out sintering.This invention has production technique and simply, does not reduce variable color, characteristics that antibacterial ability is strong, is fit to make the material of all kinds of sanitary wares.
CN1331059 disclose anti-bacteria ceramic by body preparation, impose operations such as common glaze or antibacterial glaze (or only executing antibacterial glaze), sintering, check respectively and make, it is characterized in that: the component and the content of (1) base substrate are: SiO
268～71%, Al
2O
316～20%, Fe
2O
30.3～0.7%, CaO 0.4～0.5%, MgO 0.6%, K
2O+Na
2O 3～4%; (2) component concentration of common glaze is: SiO
271～73%, Al
2O
313～15%, Fe
2O
30.2～0.4%, CaO 0.4～0.5%, MgO 3～4%, K
2O+Na
2O 7～9%; (3) antibacterial glaze is the mixture of high-temp inorganic antibacterial agent and common glaze, and its blending ratio is: high-temp inorganic antibacterial agent is 0.2～5: 1 with the ratio of common glaze.The gained material has advantages such as antibacterial effect is good, durable in use.
CN1362386 discloses a kind of nano-TiO
2The preparation method of anti-bacteria ceramic utilizes nano-anatase phase TiO
2Photochemidal activity, with nano-TiO
2Be scattered in the medium equably.Coat ceramic surface then equably, carry out high-temperature calcination, make TiO
2Nanoparticle is distributed on the glaze equably, and does not influence overglaze smooth finish.Utilize TiO
2Under illumination with surface water and airborne O
2Effect discharges atomic oxygen and hydroxyl radical free radical and sterilization.The characteristics of this method are: TiO
2Nonpoisonous and tasteless, harmless, not being consumed can life-time service, and cost is low, and technology is simple, is easy to suitability for industrialized production.
Anti-bacteria ceramic food and drink tool is the articles for daily use that effectively prevent " illness finds its way in by the mouth ", it is reported domestic existing few products listing, as: Shandong China light ceramic company limited released anti-bacteria ceramic color glaze tableware, coffee cup and " green home " sclerotin porcelain in 2003 first, and had released the series product of the suitable practice of each person having an individual portion of food; The beautiful Feng Ciqichang in Jiangxi adopts ceramic antiseptic-germicide rare-earth activated and that the high-tech nanotechnology is produced, is used for sclerotin enamel material; The antibiotic porcelain products of Yimen, Yunnan porcelain factory have been produced 21 supporting tablewares, 4.5 cun arhat meal bowls, 4.8 cun thin saturating bowl kinds or the like.But see that on the whole these work still are in preliminary development, its anti-microbial property and state of the art have much room for improvement.Have not yet to see report as for antibiotic stoneware tableware, more do not find the patent of invention of relevant anti-bacteria ceramic food and drink tool or antibiotic stoneware tableware.
Stoneware is a kind of pottery between between pottery and porcelain, does not have report, the especially stoneware of similar antibiotic stoneware of the present invention to have the physical strength height at present, and Heat stability is good is inexpensive, Pb
2+And Cd
2+Deng advantage such as the stripping quantity of harmful element is low, be a kind of ideal tableware and drinkware material.Stoneware tableware is the applicant's a main products, also is the stoneware production base of domestic maximum.The applicant has strengthened dynamics to the research and development of antibiotic stoneware tableware over 3 years, sterilized dose of exploitation, keep aspects such as sterilization functions persistence and harmlessization all to obtain breakthrough, for the exploitation and the industrialization of anti-bacteria ceramic food and drink tool lays a solid foundation.
Summary of the invention
The present invention seeks to: the preparation method who proposes a kind of antibiotic stoneware and antibiotic stoneware, especially complex silver salts disinfectant, compound mantoquita disinfectant, compound zinc salt disinfectant and mixing salt disinfectant are mixed in the marzacotto, be sprayed on the stoneware tableware biscuiting base substrate after adding the water thorough mixing, burn till through high temperature and to make product have firm antibacterial glaze layer, realized a kind of successful methods for preparing antibiotic stoneware tableware.
Technical solution of the present invention is: antibiotic stoneware, in total glaze, add silver salt disinfectant, mantoquita disinfectant, zinc salt disinfectant or above-mentioned two to three kinds of mixing salt disinfectants, the ratio that adds is: add 0.1%～4% compound silver or compound mantoquita disinfectant in the glaze, or add 0.1%～5% compound zinc salt disinfectant, or add the mixing disinfectant of 1%～8% (mass ratio).Constitute complex silver salts disinfectant, compound mantoquita disinfectant and compound zinc salt disinfectant by two to three kinds of salt disinfectants, and be arbitrary proportion.Stoneware is food and drink devices such as cup, dish, dish, spoon especially.
The complex silver salts disinfectant comprises the mixture of silver orthophosphate, Silver Nitrate, hydrochloric acid silver, silver chloride, silver acetate etc. and mantoquita or zinc salt; The main component of compound mantoquita disinfectant be cuprous chloride, cuprous iodide and with the mixture of silver salt or zinc salt; The main component of compound zinc salt disinfectant be zinc phosphate, zinc sulfate etc. and with the mixture of silver salt or mantoquita, especially adopt silver orthophosphate, cuprous iodide and zinc phosphate; So-called complex silver salts, compound mantoquita, compound zinc salt comprise the mixture of the salt of single, two kinds or the three kinds arbitrary proportions that refer to above-mentioned silver salt, mantoquita, zinc salt.
The preparation method of antibiotic stoneware tableware may further comprise the steps:
A) preparation silver salt disinfectant, mantoquita disinfectant, zinc salt disinfectant or above-mentioned two to three kinds of compound and mixing salt disinfectants.
B) the biscuiting base substrate of stoneware tablewares such as preparation cup, dish, bowl, spoon.
Disinfectant adds in the marzacotto by a certain percentage, described salt disinfectant adds in the glaze in following ratio, in glaze, add 0.1%～4% compound silver or compound mantoquita disinfectant, or add 0.1%～5% compound zinc salt disinfectant, or add the mixing disinfectant of 1%～8% (mass ratio), the water that adds up glaze quality 40～60% then carries out ball milling, reaches 0.05～0.1mm to granularity; Obtain the mixed serum of antiseptic-germicide and glaze; Surface with behind the water mixing slurries being sprayed at stoneware tableware biscuiting base substrate makes finished product after the high-temperature roasting.
Slurries are applied or are sprayed at the surface of stoneware tableware biscuiting base substrate, make finished product after the high-temperature roasting.Especially adopt spraying method that the mixed serum of glaze is imposed on the surface of stoneware tableware biscuiting base substrate, control glaze layer thickness is 0.5～1.5mm; Roasting 15～20hr in 1150～1400 ℃ kiln then, behind the furnace cooling promptly.
Main raw material and prescription to stoneware tableware biscuiting base substrates such as cup, dish, bowl, spoons are: comprise planetesimal kaolin 2825-30%, Jiujiang kaolin 2725-30%, small stream mouth soil 1512-18%, bright small stream soil 1512-18% etc.; Prescription chemical constitution: SiO
267.7 ± 2%, Al
2O
327.2 ± 2%, K
2O 2.5 ± 0.5%, Fe
2O
31.4 ± 0.2%, surplus is sodium, calcium, magnesium oxide.As Na
2O 0.4%, and CaO 0.40%, and MgO 0.4%.
The manufacture craft of biscuiting base substrate: formula material-Jia water for ball milling-press filtration extracts-thick white silk-old-2 vacuum are concise-and moulding-oven dry-Xiu washes-dries-biscuiting (900～1200 ℃)-check-stand-by.The surface of biscuiting base substrate should be bright and clean, and have certain mechanical strength, and water-intake rate is 25～35%.
Mainly consisting of of marzacotto: feldspar 45 ± 3%, quartz 18 ± 2%, calcite 15 ± 2%, Suzhou soil 8 ± 1% etc., the prescription chemical constitution comprises as follows: SiO
261.4 ± 2%, Al
2O
312.1 ± 1%, CaO11.8 ± 1%, ZnO 6.8 ± 1%, K
2O 4.9 ± 0.5%, and MgO 1.5 ± 0.2%, Na
2O 1.3 ± 0.2%, Fe
2O
30.2 ± 0.05%.
The preparation technology of this serial antibiotic stoneware tableware and as follows to the test item of product:
1, preparation complex silver salts disinfectant, compound mantoquita disinfectant, compound zinc salt disinfectant and mixing salt disinfectant.
2, the biscuiting base substrate of stoneware tablewares such as preparation cup, dish, bowl, spoon.
3, disinfectant adds in the marzacotto by a certain percentage, and blended marzacotto slurries are sprayed at the surface of stoneware tableware biscuiting base substrate, high-temperature roasting and make finished product.
4, the food and drink tool of preparation is made kill bacteria and coil determination, analyze Ag in the food and drink tool
+, Cu
2+, Zu
2+With poisonous elements Pb
2+, Cd
2+Stripping quantity in water, the thermostability of mensuration food and drink tool.With the ceramic phase ratio, the effect of the sterilization of stoneware and effect persistence better (all improving more than 10%).
Characteristics of the present invention are: the present invention is based on Ag
+, Cu
2+, Zu
2+Ion can make enzyme loss of activity in the thalline and sterilization, and the ion after the sterilization can dissociate out again again and sterilize repeatedly; Simultaneously, the composite sterilization agent solubleness of the present invention's development is all very low, therefore antibiotic longer duration.It is antibiotic that the present invention selects for use the stoneware tableware of physical strength height, Heat stability is good to implement, and is because it more can be fit to machine washing and microwave heating, adds poisonous elements Pb
2+, Cd
2+Solubility rate low and safe and reliable, thereby application prospect is good.
Among the above-mentioned preparation technology, key is preparation complex silver salts disinfectant, compound mantoquita disinfectant, compound zinc salt disinfectant and mixing salt disinfectant.The main component of complex silver salts disinfectant is homemade silver orthophosphate, and it is by AgNO
3And Na
3PO
4Reaction makes (to be noted: the preparation of silver orthophosphate, preserve and the operation that relates to the complex silver salts disinfectant must be carried out under the lucifuge condition! ); The main component of compound mantoquita disinfectant is a cuprous iodide; The main component of compound zinc salt disinfectant is homemade zinc phosphate, and it is by Zu (NO
3)
2And Na
3PO
4Reaction makes; The main sterilising components of mixing salt disinfectant is silver orthophosphate, cuprous iodide and zinc phosphate etc.Silver orthophosphate, cuprous iodide and zinc phosphate be dissolving hardly in water, when these disinfectants with after all formed oxide compound, i.e. Ag after the high-temperature roasting
2O, CuO and ZuO, their solubleness is all very low, can form the extremely low Ag of concentration in water
+, Cu
2+, Zu
2+And kill bacteria.
Among the above-mentioned preparation method, need the biscuiting base substrate of stoneware tablewares such as preparation cup, dish, dish, spoon.The main raw material of base substrate and prescription are: planetesimal kaolin 28%, Jiujiang kaolin 27%, small stream mouth soil 15%, bright small stream soil 15% etc.; Prescription chemical constitution: SiO
267.7%, Al
2O
327.2%, K
2O 2.5%, Fe
2O
31.4%, Na
2O0.4%, CaO 0.4%, and MgO 0.4%.The composition of raw materials of base substrate determines that the water of back adding 20～30% carries out ball milling, then press filtration is extracted, raw material after will pressing dry again carries out slightly practicing, after old 5～10 days, under vacuum condition, carry out 2 times concise, adopt rolling process, slip casting method or pressing the purified raw material to be made the green compact body of food and drink tool then, clean 70～100 ℃ of preliminary down oven dry back places under repair, make its any surface finish, then again 70～100 ℃ of oven dry down, green compact body with oven dry obtains the biscuiting base substrate at 900～1200 ℃ of following roasting 10～15hr at last, and product is stand-by after checking.Good biscuit surface should be bright and clean to fire check, and have certain mechanical strength, and water-intake rate is 25～35%.
Among the above-mentioned preparation method about the main raw material prescription of glaze layer with consist of: feldspar 45%, quartz: 18%, calcite 15%, Suzhou soil 8%, zinc oxide 6%, talcum 6% etc.Prescription chemical constitution: SiO
261.4%, Al
2O
312.1%, CaO 11.8%, and ZnO 6.8%, K
2O 4.9%, and MgO 1.5%, Na
2O 1.3%, Fe
2O
30.2% etc.
Glaze especially adopts marzacotto, as follows among the above-mentioned preparation method: as in the normal transparent glaze for preparing, to add 0.1%～4% compound silver or compound mantoquita disinfectant about the technology of in marzacotto, mixing antiseptic-germicide, or add 0.1%～5% compound zinc salt disinfectant, or add 1%～8% mixing disinfectant, add water 40～60% then and carry out ball milling, when granularity reaches 0.05～0.1mm, emit.After the proportion that blended marzacotto slurries separate, regulate slurries through iron removal by magnetic separation, by 180 order sub-sieves is 1.45g/ml, finally obtain the mixed serum of antiseptic-germicide and glaze, stand-by.
Adopt spraying method that the mixed serum of glaze is imposed on the surface of stoneware tableware biscuiting base substrate among the above-mentioned preparation method, control glaze layer thickness is 0.5～1.5mm.Roasting 15～20hr in 1150～1400 ℃ kiln promptly obtains product behind the furnace cooling then, and is stand-by through after the assay was approved.
The present invention has prepared antibiotic stoneware food and drink devices such as 50 cups, dish, dish, spoon altogether, and has measured their physics, chemical property according to the relative national standards method, has also measured their kill bacteria and colibacillary ability.
Description of drawings
Fig. 1 is stoneware tableware pictures such as antibiotic bowl, dish, dish, spoon
Fig. 2 is stoneware kitchenware pictures such as Anti-bacteria cup, kettle
Embodiment
The present invention is the preparation antibiotic stoneware tableware, and its implementation of processes mode is as follows:
The preparation of step 1, efficient composite sterilization agent
The main sterilising components of complex silver salts disinfectant is homemade silver orthophosphate, and it is by AgNO
3And Na
3PO
4For raw material makes under the lucifuge condition; The main component of compound mantoquita disinfectant is a cuprous iodide; The main component of compound zinc salt disinfectant is homemade zinc phosphate, and it is by Zu (NO
3)
2And Na
3PO
4Reaction makes; The main component of mixing salt disinfectant is the mixture of silver orthophosphate, cuprous iodide and zinc phosphate.
The preparation of step 2, stoneware tableware biscuiting base substrate
The main raw material and the prescription of biscuiting base substrates such as stoneware tableware cup, dish, bowl, spoon are: planetesimal kaolin 28%, Jiujiang kaolin 27%, small stream mouth soil 15%, bright small stream soil 15% etc.; Prescription chemical constitution: SiO
267.7%, Al
2O
327.2%, K
2O 2.5%, Fe
2O
31.4%, Na
2O 0.4%, and CaO 0.4%, and MgO 0.4%.The composition of raw materials of base substrate determines that the back adds 20～30% water for ball milling, then press filtration is extracted, raw material after will pressing dry again carries out slightly practicing, after old 5～10 days, under vacuum condition, carry out 2 times concise, adopt rolling process, slip casting method or pressing the purified raw material to be made the green compact body of food and drink tool then, clean 70～100 ℃ of preliminary down oven dry back places under repair, make its any surface finish, then again 70～100 ℃ of oven dry, green compact body with oven dry obtains the biscuiting base substrate at 900～1200 ℃ of roasting 10～15hr at last, and product is stand-by after checking.It is bright and clean to fire the good biscuit surface of check, has certain mechanical strength, and water-intake rate is 25～35%.
The preparation of step 3, disinfectant and glaze mixture
Be sprayed at the main prescription of stoneware biscuit surface marzacotto and consist of: feldspar 45%, quartzy 18%, calcite 15%, Suzhou soil 8%, zinc oxide 6%, talcum 6% etc.Its chemical constitution is: SiO
261.4%, Al
2O
312.1%, CaO 11.8%, and ZnO 6.8%, K
2O 4.9%, and MgO 1.5%, Na
2O 1.3%, Fe
2O
30.2% etc.Antiseptic-germicide is mixed method in the marzacotto: in the normal transparent glaze, add 0.1%～4% complex silver salts or compound mantoquita disinfectant, or add 1%～8% compound zinc salt disinfectant, or add 0.1%～5% and mix disinfectant, carry out ball milling after adding water 40～60%, when granularity reaches 0.05～0.1mm, emit.The glaze slurries separate by 180 order sub-sieves through the magnetic separator deironing, and the proportion of regulating slurries is 1.45g/ml, finally obtains the mixture of antiseptic-germicide and glaze, and is stand-by.
Step 4, disinfectant and glaze mixture spray and roasting on base substrate
Adopt spraying method that blended marzacotto slurries are imposed on stoneware tableware biscuit surface, control glaze layer thickness is 0.5～1.5mm.Roasting 15～20hr in 1150～1400 ℃ kiln promptly obtains product behind the furnace cooling then, and is stand-by through after the assay was approved.
Step 5, antibiotic stoneware tableware physicochemical property detect
Performance to antibiotic stoneware tableware detects, and main physical and chemical index is as follows:
1. according to standard GB/T3298-91 " domestic ceramics device thermal stability determination method ", record antibiotic stoneware tableware and do not ftracture standing to change between 250 ℃～20 ℃ for 3 times, meet national standard.
2. according to standard GB/T3534-2002 " domestic ceramics device aluminium, cadmium stripping measuring method ", record Pb in the antibiotic stoneware tableware
2+Stripping quantity less than 0.1ppm, Cd
2+Stripping quantity less than 0.01ppm, all be lower than national standard.
3. with the method for accurately measuring, the thickness that records antibacterial glaze layer on the antibiotic stoneware tableware is 0.5～1.5mm.
4. measure Ag in the silver salt antimicrobial stoneware tableware top layer through xrf analysis
2The content of O is 340ppm, and the content of CuO is 461ppm in the mantoquita antibiotic stoneware tableware top layer, and the content of ZnO is 5.8% in the zinc salt antibiotic stoneware tableware top layer, mixes Ag in the antibiotic stoneware tableware top layer
2The content of O, CuO, ZnO is respectively 99ppm, 461ppm and 5.4%.
5. antibiotic stoneware tableware is immersed in 24hr in 25 ℃ the 1000ml distilled water, records Ag with atomic absorption method
+Stripping quantity be 0.1ppm, Cu
2+Stripping quantity be 1ppm, Zn
2+Stripping quantity be 1ppm, all below the safe concentration of human body.
The sterile test of step 6, antibiotic stoneware tableware
Antibiotic stoneware tableware kill bacteria and colibacillary effect are tested.Sterile test has adopted dual mode, and a kind of is to place a certain amount of sewage in the food and drink tool, and timing sampling is measured bacterium, is referred to as " immersion " sterile test; Another kind is to allow food and drink tool inwall keep the sewage rete, regularly measures bacterium with moistening aseptic cotton scouring wall, is referred to as " film contact " sterile test.Bacteria-measuring carries out according to the flat band method among the standard GB 5750-85 in the sample solution, and coil determination carries out according to the multitube fermentation method among the standard GB 5750-85 in the sample solution.
24hr soaks sterile test and shows, when total plate count in the water sample is that 2900/ml, intestinal bacteria are when being 790 floras/100ml milliliter, its antibiotic stoneware tableware that contains complex silver salts disinfectant, compound mantoquita disinfectant, compound zinc salt disinfectant and mix disinfectant is respectively 90.0%, 88.1%, 58.9% and 70.5% to the sterilization rate of bacterium, colibacillary sterilization rate is respectively 92.4%, 89.5%, 65.1% and 74.0%, shows that the effect of sterilization is: Ag
+Cu
2+Zu
2+Film contact sterile test on average exceeds 5%～6% to bacterium and colibacillary sterilization rate than soaking sterile test.
Adopt the mixture of salt of two kinds or three kinds arbitrary proportions of above-mentioned silver salt, mantoquita or zinc salt not have remarkable difference, certainly, the antibacterial effect effect of silver salt is best.
Claims (6)
1, the preparation method of antibiotic stoneware is characterized in that it may further comprise the steps: add complex silver salts, compound mantoquita or compound zinc salt disinfectant in glaze, the water that adds up glaze quality 40-60% then carries out ball milling, reaches 0.05～0.1mm to granularity; Obtain the mixed serum of antiseptic-germicide and glaze; Slurries are applied or are sprayed at the surface of stoneware tableware biscuiting base substrate, make finished product after the high-temperature roasting, the main component of complex silver salts disinfectant is a silver orthophosphate, and add-on is 0.1%～4% of a glaze weight; The main component of described compound mantoquita disinfectant is a cuprous iodide, and add-on is 0.1%～4% of a glaze weight; The main component of described compound zinc salt disinfectant is a zinc orthophosphate, and add-on is 1%～8% of a glaze weight.
2, the preparation method of antibiotic stoneware according to claim 1 is characterized in that: adopt spraying method that the mixed serum of glaze is imposed on the surface of stoneware tableware biscuiting base substrate on the biscuiting base substrate of stoneware, control glaze layer thickness is 0.5～1.5mm; Roasting 15～20hr in 1150～1400 ℃ kiln then, behind the furnace cooling promptly.
3, the preparation method of antibiotic stoneware according to claim 1, it is characterized in that: the prescription for cup, dish, bowl, spoon stoneware tableware biscuiting base substrate comprises: planetesimal kaolin 25-30%, Jiujiang kaolin 25-30%, small stream mouth soil 12-18%, bright small stream soil 12-18%; Prescription chemical constitution: SiO
267.7 ± 2%, Al
2O
327.2 ± 2%, K
2O 2.5 ± 0.5%, Fe
2O
31.4 ± 0.2%, surplus is sodium, calcium, magnesium oxide.
4, the preparation method of antibiotic stoneware according to claim 1 is characterized in that: the manufacture craft of stoneware biscuiting base substrate is: formula material → add water for ball milling → press filtration to extract → thick white silk → old → 2 time vacuum is concise → moulding → and dry → repair and wash → dry → 900～1200 ℃ of biscuiting → checks → stand-by.
5, the preparation method of antibiotic stoneware according to claim 1 is characterized in that described glaze is a marzacotto, and the prescription of marzacotto comprises: feldspar 45 ± 3%, quartz 18 ± 2%, calcite 15 ± 2%, Suzhou soil 8 ± 1%; Prescription chemical constitution: SiO
261.4 ± 2%, Al
2O
312.1 ± 1%, CaO 11.8 ± 1%, ZnO 6.8 ± 1%, K
2O 4.9 ± 0.5%, and MgO 1.5 ± 0.2%, Na
2O 1.3 ± 0.2%, Fe
2O
30.2 ± 0.05%.
6, the preparation method of antibiotic stoneware according to claim 1, it is characterized in that: the marzacotto that will mix disinfectant adds and carries out the proportion 1.45g/ml that ball milling, deironing, sub-sieve separate, regulate slurries behind 40～60% water, makes slurries with glazing on the vacuum spraying normal direction stoneware tableware biscuiting base substrate.
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| CN110128111A (en) * | 2019-06-03 | 2019-08-16 | 福建省德化县臻晖陶瓷有限公司 | A kind of antibacterial ceramic products and preparation method thereof |
| CN110342959B (en) * | 2019-08-09 | 2022-01-11 | 东莞市唯美陶瓷工业园有限公司 | Photochromic ceramic glaze, photochromic ceramic tile and preparation method thereof |
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| 抗菌陶瓷釉的研制. 马铁成等.吉林建材，第1997年第1期. 1997 |
| 抗菌陶瓷釉的研制. 马铁成等.吉林建材，第1997年第1期. 1997 * |
| 日用炻器坯釉配方及其烧制工艺. 黄炳炎.陶瓷工程，第1994年第3期. 1994 |
| 日用炻器坯釉配方及其烧制工艺. 黄炳炎.陶瓷工程，第1994年第3期. 1994 * |
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