31results about How to "Delicate glaze" patented technology

The invention relates to a ceramic glaze, in particular to a high acid-resistant and alkali-resistant lead-free frit glaze for bone china used for producing high-quality lead-free bone china products. The chemical weight percentage of the high acid and alkali resistant lead-free frit glaze is as follows: SiO 2 58.0-66.0%, Al 2O 3 10.0-15.0%, TiO 2 0.0-1.0%, CaO 0.5-2.0, MgO 0.0-1.0%, K 2O 2.0-6.0%, Na 2O 2.0-6.0%, Li 2O 2.0-6.0%, B 2O 3 15.0-25.0%. The high acid and alkali resistant lead-free frit glaze of the present invention does not contain any lead, cadmium, zinc, barium, bismuth and other heavy metal element components in its raw material composition, and a certain amount of alkali metal oxides, TiO2 and boric acid are added. The composition is simple, scientific and reasonable, and easy to implement; the blank glaze has good adaptability, especially suitable for the characteristics of large temperature differences in domestic kilns; the finished porcelain glaze surface after firing is fine, smooth, smooth, and good gloss; the glaze surface has strong corrosion resistance , not easy to lose gloss, no fouling, easy to clean; good adaptability to decal printing paper, high mechanical strength, good thermal shock stability, after testing, the thermal shock stability reaches 180°C-20°C water heat exchange 5 pieces at a time It is especially suitable for use in tableware dishwashers; the content of lead, cadmium, zinc, barium, bismuth and other heavy metals in the enamel is zero, which completely solves the problem of poor acid and alkali resistance and heavy metals such as lead and cadmium in high-grade bone china .

The invention provides a technique of sanitary ceramic using a composite titanium dioxide opacifier in glaze slurry. The technique adopts the composite titanium dioxide opacifier, phosphate, potash feldspar, quartz, calcite, dolomite, zinc oxide, aluminum oxide, kaoline and a frit as raw materials for preparing opalescent glaze of the ceramic. The sanitary ceramic prepared by the technique has the advantages that: (1) a glaze layer of the prepared sanitary ceramic is tightly combined with a green body; a glaze surface has a good opacifying effect, and is high in whiteness, strong in luster sensation and delicate; (2) the composite titanium dioxide opacifier glaze and the glaze layer of the sanitary ceramic are free from radioactive substances and radioactive radiation and has effects of safety and protection of user health; and (3) the composite titanium dioxide opacifier is lower in cost and price; and phosphate is added into the glaze at the same time to further reduce the use amount of the composite titanium dioxide opacifier, so that the cost of the sanitary ceramic is lowered.

The invention discloses a high-temperature glisten glaze and a preparation method thereof. The glaze comprises, by mass, 1-16% of Al2O3, 50-75% of SiO2, 0.5-5% of CaO, 0-2% of MgO, 2-9% of K2O, 0-2% of Na2O, 2-16% of ZnO, 0-2% of PbO, 3-9% of ZrO2, 3-10% of CeO2 and 0.5-8% of B2O3. The glisten glaze is wide in application range, good in firing performance and high in stability and glisten strength; and the preparation method is reasonable and simple in technology.

The invention discloses a method for preparing underglaze bone china, which comprises the following production steps: preparing a bone china material into a blank; performing high temperature biscuit firing on the blank, wherein the temperature of the biscuit firing is between 1,250 and 1,280 DEG C; performing color painting on a product after the biscuit firing, wherein the pigment used by the color painting is prepared from the following compositions by weight percentage: 65 to 75 percent of colorradical and 25 to 35 percent of glaze; performing high temperature color firing on the product after the color painting, and the temperature of the color firing is between 1,200 and 1,250 DEG C; and glazing the product after the high temperature color firing with the same glaze in the pigment, and performing medium temperature glaze firing to prepare a finished product, wherein the temperature of the glaze firing is between 1,050 and 1,150 DEG C. The underglaze bone china prepared by the method has clear color painting patterns, strong stereovision, and rich, fresh and bright color of the color painting patterns, smooth, neat and delicate glaze and high firing rate.

The invention relates to a firing technology for low-temperature firing of celadon and aims to provide a raw material for low-temperature firing of Longquan celadon and a firing method. According to the invention, as for a blank body and glaze, a raw mineral material and a chemical raw material which are generally used by the Longquan celadon are adopted for matching, and nano calcium carbonate and zinc borosilicate glass powder are also contained; the nano particle high-specific external surface activity and various additives are combined with a cooling down mechanism, so as to allow the Longquan celadon to be fired under 1,150-11,800 DEG C, and the problems that the Longquan celadon is high in sintering temperature and high in energy consumption are solved. The product has the characteristics of high finished product ratio, good porcelain quality, high strength and the like, and has a wide application prospect.

The invention relates to the technical field of ceramics, in particular to iron-like porcelain prepared from waste gray bricks and a preparation method thereof. The raw material of the imitation ironware ceramics prepared from waste gray bricks is prepared from waste gray brick powder, Siban clay, low temperature stone, pyrophyllite, iron oxide, rutile, and lapis lazuli; the glaze is made of feldspar, waste gray brick powder, Quartz, plant ash, iron oxide, zirconium silicate, double fly powder, cobalt oxide, manganese dioxide. This kind of iron-like ceramics has a taupe surface similar to that of wrought iron. The glaze is smooth and delicate, and can reflect colorful spots under different lights. It has a rough and simple artistic effect and can be directly used in production. Use or artistic ceramics; the ceramic material of the present invention can solve the problem of continuous increase in the cost of ceramic production and the homogeneity of ceramic products, and it is easy to popularize in places where ceramics are produced, providing a new way to solve construction waste, which is in line with sustainable development requirements.

The invention relates to bone matte glaze. The bone matte glaze comprises, by weight, 100 parts of frits, 3-8 parts of clay, 2-12 parts of aedelforsite, 3-6 parts of aluminum oxide, 6-15 parts of zinc oxide and 6 parts of stannic oxide. The frits comprise, by weight, 16-24 parts of quartz, 28-38 parts of potash feldspar, 12-18 parts of borax, 0-7 parts of boric acid, 0-5 parts of strontium carbonate, 0-8 parts of lithium carbonate, 0-10 parts of zinc oxide, 0-3 parts of talcum, 0-12 parts of calcite and 0-0.5 part of zirconium silicate. The glaze surface of a product using the glaze is fine, smooth, resistant to pollution, resistant to acid and alkali, easy to wash and suitable for the decoration means such as decal. The invention further provides a method for manufacturing the bone china product by using the bone matte glaze. The method is simple in firing process, stable in production and good in benefit.

The invention discloses a fancy glaze and a preparation method thereof. The weight percentages of each component of the fancy glaze are 18 percent to 38 percent of potassium feldspar, 10 percent to 23 percent of calcite, 4 percent to 7 percent of talc, 3 percent to 7 percent of quartz, 4 percent to 10 percent of zirconium silicate, 2 percent to 5 percent of zinc oxide, 5 percent to 10 percent of alumina, 3 percent to 6 percent of barium carbonate, 6 percent to 10 percent of black mud, 0 percent to 0.3 percent of tripolyphosphate, 6 percent to 20 percent of water, 0 percent to 10 percent of squeegee oil and 0 percent to 10 percent of printing paste. The weight percentage of the glaze material fineness is that the 250 meshes sieve residue is 100 percent. The technical process of the method of manufacturing the fancy glaze is as follows: the raw material enters the factory for testing, proportioning, ball milling, detecting, removing iron, sieving and storing in a storehouse for using. The sintering temperature is 1195 DEG C to 1210 DEG C, and the sintering period is 50min to 65min. The application range of the invention is wide; the glaze surface is smooth; the sintering temperaturerange is wide; the chromatic aberration can not be produced easily; the finished product rate is high; the cost can be reduced by about 40 percent.

The invention discloses a glaze spraying method for water-repellent ceramic wine bottle colored glaze. The ceramic wine bottle colored glaze is characterized in that the glaze material is prepared from the following materials in parts by weight: 10-12 parts of bauxite, 3-4 parts of dolomite, 5-6 parts of zinc sulfate, 2-3 parts of magnesium sulfate, 3-4 parts of cobalt acetate, 9-12 parts of CaO, 2-3 parts of MgO, 3-4 parts of BaO, 2-3 parts of silicon carbide, 1-2 parts of graphite, 3-4 parts of SnO2, 1-2 parts of Sc2O3, 13-14 parts of binder and a proper amount of water. The ceramic wine bottle glaze disclosed by the invention is smooth and fine in glaze, extremely good in hand feeling, has very good hydrophobicity, can prevent water from gathering on the glaze, can keep the glaze dry, and therefore, the ceramic wine bottle colored glaze has very good waterproof and moisture-resistant performances.

The invention discloses a brown non-transparent glaze. The glaze comprises, by weight, 49 parts of frit, 7-9 parts of feldspar, 13-14 parts of quartz, 8-9 parts of kaolin, 3.5-4.5 parts of calcite, 2-3 parts of dolomite, 8-10 parts of calcined talcum, 3-4 parts of calcined tin oxide, 0.5-1 part of a black pigment, and 1-2 parts of a red brown pigment. The glaze has the advantages of strong coloring property, uniform color, fine glaze surface, good hardness, good staining resistance and good acid and alkali resistance. The invention also discloses an environmentally-friendly simple-process method for making a vase by using the glaze.

The invention relates to the technical field of ceramic glazes, in particular to a copper red matt kiln-changing glaze and a preparation method thereof. The copper-red matt kiln glaze is composed of a bottom glaze and a top glaze. The bottom glaze includes refined potassium feldspar, animal bone ash, refined quartz, lime, talc, refined cordierite, silicon carbonate, copper oxide, tin oxide, zinc oxide, Alumina, barium carbonate, and boron; topcoats include refined potassium feldspar, refined quartz, talc, zirconium phosphate, titanium oxide, tin oxide, frit, refined dolomite, zinc oxide, and copper oxide. The preparation method comprises: preparing the bottom glaze slurry; preparing the top glaze slurry; preparing the bottom glaze; and preparing the top glaze. The invention solves the problems of high difficulty in making kiln-transformed glaze and poor kiln-transformed effect in the prior art, and the prepared kiln-transformed glaze has excellent performance, and the thermal stability, water absorption rate and dissolution of lead and cadmium of the product can meet the requirements of daily-use ceramic products. related standards.

The invention relates to a Dehua snow-white ceramic and a preparation method thereof. The Dehua snow-white ceramic comprises a show-white green body and a show-white glaze; the show-white green body is prepared from the following raw materials in parts by weight: Dehua kaolin, Dehua potassium feldspar and Dehua quartz; the show-white glaze is prepared from the following raw materials in parts by weight: Dehua kaolin, Dehua limestone, Dehua potassium feldspar, Dehua quartz, white corundum and clam meal; the prepared Dehua snow-white ceramic has whiteness of 83-85 degrees, water absorption of 0,transmissivity of above 15% (1mm), white and pure appearance and fine glaze; local Dehua raw materials are finely selected as the raw materials for baking the snow-white ceramic; the chemical constituents of the raw materials are strictly controlled; zirconium oxide and zinc oxide are introduced into the raw materials of the green body, so that the baked green body is prevented from yellowing andthe whiteness of the green body is similar to the whiteness of snow.

The invention discloses a surface glaze, which is characterized in that the component weight ratio of the surface glaze is: 90-96% of matte frit, 4-6% of air knife soil, and 0.08-0.2% of sodium carboxymethyl cellulose , 0.30-0.36% of industrial sodium tripolyphosphate, 0.20-0.26% of ceramic debonding agent; and 30-36% of water in the total proportion of the above-mentioned raw materials. The preparation process of the surface glaze is as follows: raw materials entering the factory for inspection—batching—ball milling—testing—iron removal and sieving—staleness—passing through a 250-mesh iron removal vibrating screen for use. The ball milling time is 7-10 hours, the specific gravity of the ball-milling glaze slurry is 1.4-1.9 g / cm 3 , and the fineness is 0.6-1.0 mm; the flow rate of the ball-milling glaze slurry is controlled to be above 55 s. The product of the invention has the advantages of transparency and smoothness, bright color, wide market prospect and the like.

A kind of green-light daily-use porcelain, the raw material of the porcelain blank includes the following components by weight percentage: 18-22% of Hunan feldspar, 9-13% of cooked quartz, 8-12% of purple gold silica, 3-5% of bentonite, kaolin wash Mud 18-24% and weathered potassium feldspar washing mud 33-37%; its enamel raw materials include the following components by weight percentage: waste porcelain powder 21-23%, Hunan feldspar 9-11%, lithium porcelain stone powder 4-6 %, quartz 24-26%, kaolin 9-11%, zinc oxide 4-6%, dolomite 10-12% and calcite 11-13%. The green-light daily-use porcelain of the present invention has fine and smooth glaze surface, crystal clear and transparent texture, white and green color, and presents the appearance of glass color. The present invention adds designs and varieties of daily-use porcelain, solves the problem of monotonous colors, and conforms to consumers' consumption concepts.

The invention discloses a method for preparing an imitation twisted stone enamel decorative plate, which includes pretreating a special steel plate for enamel, spraying the bottom glaze and top glaze, sintering, preparing the twisted stone base color glaze, spraying and sintering, preparing the twisted stone glaze, The product is obtained by spraying and sintering. The base color glaze and the glaze are sprayed sequentially on the enamel steel plate substrate, and the glaze and the substrate are better integrated through sintering. The process is simplified, easy to realize, and convenient for industrial production. The present invention also provides an imitation twisted stone enamel decorative plate, which is prepared by the above method. The imitated twisted stone enamel decorative plate has the characteristics of smooth and beautiful twisted glaze layer, fine glaze surface, wear resistance, corrosion resistance, weather resistance and easy cleaning. , can be applied to subway stations, underground passages, tunnels, exterior walls, etc. as decorative materials.