49 results about "Glass corrosion" patented technology

A dishwasher detergent containing a builder and one or more magnesium and/or zinc salt(s) of at least one monomeric and/or polymeric organic acid, excluding zinc ricinoleate, zinc abietate, and zinc oxalate. A method of inhibiting glass corrosion by treatment with one or more salts of magnesium and/or zinc with organic acids, excluding formic acid, acetic acid, gluconic acid, and oxalic acid.

The invention discloses optical glass detergent. The optical glass detergent consists of inorganic alkali, organic alkali, compound surfactant, polymer builder, a complexing agent and deionized water,wherein the compound surfactant is obtained by mixing and compounding nonionic surfactant and anionic surfactant according to a certain mass ratio, and the polymer builder is at least one of sodium polyacrylate, polyacrylamide, sodium carboxymethyl cellulose and polyethylene glycol. The cleaning agent has the advantages of high decontamination capability, no glass corrosion and slow turbidity rising speed of the cleaning solution by virtue of the cooperative use of different surfactants as well as the reasonable matching of the components and the polymer builder, can quickly and effectively clean various pollutants on the surface of the glass, does not affect the quality of glass to be processed subsequently, does not affect the plugging-unplugging operation of the glass, prolongs the service life of the cleaning solution, improves the production efficiency and reduces the cleaning cost.

The invention discloses iron-nickel-based high-temperature alloy which is resistant to glass corrosion. The alloy comprises components which satisfies the following range requirement in percentage by mass: 0.7% to 1.0% of C, 24% to 30% of Cr, 48% to 55% of Ni, 0.5% to 3.5% of Co, smaller than or equal to 0.5% of Mn, smaller than or equal to 0.5% of Si, 0.5% to 2.5% of Nb, smaller than or equal to 2.5% of Mo, 5% to 10% of W, 0.1% to 1.2% of Ti, 0.1% to 3.5% of Al and the balance Fe. The alloy can be used in an as-cast condition or in a solid solution state; the compressive yield strength of the alloy at 1000 DEG C and 1100 DEG C is respectively higher than 100MPa and 60MPa; the 500-hour deformation degree of the alloy under a 1050DEG C/25MPa compression creep condition is not higher than 1.5%; the 180-hour deformation degree of the alloy under a 1050DEG C/35MPa compression creep condition is not higher than 5.0%.

The invention relates to a vitreous etching bath, which comprises 0.5%-8% microcosmic salt, 0.5%-8% pyrophosphate, 0.01%-0.5% inorganic alkaline, 5%-45% surface activator and 39%-93% water. The preparing method comprises the following steps: adding the microcosmic salt and the pyrophosphate in the water, heating in order to dissolve; adding inorganic alkaline and non-ionic surface activator and mixing. The invention can remove greasy dirt, fingerprint, particles and sio2 for buffed glass base plate, which can removes the impurity and Ceo2 on the glass, achieves the request of the environmental protection.

The invention discloses lead-free glass powder, lead-free glass powder slurry, a large-area dye-sensitized solar cell as well as a preparation method and application thereof. The lead-free glass powder comprises the following components: 10-20% of SiO2, 5-15% of B2O3, 40-70% of Bi2O3, 1-10% of ZnO, 1-10% of Al2O3, 0.5-5% of Na2O, 1-5% of BaO and 2-7% of CaO. The lead-free glass powder slurry comprises the following components: 70-80% of the lead-free glass powder, 15-25% of an organic carrier and 1-5% of additives. According to the formed dense glass corrosion-resistant protective layer, the corrosion resistance of a conductive silver grid can be improved; and moreover, due to the glass powder around the FTO conductive glass, a photo-anode and a counter electrode are sealed, and by virtue of a whole face printing manner, the quantity of holes is reduced, the packaging technology is simplified, leakage of electrolyte can be slowed down, and the service life of the cell is prolonged.

The invention discloses a glass detergent and a preparation method thereof. The glass detergent comprises the following components in parts by weight: 50-64 parts of deionized water, 3-6 parts of a surfactant, 5-10 parts of ethylene glycol, 3-6 parts of diethylene glycol ethylene glycol butyl ether, 8-12 parts of sodium carbonate, 13-18 parts of anhydrous sodium silicate, 3-7 parts of sodium carboxymethyl cellulose, 10-15 parts of polyether modified silicon oil, 0.8-1.2 parts of modified nano calcium carbonate, 10-15 parts of a decontaminant, 5-10 parts of a chelating agent, 1-3 parts of a defoaming agent, 3-5 parts of a dispersant, 1-3 parts of an essence and 3-6 parts of a preservative. The glass detergent disclosed by the invention has the advantages that oil stain and dust are effectively removed, glass corrosion is avoided, and the yield of products is increased.

The invention relates to a corrosion-preventing processing method for a pipe end of an inner lining glass corrosion-preventing steel pipe. The corrosion-preventing processing method comprises a first step of performing overlaying welding of a nickel base corrosion-resistant alloy layer in advance from the end face of the steel pipe to an inner hole with a depth of 30-50mm, and enabling the thickness of the nickel base corrosion-resistant alloy layer to be 1.5-2mm; and a second step of cleaning the surface of the nickel base overlaying welding layer surface, depositing a glass inner corrosion-preventing layer after an inner wall of the steel pipe undergoes derusting and blowing, enabling the glass inner corrosion-preventing layer to be covered on the nickel base overlaying welding layer, and reserving a welding heat affected zone of 15-25mm. Compared with the prior art, the continuous nickel base corrosion-resistant alloy protecting layer is formed on the surface of the pipe inner hole of a weld seam, the problem of corrosion of the inner surface of the weld seam is solved, continuation of the inner corrosion-preventing layer is achieved, and generation of repaired openings is avoided.

The invention provides a preparation method for compact zirconite overflow brick with high breaking-resistance and low expansion. The method comprises the following steps: (1) adopting zircon sand having a ZrSiO4 content more than or equal to 98.5% as a starting raw material; (2) carrying out acid cleaning for the zircon sand: a hydrochloric acid solution is adopted for immersing the zircon sand, followed by washing through water, and atmospheric drying; (3) calcinating the acid cleaned zircon sand; (4) grinding the calcinated zircon sand in a stirring mill according to the following ratio, by weight, 99.0-99.4% of the zircon sand (having a ZrSiO4 content more than or equal to 99.7%), 0.4-0.8% of TiO2, 0.1-0.2% of phosphoric acid; (5) drying the slurry by baking: a screw dehydrator is adopted for drying; (6) crushing the powder, and carrying out screening through a vibrating screen having 30 meshes; (7) carrying out isostatic pressing; (8) carrying out sintering. According to the present invention, due to establishments of a specific forming institution and a specific sintering institution, thermal shock resistance of the products is improved; the overflow brick having characteristics of larger size, no visible blowholes, no melted holes and no slag corrosion is produced successfully; high-temperature breaking-resistance of the overflow brick is raised; refiring cubical expansivity of the overflow brick is reduced; glass corrosion resistance of the overflow brick is improved so as to prolong service life of the overflow brick.

The invention provides a multi-element stable zirconium oxide corrosion-resistant thermal barrier coating material which is prepared by performing mixed ball milling on a main component and stabilizer, wherein the main component is ZrO2; the stabilizer is a mixture of Nb2O5, TiO2 and rare metal oxide; the mol ratio of the Nb2O5 to the TiO2 to the rare metal oxide to the ZrO2 in the multi-element stable zirconium oxide corrosion-resistant thermal barrier coating material is x:1.5x:x:(100-3.5x), and 3<=x<=7; and the rare metal oxide is Lu2O3 or In2O3. The multi-element stable zirconium oxide corrosion-resistant thermal barrier coating material provided by the invention has excellent Na2SO4-V2O5 molten salt corrosion resistance and excellent calcium/magnesium/aluminum silicate molten glass corrosion resistance.

The invention discloses a method for characterizing surface micro-corrosion characteristics of low carbon steel coated with an enamel layer by using a wire beam electrode. The wire beam electrode is used to characterize the surface micro-corrosion condition of low carbon steel coated with the enamel layer and the inhibition effect of the coating itself on a corrosion solution. The method adopts amulti-electrode coupling system, all the wires are short-circuited together, the electrochemical behavior is regarded as an integral electrode, and an open circuit potential is called the integral potential which is the coupling potential of all the single electrodes. On this basis, the corrosion of materials at different times is characterized. The surface potential and current scanning of the wire beam electrode can better characterize the occurrence and development of local corrosion of carbon steel in the corrosion solution in time and space; at the same time, local corrosion factors can quantitatively characterize the uneven characteristics of WBE surface corrosion and the ability of corrosion inhibitors to repair the local corrosion, and the wire beam electrode can be used to effectively characterize the corrosion of the material micro-region and the protection effect of the coating on a substrate and the inhibition of corrosive ions.

The present invention provides a supporting brick for a glass kiln, wherein the raw materials comprise, by mass, 50-60% of tabular corundum, 10-20% of alpha-Al2O3 micro-powder, 5-6% of zirconite, 10-15% of mullite, 2-5% of aluminium dihydrogen phosphate, 1-4% of clay, and 2-3% of zirconium dioxide. The supporting brick preparation method comprises: mixing tabular corundum, mullite, zirconite and aluminium dihydrogen phosphate, adding other raw materials and water, carrying out high speed mixing to obtain a mixed material, reducing the pressure in a vacuum box to achieve 140-120 Pa, pressing to obtain a high-density semi-finished product, drying and sintering the semi-finished product, and discharging out from the kiln. According to the present invention, high temperature rapid transformation resistance and chemical component corrosion and wear resistance in a glass liquid are substantially increased, the use age is significantly prolonged, the bubble exhaust time of the glass product is reduced, and the glass corrosion resistance time is prolonged.

Multi-armed silyl polyalkoxylates of the formula (I), (H-A)_n-Z-[A-B—Si(OR¹)_r(R²)_3−r]_m (I), where Z is an (m+n)-valent radical having at least three carbon atoms, A is a divalent polyoxyalkylene radical, B is a chemical bond or a divalent organic radical having 1 to 50 carbon atoms, OR¹ is a hydrolysable group, R¹ and R² independently of one another are a linear or branched alkyl group having 1 to 6 carbon atoms and r is an integer from 1 to 3, and m is an integer ≈1 and n is 0 or an integer ≈1, and m+n has a value from 3 to 100, for reducing glass corrosion and/or for improving the drying performance during mechanical cleaning of a glass surface. Also compositions, in particular for the cleaning of glass surfaces, which compositions contain compounds of the formula (I).

Cleaning agents, preferably dishwashing detergents, in particular the automatic dishwashing detergent, having at least one low-water, preferably substantially anhydrous gel-like phase which contains at least one water-soluble zinc salt, preferably zinc sulfate and/or zinc acetate, particularly preferably zinc acetate.

The invention discloses a method of preventing hydrogen fluoride corrosion in aluminum electrolysis industry and belongs to the field of glass corrosion prevention. The method includes the sequentialsteps of alkali washing of glass, cleaning, surface activation, coating, and drying. The method allows a coating and glass to be combined better; mechanical properties of the glass coating can be improved; whole mechanical and chemical properties and light transmittance of glass are not lowered. In addition, the method helps effectively prevent hydrogen fluoride corrosion and improve tolerance ofglass to acids and bases, attraction of dust to glass surface is greatly reduced, and light transmittance of the glass is greatly improved. The method allows coating precision to be improved on the whole, adaptability of machine batch treatment is improved, and it is guaranteed that anticorrosion performance of glass meets the standard at the premise of improved efficiency; as the whole coating step is applicable to automation on equipment, the method has better control convenience than the prior art.

The invention belongs to the field of technical production of cleaning agents, and discloses a cleaning agent for removing residual film glue from car glass. The cleaning agent comprises the following components in parts by weight: 200-300 parts of isopropanol, 0.5-2 parts of sodium dodecyl sulfate, 5-15 parts of ethylene glycol n-butyl ether, 1-10 parts of acetic acid, 30-50 parts of hydrochloric acid and 600-700 parts of deionized water. The preparation method of the cleaning agent comprises the following steps: sequentially adding isopropanol, acetic acid, hydrochloric acid and the deionized water in parts by weight into a stirrer, mixing for 10-20min by stirring, then proportionally adding sodium dodecyl sulfate and ethylene glycol n-butyl ether, further mixing for 15-30min by stirring, and performing standing to obtain the cleaning agent for removing the residual film glue from car glass. The cleaning agent adopts a neutral organic solvent formula, can quickly clean the residual film glue on the car glass, can quicken the glue removing speed, and is small in car glass corrosion, low in using cost and mild in reaction conditions.