48 results about "Sodium silicofluoride" patented technology

Disclosed are a positive temperature coefficient material, a preparation method thereof, a positive temperature coefficient thermistor including the positive temperature coefficient material and a preparation method thereof. The material is a product formed by a mixture through melting; the mixture comprises resin, conductive filling, non-conductive filling, promoter and cross-linking agent, wherein, the mixture also comprises additives; and the additives are selected from silicon dichloride, sodium fluoride and carbon tetrachloride. The positive temperature coefficient material is provided with good stability and the output power of the positive temperature coefficient material is slowly attenuated along with the increase of the switching movement times, so that the thermistor prepared with the positive temperature coefficient material is provided with good room temperature resistance stability and PTC intensity stability after the thermistor is frequently used.

The invention provides an antibacterial and mildewproof latex foam material and a preparation method thereof. The foaming material comprises, by weight, 100 parts of latex (based on dry weight), 0.58 parts of potassium hydroxide, 2-5 parts of potassium vegetable oleate, 1-2 parts of potassium ricinate, 4-6 parts of sulfur, 1-2 parts of an antiager, 1-2 parts of sodium silicofluoride, 1-1.5 parts of bentonite, 4-6 parts of a vulcanization accelerator nanometer zinc oxide, and 0.5-1 part of an inorganic silver-carrying zinc-carrying antibacterial agent. The preparation method comprises removing ammonia, stirring ingredients, aging the mixture, and carrying out foaming, material filling, setting, vulcanization, cleaning and drying setting. The antimicrobial efficiency of the antibacterial and mildewproof latex foam material is 99% or more. The anti-mildew performance of the antibacterial and mildewproof latex foam material reaches the level 0-1. The elasticity, rebound resilience, strength and hardness of the foam material are excellent.

The invention discloses a method for manufacturing articles for daily use and relates to the technical field of articles for daily use. The method comprises the following steps: by employing the daily article formula key technology, taking natural emulsion, potassium oleate, 341 latex and sulfur as basic raw materials, mixing and blowing air to make the pH value be 8-9, manufacturing a mixture, adding sodium silicofluoride and zinc oxide into a foaming chamber, pressing air, stirring and mixing to manufacture a foamed material to be injected into a daily article mold to manufacture a mold block, baking and manufacturing a daily article block, performing mold stripping, washing, extruding, centrifuging, drying and dehumidifying, manufacturing a daily article semi-finished product and packaging in a cover for performing external packing, and manufacturing the daily article finished product. The method is used for manufacturing pillows, mattresses, sofa cushions, chair cushions, backrests, automobile cushions, automobile neck-pillows and the like. The product is simple in process, high in quality and low in cost and contributes to popularization.

A rubber latex elastic foam body produced using as the raw material therefor rubber latex and sodium silicofluoride, having an average radius for the cellular foam configuring the foam body of 10-200 μm, a bulk density of 0.10-0.20 g/cm³, and stress at 50% compression of 0.1-1 N/cm². This rubber latex elastic foam body has a rich texture, good adhesiveness to a skin, excellent powder adhesion, and excellent even powder application.

The invention relates to an LED lamp cooling fin convenient for cooling. The LED lamp cooling fin is prepared by raw materials comprising, by weight, 20-30 parts of silicon carbide, 10-20 parts of aluminium nitride, 8-10 parts of graphite, 6-10 parts of paraffin wax, 6-10 parts of glass fibers, 6-8 parts of polycarbonate, 4-6 parts of polyglycolic acid, 2-4 parts of sodium silicofluoride, 2-5 parts of chlorine vinegar resin, 1-3 parts of modifiers, 2-4 parts of ferrous chloride, 1-3 parts of alums and 1-3 parts of silicon nitride powder. Heat-conducting property, flame retardant property and mechanical property are greatly improved by adding the raw materials of the modified silicon carbide, the glass fibers, the polycarbonate, the alums, the silicon nitride powder and the like in a composite material; modification is performed through the silicon carbide, dispersion effect of the silicon carbide is improved, and accumulation of the silicon carbide is avoided; an LED lamp is heat resistant, aging resistant and long in service life.

The invention discloses a titanium dioxide doped concrete. The titanium dioxide doped concrete is prepared by using the following raw materials, by weight, 90-120 parts of cement, 80-100 parts of gravel, 30-40 parts of desulfurized gypsum, 10-13 parts of rubber particles, 9-11 parts of epoxy resin, 8-10 parts of isocyanate, 5-8 parts of titanium dioxide, 2-4 parts of sodium silicofluoride, 95-125 parts of waste concrete, 80-100 parts of fly ash, 2-4 parts of sodium nitrate, 40-50 parts of waste clothes, 4-8 parts of an assistant and a proper amount of water. The aggregate of the titanium dioxide doped concrete prepared in the invention contains waste concrete and fly ash, so the consumption of natural sandstones is reduced, the utilization rate of the natural sandstones is improved, and the production cost is reduced; and the addition of titanium dioxide and waste cloth fibers to the raw materials for preparing the titanium dioxide doped concrete increases the toughness and the radiation resistance of the concrete, and makes the prepared concrete have the advantages of unlikely cracking, good workability, high compressive strength, high temperature resistance and the like.

The invention provides a physicochemical treatment method for mixed type chemical fertilizer production wastewater. The method comprises specific steps as follows: ammonium phosphate reaction tail washing wastewater, sodium silicofluoride wastewater, concentrated geosyncline wastewater and tailing backwater are added to a sewage physical-chemical regulation pool, carbide-slag slurry enters a lime slurry pool, acetylene alkali waste, catalyst pumping agent wastewater and alkali evaporation wastewater enters a mixed reaction pool, acid wastewater entering the regulation pool and the carbide-slag slurry entering the lime slurry pool are conveyed to the mixed reaction pool through a pump, and a PAC (polyaluminium chloride) and PAM (polyacrylamide) mixed liquid is added; the mixed liquid is conveyed to a primary flocculation reaction pool through the pump and is stirred to have the neutralization and sedimentation reaction, a formed precipitate mixed liquid is subjected to sedimentation through a sedimentation tank I, a supernatant liquid enters a secondary flocculation reaction pool, the PAC and PAM mixed liquid is added again, pH value is regulated, the mixture has the neutralization and sedimentation reaction, a product enters a sedimentation tank II after reaction, and water treated by the secondary flocculation reaction pool can be used. The wastewater after treatment is recycled to a circulating water system of a factory, the recycling rate is higher than 90%, and the environmental and economic benefits are remarkable.

The invention discloses a production process of a latex silk floss quilt. The production process comprises the following steps: preparing raw materials in parts by weight: 0-100 parts of natural latex, 100-0 part of styrene-butadiene latex, 2-4 parts of an emulsifier, 5-9 parts of a vulcanizing agent, 4-6 parts of zinc oxide, 3-5 parts of a foaming agent, 0.8-1.5 parts of potassium pyrophosphate and 3-5 parts of sodium silicofluoride, wherein at least one of natural latex and styrene-butadiene latex is contained; dosing to form a lax raw material; curing the latex raw material at 26-30 DEG C for 2-6 hours; foaming the cured latex raw material; filling silk cotton materials into a mold; injecting the foamed latex raw material into the mold, and mixing and condensing the latex raw material and the silk cotton materials; vulcanizing the condensed latex raw material; washing the vulcanized latex raw material with water; and drying the latex raw material washed with water. The production process of the latex silk floss quilt provided by the invention can solve the problems of poor softness and air permeability of the latex silk floss quilt.

The invention provides a slag removing agent used for smelting an aluminum alloy. The slag removing agent is characterized in that components of the slag removing agent comprise, by mass, 6-12% of sodium fluoride, 8-16% of calcium fluoride, 6-16% of sodium fluoroaluminate, 16-24% of potassium chloride, 5-10% of potassium nitrate, 12-18% of potassium fluorosilicate, 14-20% of sodium silicofluoride,4-10% of carbon powder, 5-10% of cryolite, and the rest sodium chloride added to 100%. The slag removing agent is adopted and has the beneficial effects that the heating effect is good, slag and aluminum separation is benefitted, the aluminum amount in slag is extremely low, the slag is dry slag, the slag removing effect is excellent, and moreover, the slag removing agent is easy to clear and convenient to use. Compared with the prior art, energy sources are saved, and labor hours are shortened.

The invention discloses a domestic sewage treatment agent. The domestic sewage treatment agent is prepared by the following raw materials, by weight: 55-70 parts of a nano-magnetic ceramic matieral, 6-9 parts of montmorillonite, 0.5-1.5 parts of active alpha-alumina, 8-11 parts of calcium silicon slag, 4-6 parts of polymerized aluminum trichloride, 4-9 parts of basic iron chloride, 2-3 parts of sodium silicofluoride, 15-25 parts of polyacrylamide, 0.5-1 part of magnesium aluminosilicate, 11-14 parts of sponge rock, and 5-10 parts of activated carbon. The invention also discloses a preparationmethod of the domestic sewage treatment agent. Compared with the prior art, the domestic sewage treatment agent of the invention can be fabricated into a general fast filter tank according to treatment water quantity and discharge requiremtns. The sewage treatment agent has high adsorption efficiency for total phosphorus in pollutants, is simple in operation, good in treatment effect and low in operation cost, the used raw materials are cheap and easily available, a part of the raw materials are waste residues, and the process has the advantages of universality, simple operation and high wastewater treatment efficiency and is suitable for large-scale industrial utilization.

The invention discloses a vulcanization accelerator, environment-friendly latex sponge, a preparation method and application. The vulcanization accelerator comprises 100 parts of silicon dioxide; 40-100 parts of strong base; 1-20 parts of cerium salt; and 40-100 parts of carbon disulfide. The preparation method comprises the step of loading xanthate on silicon dioxide. The environment-friendly latex sponge comprises 100 parts of latex, 1-2 parts of an anti-aging agent, 1-3 parts of sodium silicofluoride, 0.5-2 parts of a foaming agent, 4-25 parts of the vulcanization accelerator and the like. The preparation method comprises the following steps: preparing the auxiliary agents into dispersoid, mixing, stirring, injecting into a mold, gelling, vulcanizing, demolding, washing with water and drying. The prepared environment-friendly latex sponge can be used in the fields of furniture, automobiles or sanitation. The vulcanization accelerator provided by the invention is good in thermal stability, does not decompose after being stored for a long time at room temperature, does not release pungent smell, and is environment-friendly. The environment-friendly latex sponge is good in buffering effect and has excellent stretch resistance and rebound resilience.

The invention provides a low-cost foam glass heat insulating material. The low-cost foam glass heat insulating material comprises the following raw materials: industrial waste glass, porcelainized powder, a foaming agent, a cosolvent, graphene oxide, borax, antimonous oxide and a foaming accelerator, wherein the porcelainized powder comprises low-temperature porcelainized powder, medium-temperature porcelainized powder and high-temperature porcelainized powder; the foaming agent is selected from one in carbon black, silicon carbide, calcium carbonate, dolomite dust, flogopite, graphite, manganese dioxide, sodium silicate, trichlorofluoromethane and dichlorodifluoromethane; the cosolvent is selected from one or more in sodium carbonate, sodium silicofluoride, sodium benzoate, sodium salicylate, para aminobenzoic acid and Tween; the foaming agent is selected from one in lithium stearate and zinc stearate. The low-cost foam glass heat insulating material greatly improves the performance of foam glass, reduces the foaming temperature, increases the foaming range, reduces communicating holes, and improves the yield.

The invention discloses an anti-corrosion technique for a normal-pressure reaction kettle for producing polyaluminium chloride, relates to an anti-corrosion technique, in particular to an anti-corrosion technique for a normal-pressure reaction kettle for producing polyaluminium chloride, and aims to provide an anti-corrosion technique for a normal-pressure reaction kettle for producing polyaluminium chloride with high anti-corrosion performance and long service life. The invention adopts a technical proposal that the normal-pressure reaction kettle for producing the polyaluminium chloride by the anti-corrosion technique comprises a kettle body and industrial acid-resistant magnetic plates, wherein the kettle body is made of bauxite, kaolin or calcium aluminate or mixture thereof, an adhesive for adhering the industrial acid-resistant magnetic plates is slurry of acid-resistant cement and calcium chloride or sodium silicofluoride and water, and the calcium chloride or the sodium silicofluoride accounts for 5 to 30 percent of the acid-resistant cement. The anti-corrosion technique is used for the normal-pressure reaction kettle for producing the polyaluminium chloride.