37 results about "Fluoride Sodium" patented technology

The present invention relates to nanometer porous WO3 material, and is especially nanometer porous WO3 material formed through molecule self-assembling and with homogeneous structure, pore diameter of 60-150 nm, regular arrangement and (002) face oriented monoclinic system structure. The nanometer porous WO3 material is prepared through a constant current anode oxidation process with metal W substrate and electrolyte solution, which consists of inorganic fluoride sodium fluoride, potassium fluoride or ammonium fluoride and inorganic strong acid hydrofluoric acid, hydrochloric acid or sulfuric acid and has F- ion concentration of 0.05-0.3 mol/L and H+ ion concentration of 0.05-0.5 mol/L. The nanometer porous WO3 material has high photocatalytic capacity and is one kind of high efficiency photocatalyst.

The invention relates to a fluorine gas purifying filler and a preparation method and application thereof, the filler is a fluoride salt filler, and the fluoride salt is a mixture of one or more of sodium fluoride, potassium fluoride, calcium fluoride, magnesium fluoride, lithium fluoride. The filler is prepared from the fluoride salt and hydrofluoric acid with a concentration of no less than 5% by mixing, reaction, curing, molding, air-drying and roasting, the internal porosity of the filler is 40%-60%, has the characteristics of large porosity and strong skeleton, and has the characteristics of strong adsorption and good purification effect when used in fluorine gas purification, and the preparation method of the fluorine gas purifying filler is simple and easy to implement.

The present invention provides a tooth repair nanometer hydroxyapatite composite material and a preparation method thereof, wherein the composite material comprises 45-65% by mass of nanometer hydroxyapatite and 35-55% by mass of a resin matrix, and the nanometer hydroxyapatite contains powdery sodium fluoride having the amount of 2% of the mass of the nanometer hydroxyapatite. Compared with the existing material, the nanometer hydroxyapatite composite material of the present invention has advantages of strong mechanical and physical property, good biocompatibility, excellent biological activity and the like, meets requirements of dental repair material bionics, can be used for tooth defect repair, can be provided for overcoming defects of strong dental pulp irritation, weak tooth bonding force and the like of the current dental repair material, provides new breakthrough for clinical treatment of dental disease, and has broad market prospects. The tooth repair nanometer hydroxyapatite composite material prepared by using the preparation method of the present invention has a good use result.

The invention discloses efficient whitening anti-cavity toothpaste and a preparation method thereof. The efficient whitening anti-cavity toothpaste is prepared from 15-45 wt% of abradant, 6-25 wt% of a wetting agent, 0.4-1.6 wt% of an adhesive, 2-5 wt% of a foaming agent and the balance diluent, and the efficient whitening anti-cavity toothpaste is also prepared from 0.1-0.3 wt% of calcium glycerophosphate, 0.5-1 wt% of sodium monofluorophosphate, 0.1-0.3 wt% of sodium fluoride, 0.5-3 wt% of sodium phytate and 0.1-0.5 wt% of sodium pyrophosphate. According to the efficient whitening anti-cavity toothpaste, by taking the abradant, the wetting agent, the foaming agent, the adhesive, the diluent, a compound anti-activity agent and a compound stain removing agent as raw materials and conducting proper proportioning, the prepared efficient whitening anti-cavity toothpaste has the stability required by conventional toothpaste, better anti-cavity, repairing, stain removing and whitening effects can be achieved, and a user can obtain healthy and bright white teeth easily.

The invention discloses a material for forming mineral substance in a dentinal tubule by use of delayed reaction and application thereof, and belongs to the technical field of dentistry repairing materials. The material is characterized by comprising a reagent A, wherein the reagent A is EDTA-2Na, calcium chloride and sodium fluoride aqueous solution, the pH value is regulated by the sodium hydroxide and the hydrochloric acid; a reagent B is the mixed solution of potassium oxalate aqueous solution and n-butyl alcohol; the reagent A and the reagent B are mixed, continuously and quickly stirred to obtain a reagent C; the reagent C is immediately painted on the dental face for exposing the dentinal tubule, so that the reagent C can smoothly enter the dentinal tubule or a deep layer; the delayed reaction is started, the insoluble calcium oxalate and like mineral substances are gradually generated in the tubule of the dentinal tubule so as to block the dentinal tubule.

The invention discloses a phosphating agent for surface treatment on aluminum cans. The phosphating agent comprises the following raw materials in parts by weight: 22-24 parts of phosphoric acid, 5-7 parts of sodium molybdate, 8-10 parts of chromic acid, 5-8 parts of fluoride sodium borate, 2-5 parts of antimony trioxide, 2-4 parts of calcium nitrate, 3-5 parts of zinc nitrate, 1.5-2.5 parts of calcium chloride, 0.8-1.2 parts barium stearate, 0.5-1.2 parts of tribasic lead sulphate, 0.5-1.5 parts of titanium dioxide and 1.4-1.8 parts of barium metaborate. The phosphating agent can be used at room temperature; a surface adjusting procedure before phosphorization is eliminated, and a washing procedure after phosphorization is avoided; the phosphating agent belongs to an environment-friendly manganese-calcium-series phosphate solution which is simple and convenient to operate, long in service life, excellent in effect and high in adhesive force; the phosphating agent is good in stability, short in processing time, high in strength of a formed phosphate coating, excellent in adhesive force and high in corrosion resistance.

The invention discloses a COVID19 antigen detection card as well as a preparation method and application thereof, and belongs to the field of nano materials and nano medicine, an adopted rare earth nano probe is erbium fluoride sodium coated sodium yttrium fluoride with a core-shell structure, the particle size is 20nm-30nm, the composition of the rare earth nano probe is NaErF4@NaYF4, and NaErF4 is a full erbium doped core structure, NaYF4 is a shell layer, and @ represents that the NaYF4 is coated on the surface of the NaErF4. The nano-probe is a rare earth fluoride nano-material and has the advantages of low background, long luminescence life, strong fluorescence signal, high signal-to-noise ratio and the like, the probe is connected with a new crown monoclonal antibody through a covalent bond for marking, a marking product is stable, and the COVID19 antigen detection card has the characteristics of high sensitivity, high accuracy, rapid and simple detection and the like, and can be used for screening and detection of early-stage COVID19 suspected patient throat swabs, nasal swabs, nasopharyngeal swabs and saliva samples, so that clinical definite diagnosis can be quickly and specifically assisted.

The invention discloses a corrosion resistant aluminum alloy surface treatment agent, which is composed of the following raw materials by weight: 0.7-1 part of propyl gallate, 4.2-5 parts of fluoride sodium borate, 1-1.6 parts of calcium aluminate, 2-3.1 parts of sodium alginate, 0.2-0.4 parts of bauxite powder, 1-1.3 parts of xanthan gum, 2-3.1 parts of toluene-p-sulfonic acid, 0.2-0.4 part of methyl hydroxypropyl acrylate, 0.1-0.2 part of trimethylolpropane diallyl ether, 2-3.5 parts of tetradecanedioic acid, 3-4.1 parts of glycerol, 1-3 parts of a coalescent, 16-20 parts of a silane coupling agent KH560 and 110-140 parts of deionized water. The surface treatment agent provided by the invention can form a strong protective film on the aluminum alloy surface to enhance the corrosion resistance of the substrate; the surface treatment agent provided by the invention does not contain carcinogenic substances such as nitrate and nitrite; and waste liquid can be discharged through simple neutralization treatment, so as to reduce energy consumption.

The invention provides a preparation method of sodium fluoride sustained-release tablets. A carrier for loading sodium fluoride is hollow titanium dioxide. The preparation method includes: using a hard template method to prepare the hollow titanium dioxide, and allowing the sodium fluoride to evenly soak the hollow titanium dioxide under a negative pressure condition (-0.1MPa). The sustained-release performance of the sodium fluoride is regulated and controlled by adjusting the wall thickness and sodium fluoride loading capacity of the titanium dioxide. The preparation method has the advantages that the hollow titanium dioxide used in the method is regular in morphology, adjustable in wall thickness, large in internal space, low in toxicity and the like, medicine release performance is improved, and practicality is enhanced.

The invention discloses toothpaste capable of inhibiting helicobacter pylori. The toothpaste comprises the following raw materials in parts by weight: 0.1 to 1.0 part of olibanum extract, 0.1 to 1.0 part of sunflower seed oil, 0.1 to 0.5 part of sodium fluoride, 0 to 0.5 part of pyridoxine hydrochloride and 0.1 to 1.0 part of sodium pyrophosphate. The invention also provides a preparation method of the toothpaste. The toothpaste disclosed by the invention can effectively inhibit helicobacter pylori, and the components of the toothpaste have a remarkable synergistic effect, so helicobacter pylori can be thoroughly inhibited. The toothpaste is prepared by adopting special equipment, so materials are sheared and collided in multiple directions, homogenizing efficiency is high, and the preparation of the toothpaste is effectively accelerated.

The invention relates to toothpaste capable of treating gingivitis and a preparation method of the toothpaste. The toothpaste comprises the following components in parts by mass: 18-31 parts of sodium metaphosphate, 14-22 parts of glycerin, 0.4-1 part of sodium carboxymethyl cellulose, 0.3-0.75 part of inositol phosphate ester, 0.5-2 parts of sodium fluoride, 0.26-0.48 part of zinc citrate trihydrate, 0.04-0.1 part of stannous pyrophosphate, 0.1-0.4 part of benzalkonium chloride, 0.3-0.9 part of aluminum oxide, 0.1-0.2 part of gluside, 0.4-0.9 part of essential oil, 25-36 parts of water, 4-12 parts of puffball, 3-10 parts of coral ardisia root and 2-7 parts of rohdea japonica. The toothpaste provided by the invention has the efficacies of clearing heat to remove toxicity, activating blood circulation to relieve pain, and stopping bleeding and diminishing inflammation when being utilized for cleaning teeth and freshening breath, and thus is capable of treating the symptoms of gingivitis and faucitis.

The invention relates to the technical field, in particular to caries-preventing children toothpaste which comprises the following components in %age by weight: 20-50% of an abrasive, 20-30% of a wetting agent, 2-3% of a foaming agent, 1-2% of an adhesive, 1.7-5.75% of an additive and the balance of deionized water, the additives comprise 1%-2% of a flavoring agent, 0.05%-0.25% of a sweetening agent, 0.05%-0.5% of a preservative, 0.05%-0.25% of a corrosion inhibitor, 0.05%-0.25% of a desensitizer, 0.3%-2.0% of an antibacterial agent and 0.14%-0.26% of an anti-caries agent; the antibacterial agent is prepared from 0.25 % to 1.0 % of quaternary ammonium siloxane and 0.05 % to 1.0 % of tranexamic acid; the anti-caries agent is prepared from 0.04 to 0.06 % of sodium monofluorophosphate, 0.04 to 0.06 % of protease, 0.03 to 0.1 % of lysozyme and 0.03 to 0.04 % of cellulase. The toothpaste has the beneficial effects that a trace amount of sodium monofluorophosphate, protease, lysozyme and cellulase are adopted to replace a proper amount of sodium fluoride, so that decayed teeth can be effectively prevented, fluoride components contained in the toothpaste can be greatly reduced, even if children mistakenly swallow part of the toothpaste, the fluoride intake is not excessive, and the toothpaste is safe and reliable. The occurrence of fluorine poisoning of children is effectively prevented.

The invention provides a production system, a preparation method and components of toothpaste-grade sodium monofluorophosphate, wherein the content of the sodium monofluorophosphate, the content of free fluorine and the PH value can be accurately controlled, the prepared product is high in purity, and the method is easy to operate. According to the invention, the sodium monofluorophosphate production system provides technical support for the preparation method of sodium monofluorophosphate, and specifically comprises a raw material mixing and blending device, a melting reaction furnace, a particle size regulation and control device, a transfer bin for transferring materials on a production line, and a transfer bin elevator, wherein the feeding end of the raw material mixing and blending device is used for feeding sodium hexametaphosphate, sodium fluoride and phosphorus pentoxide in different parts by weight and fully mixing the sodium hexametaphosphate, the sodium fluoride and the phosphorus pentoxide, the discharging end of the raw material mixing and blending device is communicated with the melting reaction furnace, condensed sodium monofluorophosphate is screened out to obtain afinished product with qualified granularity through the particle size regulation and control device, the transfer bin elevator is used for lifting the transfer bin, and the transfer bin is used for transferring and conveying materials between the devices.

The invention discloses a method for controlling crystallization of sodium fluoride in PTR glass by using blue light. The method specifically comprises the following steps: while carrying out nucleation heat treatment on the PTR glass to form silver clusters, exposing the PTR glass by using the blue light to decompose sodium bromide particles with larger sizes and leave silver atom particles withsmaller sizes as nuclei for precipitation of sodium fluoride crystals; and therefore, the size of the precipitated sodium fluoride crystal is controlled. The invention also discloses an application ofthe method in preparation of the reflective volume Bragg grating. According to the method, the purpose of controlling the size of precipitated sodium fluoride can be achieved, so that the preparationof the reflective volume Bragg grating with a relatively short grating period is facilitated.

The invention discloses an oral care composition and a preparation method and application thereof, the oral care composition comprises a drug-loaded micelle, the drug-loaded micelle comprises a polymer micelle and an enamel repair drug physically coated in the polymer micelle, the polymer micelle is a micelle particle formed by a water-soluble polymer with a structure shown as a formula I in an aqueous solution with tannic acid, and the enamel repair drug is a water-soluble polymer with a structure shown as a formula II. The shell is connected with the sialoprotein polypeptide through a chemical bond. The oral care composition provided by the invention is adhered to the surface of teeth through the sialoprotein polypeptide, a boric acid ester bond between the tannic acid and the water-soluble polymer is opened in an oral acid environment caused by decayed teeth, the tannic acid and sodium fluoride are released, intelligent and on-demand release of drugs can be realized, and the oral care effect is improved. Therefore, the purposes of preventing decayed teeth and repairing tooth defects are achieved.

The present invention relates to a dentifrice composition which removes a fine stain and a stain adhering to the surface of teeth sufficiently, enhances the whitening effect on teeth and the gloss-imparting effect on teeth, also increases the amount of fluorine adsorption to teeth, and decreases the feeling of astringency. The oral composition of the present invention comprises the following component (A): phytic acid or an alkali metal salt thereof in an amount of 0.04% by mass or more and 1% by mass or less in terms of phytic acid; and component (B): monofluorophosphoric acid or an alkali metal salt thereof in an amount of 500 ppm or more and 1500 ppm or less in terms of fluorine atoms, wherein a mass ratio of the component (A) to the component (B), ((A)/(B)), is 0.1 or more and 1.4 or less, and a fluoride ion-supplying compound (F) selected from the group consisting of sodium fluoride, potassium fluoride and ammonium fluoride, a polyvalent metal cation, and a polyphosphoric acid or a salt thereof are comprised in a limited amount, and the pH thereof is from 5.5 to 6.5.

The invention provides a method for preparing fluorinated polyhexamethylene biguanide. The method comprises the following steps: adding water into polyhexamethylene biguanide hydrochloride powder, dissolving, precipitating, removing the precipitate, dialyzing, centrifuging and drying to obtain the fluorinated polyhexamethylene biguanide. The method is mild in reaction condition, simple in preparation method and suitable for large-scale industrial production and application. The product fluorinated polyhexamethylene biguanide can give play to the synergistic effect of polyhexamethylene biguanide and sodium fluoride, effectively reduces the side effects when polyhexamethylene biguanide and sodium fluoride are independently used or used in a compatible manner, and can be applied to the fieldsof oral gargle, toothpaste, enamel remineralization liquids, fluorine foams and fluorine gels.

The invention discloses a CHI3L1/LN detection card as well as a preparation method and application thereof, and belongs to the field of nano materials and nano medicine, an adopted rare earth nano probe is erbium fluoride sodium coated sodium yttrium fluoride with a core-shell structure, the particle size is 20nm-30nm, the rare earth nano probe is made of NaErF4@NaYF4, and NaErF4 is a total erbium-doped core structure, NaYF4 is a shell layer, and @ represents that the NaYF4 is coated on the surface of the NaErF4. The nano-probe is a rare earth fluoride nano-material and has the advantages of low background, long luminescence life, strong fluorescence signal, high signal-to-noise ratio and the like, the probe is connected with an antibody through a covalent bond by a label, a labeled product is stable, and the CHI3L1/LN detection card has the characteristics of high sensitivity, high accuracy, rapidness, simplicity and convenience in detection and the like, and can assist doctors in judging whether a patient is subjected to hepatic fibrosis or not in the early stage.

The invention relates to a composition for resisting tooth sensitivity, a preparation method and application of the composition and an oral care product containing the composition, and belongs to the technical field of oral care. In order to solve the problem that bioactive glass is easy to lose efficacy in a water-containing system, the invention provides a composition for resisting tooth sensitivity, which comprises the following components: sodium calcium phosphate silicate, a PVM/MA copolymer, potassium nitrate, sodium fluoride and a first solvent. The composition can quickly form a film on the tooth surface, effectively resist dentin hypersensitivity, form an environment rich in calcium and phosphorus ions, and promote remineralization of the tooth surface. According to the invention, the nano-scale sodium calcium phosphate silicate is coated in the PVM/MA copolymer to form a stable composition which is not easily damaged by external force and plays a role in isolating water molecules, so that the composition can stably exist in a water-containing system, and the problem of application limitation of the sodium calcium phosphate silicate is solved. The composition disclosed by the invention can be used as a special-effect additive and is applied to oral care products of various dosage forms.

The invention discloses hydroxyapatite type toothpaste, and particularly relates to the field of toothpaste. The hydroxyapatite type toothpaste comprises the following raw material in parts by weight:100-120 parts of hydroxyapatite, 80-100 parts of calcium carbonate, 5-9 parts of sodium fluoride, 3-7 parts of potassium fluoride, 1-5 parts of stannous fluoride, 2-6 parts of monofluorophosphoric acid, 1-5 parts of calcium hydrophosphate, 3-7 parts of calcium pyrophosphate, 4-8 parts of silicon dioxide, 4-8 parts of aluminum hydroxide, 5-9 parts of glycerin, 7-11 parts of sorbitol, 7-11 parts ofpropylene glycol and 6-10 parts of polyethylene glycol. The hydroxyapatite type toothpaste disclosed by the invention is diversified in smell, can be purchased according to favorite smell of a user,is increased in applicable crowd and improved in product competitiveness, increases the original basic efficacy, and can remove thin films and dental plaque on the surfaces of teeth without damaging enamel and dentin; the toothpaste has a good effect of cleaning the oral cavity and the surroundings.