16 results about "Fluoride Sodium" patented technology

The invention relates to the technical field of adhesives, in particular to a high-temperature adhesive with a low thermal expansion coefficient and a preparation method of the high-temperature adhesive. The preparation method of the binder comprises the following steps: irradiating polytetrafluoroethylene microspheres and a sodium fluoride adsorbent together in an aerobic environment to obtain mixed powder; dissolving the mixed powder in deionized water, standing, filtering and drying to obtain irradiation cracking polytetrafluoroethylene microspheres; the preparation method comprises the following steps: dissolving acrylamide in ethanol, uniformly dispersing, adding irradiation pyrolysis polytetrafluoroethylene microspheres, and continuously stirring to uniformly disperse the microspheres; then carrying out secondary irradiation treatment; after the irradiation is completed, filtering, washing and drying to obtain amino modified polytetrafluoroethylene microspheres; the preparation method comprises the following steps: preheating epoxy resin, then adding amino modified polytetrafluoroethylene microspheres, and completely mixing and stirring to obtain a mixed solution; and adding a curing agent into the mixed solution, continuously stirring uniformly, standing and defoaming to obtain the high-temperature binder. The adhesive is suitable for bonding in a high-temperature environment.

The invention relates to anti-caries toothpaste capable of freshening breath and a preparation method of the anti-caries toothpaste. The anti-caries toothpaste comprises disodium dihydrogen pyrophosphate, zinc citrate, a grape seed extract, tetrasodium pyrophosphate, sodium fluoride and synthetic fluorophlogopite. The disodium dihydrogen pyrophosphate, the zinc citrate, the grape seed extract, the tetrasodium pyrophosphate, the sodium fluoride and the synthetic fluorophlogopite are combined, so that a synergistic interaction effect is achieved, decayed teeth can be prevented and treated, and fresh breath is remarkably improved.

The application relates to the field of denture preparation, and specifically discloses a composite resin tooth capable of effectively resisting secondary caries and a preparation method thereof. The composite resin tooth comprises 10-34 parts of polymethyl methacrylate, 6-30 parts of dimethyl acrylamide urethane, 0.2-0.8 parts of sodium fluoride and 0.4-1.6 parts of deionized water. The resin tooth provided by the application has good antibacterial performance and can reduce the formation rate of dental plaque. The preparation method of the resin tooth has the effects of simple preparation and easy mass production.

This invention relates to the technical field of anti-caries functional foods or oral care products, specifically disclosing the application of sea buckthorn pulp in the preparation of a formulation combined with sodium fluoride for caries prevention. By constructing a caries model in SD rats, the anti-caries effect of the combined use of sea buckthorn pulp and low-concentration sodium fluoride was systematically evaluated. Experimental results show that sea buckthorn pulp is rich in active ingredients such as flavonoids and organic acids; the combination of sea buckthorn pulp and 250ppm sodium fluoride solution at volume ratios of 9:1, 7:3, or 1:1 comprehensively inhibited caries lesions at all stages of the smooth surface and pits and fissures of rat molars; furthermore, biosafety evaluation showed that no pathological damage was observed in the major organs, oral mucosa, and cecal mucosa of rats in each sea buckthorn intervention group, and the weight recovery effect was better than that in the sodium fluoride positive control group. This invention achieves synergistic caries prevention by low-concentration sodium fluoride and sea buckthorn pulp, providing a scientific basis for the development of low-fluoride, high-efficiency natural anti-caries functional foods or oral care products.

This application provides a toothpaste with antibacterial, anti-cavity, and teeth-strengthening effects, and its preparation method, relating to the field of daily chemical products technology. The toothpaste provided by this invention includes an antibacterial repair agent, which, by weight, comprises: 5-15 parts β-glucan, 2-8 parts mannoerythritol ester, and 2-8 parts Hedychium spirica extract. This invention combines β-glucan, mannoerythritol ester, and Hedychium spirica extract in a combination added to the toothpaste, which can reduce the amount of strontium fluoride and / or sodium fluoride, bioactive glass, etc., effectively achieving long-lasting protection and strengthening teeth.

The invention relates to whitening and freckle-removing toothpaste and a preparation method thereof. The whitening and freckle-removing toothpaste comprises tetrasodium pyrophosphate, sodium fluoride, sodium phytate, hydrated silica, synthetic fluorophlogopite and carbomer. The tetrasodium pyrophosphate, the sodium fluoride, the sodium phytate, the hydrated silica, the synthetic fluorophlogopite and the carbomer are combined, so that a synergistic effect is achieved, the effects of whitening, removing stains and removing exogenous stains can be achieved, and the tooth whitening degree is improved from the inside and the outside.

The invention relates to the technical field of cosmetic toothpaste, in particular to a novel anti-decayed tooth formula, which comprises a raw material bag using auxiliary materials, and the raw material bag comprises a sodium fluoride raw material and a decetaxel raw material. The content of the sodium fluoride raw material is 0.05%-0.25%, and the content of the diclatafluorine raw material is 0.2%-3%. A toothpaste finished product B is obtained when the content of the sodium fluoride raw material is 0.1%-0.2% and the content of the diclatafluorine raw material is 0.5%-2.5%, and a toothpaste finished product C is obtained when the content of the sodium fluoride raw material is 0.15%-0.18% and the content of the diclatafluorine raw material is 1.5%-2%. According to the invention, the sodium fluoride raw material and the diclatasol raw material in a specified ratio are added into the toothpaste body to form a fluorine-containing compound, so that the overall activity of the toothpaste body is relatively high, and the fluorine-containing compound with the determined ratio can effectively protect teeth by comparing use results according to different fluorine contents.

The invention relates to medical oral cavity mothproof gel for mothproof and tooth care and a preparation method thereof, and belongs to the technical field of oral cavity care. The gel component is prepared from sodium fluoride, zinc citrate, lauryl sodium sulfate modified silicon dioxide, lauryl sodium sulfate, sodium benzoate, sorbitol, peppermint essence, glycerol, sodium carboxymethyl cellulose, xanthan gum and deionized water. The preparation method comprises the steps of preparation of activated silicon dioxide, mixing of all components, heating and heat preservation, addition of auxiliary materials after cooling and the like. Silicon dioxide is coated with lauryl sodium sulfate, the adsorption capacity of the lauryl sodium sulfate to fluorine ions is enhanced, multi-target anti-caries is achieved in cooperation with remineralization of sodium fluoride and bacteriostasis of zinc citrate, the component stability is optimized through a staged temperature control technology, the detention time of fluorine on the tooth surface is remarkably prolonged, and the anti-caries effect is improved.

The invention discloses anti-caries toothpaste and a preparation method thereof, the anti-caries toothpaste is prepared from the following raw materials: keratin extract, sodium fluoride, sorbitol, a friction agent, sodium lauryl sulfate, sodium alginate, sodium pyrophosphate, a sweetening agent, nano-hydroxyapatite, tea tree essential oil, vitamin C, a preservative and pure water, and the keratin extract is contained in a specific proportion. As a component with special performance, the keratin extract can bring various benefits to teeth, can be combined with the surfaces of the teeth to form a protective film and reduce direct damage of acidic substances and the like to the teeth, and keratin also possibly has a certain promotion effect on remineralization of the teeth and is beneficial to maintenance of the healthy structure of the teeth, so that the tooth cleaning effect is improved. The toothpaste formula has the advantages that the toothpaste formula is simple, the structural strength of teeth is enhanced, the wear resistance of the teeth is improved, meanwhile, certain protection and repair effects on enamel are achieved, and a large number of experimental studies and data verification show that the toothpaste formula shows excellent performance.

The invention relates to anti-dental calculus whitening toothpaste as well as a preparation method and application thereof. The anti-dental calculus whitening toothpaste comprises polyethylene glycol, disodium dihydrogen pyrophosphate, sodium chloride, sodium citrate, zeolite, zinc citrate, sodium phytate, sodium fluoride and a PVM / MA copolymer. According to the invention, the raw materials are compounded for use, so that the toothpaste has a synergistic effect, can have an anti-dental calculus effect, and can promote whitening and breath freshening effects at the same time.

The utility model relates to the technical field of sodium fluoride production, and discloses an integrated separation device for silica gel in sodium fluoride mother liquor, which comprises a shell, a water inlet pipe is fixedly communicated with the inside of the upper surface of the shell, and a flow baffle is fixedly mounted at the top of the inner wall of the shell. According to the integrated separation device for the silica gel in the sodium fluoride mother liquor, by adopting the technical scheme, an existing multi-stage standing separation mode is replaced, arrangement of a plurality of settling tanks is avoided, the integrated device is adopted, the occupied area of the device is greatly reduced, the maintenance cost of the device is effectively reduced, continuous operation of the device is achieved, and the production efficiency is improved. The productivity of operation equipment is improved; the water stepping plate is additionally arranged, and the arc-shaped intercepting plate is matched, so that the stability of water flow in the separation device is ensured; by means of the interception acting force of the arc-shaped interceptor plate and the double acting force of the gravity of the silica gel, the settling speed of the silica gel in the sodium fluoride mother liquor is increased, and the silica gel separation efficiency of the separation device is effectively improved.

Synergistic dentifrice (oral) composition, formulation and preparation method and application thereof. The present invention provides a synergistic dentifrice composition designed to promote healing of wounds at the dentin-pulp complex, and to prevent and treat oral conditions including leukoplakia, lichen planus, submucous fibrosis, erythroplakia, periodontal disease, dental caries, dentinal hypersensitivity, and ulcers. Additionally, the composition promotes remineralization, inhibits demineralization, and addresses xerostomia. The formulation includes Arginine hydrochloride, sodium fluoride (NaF) solution, Potassium Nitrate, Nano Hydroxyapatite, Curcuma Longa extract, zinc salts, and optionally a peptide with a length of 7 to 30 amino acid residues along with inactive ingredients.

Disclosed in the present invention are a toothpaste for repairing tooth enamel and a preparation method therefor. The toothpaste of the present invention comprises calcium phosphosilicate, calcium sodium phosphosilicate, porous silica, polyethylene glycol, sodium fluoride, olaflur, hydrated silica, and a toothpaste matrix component. According to the present invention, the release speed of calcium and phosphate ions is regulated and controlled by optimizing the ratio of the calcium phosphosilicate to the calcium sodium phosphosilicate, and in addition, the fluoride and the polyethylene glycol are loaded in the porous silica, such that the hydrogen bond effect between the fluoride and the polyethylene glycol can further reduce the release speed of the fluoride in the oral cavity, a small number of fluorine ions released in the early stage of tooth brushing can promote remineralization, and a large number of fluorine ions released in the later stage of tooth brushing can convert newly generated hydroxyapatite into fluorapatite with higher hardness.

The invention belongs to the technical field of oral care products, and particularly relates to anti-dentin hypersensitivity toothpaste and a preparation method thereof. The dentin hypersensitivity resistant toothpaste comprises the following components: fluoride, sylvite and hydrated silica, wherein the fluoride is a composition of sodium fluoride and sodium monofluorophosphate. Three anti-allergic functional components including fluoride, sylvite and hydrated silica are matched and combined, exposed dentinal tubules are blocked through the hydrated silica, sodium monofluorophosphate and sodium fluoride are combined with hydroxyapatite contained in teeth to form fluorapatite remineralization to block the dentinal tubules, meanwhile, nerve response is blocked through the sylvite, pain is relieved, and the anti-allergic effect is achieved. And the three components have a synergistic effect, so that an excellent dentin hypersensitivity resisting effect is achieved.

A sodium fluoride hopper crystal formed by a method of manufacture comprising: dissolving a portion of NaF in water to form an NaF solution; forming an antisolvent solution; and adding the NaF solution into the antisolvent solution to precipitate NaF crystals out of the solution.

The invention belongs to the technical field of aluminum oxide production, and particularly relates to a method for removing fluorine, oxalic acid and vanadium impurities without arsenic in the aluminum oxide production process. The method comprises the following steps: (1) adding a sodium fluoride inducer and a sodium fluoride growth agent into evaporation mother liquor obtained by evaporating aluminum oxide, and then separating out sodium fluoride to obtain first mother liquor and first filter residues; (2) adding an oxalate inducer and an oxalate growth agent into the first mother liquor, and then separating out sodium oxalate to obtain second mother liquor and second filter residues; (3) performing sodium vanadate precipitation on the second mother liquor to obtain third mother liquor and third filter residues; the reaction temperature of sodium fluoride precipitation in the step (1), the reaction temperature of sodium oxalate precipitation in the step (2) and the reaction temperature of sodium vanadate precipitation in the step (3) are sequentially reduced. According to the method, the sodium fluoride slag, the sodium oxalate slag and the sodium vanadate slag can be obtained respectively, follow-up economic utilization of the waste slag is facilitated, and the slag does not contain arsenic.