52 results about "Aerosol composition" patented technology

An aerosol delivery system is disclosed. The system comprises an aerosol container housing an aerosol composition that includes a propellant mixture and an additive. The propellant mixture comprises a first hydrofluoroolefin propellant in an amount of 50% to 99% w / w % and a second hydrofluoroolefin propellant in an amount of 1% to 50% w / w %. The additive is present in an amount of up to 70% w / w %, has a specific gravity of 0.5 to 1.2, a partition coefficient of −0.5 to 4, and a water content of up to 2% w / w %. A micromist actuator with an orifice diameter of 0.25 to 0.80 microns produces droplets of 25 to 50 microns. The aerosol has a viscosity of 0.5 to 3.0 centipoise, ensuring fine mist dispersion, prolonged airborne suspension, and consistent delivery, making it suitable for environmental scenting, air treatment, and personal care applications.

To provide an aerosol composition that enables a biodegradable polymer thin film to be readily formed on a target material with high productivity.SOLUTION: An aerosol composition contains a propellant containing dimethyl ether, and a biodegradable polymer that is soluble in the dimethyl ether.SELECTED DRAWING: None

The invention discloses an insecticidal aerosol composition and a preparation method thereof, and belongs to the technical field of pesticides, a natural plant extract and a low-dose chemically synthesized insecticide are subjected to a synergistic effect, the natural plant extract has certain insecticidal activity, and when the natural plant extract and the chemically synthesized insecticide act together, the insecticidal activity of the natural plant extract is greatly improved. On the premise of ensuring effective insect killing, the dosage of the chemically synthesized insecticide is reduced, the toxic residual quantity is reduced, and toxic substances in contact with a user in the using process are reduced, so that the health risks such as respiratory tract stimulation and skin allergy are reduced, and the body health of the user can be more effectively protected; when a traditional aerosol is used in a high-dose mode, residual toxic substances can be attached to the surface of an indoor article for a long time and enter a human body through ways such as contact and breathing, the risk is greatly reduced by optimizing component combination, and a healthier and safer use environment is provided for a user.

To provide an aerosol product having sufficient cooling performance without using hydrofluoroolefin as a propellant.SOLUTION: An aerosol product comprising an aerosol composition containing not less than 40vol% of at least one propellant selected from the group consisting of dimethyl ether and liquefied petroleum gas, an aerosol vessel for filling the aerosol composition, the aerosol vessel comprising a pressure vessel and an aerosol valve fixed to the pressure vessel, and a spray member attached to the aerosol valve, wherein the aerosol composition contains substantially no water, the aerosol valve is not formed with a gas phase introduction hole, and the spray member is not provided with a mechanical breakup mechanism, the aerosol valve has a stem hole cross-sectional area / an injection hole cross-sectional area of 5.0 or more.SELECTED DRAWING: Figure 1

An aerosol composition including an aerosol stock solution containing a cationic surfactant (A) and a linear saturated higher alcohol (B), and a propellant (C) containing carbon dioxide. The component (A) containing a mono-long-chain-alkyl cationic surfactant (A1). A content of the component (A) being 0.9% by mass or more and less than 6.0% by mass in the aerosol stock solution. A molar ratio [(B) / (A1)] of the component (B) with respect to the component (A1) being 3.0 or more and 7.0 or less in the aerosol stock solution. A content of the component (A1) in the component (A) being 90% by mass or more and 100% by mass or less, and a difference between a number of carbon atoms of the long-chain alkyl in the component (A1) and the number of carbon atoms of the component (B) being 0.

The present invention belongs to the technical field of cleaning aerosols, and in particular to a non-flammable water-based aerosol composition for metal cleaning and polishing. The non-flammable water-based aerosol composition of the present invention includes phase A and phase B, wherein the phase A includes the following raw materials and their mass fractions: 60-78 parts of deionized water, 1-10 parts of a composite emulsifier, 5-30 parts of white mineral oil, 1-10 parts of a detergent, 0.2-1 parts of an anticorrosive and rust-inhibiting agent, and 0.1-1 parts of an essence; the phase B is a propellant having a mass fraction of 20-40 parts. The non-flammable water-based aerosol composition of the present invention can effectively remove metal surface stains after use, while having a good brightening effect and being durable and non-stained with dust; and while maintaining the basic performance of cleaning and polishing metal, closely following national regulatory requirements, with safety and environmental protection as the main design concepts, eliminating flammable, explosive, toxic and harmful substances in existing products, and having the advantages of being non-flammable, safe and environmentally friendly.

This invention discloses a spray composition, its preparation method, an oral care device, and its application, belonging to the field of biomedical technology. The composition is a synergistic compound of a herbal enzyme solution prepared by a "cell wall breaking-enzymatic hydrolysis-fermentation" process and a lyophilized stem cell exosome powder. The herbal enzyme solution contains berberine ≥1.2 mg / mL and baicalin ≥1.0 mg / mL, exhibiting high anti-inflammatory (IL-1β inhibition rate ≥55%) and deodorizing (VSC decomposition rate ≥88%) effects. The lyophilized exosome powder is rich in VEGF (≥50 pg / mg protein) and TGF-β1 (≥30 pg / mg protein), promoting gingival repair. The stability and delivery challenges of exosomes are solved through "lyophilization and reconstitution + ultrasonic atomization," resulting in atomized particles of 1–10 μm (D50 = 1–5 μm). Experimental results show that the gingivitis redness and swelling subsides in ≥90% of cases, the gingival recession thickness increases by 0.4–0.6 mm in 8 weeks, fresh breath is maintained for 4–6 hours, and the healing cycle of oral ulcers is shortened by 40%–50%, achieving a synergistic effect of "immediate antibacterial and anti-inflammatory treatment + long-term tissue repair".

The present invention provides an aerosol composition that does not require emulsification of water and liquefied gas, can be uniformly dispersed for several seconds (e.g., 2 seconds or more) by shaking the container before spraying, can be sprayed with a stable composition, and produces a freezing spray that provides a sustained cooling effect. [Solution] An aerosol composition comprising water, a hydrofluoroolefin having a boiling point of 5 to 30°C, and dimethyl ether, wherein the dimethyl ether content is 10 to 40% by mass, and the composition is separated into two layers.

Provided in the present invention are a suspended triple inhalation aerosol composition and a preparation method therefor. The aerosol composition comprises fluticasone furoate, vilanterol trifenatate, glycopyrrolate, a diluent, a surfactant and a propellant; has higher drug-delivery efficiency and drug-delivery dose, and higher lung deposition; and has the effects of better ameliorating Mch-induced elevated pulmonary resistance and decreased pulmonary compliance, thereby facilitating improvement to medication safety and patient compliance.

The group of inventions relates to chemistry, medicine and pharmaceutics, and more particularly to a liquid aerosol composition for the protection of wounds and to a wound protection method. The proposed liquid aerosol composition comprises a film-forming solution of a polymer in an organic solvent, and a propellant, wherein the film-forming solution consists of 2-5 wt.% styrene-ethylene-butylene-styrene (SEBS) block copolymer and 95-98 wt.% organic solvent selected from among dichloromethane, cyclohexane or a mixture thereof, and the propellant is a hydrocarbon propellant or dimethyl ether. According to the proposed method, the liquid aerosol composition is applied to the surface of a wound from a distance of 10-20 cm for 10-15 seconds by spraying from an aerosol can, wherein a polymer film is formed within 30-60 seconds and the formed polymer film has a thickness of 0.006-0.010 mm. The group of inventions provides an elastic film which has good adhesive properties and an optimal moisture vapour transmission rate.

The invention discloses a multi-effect cleaning aerosol composition and an anti-static spraying process. The invention relates to a multi-effect cleaning aerosol composition, which consists of a composite system of an anionic surfactant and a nonionic surfactant, a blending system of an alcohol organic solvent and an ether cosolvent, a chelating agent, a zwitterionic pH buffer agent and a liquid hydrocarbon propellant with a boiling point of-20 DEG C to 50 DEG C. According to the invention, through iteration of a four-dimensional technology integrating precise compatibility of a composite surfactant, innovation of a nano-dispersion technology, cooperation of a multifunctional auxiliary agent and anti-static spraying, the problem of contradiction among stability, functionality and safety of a traditional aerosol is solved; through dynamic proportion regulation and control of an anion / nonionic surfactant and a gradient dispersion method, micelle particle size distribution is compressed, the storage stability is remarkably improved, and the surface permeability is enhanced by nanoscale atomized particles.

Disclosed are example embodiments of systems and methods for an electric vehicle charging system that includes a charging station configured to provide electrical energy to an electric vehicle, an artificial-intelligence facial recognition camera communicatively coupled to the charging station and configured to capture a facial image of a user for authentication, and a controller configured to enable charging based on a comparison between a facial feature vector derived from the captured image and stored feature data of a registered user. The system further includes a fire suppression subsystem integrated within the charging station and configured to discharge an aerosol-based extinguishing agent into an interior volume when a thermal condition indicative of a fire is detected. In some embodiments, the fire suppression subsystem employs a hot-aerosol composition that provides endothermic cooling and chemical inhibition, enabling autonomous safety protection during operation and maintaining charging functionality in both network-connected and offline conditions.

An aerosol delivery system is disclosed. The system comprises an aerosol container housing an aerosol composition that includes a propellant mixture and an additive. The propellant mixture comprises a first hydrofluoroolefin propellant in an amount of 50% to 99% w / w% and a second hydrofluoroolefin propellant in an amount of 1% to 50% w / w%. The additive is present in an amount of up to 70% w / w%, has a specific gravity of 0.5 to 1.2, a partition coefficient of -0.5 to 4, and a water content of up to 2% w / w%. A micromist actuator with an orifice diameter of 0.25 to 0.80 microns produces droplets of 25 to 50 microns. The aerosol has a viscosity of 0.5 to 3.0 centipoise, ensuring fine mist dispersion, prolonged airborne suspension, and consistent delivery, making it suitable for environmental scenting, air treatment, and personal care applications.

This aerosol composition includes the following component (A) and component (B): a fluorine-based solvent as component (A), and a helium gas propellant as component (B).　Through the present invention, the propellent force of the aerosol is continuously maintained at a high level to the end.

To provide an aerosol composition which is excellent in stability in an aerosol container, has good foam retention after being sprayed to an object to be sprayed, and can prevent the occurrence of dripping of a discharged material.SOLUTION: An aerosol composition comprising a stock solution and a propellant, wherein a content of the propellant in the aerosol composition is 20 to 55% by mass, and the propellant comprises at least liquefied petroleum gas and dimethyl ether, the stock solution comprises water, a lower alcohol having 1 to 4 carbon atoms, and a higher alcohol having 16 to 20 carbon atoms and a melting point of 25 °C or higher, the content of the lower alcohol in the stock solution is from 50.0 to 85.0 mass%, the content of the higher alcohol in the stock solution is from 1.0 to 20.0 mass%, and the proportion of dimethyl ether to the liquefied petroleum gas in the propellant is from 0.6 to 3.5 by mass ratio.SELECTED DRAWING: None

The invention discloses an aerosol component detection system which comprises a solvent container, an aerosol puff-by-puff suction device, a mixing container, a mixed liquid suction device and an aerosol measuring device, the aerosol puff-by-puff suction device is communicated with the interior of the mixing container, so that aerosol obtained by puff-by-puff suction of smoke is input into the mixing container; the solvent container is communicated with the solvent inlet of the mixing container and is used for inputting a solvent into the mixing container; a stirring device is arranged in the mixing container and is used for uniformly mixing the aerosol and the solvent to obtain a mixed solution; the aerosol measuring device is communicated with the outlet of the mixing container so as to detect the concentration and particle size distribution of aerosol particles in the mixed solution. According to the aerosol component detection system, puff-by-puff sampling detection of smoke can be realized, and the detection efficiency, the detection precision and the detection stability can be improved. The invention discloses an aerosol component detection method which has the same advantages as the system.

To provide an aerosol product for foaming capable of easily and efficiently forming a stable foam by mixing an object to be foamed with a discharged aerosol composition, and to provide a method for using the aerosol product for foaming.SOLUTION: Wherein the aerosol composition comprises a stock solution comprising a surfactant and water, and a liquefied gas, the liquefied gas is emulsified with the stock solution, and in the discharged aerosol composition, the amount of the liquefied gas remaining after 60 seconds in a state in which the discharged product is allowed to stand is 50% by mass or more when the amount of the liquefied gas contained in the discharged product immediately after discharge is 100% by mass.SELECTED DRAWING: None

An aerosol delivery system is disclosed. The system comprises an aerosol container housing an aerosol composition that includes a propellant mixture and an additive. The propellant mixture comprises a first hydrofluoroolefin propellant in an amount of 50% to 99% w / w % and a second hydrofluoroolefin propellant in an amount of 1% to 50% w / w %. The additive is present in an amount of up to 70% w / w %, has a specific gravity of 0.5 to 1.2, a partition coefficient of −0.5 to 4, and a water content of up to 2% w / w %. A micromist actuator with an orifice diameter of 0.25 to 0.80 microns produces droplets of 25 to 50 microns. The aerosol has a viscosity of 0.5 to 3.0 centipoise, ensuring fine mist dispersion, prolonged airborne suspension, and consistent delivery, making it suitable for environmental scenting, air treatment, and personal care applications.

A deodorant aerosol composition comprising an activated aluminium sesquichlorohydrate, a C16-C22 ester oil and a fragrance comprising one or more specified components.

To provide an aerosol composition for foam formation which has good emulsion stability even if an oily component is incorporated in a large amount, good foamability and good foam stability and substantially contains no surfactant.SOLUTION: There is provided an aerosol composition for foam formation which comprises water, an oily component and a water-soluble polymer, where the water-soluble polymer includes polyvinyl alcohol, the content of the water-soluble polymer in the aerosol composition is 0.01 mass% to 2.5 mass%, the aerosol composition forms an emulsion, the average particle diameter of droplets of the emulsion is 0.5 μm to 7.0 μm and the aerosol composition substantially contains no surfactant.SELECTED DRAWING: None

A deodorant aerosol composition comprising an activated aluminium sesquichlorohydrate, a C10-C14 branched-chain hydrocarbon and a fragrance comprising one or more components selected from dihydromyrcenol, linalool, benzyl acetate, citronellol, linalyl acetate, alpha-methyl ionone and gamma undecalactone.

The group of inventions relates to chemistry, medicine and pharmaceutics, and more particularly to a liquid aerosol composition for the protection of wounds and to a wound protection method. The proposed liquid aerosol composition comprises a film-forming solution of a polymer in an organic solvent, and a propellant, wherein the film-forming solution consists of 2-5 wt.% styrene-ethylene-butylene-styrene (SEBS) block copolymer and 95-98 wt.% organic solvent selected from among dichloromethane, cyclohexane or a mixture thereof, and the propellant is a hydrocarbon propellant or dimethyl ether. According to the proposed method, the liquid aerosol composition is applied to the surface of a wound from a distance of 10-20 cm for 10-15 seconds by spraying from an aerosol can, wherein a polymer film is formed within 30-60 seconds and the formed polymer film has a thickness of 0.006-0.010 mm. The group of inventions provides an elastic film which has good adhesive properties and an optimal moisture vapour transmission rate.

This invention relates to a micro-dose insecticidal aerosol composition for controlling disease-transmitting insects, whether flying or crawling. The micro dose insecticidal aerosol composition in one single actuation, comprises pyrethroid insecticide in hydrocarbon solvent, capable of generating particles in the air and in the environment with particle diameter D50 ≤ 0,15 µm corresponding to 500 to 800 mg of the composition applied every 5 m3.

An object of the present invention is to provide an antiviral aerosol composition that has high stability and can be aerosol-applied without causing nozzle clogging or the like, the antiviral aerosol composition being capable of forming a coating film whose copper-doped silica exhibits excellent antiviral properties and which is firmly retained on the surface of an article; a coating film formed from the antiviral aerosol composition; and an article comprising the coating film. The antiviral aerosol composition of the present invention as a means for resolution comprises (1) a copper-doped silica, (2) a vinylpyrrolidone unit-containing polymer, (3) an alcohol-based solvent or a mixed solvent of an alcohol-based solvent and water, and (4) a propellant. The coating film of the present invention is formed from the antiviral aerosol composition of the present invention. The article of the present invention comprises the coating film of the present invention.

This invention provides a metered-dose spray aerosol for outdoor use that provides sufficient efficacy against pests without the need for special additives, while suppressing phytotoxicity to plants. [Solution] The aerosol product 1 for controlling flying insects is a metered-dose spray type aerosol product in which an aerosol composition containing an insecticidal component, a solvent, and a propellant is filled into an aerosol container. The average particle diameter D50 at a distance of 50 cm from the nozzle of the aerosol product 1 for controlling flying insects is 29 μm or more. The aerosol product 1 for controlling flying insects is used outdoors.

An object is to provide a hydrofluoroolefin-based or hydrochlorofluoroolefin-based azeotropic or azeotropic-like composition. The azeotropic or azeotropic-like composition contains trans-1-chloro-3,3,3-trifluoropropene and 1-chloro-1,3,3,3-tetrafluoropropene. In the azeotropic or azeotropic-like composition, 1-chloro-1,3,3,3-tetrafluoropropene exists in an effective amount to form an azeotropic or azeotropic-like mixture with trans-1-chloro-3,3,3-trifluoropropene.

Disclosed herein is an anti-pathogenic aerosol composition comprising an alcohol selected from ethanol and isopropanol; an alkyldimethylbenzylammonium compound; polyhexanide; and water.

The invention provides an azeotrope-like composition containing (Z)-1-chloro-3, 3, 3-trifluoropropene and 1, 1, 1, 3, 3, 3-hexafluoroisopropyl methyl ether, an aerosol composition containing the azeotrope-like composition, a cleaning agent, a lubricant solution, a heat transfer medium, a preparation method of the composition, the composition, a cleaning method using the cleaning agent and a recovery method.