37results about How to "With formaldehyde removal" patented technology

The invention discloses an air purifier with a gas exchange function and capable of treating formaldehyde and PM2.5 completely. The air purifier comprises nine passes of treatment facilities of a metal wire separation net or a plastic separation net, a rough non-woven film, a fine non-woven film, a coconut shell active carbon fiber film, a bamboo active carbon fiber film, a deep-frequency ultraviolet lamp, a nano-Pt/TiO2 ceramic honeycomb sieve plate net, a HIMOP fast purification ceramic particle interlayer and a ePTFE teflon non-woven multi-micropore composite film. Sensors are further arranged at an air inlet and an air outlet of the air purifier correspondingly. According to the air purifier, the nine passes of filter screens and filter materials are adopted for purification treatment, and thus dust and pollen in air, germs, chemical pollutants, PM2.5 particulates and other various air pollutants can be treated.

The invention discloses a door and window sealing material which is prepared from the following raw materials in parts by weight: 30 to 50 parts of PVC resin, 15 to 25 parts of epoxy resin, 5 to 13 parts of polyisobutene, 2 to 8 parts of fumed silica, 7 to 18 parts of dibutyl phthalate, 5 to 10 parts of filler, 2 to 4 parts of paraffin, 1 to 2 parts of magnesium oxide, 3 to 5 parts of zinc oxide, 1.5 to 2.5 parts of ultraviolet absorbent, 0.1 to 0.5 part of light stabilizer, 0.3 to 0.7 part of stearic acid, 0.2 to 0.6 part of carbon black, 0.5 to 4 parts of titanium dioxide and 0.2 to 3 parts of photocatalyst. The door and window sealing material has no toxicity or odor, has good high temperature resistance, good low temperature resistance and excellent sound insulation effect and has functions of removing formaldehyde, deodorizing, resisting pollution, purifying air and the like.

The invention provides an air purifying filter net having formaldehyde-removing and antimicrobial functions. The filter net comprises a paper honeycomb carrier on which a chemical reagent is arranged, wherein the chemical regent is prepared from the following components in parts by mass: 12 parts of absolute ethyl alcohol, 70 parts of TiO2, 12 parts of wood carbon powder and 6 parts of photocatalyst powder. A preparation method of the chemical reagent comprises the following steps: putting the 12 parts of absolute ethyl alcohol into a container first; then adding the 70 parts of TiO2, the 12 parts of wood carbon powder and the 6 parts of photocatalyst powder inside the container, and uniformly stirring, wherein the specification of the wood carbon powder is 200 meshes and the specification of the photocatalyst is 20nm. The invention further provides a preparation method of the filter net. The air purifying filter net has the formaldehyde-removing and antimicrobial capabilities, and is non-toxic in use, high in safety, good in stability, fast to take effect, low in maintenance cost and low in energy consumption. After testing, the filter net provided by the invention can adsorb 94.7 percent of formaldehyde and achieve an antimicrobial effect of 99.85 percent.

An ultraviolet sterilization device comprises a base, a lamp tube body is rotationally arranged above the base, an LED light source used for emitting visible ultraviolet light beams is arranged in thelamp tube body, and a rotation driving mechanism used for driving the lamp tube body to automatically rotate by 360 degrees is arranged in the base; the lamp tube body is provided with a safety control device used for controlling the LED light source to automatically start and stop and preventing visible ultraviolet light beams emitted by the LED light source from irradiating a human body. Visible ultraviolet light beams emitted by the LED light source can inhibit bacteria and sterilize the interior of a room, the interior of the room can be comprehensively scanned and sterilized, the irradiation range is widened, then the sterilization work efficiency is improved, a strong catalytic degradation function can be generated when the ultraviolet light beams irradiate a photocatalyst layer, soas to effectively degrade toxic and harmful gas in air, effectively kill various bacteria and decompose and innocuously treat toxins released by the bacteria or fungi, and meanwhile the device has the functions of removing formaldehyde, deodorizing, resisting pollution, purifying air and the like.

The invention discloses an air purifier with cooling and humidifying functions. The air purifier comprises a box body. An air outlet is formed in the upper end of the box body. An air inlet is formed in the lower end of the box body. A fiber filter screen is arranged on the air inlet. An exhaust fan is arranged on the portion, located on the inner side of the fiber filter screen, of the air inlet. An HEPA filter screen layer and an active carbon filter screen layer are arranged in the middle of the inner side of the box body. The HEPA filter screen layer is arranged on the lower side of the active carbon filter screen layer. The active carbon filter screen layer is coated with a photocatalyst. An ultraviolet lamp is arranged on the upper side of the active carbon filter screen layer. A water tank is arranged on the upper side of the ultraviolet lamp. A wet film is arranged at the upper end of the water tank. A water pump is arranged in the water tank, and water is added to the wet film through the water pump. A refrigerator is arranged between the water tank and the ultraviolet lamp. The purified air is cooled firstly and thereafter wetted before being exhausted through the air outlet. The active carbon filter screen is coated with the photocatalyst. Toxic and hazardous gas in the air can be degraded effectively by the photocatalyst under the irradiation of the ultraviolet lamp, and bacteria in the air can be killed effectively.

The invention discloses an electric curtain capable of purifying indoor air. The electric curtain comprises a shell. A case is fixedly arranged on one side of the shell. Two first bearings are fixedlyarranged in the shell. A cloth winding shaft is arranged between the first bearings in a penetrating manner. Curtain cloth is wound on the cloth winding shaft. A cloth outlet hole is formed in the lower portion of the shell. The end, away from the cloth winding shaft, of the curtain cloth penetrates through the cloth outlet hole. A balancing weight is fixedly arranged at the end, located outsidethe shell, of the curtain cloth. A first chain wheel is fixedly arranged at one end of the cloth winding shaft. A motor is fixedly arranged in the case. A second chain wheel is arranged at the outputend of the motor. A through hole is arranged between the shell and the case. The first chain wheel and the second chain wheel are connected through a chain. The indoor air can be exchanged with outside air, and therefore the electric curtain can be suitable for indoor air exchange under the condition that a window is inconvenient to open; and meanwhile, the curtain can be automatically opened andclosed, and manpower can be saved.

The invention discloses a dehumidification and cooling air purifier. The dehumidification and cooling air purifier comprises a box. An air outlet is formed in the upper end of the box, an air inlet is formed in the lower end of the box, and the air inlet is provided with a fiber filter net. An HEPA filter net layer and an activated carbon filter net layer are arranged at the middle portion of the inner side of the box. The HEPA filter net layer is arranged on the lower side of the activated carbon filter net layer. The activated carbon filter net layer is coated with photocatalyst. The upper side of the activated carbon filter net layer is provided with an ultraviolet lamp, a cooler is arranged on the upper side of the ultraviolet lamp, an air flue is connected between the air inlet and the HEPA filter net layer, and a dehumidifier and an exhaust fan are arranged in the air flue. The activated carbon filter net layer is coated with the photocatalyst, and the photocatalyst can effectively degrade harmful gases in air and effectively kill out bacteria in air under irradiation of the ultraviolet lamp; the dehumidifier is arranged at the front end and can well remove water in air; and the arranged cooler can well reduce the temperature of air, and air getting out of the dehumidification and cooling air purifier is dry and cool.

The invention discloses formaldehyde removal cleaning liquid, which is prepared from environment-friendly raw materials through compounding. Formaldehyde remained in fabrics can be effectively removed; the three efficacies of formaldehyde removal, sterilization and decontamination can be achieved; the formaldehyde removal cleaning liquid is mild and inirritative on the skin. The formaldehyde removal cleaning liquid is prepared from 0.5 to 50 percent of formaldehyde removers, 0.5 to 10 percent of surfactants, 1 to 10 percent of penetrating agents, 0.5 to 10 percent of stabilizing agents, 10 to50 percent of ethyl alcohol, essence and water. After the clothes being washed by using the formaldehyde removal cleaning liquid, the purification efficiency of formaldehyde on the clothes is as highas 95 percent or higher; the formaldehyde residue quantity can reach national standard requirements.

The invention relates to the field of filtering materials, and discloses a filtering material capable of releasing ecological negative ions and a preparation method thereof. A main body of the filtering material is an air or water body filtering substrate which is loaded with nanometer negative ion powder and is made of a macromolecular material. The preparation method comprises the following steps of (1) mixing negative ion powder, an inorganic dispersant and deionized water, and grinding at high speed, so as to obtain stable dispersing liquid containing the nanometer negative ion powder; (2)adding the stable dispersing liquid into a water-based adhesive, stirring at high speed, and emulsifying, so as to obtain an opened-pore water-based adhesive emulsion containing the nanometer negative ion powder; (3) adopting a gap type spot-spray flow technology, and performing scattering type spot-spray flow operation on the filtering substrate multiple times, so as to obtain the filtering substrate loaded with the nanometer negative ion powder; (4) curing the filtering substrate, so as to obtain the filtering material. The filtering material has the advantages that the immobilizing property is efficient, the load is not liable to fall off, and the release amount of ecological negative oxygen ions can reach 25000 per square centimeter.

The invention discloses a preparation method of a fruit and vegetable agriculture remanet removing agent. The preparation method comprises the following steps: 1) weighing small molecular water electrolysis, putting into a stirrer, and starting the stirrer; 2) adding KOH, uniformly stirring, and cooling to room temperature; 3) adding KCO3, and uniformly stirring; and 4) adding detoxification enzyme, and uniformly stirring, wherein the fruit and vegetable agriculture remanet removing agent is prepared from the following raw materials in percentage by weight: 5 percent of detoxification enzyme, 0.3-1 percent of KOH, 1 percent of KCO3 and 93-93.7 percent of small molecular water electrolysis. According to the preparation method disclosed by the invention, the small molecular water electrolysis is a natural nonionic surfactant, is colorless and tasteless, does not have foams and contain any surfactant, promoter and other harmful chemical substances, so that the worry of people that residues are generated as a cleaning product contains chemical promoters is exempted, and the fruit and vegetable agriculture remanet removing agent has the functions of strong decontamination ability, high bactericidal efficiency, removing peculiar smell, agriculture remanet and formaldehyde and the like.

The invention discloses a car cabin decorating plate with an air purification function. The car cabin decorating plate at least comprises a flame-retardant fabric layer (1), a sterilizing, filtering and purifying layer (2), a hot-melt adhesive film (3) and a non-woven fabric layer (4). The filtering and purifying layer (2) is located between the flame-retardant fabric layer (1) and the hot-melt adhesive film (3). The non-woven fabric layer (4) serves as a base plate and is located at the bottom of the hot-melt adhesive film (3). The sterilizing, filtering and purifying layer (2) is manufactured with polypropylene (PP) resin, polyethylene (PE) resin and an inorganic nanometer sterilizing and purifying solution in a processed mode. The decorating material plate can be applied to decorating materials in a car cabin, can improve and purify air in a car all the time, has a sterilizing effect, is a colorless, tasteless and environment-friendly product free from toxicity, irritation, corrosion and pollution, has good formaldehyde removing, anti-bacterial and sterilizing effects, and is good in stability and low in cost price.

The invention discloses a water dispenser with sterilizing and air purifying functions. The water dispenser with sterilizing and air purifying functions comprises a box body, wherein a smart seat is arranged at the upper end of the box body; a water storage tank is arranged on the lower side of the smart seat; the lower side of the water storage tank is connected with a hot water liner and a cold water liner; an air inlet is formed in the lower end of the box body; an air outlet is formed in the middle of the box body; an HEPA filter screen layer and an activated carbon filter screen layer are arranged between the air inlet and the air outlet; the HEPA filter screen layer is arranged on the lower side of the activated carbon filter screen layer; a photocatalyst coats the activated carbon filter screen layer; an ultraviolet lamp is arranged on the upper side of the activated carbon filter screen layer; an electric field is generated between a first electrode and a second electrode; water is sterilized through the electric field; the sterilizing effect is good; persons can drink water trustingly; the photocatalyst coats the activated carbon filter screen layer; and the photocatalyst is irradiated by the ultraviolet lamp, so that toxic and harmful gas in air can be degraded, and bacteria in the air can be killed.

The invention discloses a graphene composite antibacterial and antiviral polypropylene filament and a preparation method thereof. The graphene composite antibacterial and antiviral polypropylene filament comprises the following raw materials by mass percentage: 90-95% of propylene monomer, 0.1-9% of graphene material, 0.1-5% of first modifier, 0.1-5% of second modifier and 0.1-1% of catalysts. Theinvention also provides a preparation method of the graphene composite antibacterial and antiviral polypropylene filament. According to the invention, modified graphene polypropylene filament fiberswith antibacterial, antiviral and formaldehyde removal functions can be prepared, the added value of the polypropylene fibers is improved, and the application range of the polypropylene fibers is extended; and graphene in the prepared in-situ polymerized modified graphene polypropylene filament fibers is uniformly dispersed and is not easy to fall off, so that the functions are long-lasting, the performance is excellent, and the graphene composite antibacterial and antiviral polypropylene filament can meet the current market requirements for functionalized graphene polypropylene filament fibers, and has broad application prospects.

The invention discloses a simple type household air purification device. The simple type household air purification device comprises a machine body, an HEPA filter screen and a negative ion generator;a solar cell panel is arranged at the upper end of the machine body, and a carrying handle is arranged at the upper end of the solar cell panel; the HEPA filter screen is arranged in the machine body, and an activated carbon adsorbing net is arranged on one side of the HEPA filter screen; the negative ion generator is arranged on one side of the activated carbon adsorbing net; a photocatalyst netis arranged on one side of the negative ion generator; a base is arranged at the lower end of the machine body; universal self-locking wheels are arranged at the bottom of the base; a dust collectingbox is arranged in the base, and the bottom of the dust collecting box is connected with a dust sucking port; a loudspeaker is arranged on one side of the machine body; due to the arrangement of thenegative ion generator, negative ion flow generated by the negative ion generator adsorbs suspended particulate matter with positive charges in air, so that the particulate matter is ceaselessly accumulated and becomes heavy, and then breaks away from a gas dissolved state for settlement; and due to the arrangement of the dust sucking port, dust on the ground can be sucked into the dust collectingbox.

The invention belongs to the field of decorative materials and in particular relates to a multifunctional composite decorative material. According to the technical scheme, the composite decorative material comprises four layers which are sequentially a non-woven layer, a PVC (Polyvinyl Chloride) paste resin layer, a rolling material layer and an ultra-thin carbon nanotube coating. The four-layer structure is creatively used, and the invention provides a wall space composite decorative material with the advantages of being attractive in visual appearance, convenient to print, safe, non-toxic, high in strength, scratch-resistant, washable, aging-resistant, fireproof, waterproof, mildew-proof, crack-proof, convenient in construction and excellent in decorative effect.

The invention relates to a multifunctional indoor air purifier which comprises a box, an air quality monitoring module and an air purification module, wherein the air quality monitoring module and theair purification module are mounted in the box. An air inlet is formed in the lower end of the box, an air outlet is formed in the upper end of the box, the air quality monitoring module is arrangedon the side with the air inlet, the air purification module is arranged in the space between the air quality monitoring module and the air outlet and comprises an air treatment layer, a spray box andan ultrasonic atomizer, the air treatment layer is integrally mounted in the middle of the box, so that the box is divided into upper space and lower space, the ultrasonic atomizer is mounted in the upper space, the spray box is mounted in the lower space, the ultrasonic atomizer is communicated with the spray box through a water conveying pipe. The multifunctional indoor air purifier can simultaneously and efficiently remove particle pollutants, gas pollutants and microbiological contaminants, has the functions of removing formaldehyde and odor, resisting stain and purifying air and is novelin design, simple in structure, multifunctional and convenient to popularize.

The invention discloses a lamp surface treating agent for removing peculiar smell in a refrigerator and a preparation method of the lamp surface treating agent. The lamp surface treating agent for removing the peculiar smell in the refrigerator is prepared from 5%-10% of cyclodextrin, 2%-5% of N,N-dimethylformamide, 1%-3% of nanometer titania, 2%-4% of a dispersing agent, 1%-2% of water-based nanometer aluminium oxide, 10%-15% of aloe extract, 6%-8% of cactus extract and the balance water. By means of the lamp surface treating agent, the peculiar smell in the refrigerator can be removed, and meanwhile the bactericidal function is achieved. The treating agent is colorless and free of toxicity, the peculiar smell is efficiently decomposed, the adsorption speed is high, the adsorption quantity is large, psychorphile can be killed rapidly, the antiseptic and antistaling effects on foods stored in the refrigerator are achieved, the preparation method is simple and practical, and the lamp surface treating agent is suitable for lamp surface treatment of refrigerators, microwave ovens and the like and has a very good application prospect.

The invention discloses a preparation method of a natural polymer modified functional air filtering material. The method comprises the following steps: dispersing water-soluble chitosan in distilled water, and stirring and dissolving under the condition of water bath heating to obtain a colloidal chitosan adhesive; uniformly smearing the prepared chitosan adhesive on the surface of base cloth of non-woven fabric, and standing to enable the chitosan adhesive to soak the base cloth; and then drying the soaked base cloth. The invention also discloses a natural polymer modified functional air filtering material which is a functional air filtering material prepared from non-woven fabric and has the characteristics of removing bacteria and formaldehyde and being small in gas passing resistance.The preparation method disclosed by the invention is simple and easy to implement and low in cost and has the potential of large-scale popularization.

The invention discloses an anti-mold rubber special for a washing machine, belonging to the field of rubber materials. The anti-mold rubber includes, by weight parts, a rubber base layer, wherein therubber base layer includes, by weight parts, 50-80 parts of emulsion polystyrene-butadiene rubber, 120-150 parts of ethylene propylene rubber, 80-90 parts of nitrile rubber, 20-26 parts of white carbon black, 10-15 parts of sodium pentachlorophenate, 5-7 parts of graphene, 3-5 parts of polytetrafluoroethylene, 10-12 parts of ziram, 2-8 parts of plasticizer, 3-5 parts of vulcanizing agent, and 1-3parts of anti-scorching agent. The anti-mold rubber special for the washing machine improves water resistance and anti-mold property, and the service life of the rubber is greatly prolonged.

The invention discloses an antibacterial, antiviral, anti-formaldehyde and stain-resistant interior wall full batch powder, and a preparation method thereof. The antibacterial, antiviral, anti-formaldehyde and stain-resistant interior wall full batch powder comprises a full-batch powder main material and a water-based coating; the water-based coating is prepared from a component A and a componentB. The component A comprises water-based hydroxyl acrylic resin, water-based functional titanium dioxide slurry, a mildew-proof bactericide, water and the like, and the component B is hydrophilic aliphatic isocyanate. The full-batch powder main material comprises ash calcium, coarse whiting, cement, deionized water and the like. The preparation method comprises the following steps: preparing the full-batch powder main material, preparing the water-based coating and the like. The surface of the full-batch powder main material is coated with the water-based coating in a spraying or brushing mode, and natural drying is conducted. According to the invention, formaldehyde and indoor VOC are degraded into water and carbon dioxide with the multifunctional water-based coating and a photocatalyst,secondary release does not exist, the coating is high in hardness, cracking and powder falling are avoided after scratching, and a coating layer has good waterproof and mildew-resistant capacity.