68results about How to "Does not produce ozone" patented technology

The invention belongs to the field of novel 3D printing materials and in particular belongs to the field of photosensitive resin. The photosensitive resin is prepared from the following components in percentage by weight: 5-80% of acrylic ester, 5-80% of epoxy resin, 0.5-8% of a radical initiator, 0.5-5% of a cationic initiator, 5-50% of a diluent and 0.5-5% of gas phase silicon dioxide. Flexural modulus and tensile modulus of the photosensitive resin reach over 2000Mpa; the photosensitive resin is high in capability of resisting bending deformation stress in an elastic limit, high in strength, low in possibility of deforming and high in mechanical strength; the service life is greatly prolonged; the volume shrinkage rate is about 1.0%; the ultralow volume shrinkage rate is achieved; the industrial use requirement can be met.

The invention relates to a novel spraying agent for reducing indoor haze, and an application thereof, and belongs to the technical field of air cleaning. The novel spraying agent for reducing indoor haze adopts a nitrogen-containing alkaloid plant extract product as a main active component, the main active component is compounded with polyvinylpyrrolidone and glycosaminoglycan, and a polyvinylpyrrolidone, glycosaminoglycan and deionized water mixture is wrapped into a respirable particle through the adsorption of the nitrogen-containing alkaloid, so the indoor haze concentration is effectively reduced. The spraying agent can be directly added into a sprayer and is used for indoor sprinkling to remove suspension particle dusts in air and reduce haze; and the spraying agent can be matched with an air conditioner to reduce indoor haze in order to reduce the indoor haze concentration and make indoor environment reach below third level in Technical Regulation on Ambient Air Quality Index HJ633-2012.

The invention discloses an ultraviolet-cured rotary silk-screen printing ink with LED as a light source. The ultraviolet-cured rotary silk-screen printing ink comprises, by weight, 5 to 30 parts of pigment, 40 to 60 parts of radiation-cured resin, 1 to 15 parts of a photoinitiator, 5 to 20 parts of an active diluent, 0 to 10 parts of a solvent and 3 to 8 parts of an auxiliary agent. Electric energy consumed in curing of a silk-screen printing ink composition provided by the invention is about 1/4 of electric energy consumed by a common ultraviolet lamp; emission of CO2 is substantially reduced; and ozone is not generated. The silk-screen printing ink composition provided by the invention has viscosity of 50 to 350 mpa.s, overcomes problems in drying of a thick ink layer under irradiation of a low-power ultraviolet lamp and realizes instant drying under the rotary silk-screen printing condition of a high speed of 40 to 200 m/min; moreover, bonding between an ink film and a substrate is firm, and after curing, , each performance index (adhesion, friction resistance, chemical resistance and the like) of the printing ink accords with requirements on printing of securities.

The invention discloses an active static anti-haze screen window. The window is composed of two outer metal filter screens, a built-in threadlike high voltage electrode layer and a high voltage direct current static generator circuit. Outdoor haze particles are effectively prevented from entering the interior through the coulomb force by means of the polarization and charging actions of a high voltage static field to small dust, and indoor air is purified. When in use, firstly, a high voltage direct current static generator power supply switch is turned on, the negative electrode of a high voltage output end is connected with the outer metal filter screens, the positive electrode of the high voltage output end is connected with a high voltage electrode terminal of the built-in threadlike high voltage electrode layer, and a high voltage symmetrical uneven static field is formed in the screen window; and then, the screen window is opened for ventilation, and the outdoor haze is blocked and the indoor air is purified in the flowing process of natural air. According to the active static anti-haze screen window, the overall structure is simple, and processing and manufacturing are easy; two gears are provided, the lower gear is used for blocking the outdoor haze, and no ozone is generated at the moment; and the higher gear is used for blocking the outdoor haze and can further purify the indoor air.

The invention provides a method for purifying air with high-energy ions, which comprises the following steps: (1) respectively collecting fresh air and odors; (2) filtering the fresh air and odors; (3) sending the filtered fresh air into an ion generator so as to prepare high-energy plasmas; (4) mixing: importing the odors along the horizontal direction and the high-energy plasmas along the vertical falling direction into a mixing chamber for mixing the odors with the high-energy plasmas; (5) reaction; and (6) discharging. The processes of the method are simple, the conditions are easily controlled and the operation is simple. By using the method for purifying air provided by the invention, the problem of safety accidents caused by the explosion because of the high-pressure spark released when the plasma generator works and the combustible gas contained in the odors is solved and the plasma generator is prevented from being corroded by the odors.

The invention relates to a pulsed light sterilizing device and a sterilizing method. The pulsed light sterilizing device comprises a protective cover, a cooling cover and a plurality of pulsed light lamps, wherein a cooling fan is mounted in the middle of the protective cover; the plurality of pulsed light lamps are distributed on the two sides of the cooling fan; each pulsed light lamp comprises a tube and a lamp cover; the tube is mounted in the arc lamp cover; xenon is loaded in the tube; electrodes are inserted into the two ends of the tube in a sealing manner; the pulsed light lamps are operated through laser current, so as to produce pulsed light; the single pulse duration is 0.2 s; the voltage input into the pulsed light lamps is 1200 to 2000 V after voltage transformation; the pulse frequency is 15 to 30 times per minute.

The invention relates to an LED light-curing flexible photosensitive resin for 3D printing, and a preparation method thereof. The resin includes, by mass, 30.0-60.0% of a photosensitive prepolymer resin, 3.0-10.0% of a nonreactive resin, 20.0-50.0% of a reactive diluent, 5.0-10.0% of a photoinitiator, 0.5-1.5% of a leveling agent and 0.3-1.5% of a polymerization inhibitor. The method includes thefollowing steps: adding the nonreactive resin and the photosensitive prepolymer resin to the reactive diluent, and then adding the initiator, the leveling agent and the polymerization inhibitor. The resin overcomes the shortcomings of existing photosensitive resins, such as poor flexibility, poor bending resistance and surface cracking under an extreme low temperature of -20 DEG C, can be formed by a Polyjet 3D printing technology and printer LED light-curing molding, and has the advantages of simple process, small environmental pollution, and rapidness in molding.

The invention discloses an unpowered portable negative-ion air purification method and belongs to the fields of air purification and building environment science. A negative ion purification technology is taken as a principle, a battery is used for driving a negative ion generator to generate a large number of negative ions, the negative ions are discharged into the air and are combined with the air to form negative oxygen ions, and various physical and chemical processes are generated to remove pollutant particles, so that a clean and healthy local microenvironment is created without fan power. The power suitable for battery usage and human body carriage is selected by checking the power, equipment is integrated and the battery is arranged to realize convenience in carrying. The whole set of method comprises the negative ion generator, the battery and a brush for releasing the negative ions. The method has the characteristics of no pollution, no mechanical power, no noise, high efficiency, convenience in carrying, generation of negative oxygen ions beneficial for human body health and the like. Through actual detection, PM2.5 can be reduced from 200mu g/m<3> to 35mu g/m<3> in ten minutes. Meanwhile, the set of method can be combined with different equipment and used in different places, the structure is simple and the price is low.

The invention relates to aqueous long-wave-ultraviolet-drying package printing ink, belonging to the field of printing inks. The ink can be initiated to be dried under the long-wave ultraviolet light of 395-405nm and is especially suitable for being dried by long-wave low-energy LED (Light Emitting Diode) ultraviolet light sources, no ozone is generated during printing, and the ink takes water and ethanol as solvents and contains aqueous UV-cured acrylic resin, a photoinitiator and assistants. The ink is high in drying speed, is safe and environment-friendly and can meet the printing requirements of printed objects made of paper and plastics.

The invention discloses an LED (light-emitting diode)-UV (ultraviolet) ink with special snow effects and a preparation method of the ink. The ink comprises, by weight, 27-52 parts of ultraviolet curable resin, 30-50 parts of activated diluents, 10-16 parts of photo-initiators, 0-10 parts of pigments, 3-8 parts of fillers and 1-2 parts of auxiliaries. The ink is cured and dried by an LED-UV light source, the wave band of the LED-UV light source can be 365nm, 375nm or 395nm, and curing power is higher than or equal to 8W/cm<2>. Compared with common UV ink, the ink has the advantages of high drying speed, good adhesive force, energy conservation, environmental protection and the like.

The invention relates to a water processor for clothes washing. The water processor is shaped like a hollow ball; multiple water processing stripes on which raised parts and hollow holes are arranged are disposed on the surface; a water inlet stripe is disposed at the center of the spherical surface of the water processor; and a filter ball is disposed inside. The filter ball is made of an anti-microbial ceramic material and a reduction anti-microbial material. Working principles of the water processor provided by the invention are different from working principles of an impeller washing machine and a roller washing machine; based on the high oxidation ability of ionized water, alkaline ionized water and dirt conduct a saponification reaction, so the dirt can be decomposed and stripped thoroughly; the cleaning rate is high; the dirt removal ability is high; and wear to clothes is slight. Alkaline ionized water generated during clothes washing can clean the clothes; all contact parts between a washing machine and the water can be cleaned; and sterilization effects are achieved during the cleaning, so bacteria breeding can be avoided. The water processor for the clothes washing provided by the invention has the same principles of an ozone washing machine; ozone is not generated; and ozone damage is avoided.

The invention relates to a brush-coating LED transparent primer, and a preparation method and application thereof, and belongs to the field of chemical coatings; the brush-coating LED transparent primer comprises the following components in parts by weight: 18-30 parts of amino acrylic resin, 30-20 parts of polyester acrylic resin, 3-5 parts of bifunctional aliphatic polyurethane acrylic resin, 0.3-1 part of a defoaming agent, 0.3-1 part of a dispersant, 25-40 parts of an acrylate monomer, 0.5-1 part of fumed silica, 5-15 parts of a photoinitiator, 3-5 parts of an acrylate monomer dissolved CAB solution, 0.5-1.5 parts of a polishing auxiliary agent, 0.05-0.15 part of a base material wetting agent, 0.05-0.15 part of a leveling agent and 0.1-0.3 part of an anti-settling auxiliary agent. Thepreparation method comprises the steps: stirring the amino acrylic resin, the polyester acrylic resin, the bifunctional aliphatic polyurethane acrylic resin, the defoaming agent, the dispersing agentand the photoinitiator; adding fumed silica and the polishing auxiliary agent for dispersion; and adding the rest raw materials and stirring at low speed. According to the invention, the problems of poor surface drying, easy sagging during brush-coating construction and the like caused by oxygen inhibition during brush-coating transparent primer curing are solved, and the environmental protectionproperty during painting is improved.

The invention particularly discloses a novel low-resistance high-efficiency air filter which comprises a frame body, corona electrodes arranged in the frame body in a front-back spaced mode in the air flowing direction, an electric charge electrostatic fiber layer, an electret electrode tightly attached to the electric charge electrostatic fiber layer and an earth electrode. The corona electrode is composed of a plurality of wires electrically connected with a power supply, and corona is generated when the corona electrode is electrified, so that dust particles in flowing air are negatively charged; the electret electrode continuously charges the electric charge electrostatic fiber layer when being electrified, so that the electric charge electrostatic fiber layer is continuously positively charged; the electric charge electrostatic fiber layer filters air through physical interception and electrostatic adsorption. The invention further discloses the purification air conditioner. The novel low-resistance high-efficiency air filter and the purification air conditioner thereof have the air filtering effects of low resistance, high efficiency, stable filtering performance and no generation of ozone, and are simple in structure, good in adaptability and convenient to install and maintain.

The invention relates to the technical field of curing, in particular to a UV LED (ultraviolet light-emitting diode) curing light for printing. The UV LED curing light for printing comprises a lamp cover; a substrate is arranged in the lamp cover; the substrate is provided with a plurality of ultraviolet lights; the ultraviolet lights are rhombic; four end points of each rhombic ultraviolet light are respectively provided with a UV LED chip. The UV LED curing light disclosed by the invention has the following advantages: 1, by adopting the rhombic ultraviolet lights with the UV LED chips, the parallel half angle of light source projection is less than 2 degrees, and the luminous intensity is more uniform; 2, compared with a traditional mercury light, the UV LED curing light has the advantages that the energy is saved by 80 percent, a light tube does not need to be replaced, and cooling water is not needed; the UV LED curing light can be turned on and off, and has no stand-by losses; 3, the UV LED curing light does not contain infrared rays, film expansion and contraction is avoided, and the image transfer quality is improved; 4, the UV LED curing light does not contain mercury, ozone cannot be generated, and the pollution is small; 5, the service life exceeds 10000 hours, and the property is stable.

The invention provides a vehicle-mounted hanging storage bag with an environmental protection function. In the interior of the new car, the air quality is not good at first. At present, there is no targeted technical means for removing air pollution in the car. The vehicle hanging storage bag with environmental protection function of the present invention. It has the function of air purification, and has the advantages of no electricity, no filter material, no ozone, no need to use activated carbon, no big fan, beautiful, practical, and no land occupation. It includes a hanging storage bag that matches the back position of the front seat of the crew member in the car. It is characterized in that the back of the main body of the hanging storage bag is compounded with a cavity composite structure; It is surrounded by a second support plate parallel to the back of the main board of the hanging storage bag (generally made of plastic, blanket, paper, cloth, wire mesh, etc.); the distance between the second support board and the back of the main board of the hanging storage bag is 0.5-10 cm; part or all of the back of the main board of the hanging storage bag and the front of the second support board are provided with a coating with negative ion powder. The coating with negative ion powder can generate a large amount of negative oxygen ions when the air passes through the purified air chamber composed of the back of the support device and the second support plate and the coating expansion device. And with the flow of air, negative oxygen ions are released into the space, and the negative oxygen ions can purify the air.

The invention discloses a UVLED light condensation method. The UVLED light condensation method comprises the following steps that light beams are subjected to initial energy concentration, and specifically, linear energy of UVLED lamp beads is controlled by adjusting the arrangement mode of the UVLED lamp beads which are subjected to one time of light distribution and have certain irradiation angles to achieve initial light beam energy concentration; light beams are shaped, specifically, the light beams subjected to initial concentration are shaped through a shaping lens, and then shaped light beams are output; and the light beams are further focused, and specifically, the shaped light beams are subjected to linear focusing through a condenser lens. The UVLED light condensation method is applied for light source design, in particular to light beam condensation design so that power consumption can be greatly reduced, the working life of equipment is long, heat productivity of a drying device can be reduced, no ozone is generated, instantaneous lamp turning-on and lamp turning-off can be achieved, energy source consumption can be reduced by 70-80%, the environment is protected, and energy is saved.

The invention discloses an offset printer with an enhanced drying system. The offset printer comprises a front paper conveying roller, a middle paper conveying roller, a coating disc, a coating disc roller, a measurement anilox roller, a glue coating roller, an impression roller, a paper collecting roller, a multi-layer paper collecting platform and the drying system; the drying system comprises a hot air drying device arranged in the paper collecting roller, and a UV drying device arranged between the paper collecting roller and the multi-layer paper collecting platform; the hot air drying device is a cross flow fan, and a shell of the hot air drying device is provided with a plurality of rows of air outlets; the UV drying device comprises a base, a cable and uniformly-distributed UVLED lamps; and a monitor and an adjuster are connected to the UV drying device. According to the offset printer with the enhanced drying system, drying is conducted through two modes of the hot air drying device and the UV drying device, the hot air drying device can reduce paper deformation while conducts drying, the UV drying device generates little heat and do not produce ozone, and in addition, the lamps can be turned on or off instantly; and the working efficiency is improved, and meanwhile, electric energy consumption is reduced.