51 results about "Ultraviolet" patented technology

The invention relates to an ultraviolet-curable water-based colored paint composition which comprises water-based oligomer containing at least one unsaturated double bond, a water-based medium, a photoinitiator, an optional water-based thermoplastic resin and pigments. The water-based paint composition provided by the invention can be used for obtaining a high-performance coating with abundant colors in a one-time construction mode. Compared with the traditional two-layer or three-layer application mode, the invention enhances the production efficiency, reduces the energy dissipation, lowers the preparation cost, and has the advantages of less waste generation, low content of volatile organic compounds, and low environmental pollution.

The invention provides an asphalt modified thermoplastic polyolefin water-proof coiled material and a preparation method thereof; the coiled material is characterized by consisting of an upper surface layer, a main body layer and a reinforcing layer; the upper surface layer is made from white or colored thermoplastic polyolefin with excellent ultraviolet radiation resistance, the main body layer is made from black asphalt modified thermoplastic polyolefin, and the reinforcing layer consists of a middle reinforcing layer and a surface lining layer which are arranged as required. The asphalt modified thermoplastic polyolefin water-proof coiled material has the advantages of good processing property, excellent mechanical property, high tension strength, good dimensional stability, strong puncture resistance, good ultraviolet radiation resistance, small specific gravity, capacity of realizing convenient seam suturing welding of the main body and recoverable tailing and excessive materials, and the like.

The invention relates to a manufacturing method of an alignment film, comprising the following steps that an alignment material with an ultraviolet ray reaction functional group is formed on a substrate; the alignment material on the substrate is pre-baked; an ultraviolet ray polaroid is provided arranged on the substrate; the pre-baked alignment material is aligned so as to cause irradiate the ultraviolet rays to irradiate on the substrate; the ultraviolet rays penetrates the ultraviolet ray Polaroid polaroid and irradiates to the pre-baked alignment material; and the alignment material which is aligned is baked so as to completely solidify the alignment material. By the manufacturing method disclosed by the invention, uneven alignment and dark-state light leakage can be reduced, a relative good process yield is provided, and an effect of wide viewing angle can be achieved.

The invention belongs to the field of inorganic/polymer optic nano composites and particularly relates to a transparent high-refractivity graphene quantum-dot/polymer nano composite film and a preparation method thereof. The composite film is formed by graphene quantum-dot and polymer through ultraviolet curing and thermocuring. Before curing, in each 1mL of polymer monomer, the content of graphene quantum-dot is 0.1-1g. The graphene quantum dots (GQDs) is used as inorganic nano phase, the polymer monomer is used as solvent, the GQDs is synthetized in the polymer monomer by the solvothermal method and then are directly cured to be film by filtering, spraying coating, adding trigger, and double treatment of ultraviolet curing and thermocuring. The transmissivity of the transparent high-refractivity graphene quantum-dot/polymer nano composite film prepared by the film materials ranges from 80% to 95%, refractivity ranges from 1.5 to 2.8, and the transparent high-refractivity graphene quantum-dot/polymer nano composite film can be applied to antireflection coating, optical waveguide materials, optical lenses and other photoelectric fields.

The invention discloses preparation of fluorogold nano-clusters and application of the fluorogold nano-clusters to tetracycline and copper fluorescent probes. The fluorogold nano-clusters (Au NCs) aresynthesized with a one-step method from casein separated from milk and carbon quantum dots as a stabilizer and a reducer for synthesis of the Au NCs. The Au NCs perform emission three times at 433 nm, 702 nm and 1052 nm under the excitation wavelength of 350 nm, tetracycline has a linear quenching effect at 702 nm, Cu<2+> is added to an Au NCs system after quenching, fluorescence recovers, and fluorescence intensity at 1052 nm is almost not affected in the overall process; tetracycline is added to the Au NCs, observation is carried out under a UV (ultraviolet) lamp with wavelength of 365 nm,red fluorescence of the Au NCs changes into yellow fluorescence, and after addition of Cu<2+>, the yellow fluorescence disappears gradually and the red fluorescence recovers gradually. Therefore, a near-infrared ratio fluorescence switch for tetracycline and Cu<2+> and UV visual dual-signal detection are established. The method has the advantages of adopting a fluorescence spectrum in a near infrared region and being small in interference, high in specificity and detection sensitivity, convenient to operate and capable of detecting tetracycline and Cu<2+> simultaneously.

The invention relates to ultraviolet (UV) gloss oil. The UV gloss oil is prepared by stirring and mixing the following components in percent by weight: 40 to 50 percent of epoxy UV resin, 10 to 12 percent of amine functional monomer, 2 to 4 percent of active diluting agent, 10 to 18 percent of photoinitiator, 1 to 3 percent of trimethylol propane triacrylate, 6 to 15 percent of acrylic resin, 6 to 8 percent of tackifier, 3 to 5 percent of lubrication leveling agent, 0.3 to 0.5 percent of defoaming agent, 2 to 4 percent of wear-resisting assistant, and 10 to 25 percent of mixing solvent. The invention also relates to a preparation method for the UV gloss oil. The UV gloss oil provided by the invention has various excellent performance, excellent binding performance with printing ink, the characteristics of high glossiness, high leveling property, little odor, high wearing resistance and the like; and moreover, the UV gloss oil provided by the invention only needs one process when used in UV glazing, a priming step is omitted, the operating cost is saved, and the work efficiency is improved.

The invention provides a weather-resistant paint for outdoor tent support bars, which is prepared from the following components in parts by weight: 40-60 parts of epoxy resin, 5-15 parts of pigment, 5-10 parts of filler, 1-2 parts of dispersing agent, 1-2 parts of leveling agent, 1-2 parts of rust inhibitor, 1-2 parts of defoaming agent, 1-2 parts of drying agent, 1-2 parts of plasticizer, 1-2 parts of film formation assistant, 30 parts of acetone and 70 parts of water. The paint has the advantages of abundant raw material sources and low cost; and by matching various auxiliary materials with the main materials, all the components interact and are coordinated, so that the thermal-insulation paint has the characteristics of highlight irradiation resistance, aging resistance, rain water corrosion resistance, skid prevention and the like, and especially has excellent ultraviolet resistance and thermal-insulation property.

An inkjet head assembly and a printing method using the same. The inkjet head assembly includes an ultraviolet (UV) emitting unit to emit UV light, and a printhead to move together with the UV emitting unit and to eject ink through nozzles using inkjet technology.

The invention discloses a formula and a production method of a varnish, especially a varnish applied on objects used outdoors. With the varnish, the objects can be prevented from discoloration caused by sunlight ultraviolet irradiation. The invention aims at providing the anti-violet varnish preventing bottom-layer discoloration, and a preparation method thereof. With the varnish, bottom-layer color of a coated object can maintain unchanged after the object is irradiated by ultraviolet outdoors for a long time. According to the invention, main film-forming substances comprise silicone-modified acrylic resin in cooperation with an aliphatic polyurethane curing agent, such that a system is provided with excellent weatherability and chemical resistance. Under dual effects of a light stabilizer and a nano additive, a varnish film can effectively absorb ultraviolet with different wavelengths for a long time, and a bottom material can be prevented from discoloration caused by ultraviolet irradiation. The varnish is widely applied on outdoor objects such as buildings and ornamental objects in parks, squares, and the like.

The present invention is a method of producing a (meth)acrylic acid based water-soluble polymer having a content of groups in neutralized state of not more than 90 mole percent, where the sum total of acid groups and groups in neutralized state contained in the (meth)acrylic acid based water-soluble polymer is taken as 100 mole percent, which comprises a photopolymerization step of polymerizing a monomer component by irradiating near-ultraviolet rays to a reaction mixture, the said reaction mixture comprising the monomer component, a photopolymerization initiator, a chain transfer agent and a polymerization solvent, the said monomer component containing not less than 50 mole percent of a (meth)acrylic acid monomer, with the whole monomer component subjected to polymerization being taken as 100 mole percent, and a concentration of the said monomer component in the reaction mixture at the time of polymerization being 40 to 97% by mass.

The invention relates to novel magnesium oxysulfate cement-based fireproof coating. The fireproof coating is hysteretic in foaming after coating. The surface drying time of the fireproof coating is 80-360 minutes, the fire-resistant time of the fireproof coating is 120-160 minutes, the softening coefficient of the fireproof coating is 0.8-0.9, and the heat conductivity coefficient of the fireproofcoating is 0.08-0.20W/m<2>*K. The fireproof coating comprises, by weight, 30-60 parts of low-grade light calcined magnesium oxide powder, 10-30 parts of light aggregate, 15-30 parts of magnesium sulfate heptahydrate powder, 0.1-1 part of waterproof agent, 0.1-1 part of fiber, 0.1-10 parts of early strength agent, 1-5 parts of active metal foaming agent and the balance water. The novel magnesium oxysulfate cement-based fireproof coating has the advantages that the fireproof coating is low in heat conductivity coefficient, good in thermal stability, capable of preventing foam generated by physical and chemical foaming from breaking during spraying by using the hysteretic foaming technology and uniform in quality; the fireproof coating is good in corrosion resistance, high in safety performance, stable in quality, good in water resistance and high temperature resistance, good in ultraviolet resistance, long in service life and capable of satisfying safety fireproof requirements.

The invention relates to a water purification system for aquiculture and relates to the technical field of water treatment and purification. According to the water purification system for aquiculture, a culture pond, a water pump, a filter device, a precision filter and an ultraviolet (UV) sterilization device form a circulation loop through a pipeline, wherein the filter device consists of a cylindrical settling tank of which the bottom has a shape of an elliptical head and a plurality of filter tanks, which are arranged adjacent to each other in turn, a water body flow direction is formed, and filter cotton is arranged between the settling tank and the filter tanks; the UV sterilization device comprises two annular pipelines and a plurality of circular tubes which are arranged between the two annular pipelines; two ends of the circular tubes are communicated with the annular pipelines through pipelines; UV sterilization lamp tubes and protective tubes are arranged in the circular tubes; the UV sterilization lamp tubes are arranged in the protective tubes; and two ends of the UV sterilization lamp tubes and the protective tubes are fixed through end covers. The water purification system for aquiculture has a wide application range, and large-particle substances, bacteria, excrement and other dirt in the water are effectively settled and filtered; and moreover, physical and chemical conditions for aquatic water are stable, and the efficiency for water treatment is high.

The present invention relates to an optical fiber and an optical cable which can be used for a long term even under environments in which an oil content migrates into them, and the optical fiber has a glass fiber extending along a predetermined axis, and a coating. The coating is composed of a plurality of layers each of which is comprised of an ultraviolet curable resin or a thermosetting resin, and swelling rates of the respective coating layers are set so that they increase from an outer peripheral surface of the glass fiber to an outer peripheral surface of the cable jacket.

The invention relates to the technical field of polymer materials, and concretely relates to a high-rigidity and high-toughness resin material for clothing buttons. The resin material includes unsaturated polyester resin, styrene, acrylate, rigid toughened mother powder, polyamide wax, a pearlescent pigment, an ultraviolet absorber, a promoter, an initiator and an antioxidant, wherein the rigid toughened mother powder is a special high-hardness elastomer material; the ultraviolet absorber is one of an ultraviolet absorber UV-327, an ultraviolet absorber UV-P and an ultraviolet absorber UV-9; the promoter is cobalt isooctylate or cobalt naphthenate; the initiator is methyl ethyl ketone peroxide; and the antioxidant is an antioxidant 1076, an antioxidant 164 or an antioxidant TNP. The buttons made of the resin material have the advantages of high toughness, difficulty in fracture, good rigidity and outstanding impact resistance.

The invention discloses a vehicle overpressure and negative pressure filtering and purifying comprehensive protection system, realizing the overpressure protection of carriage and negative pressure protection of carriage van-type vehicle, which comprises an overpressure protection device, a negative pressure protection device and a protection control device; the overpressure protection device is fixed in a compartment at left-front part of carriage, which comprises a fan, a filter absorber, a collecting tank, a cab blast pipe, a carriage blast pipe and an air volume adjusting valve; the negative pressure protection device is fixed on the floor of the carriage, which comprises a casing, a second high efficient filter, a high efficient filter, a centrifugal fan, an electric butterfly valve, an air exhausting flange, an ultraviolet lamp and a protective gate. The vehicle overpressure and negative pressure filtering and purifying comprehensive protection system has the advantages that the van-type vehicle can safely pass though biologic pollution area, and protect the environment on the way from pollution when biologic pollution sick and wounded or biologic pollutant are conveyed.

The invention discloses UV (ultraviolet)-highly-clean curtaining finish, which comprises the components by weight percentage as follows: 35-45% of 100% UV resin, 0.3-0.5% of defoamer, 1-2% of dispersant, 4-7% of initiator, 0.2-0.5% of flatting agent, 0.5-1% of antireflection agent and the balance of monomer. The 100% UV resin is trifunctional polyurethane acrylate resin or difunctional epoxyacrylate resin or a mixture of the trifunctional polyurethane acrylate resin and the difunctional epoxyacrylate resin. The monomer is acrylics, modified acrylics or mixtures of the acrylics and the modified acrylics. The antireflection agent is an alkylammonium salt and a special radical modified polysiloxane copolymer solution. The UV-highly-clean curtaining finish is high in clearness, and good in transparency, and has high brightness and smoothness and strong stereoscopic sensation, and a curtain is fully transparent. The paint film structure formed is good in flexibility and scratching resistance, and applicable for wood products such as wood furniture and wood floors.

The invention discloses a side light-emitting deep ultraviolet LED packaging bracket and a production process thereof, the production process includes forming aluminum nitride slurry, injecting it into a base layer mold to form an aluminum nitride base layer; forming a metal layer on the surface of the aluminum nitride base layer; arranging a metal electrode block in a preset electrode region on the metal layer; covering layer of aluminum nitride paste on the metal layer to form an aluminum nitride substrate embryo body; The aluminum nitride substrate embryo is sintered and annealed at high temperature to form an aluminum nitride ceramic structure; The aluminum nitride ceramic structure is laser drilled in each die bonding region on the first surface on the side of the second enclosure damto form a hole from the first surface to the metal layer, and the hole is filled with a metal material; A circuit is formed by photolithography on the first surface according to a preset circuit, anda plurality of independent aluminum nitride ceramic supports are formed after cutting. By the invention, the deep ultraviolet LED lateral light emission can be realized.

The invention relates to an ultraviolet-proof anhydrous automobile-washing agent and a preparation method thereof and belongs to the field of material cleaning. The ultraviolet-proof anhydrous automobile-washing agent provided by the invention is prepared from the following raw materials in parts by weight: 15%-20% of dodecyl dimethyl benzyl ammonium chloride, 5%-10% of positive ion silicon oil, 10%-15% of fatty alcohol-polyoxyethylene ether, 15%-20% of sorbitol polyoxyethylene ether laurate, 5% of cetyl trimethyl ammonium bromide, 3% of suspending agent, 3% of water-borne wax, 3% of ethylene glycol tert-butyl ether, 30%-35% of ionized water, 2% of titanium dioxide, 2% of salicylic acid and 2% of essence. The ultraviolet-proof anhydrous automobile-washing agent provided by the invention can achieve the four-in-one purpose of cleaning, polishing, waxing and curing without using water and has excellent cleaning, curing and ultraviolet-proof effects.

The invention relates to high-weatherability anti-corrosive paint, which is mainly applied to an iron tower assembly. Raw materials of the paint mainly comprise organic silicon resin and fluorine or fluorine surface active agents. The iron tower assembly comprises an assembly body, wherein a zinc-containing layer and a composite layer are arranged outside the body, and the composite layer comprises organic silicon resin mixed with the fluorine or the fluorine surface active agents, i.e. the composite layer is the high-weatherability anti-corrosive paint. The high-weatherability anti-corrosive paint and the iron tower assembly disclosed by the invention are characterized in that the paint is applied to the outer surface coating of steel (iron) materials, because the organic silicon rein and the fluorine or the fluorine surface active agents are adopted as major parts of the raw materials, the ultravioresistant capability is greatly improved, in addition, the attaching force is good, the waterproof capability is good, and the iron tower assembly is difficult to age and corrode and has strong impact-resistance capability in outdoor use environment for a long time.

The invention discloses a processing method for enhancing aroma of fruit baijiu. The processing method comprises the following steps: carrying out synergistic treatment on fruit dry wine by adopting ultrasonic waves and ultraviolet rays, thus obtaining treated liquid; carrying out headspace solid-phase extraction on the obtained treated liquid, thus obtaining aroma substances, carrying out cooling, and carrying out sealed storage; carrying out pulsed electric field treatment on the raffinate after extraction, and carrying out distillation, thus obtaining base wine; and finally, adding the stored aroma substances into the obtained base wine, and carrying out low-temperature ageing, thus obtaining the fruit baijiu. The fruit baijiu obtained by adopting the processing method is rich in fruity aroma, rich in esters, refreshing ad smooth in mouthfeel, and low in content of fusel oil, and the effects of alcohol can not move to the head after a person drinks much fruit baijiu. The processing method has the advantages that the process is simple, and the cost is low.

The invention relates to the technical field of chain teeth and in particular relates to a transparent flashing polyester chain tooth, a preparation method and a zip fastener. The transparent flashingpolyester chain tooth is prepared from PET (Polyethylene Terephthalate), TPU (Thermoplastic Polyurethane) modified master batch, a lubricant, an antioxidant and an ultraviolet absorbent, wherein theTPU modified master batch is prepared from isocyanate, polyol, a chain extender, a crosslinking agent and flashing powder; the flashing powder is composed of a micron-grade prism pyramid monomer polyacrylamide layer. According to the transparent flashing polyester chain tooth, the TPU modified master batch with relatively good toughness is added into a PET material, so that the transparent flashing polyester chain tooth has good toughness and anti-impact performance; furthermore, the surface of a micron-grade prism pyramid monomer is covered with the polyacrylamide layer and the crosslinking agent participates, so that the micron-grade prism pyramid monomer is uniformly dispersed in the PET material; compared with a manner of directly adding the micron-grade prism pyramid monomer or the flashing powder into the PET material, the transparent flashing polyester chain tooth has a more uniform and bright flashing property.

The invention relates to a kit for detecting whether a blood sample to be detected carries hepatitis C virus. The kit has four specific primers. In the using method for the kit, RNA extracted from the sample to be detected is taken as a template, the specific primers, polymerase, buffer and water are added into the template for loop mediated isothermal amplification (LAMP) reaction, a reaction product (or the reaction product is added with ethidium bromide) is observed under an ultraviolet lamp, and whether the sample to be detected carries the hepatitis C virus or not is judged according to a fact that whether the reaction product generates fluorescence under the ultraviolet; or the reaction product is subjected to agar gel electrophoresis, and whether the sample to be detected carries the hepatitis C virus or not is judged according to a fact that whether the reaction product has a belt in a specific track.

The invention relates to a heat accumulation and heat conduction material and a preparation method thereof, in particular to a small expended and vitrified ball heat accumulation and heat conduction material and a preparation method thereof, aiming at solving the problems of being short in heat preservation effect, inflammable and harmful, easy to fall off, low in coefficient of heat accumulation, high in coefficient of heat conductivity, high in energy consumption as well as complicated in preparation method and technique of the existing organic thermal insulation materials such as a polyphenyl plate and the like. The small expended and vitrified ball heat accumulation and heat conduction material is prepared from a small expended and vitrified ball, wood fiber, getter, mildewproof agent, ultraviolet ray fiber, temperature adjustment agent and solar energy absorbent. The preparation method of the small expended and vitrified ball heat accumulation and heat conduction material comprises the following steps: evenly mixing the raw materials, heating and drying the mixed material by the mixture of gumming dirt and water, and preparing the small expended and vitrified ball heat accumulation and heat conduction material. The heat conduction material has the function of shielding heat preservation, strong durability, strong fireproof performance and strong freezing resistance; preparation method is simple and easy, and is convenient and fast in construction and free from pollution. The material and preparation method provided by the invention are wide in application prospects in industries of building, hygiene and medicine.

The invention provides an air purifier. The air purifier comprises a shell, an ultraviolet lamp and a metal net, wherein the shell is provided with an air inlet and an air outlet, and a fan is arranged at the air outlet; the ultraviolet lamp is arranged in the shell; the metal net is arranged between the shell and the ultraviolet lamp; and the outer surface and the inner surface of the metal net are each coated with a nano photocatalyst layer, and the side, facing towards the ultraviolet lamp, of the shell is coated with a reflecting material layer. Compared with the prior art, the air purifier achieves the self-circulation organic solvent gas decomposing purpose through the aerodynamic principle, nano photocatalyst, the ozone-free ultraviolet lamp, a high reflection material and an ultraviolet ray isolation material.