66results about How to "Excellent UV blocking properties" patented technology

Glass for gas discharge tubes, which are used in fluorescent lamps, especially EEFL and miniaturized lamps, LCD displays, computer monitors, telephone displays and TFT displays, and a process for making it are described. The glass contains, in % by weight based on oxide content: SiO2, 60-85; B2O3, 0-10; Al2O3, 0-10; Li2O, 0-10; Na2O, 0-20; K2O, 0-20; MgO, 0-8; CaO, 0-20; SrO, 0-5; BaO, 0-5; ZnO, 0-8; ZrO2, 0-5; TiO2, 0-10; Fe2O3, 0-5; CeO2 0-5; MnO2, 0-5; Nd2O3, 0-1.0; WO3, 0-2; Bi2O3, 0-5; MoO3, 0-5; PbO, 0-5; As2O3, 0-1; Sb2O3, 0-1; SO42−, 0-2; Cl−, 0-2 and F−, 0-2, wherein Σ Li2O+Na2O+K2O=5-25% by weight; Σ MgO+CaO+SrO+BaO=3-20; Σ Fe2O3+CeO2+TiO2+PbO+As2O3+Sb2O3 is at least 0-10; and Σ PdO+PtO3+PtO2+PtO+RhO2+Rh2O3+IrO2+Ir2O3 is 0.1.

The invention relates to temperable three-silver low radiation coated glass. The coated glass which comprises a glass body and a coating film is characterized in that: the glass body is a substrate; and the film structure of the coating film comprises, from inside to outside, a first dielectric combination layer, a first block protection layer, a first dielectric layer, a first silver layer, a second block protection layer, a first interval dielectric combination layer, a third block protection layer, a second dielectric layer, a second silver layer, a fourth block protection layer, a second interval dielectric combination layer, a fifth block protection layer, a third dielectric layer, a third silver layer, a sixth block protection layer and a second dielectric combination layer. The temperable three-silver low radiation coated glass disclosed in the invention adopts the unique film structure and a unique production technology, so a problem that middle and low radiation coated glass in the prior art cannot be well tempered is solved, and the coated glass which has the advantages of high visible light transmissivity, good photo-thermal ratio and optical stability, and good thermal insulation can satisfy various requirements of subsequent processing.

An external preparation for skin comprising isononyl 2-ethylhexanoate and / or 2-ethylhexyl 2-ethylhexanoate (a component (a)); an oil-in-water type emulsion skin cosmetic comprising the component (a), (b) one or more members selected from higher fatty acids and higher alcohols which are in a solid or a semi solid form at normal temperature (25 DEG C), (c) a homopolymer, a copolymer or a crosspolymer containing as a constituent unit, one or more members selected from 2-acrylamido-2-methylpropanesulfonic acid, acrylic acid and derivatives thereof, or a mixture thereof, and (d) one or more members selected from nonionic surfactant having an HLB value of 9 or greater; and an oil-in-water type or a water-in-oil type emulsion sunscreen cosmetic comprising (a) isononyl 2-ethylhexanoate and / or 2-ethylhexyl 2-ethylhexanoate, (b) an ultraviolet light absorber, (c) an ultraviolet light scattering agent, and (d) a silicone oil.

The invention relates to ageing-resistant road asphalt and a preparation method thereof, in particular to ageing-resistant road asphalt based on magnesium-aluminum-based laminar double hydroxide. The road asphalt is characterized by being prepared from the following raw materials in percentage by mass: 90-99 percent of asphalt and 1-10 percent of magnesium-aluminum-based laminar double hydroxide. The dual functions of physical shielding and chemical absorption of the magnesium-aluminum-based laminar double hydroxide on ultraviolet rays are utilized, so that the ultraviolet aging resistance of the road asphalt is remarkably improved.

The present invention provides water-in-oil type emulsion sunscreen cosmetics that achieve an excellent UV blocking effect, and have excellent effects in the prevention and inhibition of discoloration (discoloration to red). The water-in-oil emulsion sunscreen cosmetic according to the present invention is characterized by comprising: (a) octocrylene; (b) hydrophobized zinc oxide; (c) cationic surfactant; and (d) silica.

The invention discloses a composite pre-laid waterproof coiled material which comprises a modified asphalt polyester tire coiled material base body and an adhesive layer and a protection layer which are arranged on the modified asphalt polyester tire coiled material base body, wherein the adhesive layer is used for adhering the protection layer onto the modified asphalt polyester tire coiled material base body; the protection layer comprises granular sand or colloidal particles; the adhesive layer is a hot-melt pressure-sensitive adhesive and is used for adhering the protection layer with the modified asphalt polyester tire coiled material base body into a whole. Due to the mode, the composite pre-laid waterproof coiled material can be firmly adhered into concrete to form a skin type waterproof layer together with a concrete structure; long-time waterproofing can be realized, and water breakthrough is avoided; furthermore, the adhesive layer in the waterproof coiled material cannot be irradiated by ultraviolet, so that the adhesive strength is high, and the construction performance is high.

The invention relates to a photovoltaic module bus bar insulated rubber tape, a bus bar containing the insulated rubber tape and a photovoltaic module. The insulated rubber tape comprises an insulatedbase material layer, a coating formed on one side of the insulated base material layer, and an adhesive layer formed on the other side of the insulated base material layer, wherein a raw material formula of the coating comprises a fluorocarbon resin containing hydroxyl or amino, a filler, an assistant and a first curing agent; and a raw material formula of the adhesive layer comprises an epoxy resin, a thermoplastic resin and / or synthetic rubber, a second curing agent and a flame retardant. The coating and the base material have excellent adherence, the scratching force is still kept at 0-1 level even if after high temperature and high humidity, and the coating has outstanding ultraviolet barrier property. The adhesive layer has excellent adherence to the base material layer, and also hasexcellent adhesiveness to metals. The insulated rubber tape has ultraviolet resistance, heat shock resistance, cold and hot impact resistance, thermal-humidity resistance and environmental aging resistance. The insulated rubber tape is hot-pressed on a metal plate or a metal bus bar and can be applied to insulating the photovoltaic module bus bar.

An object of the present invention is to provide a water-in-oil type emulsion sunscreen cosmetic which can achieve excellent UV protection capability and have excellent effects in the prevention and inhibition stability of smell change with the passage of time.The water-in-oil type emulsion sunscreen cosmetic in the present invention is characterized by comprising 0.2 to 10% by mass (a) octocrylene, 0.2 to 30% by mass (b) hydrophobized titanium dioxide and / or zinc oxide, 0.02 to 8% by mass (c) phenylbenzimidazole sulfonate, (d) a neutralizer for the above-mentioned component (c), and further, if desired, 0.01 to 20% by mass (e) silicone surfactant.

The invention discloses ultraviolet-rejected solid asphalt, preparation and application thereof. The ultraviolet-rejected solid asphalt is prepared by mixing asphalt, magnesium-aluminum-based layered double hydroxide and a cosolvent and is solid-particle-shaped. The ultraviolet-rejected solid asphalt comprises the following components in percentage by weight: 50%-65% of asphalt, 30%-45% of magnesium-aluminum-based layered double hydroxide and 1%-10% of cosolvent. The ultraviolet-rejected solid asphalt is solid-particle-shaped (or powder-shaped) under the normal temperature, and compared with common asphalt which needs insulation for storage and needs to be loaded and unloaded in time in the process of production and use, the solid-particle-shaped (or powder-shaped) asphalt is stable in property and is more convenient in transportation and storage; simultaneously, the ultraviolet rejection action is excellent, the ageing resistance of the road asphalt is obviously improved, the use performances of rutting resistance and water stability of asphalt mixture can be effectively improved and the service life of asphalt roads can be prolonged.

The invention discloses a method for preparing a bamboo leaf flavonoid fish scale gelatin edible fresh-keeping film. The method is characterized by comprising the following steps: dissolving tilapia mossambica scale gelatin in water to absorb water and swell for 18-22 minutes, and dissolving in a water bath kettle at 45-55 DEG C for 20 minutes; then adding glycerinum which is 3 percent of mass of the tilapia mossambica scale gelatin, magnetically stirring and uniformly mixing, adding bamboo leaf flavonoid which is 0.4-0.8 percent of mass of the mixed liquid, and magnetically stirring and uniformly mixing to obtain film forming liquid; centrifugally degassing the film forming liquid at a speed of 3500-4500 revolutions / minute for 1-2 minutes, pouring into a glass sheet for tape casting; putting the glass sheet in an air dry oven, controlling the temperature to be 22-28 DEG C, drying with air blast for 2-4 hours, and peeling the film. The bamboo leaf flavonoid fish scale gelatin edible fresh-keeping film has the advantages of excellent ultraviolet blockage, excellent ductility, excellent water vapor barrier property and good heat stability.

The invention belongs to the field of agriculture waste utilization and food packaging materials, and discloses an uvioresistant polyving alcohol-xylan composite membrane as well as a preparation method and application thereof. The preparation method of the uvioresistant polyving alcohol-xylan composite membrane comprises the following steps: (1) adding polyving alcohol and xylan into water, dissolving at high temperature, further adding glycerinum, and uniformly mixing, thereby obtaining a mixed solution; (2) continuously stirring the mixed solution obtained in the step (1), further adding titanium dioxide, and performing ultrasonic dispersion, thereby obtaining a composite membrane preparation solution; (3) putting the composite membrane preparation solution obtained in the step (2) into a horizontally arranged polyfluortetraethylene plate for curtain coating, and drying in an oven, thereby obtaining the uvioresistant polyving alcohol-xylan composite membrane. The uvioresistant polyving alcohol-xylan composite membrane is good in ultraviolet blocking property, mechanical property and hydrophobicity, and can be applied to the fields such as package material preparation or sunshade thermal-insulating material preparation.

An object of the present invention is to provide a water-in-oil type emulsion sunscreen cosmetic which can achieve excellent UV protection capability, excellent usability such as good adaptation to the skin and non-stickiness, excellent emulsion stability and excellent water resistance.The water-in-oil type emulsion sunscreen cosmetic in the present invention is characterized by comprising (a) 0.2 to 14% by mass of methoxycinnamate ester, (b) 0.02 to 14% by mass of octocrylene, (c) 0.2 to 14% by mass of dimethylpolysiloxane, (d) 0.02 to 14% by mass of monoester oil represented by the formula: R1COOR2 wherein R1 represents an alkyl group having 5 to 11 carbon atoms and R2 represents an alkyl group having 3 to 11 carbon atoms, and (e) 0.02 to 6% by mass of silicone-chain branched-type alkyl / polyoxyethylene-modified silicone.

The invention relates to an agricultural film, particularly to a polyvinyl chloride composite agricultural film and a preparation method thereof, belonging to the technical field of agriculture. The agricultural film comprises a PVC transparent base film layer, wherein a coated inner layer and a coated surface layer are respectively located at two sides of the base film layer. The agricultural film of the invention is simple in structural composition; the PVC transparent base film layer has light scattering characteristics; the coated inner layer is a transparent inner layer having mist drip eliminating and heat preserving properties; and the coated surface layer is a transparent surface layer having a self-cleaning property. The agricultural film has high light transmittance and light scattering characteristics, good self-cleaning, anti-ultraviolet, mist drip-eliminating, thermal-insulating and mechanical properties, excellent heat and weather resistance, and tidy and smooth surface,and can be better applied to covering of fields in which melons, vegetable and crops such as cotton, corn, soybeans and rice are planted.

The invention belongs to the technical field of polymer composite materials, and relates to a polyvinyl alcohol composite material with ultraviolet blocking and antibacterial functions and a preparation method thereof, wherein the polyvinyl alcohol composite material is prepared from the following raw materials: polyvinyl alcohol, and cobalt complex crystal [Co4(H8P3NC3O9)2].H2O, wherein in the formula, (H8P3NC3O9) is an anion of amino trimethylene phosphonic acid losing four protons. The invention also provides the preparation method of the polyvinyl alcohol composite material. The polyvinyl alcohol composite material prepared by the preparation method has excellent ultraviolet blocking property, antibacterial property, ammonia response property, mechanical property, water vapor permeability and thermal stability, can maintain high optical transparency, is simple in preparation process, is suitable for large-scale production, and has potential application value in the fields of packaging, antibacterial materials, ammonia gas detection and the like.

The invention provides an automatic supporting and winding type sunshade of a front windshield. The automatic supporting and winding type sunshade of the front windshield comprises a left group of telescopic roller shutters and a right group of telescopic roller shutters. The key point of the automatic supporting and winding type sunshade of the front windshield is that winding shafts of the leftgroup of telescopic roller shutters and the right group of telescopic roller shutters are symmetrically arranged on the two sides of a base; the base is positioned in the position, at the bottom of the front windshield, on a vehicle body; a left lifting supporting plate and a right lifting supporting plate are limited at the top of the base in a matched manner; and the left lifting supporting plate and the right lifting supporting plate are correspondingly connected with cord fabric free ends of the left group of telescopic roller shutters and the right group of telescopic roller shutters andform a structure, which horizontally moves upwards along the windshield to support a cord fabric and horizontally moves downwards to assist the winding of the cord fabric, by means of lifting drivingmechanisms connected to the left and right lifting supporting plates. The automatic supporting and winding type sunshade of the front windshield is mounted on the front windshield in the vehicle, thelifting driving mechanisms can be of folding types and can be folded and stored to the bottom of the front windshield; and moreover, the automatic supporting and winding type sunshade of the front windshield can be automatically supported; the operation is stable and reliable; the volume is small; the mounting is convenient; the automatic supporting and winding type sunshade of the front windshield does not need to be repeatedly assembled and disassembled; and the automatic supporting and winding type sunshade of the front windshield is safe and reliable.

An external preparation for skin comprising isononyl 2-ethylhexanoate and / or 2-ethylhexyl 2-ethylhexanoate (a component (a)); an oil-in-water type emulsion skin cosmetic comprising the component (a), (b) one or more members selected from higher fatty acids and higher alcohols which are in a solid or a semi solid form at normal temperature (25 DEG C), (c) a homopolymer, a copolymer or a crosspolymer containing as a constituent unit, one or more members selected from 2-acrylamido-2-methylpropanesulfonic acid, acrylic acid and derivatives thereof, or a mixture thereof, and (d) one or more members selected from nonionic surfactant having an HLB value of 9 or greater; and an oil-in-water type or a water-in-oil type emulsion sunscreen cosmetic comprising (a) isononyl 2-ethylhexanoate and / or 2-ethylhexyl 2-ethylhexanoate, (b) an ultraviolet light absorber, (c) an ultraviolet light scattering agent, and (d) a silicone oil.

The invention relates to a manufacturing method of building plates, in particular to a manufacturing method of hot-dip galvanized coated plates. The building plates are resistant to corrosion and weather, prevent dropping of dews, and have certain thermal insulating property. The manufacturing method includes the steps of selecting materials, preprocessing the surfaces, drying, coating with glue, laminating, drying, hot-pressing, and checking for storage. Products manufactured by method are well fireproof; detections show that the products are approved by the level B-1 of national building materials fire rating, are fully environment friendly and free of pollution, also pass environmental certification, and have the effects of long service life, environment friendliness, fire proofing, dew prevention, corrosion resistance, acoustic absorption, light absorption, thermal insulation, high transparency, high glossiness, low haze, excellent UV barrier property, laser security, and bright decoration.

The invention discloses a nanofiber reinforced superparamagnetic polyvinyl alcohol composite film and a preparation method thereof. The method is characterized by comprising the following steps: adding an aqueous solution of sodium hydroxide and sulfuric acid into reed pulp, and performing ultrasonic crushing to obtain nanocellulose crystal hydrosol; heating and boiling, adding FeSO4.7H2O and FeCl3.6H2O, and ultrasonically dispersing to obtain nano Fe3O4 supported hydrosol after reacting; adding distilled water into alkali lignin so as to obtain a component A; adding acetic acid into chitosan so as to prepare a solution, and adding glycerin to be mixed with the component A; mixing starch and sodium hydroxide, adding deionized water, fully mixing with polyvinyl alcohol and borax, and reacting to obtain a crosslinked coating solution; covering a part of film-forming solution on a polyfluortetraethylene plate, and airing to obtain a bottom film; alternatively depositing and self-assembling the supported hydrosol on the bottom film so as to obtain a magnetic supported interlayer; alternatively depositing and self-assembling another part of film-forming solution on the interlayer so as to obtain another film layer, thereby obtaining the magnetic film material.

The invention belongs to the field of nano materials, and specifically discloses an ultraviolet-blocking type photoluminescence polydimethylsiloxane (PDMS) composite material and a preparation methodthereof. The preparation method comprises the following steps: uniformly mixing a silicon nano crystal, nano silicon dioxide, vinyl polysiloxane, silicon resin, a platinum catalyst, a silicon-hydrogenaddition reaction inhibitor and hydrogen-containing silicone oil according to a ratio, then performing curing at a temperature of 20-160 DEG C to obtain the ultraviolet-blocking type photoluminescence PDMS composite material. The functional PDMS material prepared by the method provided by the invention can completely shield ultraviolet rays with wavelengths of 400 nm or below, and has excellent ultraviolet blocking performance (ultraviolet protection coefficient of 40-500<+>), photoluminescence and the like. In addition, the fluorescence quantum yield is stable, the service life is long, andthe PDMS material can be widely used in the fields of biological imaging, medical diagnosis, textiles, cosmetics, wearable equipment, spinning, anti-counterfeiting marks and the like.

The invention relates to anti-ultraviolet transparent plastic, a processing method and an application. The anti-ultraviolet transparent plastic is prepared by blending an ethylene-vinyl alcohol copolymer and an additive and then carrying out melt extrusion casting. The additive is prepared by the following steps: preparing a nano zinc oxide-phosphorus doped hexagonal boron nitride compound by taking phosphorus doped hexagonal boron nitride, a zinc chloride aqueous solution, a sodium carbonate aqueous solution and the like as raw materials, and forming poly(alpha-naphthylamine) on the surface of the compound. The obtained plastic product can effectively block ultraviolet rays, and is good in visible light permeability and excellent in mechanical property.

The present invention relates to a silica aerogel composite comprising a hydrophilically surface-modified hydrophobic silica aerogel and an organic UV blocker supported in pores of the silica aerogel.The silica aerogel composite of the present invention causes no skin irritation since the organic UV blocker inducing skin irritation is stably supported inside the silica aerogel to minimize the contact with the skin. Also, the silica aerogel composite is high in the organic UV blocker content per unit weight, and exhibits an excellent blocking effect against both UVA and UVB compared with conventional UV blockers.

The invention discloses an ultraviolet blocking master batch of a polyolefin high-transmittance film. The ultraviolet blocking master batch is prepared from the following raw materials in parts by weight: 65 to 82 parts of a polyolefin carrier resin, 6 to 12 parts of an ultraviolet light absorber A, 4 to 8 parts of an ultraviolet light absorber B, 5 to 10 parts of inorganic nanoparticles and 3 to 5 parts of a processing aid. According to the invention, after the ultraviolet blocking master batch is added into a resin to prepare a polyolefin high-transmittance film, the barrier rate of the obtained polyolefin film product is greater than 98%, the transparency is greater than 90%, the polyolefin film product has a wide ultraviolet barrier effect, high light transmittance and high weather resistance, and the polyolefin film product can still keep good ultraviolet barrier performance after being irradiated by ultraviolet light for 3000 h; and the ultraviolet blocking master batch prepared by the invention can be directly added into polyolefin resin for manufacturing products.

An optical film and a polarizing plate including the same are provided. The optical film includes an acrylic resin having a glass transition temperature of 120° C. or higher and including an alkyl (meth)acrylate-based repeating unit and a styrene-based repeating unit, and a UV absorbent having a 1% thermal decomposition temperature greater than or equal to a temperature 2.5 times that of the glass transition temperature of the acrylic resin.

The invention provides a preparation method of a modified polycarbonate material. The preparation method specifically comprises the following steps: S1, preparing modified nano titanium dioxide; S2, preparing modified glass fibers; S3, preparing a self-made flame retardant; S4, adding the weighed polycarbonate into a sealed element bottle, adding a proper amount of dichloromethane, and magnetically stirring until particles are completely dissolved to form a transparent solution; adding the weighed modified nano titanium dioxide, modified glass fiber, self-made flame retardant and assistant into the transparent solution, mixing, magnetically stirring to form a uniform liquid-phase composite master batch, and finally drying to obtain a solid-phase modified polycarbonate composite master batch; and S5, adding the solid-phase modified polycarbonate composite master batch into a trace mixing extruder, and carrying out melt blending, extrusion and granulation. According to the modification method provided by the invention, the ultraviolet blocking capability, the light aging resistance, the comprehensive mechanical property, the rigidity and the flame retardant property of the polycarbonate material can be greatly improved.

The invention relates to the technical field of dimming films, and particularly discloses an electrochromic coating capable of effectively blocking ultraviolet rays, an electrochromic film and a preparation method thereof. The electrochromic coating is prepared from a 3, 5, 5-trimethylhexyl acrylate prepolymer, beta-carboxyethyl acrylate, a photoinitiator, UV curing resin, mixed liquid crystal, a spacer, nano zinc oxide and graphene. The preparation method comprises the following steps: S1, preparing a 3, 5, 5-trimethylhexyl acrylate prepolymer for later use; s2, adding nano zinc oxide and graphene; s3, adding the photoinitiator after heating; s4, adding beta-carboxyethyl acrylate, UV curing resin, mixed liquid crystal and spacers, stirring and then uniformly dispersing; using the electrochromic coating used for preparing the electrochromic film. The electrochromic film has the advantages of effectively blocking ultraviolet rays and resisting high temperature.

The invention discloses an application of a nano transparent thermal insulation coating on textile fabrics, characterized by selecting a certain proportion of nano ATO and nano TiO2 as powder, adding a solvent to prepare a mixed slurry of nano ATO and nano TiO2, then mixing the mixed slurry with an organosilicon coating agent, and adding a certain amount of dispersant and thermal insulation capsules, stirring uniformly and then conducting ultrasonic dispersion to obtain a nano transparent thermal insulation coating, and testing the thermal insulation performance of the coating on textile fabrics. According to the invention, the coating has good thermal insulation performance, and the transparency solves the problem that previous thermal insulation coatings influence the color of the fabrics.