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

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 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 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 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.

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 food preservative film based on a titanium-based composite material as well as a preparation method and application of the food preservative film, and belongs to the technical field of food preservative films. According to the invention, kappa-carrageenan (KC) and konjac glucomannan (KGM) are used as film-forming substrates, and TiO2 is used as a filler to prepare a novel composite film material. The novel composite film material obtained through the invention has rigidity, heat stability and barrier property, can effectively inhibit germination of mold conidia, inhibits growth of toxin-producing molds such as penicillium viride in food, and finally plays a role in food preservation.

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.