54results about How to "Low UV transmittance" patented technology

The present invention provides a coating composition for substrates. The coating composition of the present invention generally includes a silicate binder and a plurality of photocatalytic particles. The silicate binder functions as a bonding agent to establish the coating on the substrate. A plurality of photocatalyst particles are dispersed throughout the silicate binder. The particles are included in an amount that provides sufficient distribution of the particles in the resulting coating. The incorporation of the present invention onto substrates prevents algal growth on building materials utilizing the coated substrates.

The invention discloses application of a carbon dot @ inorganic oxide to preparation of an anti-ultraviolet product. The anti-ultraviolet product may be any one selected from a group consisting of a fiber, a cosmetic, paint, printing ink, resin and rubber. The anti-ultraviolet product prepared from the carbon dot @ inorganic oxide has the advantages of no toxicity, capacity of absorbing UVA and UVB at the same time, low cost, no proneness to decomposition, good stability, etc.

A transparent base film and a transparent resin layer are provided. An ultraviolet absorbent is contained in at least either of the base film and the resin layer, and a transmittance of an ultraviolet ray with a wavelength of 380 nm is set at 60% or less. On a surface of the resin layer, numerous irregularities are provided, in which an total luminous transmittance is 85% or more, and a diffuse transmittance is 6% or more.

A flat glass panel for use in applications requiring high visible and infrared transmittance (such as a solar panel) is made using lower cost batch materials containing iron oxide impurities. Iron oxide is known as an additive for decreasing infrared/visible transmittance of glass. Removal of iron oxide impurities from batch materials is very expensive. This invention uses common batch materials having iron oxide impurities to produce a glass with high transmittance by adding a clarifier comprised of 0.05 to 0.4 weight percent of manganese dioxide (MnO₂). The optional addition of vanadium pentoxide (V₂O₅) enhances ultraviolet blocking of the glass for protecting coatings within a solar panel from ultraviolet-induced damage.

The invention discloses application of carbon dots in preparing an anti-ultraviolet product. The anti-ultraviolet product can be fiber, cosmetics, coating, printing ink or resin. The anti-ultraviolet product prepared from the carbon dots is remarkable in UVA (Ultraviolet A) and UVB (Ultraviolet B) absorption effect and low in production cost, and the obtained product has the advantages of safety (no toxicity), stability (difficulty in decomposition) and the like.

The invention provides a transparent based-membrane and transparent resin layer. At least one of based-membrane and resin layer contains UV absorbers, and the transmissivity of ultraviolet which wavelength is 380nm is set at 60% or less. The surface of resin layer is provides a great amount of irregular objects, the total transmissivity is 85% or more and the diffusion transmissivity is 6% or more.

The present invention provides a glass article using a glass composition including a base glass composition and colorants. The base glass composition includes, expressed in mass %: 65 to 80% of SiO₂; 0 to 5% of Al₂O₃; 0 to 10% of MgO; 0 to 15% of CaO; 5 to 15% of MgO+CaO; 10 to 18% of Na₂O; 0 to 5% of K₂O; 10 to 20% of Na₂O+K₂O; and 0 to 5% of B₂O₃, and the colorants consist essentially of, expressed in mass %: 0.6% to 1.0% of T-Fe₂O₃; 0.026 to 0.8% of TiO₂; 0 to 2.0% of CeO₂; 0.01 to 0.03% of CoO; 0 to 0.0008% of Se; and 0.06 to 0.20% of NiO. The glass article has a grayish color tone, and has a visible light transmittance in a range of 15% to 40%, which is measured with the illuminant A at a thickness of 3.1 mm.

With the purpose of providing patches which do not cause photodecomposition of drugs even when exposed to the direct rays of the sun and which exhibit satisfactory drug effects and are excellent in physical properties and stability of pharmaceutical preparations, the invention provides a patch comprising a polyester substrate and a pressure-sensitive adhesive layer formed on one surface of the substrate and containing a nonsteroidal anti-inflammatory drug (NSAID) wherein the substrate contains a hydroxyphenylbenzotriazole derivative represented by the general formula (1):

wherein R₁ and R₂ are each independently hydrogen or C_1-8 alkyl; and X is halogen atom.

The ultraviolet/infrared absorbent low transmittance glass has a grayish green color shade, low visible light transmittance, low total solar energy transmittance, and low ultraviolet transmittance, and is suitable for a rear window of a vehicle and capable of protecting privacy. The glass consists of base glass including: 65 to 80 wt. % SiO2; 0 to 5 wt. % Al2O3; 0 to 10 wt. % MgO; 5 to 15 wt. % CaO wherein a total amount of MgO and CaO is between 5 and 15 wt. %; 10 to 18 wt. % Na2O; 0 to 5 wt. % K2O wherein a total amount of Na2O and K2O is between 10 and 20 wt. %; and 0 to 5 wt. % B2O3, and colorants including: more than 0.95 wt. % and 1.2 wt. % total iron oxide (T-Fe2O3) expressed as Fe2O3; 0.001 to 0.0180 wt. % CoO; 0.0001 to 0.0008 wt. % Se; and 0.003 to 0.2 wt. % NiO.

The invention provides an organic light emitting diode (OLED) package method and an OLED package structure. According to the OLED package method, an ultraviolet light absorption layer is arranged on asurface of an OLED device, on one hand, the ultraviolet light absorption layer has low ultraviolet light transmittance, ultraviolet light can be prevented from irradiating a thin film transistor (TFT) during the ultraviolet curing process of a package material and frame glue, and the influence of the ultraviolet light on the TFT is reduced or eliminated; and on the other hand, the ultraviolet light absorption layer has high visible light transmittance, and thus, the light-emitting strength of the OLED device cannot be reduced. The OLED package structure is fabricated by the method, the TFT has excellent electrical property, and the OLED device has relatively high light-emitting intensity.

To provide a heat-absorbing glass plate which satisfies both low solar transmittance and high visible light transmittance, presents a green color as transmitted light and contains a small number of coloring components. The heat-absorbing glass plate of the present invention has a solar transmittance of at most 42% calculated as 4 mm thickness, has a visible light transmittance (by illuminant A, 2° visual field) of at least 70% calculated as 4 mm thickness, and provides a transmitted light having a dominant wavelength of from 492 to 520 nm, and it is made of soda lime silica glass having substantially the following composition, as represented by mass % based on oxides. SiO₂: 65 to 75%, Al₂O₃: more than 3% and at most 6%, MgO: at least 0% and less than 2%, CaO: 7 to 10%, total iron as calculated as Fe₂O₃: 0.45 to 0.65%, and TiO₂: 0.2 to 0.8%, and contains substantially no member selected from the group consisting of CoO, Cr₂O₃, V₂O₅ and MnO, wherein the proportion of the mass of divalent FeO in the mass of total iron which is the amount of total iron as calculated as Fe₂O₃, is more than 42% and at most 60%.

A polyvinyl acetal film contains at least one plasticizer and 0.01-1.5% by weight of at least one UV absorber of Formula 1

where

R₁, R₂, R₃, R₄, R₅, R₆, R₇, R₈ are H, halogen, C_1-20 alkyl, hydroxyalkyl, or alkoxyalkyl, and

R₉, R₁₀ are branched or unbranched C_1-50 alkyl, hydroxyalkyl, or alkoxyalkyl groups. The films can be used as museum glazing, display window glazing, as motor vehicle glazing, aircraft glazing, in photovoltaic modules, in LED or OLED screens, televisions, computer screens, big screens, in electrochromic glass elements, photochromic glass elements, and photoelectrochromic glass elements.

Provided is a glass which contains, by mass %, the following components: 20 to 35% of SiO₂ and B₂O₃ in total, 50 to 70% of La₂O₃, Gd₂O₃, Y₂O₃ and Yb₂O₃ in total, 37 to 69% of La₂O₃, 0 to 3% of Gd₂O₃, 3 to 30% of Y₂O₃, 0% or more but less than 2% of Yb₂O₃, 2 to 15% of ZrO₂, 1 to 6% of TiO₂, Nb₂O₅ and Ta₂O₅ in total, 0 to 4% of ZnO, and 0 to 2% of WO₃, wherein a mass ratio ZnO/Nb₂O₅ is in a range of 0 to 1.0 but Nb₂O₅ is contained as an essential component, a refractive index nd is in a range of 1.790 to 1.830, and an Abbe's number vd is in a range of 45 to 48.

A lateral emitting optical fiber has a core material including a light transmitting resin capable of transmitting light entering from one end to the other end, and a clad material covering the periphery of the core material and having a lower refractive index than the core material, wherein the clad material includes a light transmitting resin and zinc oxide particles dispersed in the light transmitting resin.

The ultraviolet/infrared absorbent low transmittance glass has an almost neutral color such as greenish gray, low visible light transmittance, low total solar energy transmittance, and low ultraviolet transmittance, and is suitable for a rear window of a vehicle and capable of protecting privacy. The glass consists of base glass including: 65 to 80 wt. % SiO2; 0 to 5 wt. % Al2O3; 0 to 10 wt. % MgO; 5 to 15 wt. % CaO wherein a total amount of MgO and CaO is between 5 and 15 wt. %; 10 to 18 wt. % Na2O; 0 to 5 wt. % K2O wherein a total amount of Na2O and K2O is between 10 and 20 wt. %; and 0 to 5 wt. % B2O3, and colorants including: 1.25 to 1.5 wt. % total iron oxide (T-Fe2O3) expressed as Fe2O3; 0.01 to 0.019 wt. % CoO; more than 0.0008 wt. % and equal to or less than 0.003 wt. % Se; and 0.055 to 0.1 wt. % NiO. The glass with a thickness between 2 and 5 mm has a visible light transmittance (YA) in a range from 10% to 25% using illuminant "A", a solar energy transmittance in a range from 5% to 20% and an ultraviolet transmittance (Tuv) of not more than 15%.

An ultraviolet/infrared absorbent low transmittance glass is formed of base glass containing 65 to 80 wt. % SiO2; 0 to 5 wt. % Al2O3; greater than 2.1 to less than or equal to 10 wt. % MgO; 5 to 15 wt. % CaO wherein a total amount of MgO and CaO is 7 to 15 wt. %; 10 to 18 wt. % Na2O; 0 to 5 wt. % K2O wherein a total amount of Na2O and K2O is 10 to 20 wt. %; and 0 to 5 wt. % B2O3, and colorants including 1.25 to 2.2 wt. % total iron oxide (T-Fe2O3) expressed as Fe2O3; 0.001 to 0.018 wt. % CoO; 0 to 0.0004 wt. % Se; and 0.028 to 0.2 wt. % NiO, wherein the glass has a turquoise blue or deep green color.

The invention provides a novel antibacterial anti-radiation silver infiltrating solid fiber fabric and a preparation method thereof. The method comprises the following steps: (1), immersing fiber fabric into an antibacterial silver solution for 20 to 50 minutes, and drying; (2), immersing the fiber fabric into a washable finishing liquor for 30 to 60 minutes, and drying, so as to obtain the novelantibacterial anti-radiation silver infiltrating solid fiber fabric. The novel antibacterial anti-radiation silver infiltrating solid fiber fabric has the benefit of overcoming disadvantages that metal silver can be only distributed on the surface of fiber and fabric, is not washable, does not endure rubbing, oxidation and friction, and is unstable in electric conduction in the traditional technology. The novel antibacterial anti-radiation silver infiltrating solid fiber fabric can ensure that fabric and cloth are distributed at a silver state from the inner part to the outer part, and the formed metal silver is high in density, washable, rubbing resistant, oxidation resistant and friction resistant. The application fields of the fiber fabric is not limited to medical treatment, clothing,home textiles, national defense, aviation, automobiles, anti-static workwear, wrist straps, printers and air-conditioning filters.

The invention provides a sterile plastic bottle embryo, which comprises a bottle embryo opening, a bottle embryo neck, a bottle embryo body and a bottle embryo bottom. The sterile plastic bottle embryo is integrally formed through injection molding, and the purposes of saving materials, lowering the cost and preventing explosion can be achieved while airtightness of the bottle opening is ensured;antibacterial performance of the bottle embryo is high, the excellent antibacterial performance is achieved in both sunlight and shade, the antibacterial effect is lasting, stable and safe, and the application range is wide; meanwhile, the advantages of static electricity preventing, high temperature resistance, inflaming retarding, aging resistance, ultraviolet ray resistance and the like are also achieved, and the sterile plastic bottle embryo is suitable for being applied to the fields such as foods, drugs and cosmetic packages; and additionally, the bottle embryo is easy to degrade in thenatural environment and meets the requirement of environmental protection.

The invention discloses traditional Chinese medicine green beverage-removing sun cream, which is prepared from the following raw materials in parts by weight: 16 to 20 parts of traditional Chinese medicine compound extracts, 10 to 18 parts of emulsifying thickeners, 6 to 8 parts of excipients, 2 to 4 parts of plant spices, 6 to 8 parts of moisturizing additives, 2 to 4 parts of honey, 4 to 8 parts of aloe, 3 to 5 parts of perilla leaf extracts and 12 to 18 parts of deionized water. The sun cream has the sunscreen and sunburn treatment effects; the ultraviolet light transmittance is low; no irritation exists on the skin; meanwhile, good toxin elimination and nourishing functions are realized; the effects of effectively removing face beverage, reducing pores and reducing the expected skin vitality are achieved; meanwhile, the preparation raw materials are safe and non-toxic; the materials can be easily obtained; the production cost is lower; the process is simplified; high practical value and good application prospects are realized.