10 results about "Uv blocking" patented technology

This invention belongs to the field of coating technology and discloses an anti-aging radiation-cooling coating, coating layer, and its application and coated products. The radiation-cooling coating of this invention includes a base coat and a top coat; by weight, the base coat includes: 10-80 parts composite reflective particles, 5-20 parts hexagonal boron nitride nanosheets, 5-50 parts film-forming resin, 20-80 parts solvent, 0.05-10 parts dispersant, and 0.1-10 parts curing agent; by weight, the top coat includes: 10-80 parts composite alumina, 5-20 parts fluorosilane-modified silica, 5-60 parts film-forming resin, 20-80 parts solvent, 0.05-10 parts dispersant, and 0.5-30 parts curing agent. The radiation-cooling coating of this invention combines high solar reflectivity, excellent UV blocking properties, and long-term aging resistance, and can inhibit photocatalytic reactions from the source, achieving a balance between high reflectivity and ultra-long weather resistance.

This utility model relates to a cooling and UV-resistant jacquard knitted fabric and garment. The front of the fabric consists of alternating concave and convex stripes, each made of 40D / 24F polyethylene nylon core yarn and 20-50D spandex. The knitting pattern is four loops per cycle, with the first four loops using the polyethylene nylon core yarn and spandex. The concave stripes are formed by loops knitted by the first needle of each of the first four loops. The convex stripes are formed by loops knitted by the second and third needles of the first and second loops, respectively, followed by float knitting, and by the second and third needles of the third and fourth loops, respectively, followed by float knitting and loop knitting. Through the combination and loop-forming method of the functional yarns—polyethylene nylon core yarn and high-elastic spandex—the fabric achieves a cooling sensation and highly effective UV blocking across the entire wavelength range, while also possessing breathability, high elasticity, and comfort.

This invention discloses a glass composition comprising: 65-79 mol% SiO2; 4-13.5 mol% Al2O3; 1.5-4.0 mol% MgO; 1-4 mol% CaO; 0-1.5 mol% ZnO; 4-16 mol% Na2O; 0-5.5 mol% K2O; 0.4-2.5 mol% TiO2; and 0-1.5 mol% CeO2. The glass composition, at a thickness of 50 µm, exhibits a transmittance percentage of 50% in the ultraviolet (UV) wavelength range of 320 nm to 350 nm, and / or a coefficient of thermal expansion (CTE) of 69 × 10⁻⁶ measured at 100°C to 300°C. ‑7 / ℃ to 75 × 10 ‑7 / ℃.

According to various embodiments, a server for determining UV blocking efficacy of a product to be tested comprises at least one processor, wherein the at least one processor can perform: an operation for determining, as a first reference amount of light, the amount of UV light to be emitted to a first unapplied sheet that is not applied with the product to be tested; an operation for controlling a UV emission device so that the UV light is emitted to the first unapplied sheet in the first reference amount of light; an operation for acquiring a first non-applied image obtained by imaging the first unapplied sheet; and an operation for determining appropriateness of the first reference amount of light on the basis of the first non-applied image.

This invention relates to the field of liquid mulch film technology, and proposes a black liquid mulch film and its preparation method. A black liquid mulch film comprises the following components by weight: 3-5 parts chitosan, 1.5-3 parts colorant, 4-6 parts filler, 3-5 parts polyvinyl alcohol, 3-5 parts film-forming aid, 0.2-0.3 parts thickener, and 80-90 parts water. The filler is composed of components with different particle sizes, specifically by weight percentage: 15μm≤attapulgite≤20μm 55wt%~65wt%, 2μm≤attapulgite≤5μm 25wt%~35wt%, 50nm≤zinc oxide≤80nm 10wt%. This technical solution solves the problems of insufficient mechanical properties and UV blocking performance of existing liquid mulch films.

This application relates to the field of solar cell technology and provides a photovoltaic front panel glass and a solar cell module. The photovoltaic front panel glass of this application includes a glass substrate and an ultraviolet (UV) blocking layer. The UV blocking layer includes a UV blocking body layer disposed on the light-facing side of the glass substrate and a protective layer disposed on the light-facing side of the UV blocking body layer. The UV blocking body layer can block at least a portion of ultraviolet rays, and the protective layer protects the UV blocking body layer. The photovoltaic front panel glass of this application can both improve UV resistance performance using the UV blocking body layer and provide protection for the UV blocking body layer using the protective layer, ensuring the durability of the UV resistance performance of the photovoltaic front panel glass. It also reduces the risk of corrosion from acid rain and other factors such as aging or oxidation damage to the internal encapsulant film and cells (or film) of the solar cell module, thereby improving the quality of the solar cell module.

This invention relates to cosmetic compositions comprising brewer's yeast extract and diol. These compositions selectively promote the growth of beneficial bacteria on the skin, thereby maintaining the balance of the skin microbiome. This contributes to skin health by improving damaged skin and other means. They can be used to maintain the skin's microecological balance and can improve or enhance the UV blocking effect of UV blockers, thus enabling UV blocking enhancement.

The application discloses a super-weather-resistant transparent film prepared by co-extrusion of PVDF and ETFE, and the film structure is a surface layer, an intermediate layer and a bottom layer. The surface layer comprises 50-85 parts by weight of a PVDF homopolymer or copolymer, 10-45 parts by weight of a flow modifier, and 1-4 parts by weight of an antioxidant, a UV blocking agent / UV absorber; the intermediate layer is a blend of ETFE and PVDF; and the bottom layer is ETFE. The application further provides a preparation method and application of the super-weather-resistant transparent film. The co-extrusion film has a transmittance of greater than or equal to 85% for light with a wavelength of 380-1100 nm, and has the characteristics of super-weather resistance, super-toughness and high UV blocking.

The present invention relates to a method for improving the UV blocking efficiency and a cosmetic manufacturing use, which uses a composition comprising a combination of (a) a polymer having self-emulsifying ability and (b) a polyol having an IOB value of 5.0 or less, wherein the above composition includes an aqueous phase portion and an oily phase portion, (a) the polymer having self-emulsifying ability and (b) the polyol having an IOB value of 5.0 or less are contained in the above aqueous phase portion, a UV blocking agent is contained in the above oily phase portion, wherein the above composition does not contain an oily phase thickening agent, the viscosity of the above oily phase portion is 1,000 cps or less. Generally, the UV blocking efficiency of a UV blocking agent decreases due to heat, but according to the present invention, a remarkable effect of improving the UV blocking efficiency of a UV blocking agent by heat can be obtained.

This invention discloses a solid electrolyte material, an electrochromic device, and a preparation method thereof. The solid electrolyte material is prepared by melt blending and extrusion casting of a composition consisting of 65-70 parts of polyvinyl butyral resin, 10-20 parts of lithium bis(trifluoromethanesulfonyl)imide, and 15-25 parts of additives. It exhibits an ionic conductivity of S / cm, visible light transmittance >92%, and tensile strength >20 MPa. The preparation method includes raw material pretreatment, premixing, melt blending extrusion, extrusion casting, and online thickness measurement and winding. The electrochromic device comprises a transparent conductive substrate, an electrochromic layer, the solid electrolyte material, an ion storage layer, and a second transparent conductive substrate, assembled by hot-pressing. This invention constructs a three-dimensional ion transport network through the coordination of hydroxyl groups with lithium ions, achieving rapid migration of lithium ions along polymer segments. The device response time is ≤60 seconds, cycle life ≥50,000 cycles, and UV blocking rate >99%. Furthermore, it simplifies the film structure and reduces production costs.