7results about How to "High light reflectivity" patented technology

Belonging to the technical field of lamp shell materials, the invention discloses an anti-aging lamp shell composite material, which comprises the following components by mass: 80-110 parts of modified PC master batch; 20 to 30 parts of modified ABS master batch; 2-7 parts of titanium silicon powder; 8-16 parts of hollow glass beads; 2 parts of a toughening agent; 0.1 to 0.3 part of a lubricant; the titanium-silicon powder effectively increases the white brightness of the lamp body shell, and when the titanium-silicon powder is used in cooperation with the hollow glass beads, the lamp shell can have higher light reflectivity, the lamp shell reflects most light to the diffusion plate and then emits the light, the overall luminous flux of the lamp is increased, meanwhile, the light absorption amount of the lamp shell is reduced, and the aging speed can be effectively slowed down. Wherein the modified PC master batch is prepared by mixing PC resin, 2, 6-di-tert-butyl-4-methylphenol and thiodipropionic acid diester; wherein the modified ABS master batch is prepared by mixing ABS resin and a composite ultraviolet absorbent. The PC master batch and the ABS master batch are both modified, so that the oxidation resistance is higher after the lamp shell is formed.

The utility model relates to the technical field of solar cells, in particular to a copper electroplating heterojunction cell and physical vapor deposition equipment, and the copper electroplating heterojunction cell comprises a yellow diaphragm, a copper-nickel alloy layer and a grid line; the yellow diaphragm comprises a copper seed layer; the copper-nickel alloy layer is deposited on the surface of the copper seed layer; the grid line is deposited on the copper-nickel alloy layer; the physical vapor deposition equipment is used for preparing a copper-nickel alloy layer of the copper electroplating heterojunction cell; the physical vapor deposition equipment is provided with a deposition chamber, and a copper-nickel alloy target material is arranged in the deposition chamber. The physical vapor deposition equipment can be used for preparing a copper electroplating heterojunction battery, and when the copper electroplating heterojunction battery forms a grid line, the loss of redundant electroplating materials can be reduced, and the cost can be reduced.

The invention discloses a large-gap composite permeable pavement structure and a low-carbon construction method, and relates to the technical field of asphalt pavement structures and constructions.The pavement structure comprises a roadbed layer, a bonding layer, an asphalt mixture layer, a middle layer and a heat preservation coating which are sequentially arranged from bottom to top; the heat preservation coating comprises a bottom layer, a middle layer and a surface layer which are sequentially arranged from bottom to top. Compared with the traditional asphalt pavement, the pavement surface temperature can be effectively reduced by 10.0-20.0 DEG C by adopting the drainage asphalt-large-gap composite permeable pavement, so that the diseases such as asphalt aging and rutting caused by high temperature of the traditional asphalt pavement are effectively reduced; the large-gap drainage structure can effectively reduce high driving safety risks caused by road surface water runoff in the rainy season; meanwhile, the light reflectivity of the road surface is further improved by painting the macromolecular colored heat-insulating coating, the cooling and anti-dazzle effects are achieved, and the driving safety risk is improved; and the method has excellent environmental benefits.

The application discloses an electronic paper display panel, a driving method thereof and a display device. The electronic paper display panel comprises a first substrate, a first electrode, a pixel definition layer, a reflection layer, a plasmonic resonance layer, an electrochromic component, a second electrode and a second substrate. The first electrode is arranged on the first substrate. The pixel definition layer is arranged on the first electrode. A plurality of microcavities arranged in an array are arranged in the pixel definition layer. The reflection layer is arranged on the sidewall and the bottom of the microcavities. The plasmonic resonance layer is used for generating structural color. The plasmonic resonance layer is arranged on the bottom of the microcavities and located on the reflection layer. The electrochromic component is arranged on the plasmonic resonance layer. Through the above design, the color saturation and the light reflectivity of the electronic paper can be improved.

The utility model provides a kind of four sides shrinkage magnetic control sputtering energy-saving base film, including first composite layer structure, second composite layer structure, third composite layer structure, wherein first composite layer structure and second composite layer structure between being provided with first barrier layer, the second composite layer structure and third composite layer structure between being provided with second barrier layer, wherein first composite layer structure, second composite layer structure and third composite layer structure all include niobium oxide layer, zinc-aluminium oxide layer and silver alloy layer. The utility model is optimized by three-layer composite structure design and barrier layer.

This invention discloses a modified organic black dye and its preparation method, relating to the field of dye modification technology. The preparation method includes the following steps: (1) chemically modifying the organic black dye with a linker to obtain a modified black dye; (2) preparing polymer microspheres using a soap-free emulsion polymerization method; (3) chemically bonding the modified black dye obtained in step (1) with the polymer microspheres obtained in step (2) to obtain a spherical modified organic black dye. The preparation method of this invention combines the organic black dye with polymer microspheres through chemical bonds to form a spherical dye, improving the dye morphology and enhancing its flowability and dispersion uniformity. Furthermore, the polymer microspheres prepared using the soap-free emulsion polymerization technology of this invention have controllable particle size and good monodispersity, resulting in uniform particle size of the final dye particles, making them suitable for applications with strict particle size requirements.

The invention discloses a halogen-free flame-retardant semi-aromatic polyamide composite material which comprises the following components in parts by weight: 40-75 parts of PA5T / X resin; 5-25 parts of a halogen-free flame retardant; 25-60 parts of a reflective filler; according to the halogen-free flame-retardant semi-aromatic polyamide composite material disclosed by the invention, the 460nm light reflectivity of the composite material can be greater than 90% mainly through titanium dioxide, wollastonite and hydrotalcite in a specific weight ratio, and meanwhile, the halogen-free flame-retardant semi-aromatic polyamide composite material has an anti-yellowing effect, so that the halogen-free flame-retardant semi-aromatic polyamide composite material disclosed by the invention is suitable for being used as an LED light source reflection bracket material.