7results about How to "Improves UV protection" patented technology

This utility model belongs to the field of power transmission and distribution engineering technology, specifically disclosing an overhead insulated conductor with a reinforced tensile structure. It includes an aluminum conductor, an insulating separator sleeve fitted over the aluminum conductor, an insulating separator sleeve fixedly connected to the outside of the insulating separator sleeve, and a galvanized copper conductor on the outside of the insulating separator sleeve. It also includes reinforcing ribs, fixing blocks, and an outer protective layer for the conductor. The reinforcing ribs are used to improve the tensile strength of the conductor; the fixing blocks are used to fix the internal structure of the conductor. The beneficial effect of this utility model is that by using a non-metallic aramid fiber reinforcing layer and a glass fiber inner protective layer to jointly bear the load, the mechanical tensile function and electrical conduction function of the conductor are separated. The main tensile force is borne by extremely high-strength, extremely lightweight synthetic fibers, enabling the conductor to have a tensile strength and fatigue resistance far exceeding that of traditional steel-cored aluminum stranded wires of the same diameter, while significantly reducing the self-weight of the conductor and the load on the tower.

The utility model belongs to the technical field of car roof tents, and provides a hard-shell folding car roof tent which comprises a base, folding gable walls symmetrically arranged on the base, heat insulation plates symmetrically arranged on the base, rotating plates hinged to the two heat insulation plates, first hydraulic telescopic rods arranged on the base, and the ends of the first hydraulic telescopic rods arranged on heat insulation plate frames. Second hydraulic telescopic rods are symmetrically arranged on the side edges of the folding gable, and the ends of the second hydraulic telescopic rods are arranged on a rotating plate. The two second hydraulic telescopic rods are controlled by the hydraulic system to dynamically adjust the rotating plate, dynamic adjustment can be achieved according to environmental conditions such as wind power and rainfall, the tent is prevented from being damaged by strong wind impact, and the tent is suitable for outdoor environments in four seasons and can be unfolded when no wind exists, so that the use space is expanded, and the space utilization rate is increased. And the heat insulation cloth is combined with the heat insulation plate composite board, so that the rainproof performance, the ultraviolet-proof performance and the heat insulation performance are comprehensively improved.

The invention discloses a strong-sun-protection moisture-absorption quick-dry breathable dry elastic fabric and a preparation process thereof, and relates to the technical field of fabrics. The preparation method comprises the following steps: step 1, preparing polyester spandex core-spun yarns by taking polyester yarns with a sun-proof function as sheath yarns and spandex yarns as core yarns; tatting by taking the fabric as warp yarns and weft yarns to obtain a tatted fabric; 2, the woven fabric is sequentially subjected to low-temperature pretreatment with alkali liquor, first cation finishing liquid treatment, sulfonic gelatin finishing liquid treatment and second cation finishing liquid treatment; and performing high-temperature setting to obtain the strong-sun-protection moisture-absorption quick-drying breathable dry elastic fabric. In the application, the covering yarn with the sunscreen property is used as an internal sunscreen layer, and the finishing layer on the surface of the fabric is used as an external sunscreen layer, so that the high-strength ultraviolet protection property of the fabric is synergistically realized; meanwhile, the prepared fabric has excellent moisture absorption and quick drying properties and washing fastness.

The application relates to the technical field of paint, and discloses a steel casting coated with high-strength high-toughness weather-resistant paint and a preparation method thereof; the steel casting coated with high-strength high-toughness weather-resistant paint comprises the following operation steps: uniformly mixing epoxy resin, modified polyimide, alkylated lignin composite material, polyamide and a solvent to obtain high-strength high-toughness weather-resistant paint; a basic steel casting is cleaned in acetone, washed with water, dried, coated with the high-strength high-toughness weather-resistant paint, and cured at a high temperature to obtain the steel casting; in the scheme, a benzoyl ketone group structure is introduced into lignin and into polyimide to synergistically improve the mechanical properties, but the strength is too high and the weather resistance is limited, so an alkane structure is further introduced into the obtained amino benzoyl ketone group lignin as a filler to enhance the toughness and weather resistance of the coating.

The utility model relates to the technical field of control cables, in particular to a copper core flexible conductor cross-linked polyethylene insulation polyvinyl chloride sheath control cable, which comprises a copper core flexible conductor, a fluororubber insulation layer is wrapped on the surface of the copper core flexible conductor, a fiber factice layer is arranged on the surface of the fluororubber insulation layer, and a cross-linked polyethylene insulation polyvinyl chloride sheath is arranged on the surface of the fiber factice layer. The surface of the fiber factice layer is wrapped with a crosslinked polyethylene insulating layer, the surface of the crosslinked polyethylene insulating layer is provided with a metal armor layer, the surface of the metal armor layer is fixedly sleeved with a polyvinyl chloride sheath layer, the surface of the fluororubber insulating layer is provided with a heat-resistant layer, the heat-resistant layer comprises a transparent mylar layer, and the transparent mylar layer is provided with a heat-resistant layer. The surface of the transparent mylar layer is wrapped with a wrapping tape layer. According to the utility model, through cooperation of the transparent mylar layer, the wrapping tape layer and the low-smoke halogen-free polyolefin material layer, the cable has excellent high temperature resistance and flame retardation performance, also has strong ultraviolet-proof capability, and is stable in transmission performance.

This invention relates to a salt spray resistant and anti-aging curing coating and its preparation method, belonging to the field of coating technology. The coating includes modified epoxy resin, ternary nanocomposite filler, composite light stabilizer, hydrophobic eutectic solvent, polysiloxane-modified aromatic amine curing agent, and bio-based polyurethane curing agent. The modified epoxy resin is prepared by reacting bisphenol F epoxy resin, KH-560 silane coupling agent, and tetrabutylammonium bromide, followed by the addition of bi-terminated epoxy silicone oil, 3,3'-dithiodipropionic acid, and p-toluenesulfonic acid, and then by adding pentaerythritol phosphate and antioxidant 1010. The polysiloxane-modified aromatic amine curing agent is prepared by reacting m-phenylenediamine as a matrix, KH-560 silane coupling agent, diphenylsilanediol, and dibutyltin dilaurate. The bio-based polyurethane curing agent is prepared by reacting castor oil-modified polyol, isophorone diisocyanate, dibutyltin dilaurate, dimethylolpropionic acid, and trimethylolpropane.

The invention discloses silk-screen printing ink and a preparation method thereof, and relates to the technical field of functional materials.The silk-screen printing ink comprises a first component, a second component and a curing agent component, the first component comprises alicyclic epoxy resin, an organic ultraviolet light absorber and an additive, and the second component comprises a second component and a curing agent component; the second component comprises hydrogenated bisphenol A epoxy resin, mica-based titanium dioxide, pigment, a dispersing agent and a solvent; the mica-based titanium dioxide comprises a mica matrix and a titanium dioxide coating layer coating the mica sheet. The mica-based titanium dioxide and the organic ultraviolet light absorber are adopted at the same time and promote each other, so that the duration time of the ultraviolet-proof and sunlight radiation-resistant capability of the ink is prolonged, and more lasting protection can be carried out.