7results about How to "UV resistant" patented technology

The application discloses a kind of preparation methods for high transparent polyethylene film additive, belong to polyethylene technical field, to solve the technical problems of high transparent polyethylene film in prior art, high production cost, aging resistance performance needs to be further provided, including nucleating agent grafting quaternary ammonium salt modified nanosilica and low-density polyethylene are mixed, initiator is added, by melt grafting reaction in twin-screw extruder, reaction is finished, extrusion, cooling, granulation, obtain intermediate I;Intermediate I, antioxidant 168, antioxidant 1076, zinc stearate, antistatic agent 1800 and mustard acid amide are mixed, to obtain high transparent polyethylene film additive;The high transparent polyethylene film additive prepared in the application is mixed with low-density polyethylene, and the processing performance is good, to obtain the high transparent polyethylene film with lower cost;This film not only has good transparency and tensile property, but also has good aging resistance.

The application discloses a kind of weather-resistant ultraviolet-resistant overhead insulated cable and preparation method thereof.Cable is sequentially arranged with rare earth aluminum alloy conductor with alumina ceramic membrane, conductor shielding layer, gradient functional composite insulation layer and biomimetic super-hydrophobic outer sheath from inside to outside, and passive surface acoustic wave sensing component is uniformly laid out.The insulation layer is three-layer co-extrusion molding: heat-conducting insulation inner layer filler is radially oriented, self-repairing enhanced middle layer contains dynamic covalent bond and photo-thermal microcapsule, and weather-resistant ultraviolet-resistant outer layer is compounded with core-shell ultraviolet shielding agent.The outer sheath is modified with fluorosilane, and the water contact angle is greater than or equal to 150°.The sensing component wirelessly monitors temperature, ultraviolet cumulative dose and deformation.The cable has a service life of more than thirty years, has natural light self-repairing and passive online monitoring functions, has strong environmental adaptability, and has low operation and maintenance cost.

The utility model relates to the technical field of protective equipment, and disclose a kind of professional protective equipment storage bag, including storage bag main body, still include: interlayer, fixedly connected in the one side of storage bag main body, the bottom of interlayer inner chamber is fixedly connected with two groups of elastic limiting band for limiting article, the side of interlayer is provided with connecting cover;Several partition plates are set in the inner chamber of storage bag main body, and the inner wall of storage bag main body is fixedly connected with sub magic paste;The utility model's storage bag main body, interlayer and connecting cover inside all have storage space, can be classified and stored to different equipment, storage bag main body can store larger volume article, interlayer and connecting cover can store small volume article, and adjustable partition plate in storage bag main body can be adjusted according to the size of article, the partition of storage bag main body interior is adjusted, more extensive application range, and using nanometer antibacterial coating can promote protection level, realize long-acting antibacterial effect.

The invention relates to the technical field of coatings, in particular to water-based two-component low-temperature stoving varnish for a photovoltaic frame and a preparation method of the water-based two-component low-temperature stoving varnish. The water-based two-component low-temperature stoving varnish for the photovoltaic frame comprises a component A and a component B, comprising the following raw materials in parts by weight: 50-60 parts of resin, 10-25 parts of functional filler, 4-10 parts of a solvent, 0.2-0.5 part of a defoaming agent, 0.1-0.3 part of a wetting agent, 0.5-1.5 parts of a dispersing agent, 0.2-0.5 part of a thickening agent and 10-15 parts of water, and the component B is isocyanate. The low-temperature baking varnish prepared by the invention has good adhesive force and excellent corrosion resistance, aging resistance and wear resistance.

The invention provides an integrated forming process of an extra-high-voltage alternating-current and direct-current insulating soft sling, belongs to the technical field of high-voltage insulating slings, and solves the technical problems that an existing insulating soft sling is low in preparation efficiency, poor in performance and the like. The integrated forming process of the insulating soft suspender comprises the following steps: weaving a textile fabric layer belt; performing vacuum infiltration; laminating and vulcanizing; performing fiber pretreatment and surface modification; preparing impregnating resin liquid; impregnating the inner and outer coating layers; dipping the modified fiber; integrally forming; heating and curing; carrying out continuous traction and fixed-length cutting; and light-weight end heads are integrally connected. Through multi-layer composite structure innovation and precise material matching, breakthrough improvement of product performance is achieved, the product has the comprehensive protection characteristics of super-hydrophobicity, ultraviolet resistance and the like, and the harsh requirements under the extra-high voltage environment are met; and the production line adopts highly integrated and automatic design, so that the continuity, accuracy and flexibility of production are ensured.

The invention provides a biomass composite reinforced PBAT multifunctional fully biodegradable plastic and a preparation method thereof, and relates to the technical field of materials. The method comprises the following steps: dispersing industrial alkali lignin in an ethyl acetate solvent to obtain an industrial alkali lignin solution; carrying out suction filtration on the industrial alkali lignin solution, and concentrating and drying the obtained filtrate to obtain lignin; then mixing the PBAT resin, lignin and a compatibilizer, and carrying out hot press molding after mixing is finished, so as to obtain the biomass composite reinforced PBAT multifunctional fully biodegradable plastic.

This invention discloses a nano-deposited, heavy-duty anti-corrosion graphene composite nano-coating, which is composed of the following components by weight: 66-82 parts of a polyimide-toughened polyphthalonitrile resin composition solution; 1-2 parts of nano-calcium silicate; 1-2 parts of nano-silicon nitride; 1-2 parts of graphene; 3-5 parts of 1,3,5-tris(trimethoxysilylpropyl)isocyanurate; 2-3 parts of lead powder; 1-2 parts of chromium carbide powder; 1-2 parts of tungsten powder; 1-2 parts of cobalt powder; 1-2 parts of silicon carbide; 1-2 parts of tungsten carbide powder; 1-2 parts of nickel powder; 1-2 parts of boron powder; 1-2 parts of rhenium powder; 1-2 parts of zirconium carbide powder; and 1-2 parts of zirconium oxide powder. After baking, cross-linking, and curing, the coating forms a powder coating with properties such as high temperature resistance, resistance to rapid heating and cooling, fire resistance and scorching prevention, heat insulation and heat dissipation, resistance to damp heat, salt spray resistance, impact resistance, and low friction.