31results about How to "With shield" patented technology

The invention discloses a nano-scale insulation board and a manufacturing method thereof. The board body is manufactured by coating a thermal insulation material in a non-woven fabric and packaging the thermal insulation material in a packaging bag in a vacuum seal mode. The thermal insulation material comprises the following raw materials in percentage by weight: 70 to 80 percent of nano-scale fumed silica, 1 to 3 percent of reinforced fiber, 1 to 3 percent of far infrared additive, 12 to 18 percent of silicon carbide, 0.8 to 1.2 percent of drying agent and 5 to 10 percent of adhesive, wherein the heat conductivity coefficient is less than or equal to 0.008W / (m.K). Due to detection, the heat conductivity coefficient of the product is less than 0.008W / (m.K), the heat preservation and heat insulation performances are high, the product is light, the defects that the traditional wall heat preservation building materials have poor fireproof performance, poor heat preservation and heat insulation performances and low crack resistance can be overcome, and the nano-scale insulation board can be widely applied to heat preservation and heat insulation roofs of buildings, outer-wall external thermal insulation and outer-wall internal thermal insulation construction.

The invention discloses a transparent thermal insulation film, which is composed of transparent base and nanometer transparent insulating coating, wherein the paint is sprayed on the surface of transparent film base, which is dried to obtain transparent product. The invention is fit for automobile window and architectural window.

The invention discloses a flexible heat dissipation film and a preparation method thereof, and the invention relates to the field of electronic materials. The heat dissipation film includes a carrier film and a protective film layer, and at least one heat dissipation layer group between the carrier film and the protective film layer; The heat dissipation metal film layer on one surface of the heat dissipation adhesive film layer is used for longitudinal heat transfer, thereby forming a heat dissipation layer group with two-way heat transfer; wherein, the raw materials of the heat dissipation adhesive film layer include magnetized high thermal conductivity powder and Resin; wherein, the heat dissipation metal film is formed by depositing the material source on the surface of the heat dissipation adhesive film layer after forming atoms or molecules by physical means. The heat dissipation film of the present application is easy to operate, and the formed film layer is thin and dense, and is suitable for various electronic products and communication equipment.

The invention discloses a building surface composite membrane structure, preparation method and application, and belongs to the technical field of building materials. The composite membrane structure includes at least three membrane layers and flow guide components: the first membrane layer is installed on the building surface; the second membrane layer The film layer is sealed and connected with the first film layer to form a sealed space; the third film layer is sealed and connected with the second film layer to form a diversion space; the sealed space is arranged relative to the diversion space A position close to the building surface; the air guiding component is arranged in the air guiding space, and guides the gas in the air guiding space. By designing three membrane layers to form two enclosed spaces, the tension of the composite membrane structure can be increased, and in the two enclosed spaces, the air flow can be guided by the guide assembly, and the gas can be exchanged and circulated, which can reduce the deposition of dust. At the same time, the two enclosed spaces can Increase the thermal insulation and sound insulation function of the composite membrane structure.

The invention discloses a chemistry leakage treatment vehicle. The chemistry leakage treatment vehicle comprises a vehicle body unit, an environment detection unit, and an emergency response unit; the vehicle body unit comprises a wheel group, an accommodating chamber, an opening communicated with the accommodating chamber, and at least one a protection door capable of sealing the opening in an opening manner; the environment detection unit is arranged on the vehicle body unit, and comprises a detection module capable of detecting the environment and sending out a detection signal periodically, a processing module capable of receiving the detection signal and sending out a processing signal, and a response module capable of receiving the processing signal and sending out a response signal; the emergency response unit is arranged on the vehicle body unit and comprises a water storage tank, at least one water spray nozzle, and a driving module capable of spraying a content in the water storage tank via the water spray nozzle. The chemistry leakage treatment vehicle can be not only used for storing tools and instruments, but also possesses shielding, environment detection, alarming, and emergency fire controlling functions.

The invention provides a method for preparing amorphous and nanocrystalline improved polyester self-cleaning shielding fibers, which mainly includes selecting polyester chips with good spinnability as spinning substrates, and selecting amorphous and nanocrystalline nano functional powders as functional additives, wherein the functional The additives are selected from CNTs (mass fraction 0.05%~8%) that can improve electrical conductivity and mechanical properties, one or all of magnetic nanoparticles FeCo, Fe3O4 (0.05%~12%), spinning matrix and functional Additive blending, melt spinning and other processes. The fiber obtained by the invention can achieve the uniform dispersion and spinnability of the nano-additive, and at the same time has the synergistic effect of improving the mechanical properties, increasing the antibacterial properties and electromagnetic shielding properties of the polyester polyester.

The invention discloses an inflaming-retarding transparent plasticized PVC (Polyvinyl Chloride) functional thin film and a preparation method. The inflaming-retarding transparent plasticized PVC functional thin film has the characteristics of selectively transmitting and absorbing a solar spectrum and multiple functions of efficiently shielding ultraviolet rays, infrared rays, energetic visible light-blue light and the like. The inflaming-retarding transparent plasticized PVC functional thin film has an average shielding rate, which is up to 99 percent or above, in a 200nm to 400nm of ultraviolet waveband and an average inhibition rate, which is up to 99 percent or above, for 400nm to 500nm of the energetic visible light (blue light), and meanwhile, has a limit oxygen index which is more than 30 percent. The inflaming-retarding transparent plasticized PVC functional thin film provided by the invention is prepared from the following raw materials by mass: 100 parts of PVC resin, 60 to 70 parts of compound plasticizer, 2 parts of compound heat stabilizer, 0.1 to 1 part of compound light stabilizer, 0.1 to 0.5 part of functional pigment and 0.5 to 1 part of surface graft-modified metallic oxide.