12results about How to "High fire rating" patented technology

The invention relates to the field of building materials, and particularly discloses a fireproof plate and a preparation method thereof. The fireproof board comprises a base material, reinforcing layers wrapping the two sides of the base material and fireproof coatings coating the outer surfaces of the two sides of the board, the base material comprises wood flour, silicate compounds and phenolic resin adhesives, the two sides of the base material are wrapped with glass fiber mesh cloth to serve as the reinforcing layers, and the surfaces of the base material are coated with the fireproof coatings; the fireproof coating is prepared from the following raw materials in parts by weight: 20 to 30 parts of hollow glass beads, 10 to 15 parts of ammonium polyphosphate, 5 to 10 parts of nano metal oxide, 10 to 15 parts of magnesia, 5 to 10 parts of tetraethoxysilane, 15 to 30 parts of epoxy resin and 30 to 40 parts of water. The composition disclosed by the invention has the advantages of fire prevention and high temperature resistance.

This utility model discloses a compartmentalized fireproof insulation board, relating to the field of insulation board technology. The insulation board includes two main panels, located on the front and rear sides of a whole assembly. Intersecting heat insulation panels are provided between the two main panels, forming multiple independent compartments. The inner wall of each main panel has multiple heat insulation holes, each containing multiple heat-conducting sheets. The compartments are filled with insulation material, and the inner walls are coated with fire-retardant paint. The heat insulation panels are fixed to the main panels with high-temperature resistant adhesive. Its working principle utilizes the double main panels and heat insulation panels to construct a frame; the heat insulation holes and insulation material achieve heat preservation; the heat-conducting sheets balance the temperature; and the compartments and fire-retardant paint provide fire resistance. This insulation board combines fire resistance and heat preservation, has a stable structure, and is economical.

The application relates to the technical field of movable floors, and discloses a double-layer ventilation and heat dissipation type anti-static movable floor, which comprises a base plate, a plurality of mounting holes are arranged on the base plate, support plates are fixedly connected to the two sides of the top of the base plate, a floor tile body is placed at the bottom of the support plate, a strip-shaped groove is arranged on the periphery of the floor tile body, a rubber strip is mounted in the strip-shaped groove, a plurality of anti-skid blocks are fixedly connected to the top of the floor tile body, the spacing between rock wool boards and the floor tile body is 4CM, heat generated by electronic equipment can be efficiently dissipated, and the performance of the equipment can be effectively prevented from being affected by high temperature or the service life of the equipment can be effectively prolonged; meanwhile, the mounting holes of the base plate enhance the stability of the whole in connection with the ground, the rubber strip on the periphery of the floor tile body improves the sealing property, the anti-skid blocks improve the use safety, the cooperation of the dovetail-shaped mounting grooves and the wedges makes the installation more convenient and the splicing more firm, so that the floor has the advantages of structural stability, efficient installation and the like while ensuring ventilation and heat dissipation.

The invention relates to the technical field of acrylic plates, in particular to an oil-stain-resistant acrylic plate and a preparation method thereof.Graphene modified polymethyl methacrylate serves as a base material to prepare the acrylic plate, the prepared acrylic plate can have excellent oil-stain-resistant performance, graphene serves as a two-dimensional carbon material, and the oil-stain-resistant performance of the acrylic plate is improved; due to the extremely high specific surface area and excellent physical performance, the surface energy of the material can be effectively improved, the adsorption capacity of oil stains is reduced, graphene is uniformly dispersed in a polymethyl methacrylate matrix through an in-situ polymerization method, the original processing performance of polymethyl methacrylate can be kept, and the mechanical property of the polymethyl methacrylate is improved. The material can be endowed with super-hydrophobic and low-surface-energy characteristics, so that the oil stain prevention effect is remarkably improved; secondly, due to the addition of modified zinc oxide, modified titanium dioxide and modified silicon dioxide, the surface self-cleaning capability of the material can be further enhanced under the action of organic functional groups on the surfaces and a silane coupling agent, so that oil stains are difficult to adhere and easy to clean.

The invention relates to the technical field of building outer wall heat preservation, in particular to a novel 360-degree continuous fireproof heat preservation and insulation system which comprises a three-dimensional heat preservation system, an outer wall heat preservation system and a connection heat preservation system, and the three-dimensional heat preservation system comprises a multi-face heat preservation outer wall, a heat preservation roof and a heat preservation ground; the outer wall heat preservation system comprises outer wall treatment layers, heat storage material layers and outer wall protection layers, the outer wall treatment layers are arranged on the two sides of a room, the heat storage material layers are arranged on the sides, away from room outer walls, of the outer wall treatment layers, and the outer wall protection layers are arranged on the sides, away from the outer wall treatment layers, of the heat storage material layers. The connection heat preservation system comprises a connection treatment layer, a heat insulation material layer and a connection protection layer, the connection treatment layer is arranged at the connection position, the heat insulation material layer is arranged on the side, away from the connection position, of the connection treatment layer, and the connection protection layer is arranged on the side, away from the connection treatment layer, of the heat insulation material layer. The method has the effect of improving the fireproof and thermal insulation performance of the building.

The present application relates to the technical field of building construction, in particular to a medical spliced antibacterial medical board construction method, comprising the following steps: A, wall surface quality acceptance; B, line marking; C, drilling and inserting screw sleeve; D, installing keel; E, installing fastener; F, installing antibacterial medical board; G, sealing glue; The construction method has the advantages of simple construction process, less construction procedure, high quality reliability and the like; The construction speed can be greatly improved by using the construction method, and the construction period is shortened; Further, the antibacterial medical board adopts a "dry hanging" fixing mode, which ensures the safety of the system; Compared with the phenolic resin board construction, the fireproof grade, wear resistance, formaldehyde content, moisture resistance, stain resistance, scratch resistance and other performances are significantly improved, so that the construction process is more environmentally friendly and safe.

The present invention discloses a porous oil fume separation plate and a preparation method thereof, wherein the porous oil fume separation plate comprises a porous foam metal plate and a glaze coated on the porous foam metal plate. The preparation method comprises first preparing the glaze slurry, and then immersing the porous foam metal plate in the glaze slurry twice, drying the porous foam metal plate for different time periods, and then sintering and cooling the porous oil fume separation plate at high temperature. The porous oil fume separation plate of the present invention has low cost, high interception efficiency, low wind resistance, long service life, high fireproof grade, and easy maintenance. The porous oil fume separation plate can solve many problems existing in the field of oil fume separation of traditional materials, such as high cost, inconvenient cleaning and maintenance, acid and alkali resistance, and easy rust.

The invention relates to the technical field of polyamide, and particularly provides flame-retardant antistatic polyamide and a preparation method thereof. The flame-retardant antistatic polyamide is characterized in that the limit oxygen index of the flame-retardant antistatic polyamide is 29%-33%, the surface resistance of the flame-retardant antistatic polyamide is 105-109 omega, and the tensile strength of the flame-retardant antistatic polyamide is 70-90 MPa. The preparation method is used for preparing the flame-retardant antistatic polyamide. The polyamide and the preparation method provided by the invention are used for realizing direct extrusion granulation after blending components are mixed while tackifying, and the preparation process is simplified.

The utility model discloses an assembly type flame-retardant fireproof acoustic panel which comprises an acoustic panel body, the acoustic panel body comprises a base plate located in the acoustic panel body, a sound insulation cavity is formed in the base plate, reinforcing ribs are fixedly installed in the sound insulation cavity, a fireproof plate is fixedly installed on the outer surface of the base plate, and the fireproof plate is fixedly installed on the outer surface of the base plate. And a flame-retardant coating is fixedly mounted on the outer surface of the fireproof plate. According to the technical scheme, the base plate, the sound insulation cavities, the reinforcing ribs, the fireproof plate, the flame-retardant coating, the sound absorption holes and the straw plate are matched to form the fireproof and flame-retardant sound absorption plate body, the base plate is designed to be made of polyester plate materials, the polyester plate has good flame-retardant performance, and besides the sound absorption, environment protection and flame-retardant characteristics, the fireproof and flame-retardant sound absorption plate has the advantages of being good in flame-retardant performance and good in flame-retardant performance. The polyester plate also has the advantages of heat insulation, heat preservation, moisture prevention, mildew prevention and the like; and by arranging the reinforcing ribs, the structural stability and impact resistance of the acoustic panel body can be enhanced, and the overall structure of the acoustic panel body becomes more stable.

The invention relates to the technical field of building construction, in particular to a medical spliced antibacterial medical plate construction method which comprises the following steps: A, wall surface quality acceptance; b, paying off and marking; c, drilling and inserting a screw sleeve; d, keels are installed; e, fasteners are installed; f, mounting an antibacterial medical plate; g, applying a sealant; the construction method has the advantages of simple construction process, fewer construction procedures, high quality reliability and the like; by adopting the construction method, the construction speed can be greatly increased, and the construction period is shortened; furthermore, the antibacterial medical plate adopts a'dry hanging 'fixing mode, so that the safety of the system is guaranteed; compared with construction by adopting a phenolic resin plate, the fireproof grade, the wear resistance, the formaldehyde content, the moisture resistance, the stain resistance, the scratch resistance and other properties are obviously improved, so that the construction process is more environment-friendly and safer.

The utility model provides a silica gel sleeve lamp strip which comprises a lamp strip body, a positive electrode wire and a negative electrode wire are respectively connected out of the lamp strip body, and a silica gel protective sleeve is arranged outside the lamp strip body in the circumferential direction in a wrapping mode. One of the two ends of the silica gel protective sleeve is a packaging section, the other end of the silica gel protective sleeve is a wiring end, two holes are formed in the silica gel protective sleeve of the wiring end, a positive wire and a negative wire are led out of the lamp strip body, correspond to the two holes respectively and are led out of the holes, and the positive wire and the negative wire are connected with wiring terminals after being led out. The lamp strip is reasonable in structural design, and the assembled lamp strip is softer, not easy to break and longer in service life on the premise of ensuring the use performance through the flexibility of the material. And meanwhile, due to the design of the silica gel protective sleeve and the silica gel cap, the fireproof grade of the lamp strip is higher, and the safety and reliability of the lamp strip are further improved.

The invention relates to an indoor intumescent steel structure aerogel fire retardant coating and a preparation method and application thereof. The indoor intumescent steel structure aerogel fire retardant coating comprises the following components by weight: 5-15 parts of white pigment, 8-15 parts of carbon former, 0.25-1 part of reinforcing agent, 12-35 parts of binder, 0.1-0.3 part of thickener, 0.3-0.5 part of bactericide, 0.1-0.3 part of pH value regulator, 0.2-0.5 part of defoamer, 0.3-1 part of dispersant, 0.5-5 parts of aerogel material and 15-35 parts of water. The fire retardant coating provided by the invention has good flame retardancy and corrosion resistance, is a fully aqueous system, is a product without artificially added toxic and harmful substances such as formaldehyde and benzene series, can improve the fire resistance level of buildings, protect steel structures from deformation and melting, and has good application prospects.