77results about How to "Improve waterproof and fireproof performance" patented technology

The invention discloses a high definition print processing method for the surface of a cementum plate and the cementum plate with prints. The processing method comprises the following steps: sanding the cementum plate: a layer of permeable primer is painted on the front of the cementum plate; processing putty; painting a layer of seal undercoat; sanding processing; painting a layer of white primer; sanding processing; painting a layer of super-white paint. The surface of the cementum plate is subjected to special pretreatment, thus colored paint and ink can be stuck on the surface of the cementum plate, and the surface of the cementum plate is provided with a variety of colors, figures or patterns, and the patterns are not easy to fall off. Therefore the cementum plate with the prints is wear-resisting, ageing resistant, not susceptible to pollution and waterproof, and has good fire prevention performance. The cementum plate with the prints is suitable for decorating the indoor wall face. The cementum plate is provided with the fire-prevention, tough, impact resistant and environment-friendly performances of the cementum plate as well as the decoration effects of high imitation wood grain, marbling, personalized patterns, and the preparation cost is lower.

The invention discloses a waterproof and fireproof coating for an aluminum charger shell. The waterproof and fireproof coating is prepared from the following raw materials: polyurethane, vinyl acetatehomopolymer milk, styrene-acrylate copolymerized emulsion, nano titanium dioxide, nano magnesium hydroxide, expanded vermiculite, molybdenum disulfide, attapulgite, nano zinc borate, magnesium hydroxide, nano barium sulfate, aluminium triphosphate, meerschaum, tributyl phosphate, sodium polyacrylate, polyamide, a silane coupling agent KH-560, fluorosilicon oil, carbonized cellulose, a curing agent, a waterproof modification additive and a fireproof modified filling material. The coating for the aluminum charger shell disclosed by the invention has excellent waterproof and fireproof performance.

The invention belongs to the field of building materials, and particularly relates to a novel building heat-preservation and anti-seismic material and a preparation method thereof. The novel buildingheat-preservation and anti-seismic material is prepared from the following components in parts by mass: 30-100 parts of straw, 20-80 parts of rubber powder, 60-250 parts of magnesium oxide, 20-80 parts of magnesium chloride, 50-215 parts of water, 7-28 parts of urea formaldehyde resin, 4-20 parts of ferrous sulfate, 2-10 parts of silicone acrylic emulsion, and 0.1-1.0 part of an additive. The preparation method comprises the following steps that raw materials are weighed, the magnesium chloride, the urea formaldehyde resin, the ferrous sulfate and the silicone acrylic emulsion are dissolved inwater and mixed, and even stirring is conducted to obtain a mixed solution; the straw and the rubber powder are mixed and evenly stirred, and a mixture is obtained; the magnesium oxide is added intothe mixed solution, sufficient and even stirring is conducted to form slurry; the mixture is added into the slurry, and even stirring is conducted to form a mixed material; and a mold is evenly filledwith the mixed material, after cold press molding, demolding is conducted, curing is conducted in air until the age is reached, and thus the novel building heat-preservation and anti-seismic materialis obtained. The novel building heat-preservation and anti-seismic material has the characteristics of low volume weight, high strength, low heat conductivity coefficient, good waterproof, fireproofand anti-corrosion performance, and the like.

The invention relates to the technical field of plastic-steel doors and windows, and discloses a plastic-steel door and window unit with heat preservation and sound insulation functions and a preparation process of the plastic-steel door and window unit. The plastic-steel door and window unit comprises a plastic-steel door and window frame body, wherein laminated glass is fixedly installed in the middle of the plastic-steel door and window frame body, a PVC plate layer is arranged on the outermost layer of the plastic-steel door and window frame body, a glass wool cloth layer is arranged on the inner surface of the PVC plate layer, a composite filler layer is arranged on the inner surface of the glass wool cloth layer, a foaming agent core is arranged on the inner surface of the composite filler layer, a steel plate layer is arranged on the inner surface of the foaming agent core, a silencing cavity is formed on the inner surface of the steel plate layer, a silencing rod is arranged in the silencing cavity, a heat preservation layer is arranged on the inner surface of the silencing cavity, a waterproof layer is arranged on the inner surface of the heat preservation layer, and a fireproof layer is arranged on the inner surface of the waterproof layer. The plastic-steel door and window unit prepared with the preparation process of the plastic-steel door and window unit with heat preservation and sound insulation functions has the characteristics of light weight, good weather resistance, acid and alkali corrosion resistance, high strength, good heat preservation and sound insulation performance and long service life.

The invention relates to a special cable for concrete processing machinery. The special cable comprises a cable core, wherein an outer wall of the cable core is provided with an insulating layer; an outer wall of the insulating layer is provided with a soft filling layer; the soft filling layer adheres to an inner wall of an embedded tube; an outer side of the embedded tube is provided with a fixed tube; a filler is arranged between the fixed tube and the embedded tube; an outer wall of the fixed tube is provided with an anti-static layer; an outer side of the anti-static layer is provided with a waterproof layer; an outer side of the waterproof layer is provided with an anti-expansion buffer layer; a plurality of buffer springs are arranged in an inner cavity of the anti-expansion buffer layer; and an outer side of the anti-expansion buffer layer is provided with a fireproof layer. Through adoption of the special cable, the overall strength of the cable is enhanced; the pressure resistant performance of the cable is enhanced; the overall structure of the cable is prevented from being broken easily by stretching; the phenomenon of circuit break is avoided; the damage resistance and corrosion resistance of a surface layer of the cable are enhanced effectively; the waterproof and fireproof performance is enhanced; damage to the cable caused by static electricity is reduced; and the service time of the cable is prolonged. The special cable is novel in structure, and has high practicability.

The invention discloses a formaldehyde-zero ecological plate. The formaldehyde-zero ecological plate is prepared from the following raw materials in parts by weight: 1 to 95 parts of wood flour or wood shavings, 1 to 95 parts of cellosilk, 1 to 50 parts of an organic adhesive, 0.1 to 50 parts of an inorganic adhesive, 0 to 20 parts of aluminum powder, 0.01 to 5 parts of a fire-proofing agent and 0.01 to 2 parts of a water-proofing agent. The invention also discloses a preparation method of the formaldehyde-zero ecological plate. According to the formaldehyde-zero ecological plate disclosed bythe invention, recycled abandoned plates can be reasonably utilized, and the prepared formaldehyde-zero ecological plate has the characteristics of light weight, high compression strength, good fireproofness and waterproofness, zero formaldehyde emission and the like.

An intensive pouring bus duct assembly provided by the present invention comprises a connecting outer box, a splicing unit and a plurality of bus duct units, each bus duct unit comprises a shell and a plurality of copper bars, the surface of each copper bar is provided with a film-coated insulating layer, the plurality of copper bars are stacked and arranged in the inner cavity of the shell in a penetrating manner, and the two ends of each copper bar extend out of the inner cavity of the shell. The copper bars of two adjacent bus duct units are connected through the splicing unit, the connecting outer box is arranged outside the exposed connecting part of the two copper bars, an accommodating space is defined by the outer box, and a fireproof pouring material is poured in the accommodating space. Insulation between the copper bars is achieved through the film-coated insulating layers on the surfaces of the copper bars, the multiple copper bars are stacked and fixed in the shell made of the fireproof pouring material, the copper bars extend out of the front end and the rear end of the shell, the adjacent bus duct units are connected through the splicing units, the occupied space is small, energy is saved, environment friendliness is achieved, the structure is simple, and the waterproof and fireproof performance is excellent; the device is suitable for indoor places with high fire-fighting requirements, and is safe and reliable.

The invention belongs to the field of waterproof sealing caps for sealing cable pipe orifices, and specifically relates to a thermal-shrinkage waterproof sealing cap for a high-voltage cable. The sealing cap is low in dependence on the diameter of the cable and the diameter of a casing pipe, and can achieve the better sealing of guide cables and casing pipes in various sizes. The sealing cap employs an insulating material, and a fire retardant is added for preparation, so the waterproof performance is excellent. The sealing cape is suitable for the protection and sealing of various types of cable pipe orifices, such as a cable protection tube and a cable incoming and outgoing mouths of a transformer substation. The sealing cab can achieve the waterproof, fireproof and insulating functionsat the same time, facilitates the early construction operation and the later maintenance management, and no metal part is exposed outside. The sealing cap is good in aging resistance, insulating performance, waterproof and fireproof performances, is good in corrosion resistance, and is good in application prospect.

The invention discloses a waterproof fireproof control cable comprising a rubber skeleton, wherein the rubber skeleton comprises four circular skeletons with different radiuses; the left side surfacesof the four circular skeletons are fixedly connected together and then the four circular skeletons are successively stacked according to the radiuses; first wire cores are disposed in the four circular skeletons; a plurality of second wire cores are disposed in each of the second circular skeleton, the third circular skeleton and the fourth circular skeleton; each first wire core includes a firstconductor; and the outer side of the first conductor is successively coated with a thermoplastic vulcanized rubber insulating layer and a halogen-free glass fiber wrapping layer. The outer side of the rubber skeleton is successively coated with a glass fiber belt and ceramic silicone rubber belt wrapping layer, a lead alloy inner sheath layer, a waterproof expansion filling layer and an outer sheath. Thus, the cable is good in waterproof and fireproof effect, simple in structure, good in insulation effect, long in service life, stable in operation and low in production cost. An ethylene propylene rubber elastic rod enhances the softness of the cable.

The invention discloses a granite-imitation wall body material and a preparation method thereof. The granite-imitation wall body material is prepared from following raw materials, by weight: 50-80 parts of phosphogypsum, 6-16 parts of cement, 1-2 parts of fibers, 20-30 parts of yellow phosphorus furnace slag and 2-10 parts of quick lime. In the invention, by means of the phosphogypsum, the yellow phosphorus furnace slag and the quick lime as raw materials for preparing the granite-imitation wall body material, a problem that the waste phosphogypsum is stacked just like mountains can be solved. The invention has an important significance on environment protection and sustainable development. The wall body material is light in weight, is good in water and fire resistance, is high in compressive strength and is strong in weather resistance, and can be widely used as an indoor/outdoor decorative material.

The invention belongs to the technical field of wood treatment, and discloses a waterproof, anticorrosive and deformation-proof wood new material plate, which is prepared according to the following steps: a single-layer log plate with a thickness of 8-18 mm is obtained by rotary cutting by a rotary cutting machine, the single-layer log plate and glue are placed in a pressure vessel, the pressure vessel is closed, pressurization is carried out, then the pressure vessel is opened, the plate is taken out, and natural air drying is carried out to obtain the waterproof, anticorrosive and deformation-proof wood new material plate. The glue permeates into log wood through pressure so as to improve the comprehensive performance of the wood.

The invention discloses a phosphogypsum-based stone-like structure building material and a preparation method thereof. The phosphogypsum-based stone-like structure building material is prepared from the following raw materials in parts by weight: 160-240 parts of phosphogypsum, 140-180 parts of electrolytic yellow phosphorus slag and 10-15 parts of quicklime. The preparation method comprises the following steps: burdening, ageing, molding, carrying out autoclaved curing, drying a phosphorus gypsum base material, spraying and forming a finished product. The phosphogypsum-based stone-like structure building material has the characteristics of simple construction process, light weight, good waterproof and fireproof properties, high compressive strength, high breaking strength and high weather resistance, and has a good decoration effect as an indoor decoration building material; meanwhile, a lot of phosphogypsum is consumed; exploitation of natural stones is reduced; and the phosphogypsum-based stone-like structure building material has important significance on environment protection and realization of sustainable development.