572results about How to "Improve fire and flame retardant performance" patented technology

The invention relates to a ceramicized silicon rubber, which comprises 1)60-100 parts of silicon rubber, wherein a general formula is (RnSiO4-n/2)m, R is an organic group, n is the organic number (1,2,3) connected to silicon atoms, and m is polymerization degree (greater than and equal to 2); 2)20-100 parts of silicon dioxide; 3)1-20 parts of silicone oil, wherein the general formula is (RnSiO4-n/2)m, R is an organic group, n is the organic number (1,2,3) connected to silicon atoms, and m is polymerization degree (greater than and equal to 2); 4)0.1-10 parts of coupling agent and 5)20-120 parts of ceramicized powder. The above raw materials are mixed in a kneader and then vacuumized, the ceramicized powder and the coupling agent are added in the kneader and then uniformly mixed to form the bulk ceramicized rubber, and the ceramicized rubber is performed roll mixing and filtered to obtain the ceramicized silicon rubber. The ceramicized silicon rubber has the advantages that the processing is easy, the production cost is low, the ceramicized silicon rubber can be performed ablation to a ceramic shell, and can protect the burned objects from damaging.

The invention discloses a flame-retardant ceramic composite material which comprises the following components in parts by weight: 100 parts of polyolefin, 0-100 parts of silicone rubber, 1-100 parts of silica, 0-30 parts of silicone oil, 0.00001-10 parts of platinum complex or platinum compound calculated based on platinum, 0-10 parts of coupling agent, 0-100 parts of flame retardant, 1-250 parts of porcelain powder, 0-10 parts of antioxidant, and 0.01-10 parts of vulcanizing agent. The materials are mixed in a kneading machine, the materials are added into the kneading machine through vacuumizing and then uniformly mixed so as to obtain bulk ceramic rubber, and after being cooled, the cooled rubber is subjected to open milling by adding the vulcanizing agent so as to obtain the flame-retardant ceramic composite material. The flame-retardant ceramic composite material disclosed by the invention is easy to process and low in production cost, and can be ablated into a ceramic shell so as to protect a burnt object from being damaged. Because a platinum complex or a platinum compound is added in the flame-retardant ceramic composite material disclosed by the invention, the sintering temperature of the flame-retardant ceramic composite material can be reduced, the reaction speed of preparation can be increased, the production efficiency is improved, and the production cost is lowered.

The invention relates to thin fire-resistant/flame-retardant paint for a tunnel and a preparation method thereof. The paint is prepared from the following raw materials in percentage by weight: 40-50% of silicate cement, 5-10% of high-alumina cement, 1-5% of fly ash, 1-5% of redispersible rubber powder, 1-5% of aluminum silicate fiber, 5-10% of expanded perlite, 5-10% of vermiculite, 5-10% of hollow glass microsphere, 5-10% of vitrified microsphere, 1-5% of sepiolite, 1-5% of modified aluminum hydroxide flame retardant, 1-5% of modified magnesium hydroxide flame retardant, 1-5% of expandable graphite flame retardant, 0.5-1% of air entraining agent, 0.5-1% of water reducing agent, 0.5-1% of water repelling agent and 0.5-1% of defoaming agent. The paint provided by the invention has excellent bonding strength, high fire resistance, low heat conductivity and remarkable sound absorption and noise reduction effect, further has favorable moisture resistance, water resistance and durability, and effectively reduces the coating thickness, saves the resources and lowers the construction difficulty on the premise of meeting Chinese standards and related specifications.

The invention relates to a fireproof flame-retardant polyurethane external wall thermal-insulation system material, which is characterized by comprising a moistureproof primer paint, a flame-retardant rigid polyurethane foam material, an interface agent, anti-crack mortar, a fireproof coating and a decorating coating which are arranged sequentially from inside to outside, wherein the flame-retardant rigid polyurethane foam material consists of an component A and a component B; the component A is prepared by mixing 80 to 50 parts by weight of phosphorous flame-retardant polyether polyol, 20 to 50 parts by weight of heterocyclic amine polyether polyol, 2 parts by weight of organic silicon foam stabilizer, 2 parts by weight of dimethylethanolamine catalyst, 1 part by weight of dibutyltin dilaurate catalyst, 20 to 50 parts by weight of flame retardant and 20 to 40 parts by weight of fluoro dichloroethane; the component B is a flame-retardant polyisocyanates curing agent; in the using process, the component A and the component B are mixed and foamed and an isocyanate index is between 1.05 and 1.10. The fireproof flame-retardant polyurethane external wall thermal-insulation system material of the invention has the advantage of having higher fireproof flame-retardant property.

The invention relates to an inorganic fireproof door core material plate, which is formed by forming a mixture from polypropylene fibre, flyash, nano or sub-nano SiO2, mixing the mixture with MgSO4 aqueous solution, AB glue, AB type glue additive, cement foaming assistant agent, cement foaming agent and carbon dioxide gas and curing. The inorganic fireproof door core material plate is very good in fireproof flame retardant property and very good in thermal insulation property. Furthermore, the inorganic fireproof door core material plate is high in intensity; and the combustion property is upto national A1-level standard.

The invention relates to the technical field of silicone rubber, and particularly relates to a ceramic fire-resistant and flame-retardant silicone rubber and a preparation method thereof. The ceramic fire-resistant and flame-retardant silicone rubber is composed of a component A and a component B in a weight ratio of 0.8-1.2: 1. The component A comprises the following raw materials in weight part: 60-140 parts of silicone rubber A, 35-45 parts of reinforcing agent, 60-100 parts of filler A, 11.4-17.2 parts of silane auxiliary agent A, 0.15-0.25 part of lubricant A, 0.1-0.3 part of flame retardant, and 0.5-1.5 parts of vulcanizing agent. The component B comprises the following raw materials in weight part: 60-140 parts of silicone rubber B, 230-290 parts of filler B, 3-6 parts of silane auxiliary agent B, and 0.2-0.4 part of lubricant B. According to the technical scheme of the invention, the ceramic fire-resistant and flame-retardant silicone rubber is good in fire-resistant and flame-retardant property, and excellent in comprehensive performance.

The invention discloses flame-retardant composite yarns and a production method for the same. The flame-retardant composite yarns are characterized in that polyester filament yarns are adopted for central fibers, wherein the outer surfaces of the central fibers are wrapped with wrapping fibers in a winding way; aramid short fibers made from polyisophthaloyl metaphenylene diamine fibers are adopted as the wrapping fibers; the flame-retardant composite yarns are formed by a fully-automatic bobbin winder, a high-speed doubling winder and a two-for-one twisting procedure. According to the flame-retardant composite yarns and the production method for the same, the strength of the composite yarns is greatly strengthened, the advantages of high flame retardance of the aramid short fibers and high tenacity of the polyester filament yarns are effectively integrated, and the composite yarns are suitable for high-speed sewing and is high in sewing processing efficiency; in addition, special garments made from the composite yarns wear comfortable, the sewing requirements of special garments and equipment used in high-temperature working environments can be met, and the composite yarns can be widely used for the sewing of firefighting, electric welding, fireproof and high-temperature resistant fabrics as well as fireproof inorganic roller shutters, fireproof and high-temperature resistant gloves, fireproof gilts and fireproof and high-temperature resistant sealing rings, have good fireproof and flame-retardant effects, and are wide in application range.

The invention relates to a multifunctional fire disaster refuge cabin for high-rise buildings. The multifunctional fire disaster refuge cabin for the high-rise buildings comprises a cuboid cabin body. The shell of the cuboid cabin body is composed of steel materials with ultrathin intumescent fire retardant coating coated. The inner layer of the cuboid cabin body is composed of metal plate materials. An interlayer composed of fire retardant and thermal insulation materials is between the shell and the inner layer. A cabin door composed of a common door and a fire prevention door or a cabin window composed of a common window and a fire prevention window is placed in the front of the cuboid cabin body. An oxygen supply system, an emergency power supply, a pipeline, a lighting lamp and a refuge cabin environment monitoring system are placed inside the cuboid cabin body, wherein the refuge cabin environment monitoring system timely monitors environment inside and outside the cabin. A ventilating system and a spaying system are placed on the top of the cuboid cabin body. The multifunctional fire disaster refuge cabin for the high-rise buildings is simple in equipment operation, good in fire retardant effect, fast in reaction speed, high in surviving rate, long in survival time, strong in self-rescue ability, low in manufacturing cost, and easy to produce, accords with requirement of national lifesaving equipment, is high in safety, large in market of equipment requirement and wide in application range.

The invention relates to the processing technical field of cables, and specifically to a flame-retardant cable. The flame-retardant cable comprises multiple insulating wire core groups, shielding layers, a reinforcement layer, a high-temperature-resistant layer and a protection layer, wherein each insulating wire core layer is formed by multiple insulating wire cores in a stranded manner; each insulating wire core comprises a conductor and a high-temperature insulating layer which coats the exterior of the corresponding conductor; each shielding layer is wound around the periphery of each insulating wire core layer; the peripheries of the shielding layers are packaged by the reinforcement layer; the high-temperature-resistant layer is arranged on the outer surface of the reinforcement layer; the outer surface of the reinforcement layer is coated with the protection layer; and each high-temperature insulating layer is an ethylene-tetrafluoroethylene copolymer layer. The invention also provides a preparation method for the flame-retardant cable. The prepared flame-retardant cable provided by the invention is simple to manufacture, convenient to operate, and relatively good in the fireproof and flame-retardant performance; and meanwhile, the cable is resistant to high temperature and bending, tensile, high in flexibility, and wearproof, and has a quite good protection effect on oxygen, high-energy radiation and harmful metal aging.

The invention relates to the field of encapsulation of electronic component, in particular relates to a flame-retardant encapsulating material applicable to electronic and electric product and a preparation method of the flame-retardant encapsulating material, solving the problems of the prior art that the fire-proofing and flame retardant performance is poor, and relatively high flame-retardant rating cannot be obtained. The material comprises a component A and a component B; in percentage by weight, the component A comprises base stock bisphenol-A epoxy resin, fire retardant, diluent diethylene glycol dibenzoate, flexibilizer dioctyl phthalate, pigment, organic silicon defoaming agent and filler silica micropowder; the component B comprises curing agent phthalic anhydride or methyl tetrahydrophthalic anhydride, curing agent eleostearate anhydride, and accelerator 2, 4, 6-tri(dimethylamino methyl) phenol; before the flame-retardant encapsulating material is used, the component A is pre-heated in an oven and then uniformly agitated in an up-to-bottom way; and the component A and the component B are uniformly mixed, so as to obtain flame-retardant encapsulating material; and then the encapsulating can be carried out. The flame-retardant encapsulating material provided by the invention is mainly applicable to insulating packaging of various electronic components such as power engine, rail transit, war industry, spaceflight, car and power.

This invention discloses method and specific apparatus for producing fireproof glass. The apparatus comprises: an upper stage plate, a furnace, a cooling wind grating and a lower stage plate. A baffle is set between the heating furnace and the cooling wind grating. The method comprises: (1) spray-coating a cesium/potassium salt solution onto glass at normal temperature; (2) naturally wind-drying the spray-coated glass at normal temperature, placing in a 680-725 deg.C tempering furnace, rapidly heating, cooling, circulating the glass between the heating furnace and the cooling wind grating by a roll so that the heating and cooling temperature is uniform, and unloading to obtain fireproof glass. The cesium/potassium salt solution comprises: cesium salt 0.8-1.2%, potassium salt 38-41%, acetone 40-45%, formic acid 8-13%, and Swiss-78 6-8%. The fireproof glass has such advantages as high heat resistance, low specific gravity, high light permeability, no yellowing, and no air bubbles.

The invention relates to an expansive waterborne fireproof and flame-retardant coating for a wood material and a preparation method of the expansive waterborne fireproof and flame-retardant coating. The coating comprises water and the following components in parts by weight: 200 parts of melamine-modified urea resin emulsion, 110-120 parts of ethylene-vinyl acetate copolymer emulsion, 20-24 partsof boric acid, 36-38 parts of ammonium polyphosphate, 20-24 parts of guanylurea phosphate, 36-40 parts of pentaerythritol, 30-34 parts of melamine, 1.0-1.4 parts of sulfonated carbon, 3.6-4.0 parts ofzinc borate, 2.0-2.4 parts of ammonium octamolybdate, 16-20 parts of coating auxiliaries and 0-44 parts of pigment and filler. When heated, the expansive waterborne fireproof and flame-retardant coating is capable of greatly retarding the combustion of the wood material so as to prevent fire spreading; and the expansive waterborne fireproof and flame-retardant coating has good smoke inhibiting property and is capable of delaying the smoke generation time, reducing the release amount of smoke and the generation of poisonous gases and providing more safety time and space for escape and rescue of personnel under the condition of a fire hazard.

The invention discloses polyurethane sponge and a processing method thereof. Polyether polyol with a flame retardant function is directly added to a material A, and a diethyl ethylphosphonate fire retardant is selectively added to a material B, so that the polyurethane sponge does not contain halogen, is low in viscosity and very stable in a two-component system of the material A and the material B, and a product is endowed with good fireproof and flame-retardant properties while the process is simple. The product is endowed with good mildew-proof and antibacterial effects through an antibacterial agent and a mildew preventive added to the material B; and through addition of nanoscale inorganic material tourmaline powder, the product has the function of lastingly emitting anions. The production technology and the formula are relatively simple on the premise that all performance indexes reach the expected requirements; the production process and the formula are relatively simple; the processes such as heating or refrigerating do not need to be specifically carried out in the production process and foaming and curing in a natural state can be carried out; the production success rate of sample post-detection is very high; the produced polyurethane sponge has obvious fireproof and flame-retardant functions, antibacterial and anti-mildew functions and continuous anion release function, and is beneficial to improvement of the competitiveness of the product.

The invention relates to the technical field of composite artificial boards and discloses fireproof marine-grade plywood. The fireproof marine-grade plywood comprises a flame-retardant veneer, high-strength glass fiber meshes, flame-retardant solid wood core veneers and a flame-retardant bottom board, wherein the flame-retardant veneer is arranged on the uppermost layer, the flame-retardant bottom board is arranged on the bottommost layer, and one layer of high-strength glass fiber mesh, the three layers of flame-retardant solid wood core veneers and one layer of high-strength glass fiber mesh are sequentially arranged between the flame-retardant veneer and the flame-retardant bottom board from top to bottom; the layers are bonded through modified macromolecular WBP flame-retardant and waterproof glue. The fireproof marine-grade plywood has the functions of being resistant to fire, inflaming, water, moisture, insects and ants and absorbing sounds and shock, saves the energy, protects the environment and is high in strength.

The invention discloses an aqueous interior wall coating taking an inorganic material as a film forming substance and a preparation method thereof. The coating is prepared from the following raw materials: water, a silica sol and potassium silicate, wherein the content of silicon dioxide in the silica gel is 25-30%. The particle sizes of the silicon dioxide particles are 8-10 nm, and the pH valueof the silica sol is 8-11; the content of silicon dioxide (SiO2%) in potassium silicate is greater than or equal to 18.0, and the modulus is between 3.75 and 4.15; the coating also comprises a stabilizer and a silane coupling agent and also comprises pigments and filler, a thickener, aqueous bentonite, a pH regulator and a functional auxiliary agent. According to the aqueous interior wall coating,an organic emulsion is replaced by inorganic potassium silicate and the silica sol as the film forming substance, and the raw materials are directly drawn from the nature and are rich in source, non-toxic, peculiar smell-free and non-irritant. Meanwhile, the inorganic interior wall coating which is alkaline can inhibit growth of bacteria and algae, so that the wall space is kept clean and has a good ventilating property. The wall body is kept dry, and the condition that the coating of the wall space is mildewy, is bulged and falls off as a result of dampness is prevented.

The invention discloses a steam curing-free high-strength cement-wood chip plate and a preparation method thereof. The steam curing-free high-strength cement-wood chip plate comprises, by weight, 60-100 parts of cement, 20-60 parts of an active admixture, 10-12 parts of wood chips, 0.8-1.2 parts of thermal insulation aggregate, 7-9 parts of ceramsite, 0.3-0.5 parts of short fibers, 0.3-0.5 parts of an auxiliary agent and 45-50 parts of water. The preparation method comprises mixing cement, the active admixture, short fibers, water and the auxiliary agent to obtain a uniform mixture, adding wood chips, thermal insulation aggregate and ceramsite into the mixture, carrying out stirring to obtain a uniform mixture, laying a net, carrying out rolling flattening, then carrying out molding, loading a vehicle with plate blanks, transporting the plate blanks into a primary curing kiln, carrying out demolding, carrying out stacking, carrying out secondary curing, and naturally drying the plates so that water content is in a range of 5-10%. The steam curing-free high-strength cement-wood chip plate has excellent integrated physical properties and completely satisfies the national industry standard JC/T 411-2007 of cement-wood chip plate.

The invention discloses high-temperature-resistant flame-retardant powder paint and a production method thereof. The powder paint is produced from the following raw materials in parts by weight: 30-60parts of organic silicon resin, 30-60 parts of epoxy resin, 3.4-6.8 parts of modified dicyandiamide, 0.2-0.4 part of dimethylimidazole, 10-20 parts of silica powder, 10-20 parts of mica powder, 0.3-0.6 part of a sand textured agent, 30-60 parts of a flame retardant and 1.2-2.4 parts of carbon black. A film, which is formed after the produced powder paint is subjected to spraying and curing, has excellent high-temperature-resistant performance, fireproof performance and flame-retardant performance in the premise that the mechanical performance, including the levelling performance and the anti-impact performance, of the film is not affected; and according to the powder paint, the production method is simple, and industrial production can be conducted.

The invention discloses a production method for a fireproof, flame-resistant, medium-density fiber closet plate. The method comprises the steps of (1) preprocessing of raw materials, (2) screening, (3) steaming and boiling for softening, (4) grinding, (5) sizing and drying, (6) prepressing, (7) hot pressing, (8) sawing and sanding, (9) veneering and hot pressing and (10) edge cutting. In this way,a finished product is obtained. The method disclosed by the invention is characterized in that eucalyptus barks and branches and waste leftover bits and pieces left after panel manufacture are takenas main raw materials, other miscellaneous wood is added and waste is recycled, so wood resources can be utilized fully and effectively; and modified paraffin and flame-resistant urea-formaldehyde resin adhesive are added, so resistance of the product to fire and flame is greatly enhanced. The medium-density fiber cabinet plate is highly resistant to fire, flame and water and low in the content offormaldehyde, so the product is a safe and environment-friendly closet plate.

The invention discloses a preparation method of a fireproof flame-retardant interfacial agent for an exterior insulation phenol formaldehyde foam board of an outer wall. The preparation method comprises a raw material proportioning and producing process. The fireproof flame-retardant interfacial agent is prepared by using a flame-retardant system with a vinyl acetate-ethylene copolymerization emulsion as base stock, ammonium polyphosphate as a dehydration catalyst, pentaerythritol as a carbonizing agent and melamine as a foaming agent and adding other auxiliaries. The phenol formaldehyde foam board disclosed by the invention is safe, environment-friendly, non-toxic and tasteless; a layer of interface with favorable flexibility and bonding force and excellent fireproof and flame-retardant property is formed on the surface of the phenol formaldehyde foam board, so that the toughness of the surface is increased, the bonding strength between the surface and a bonding and plastering material is improved and the functions of preventing the phenol formaldehyde foam board from pulverizing and slagging off is achieved; and therefore the using effect of the phenol formaldehyde foam board in the external insulation of the outer wall can be remarkably improved.