54 results about "Fire retardant" patented technology

The invention discloses a phosphor-silicon-containing aggregated flame retardant and a preparation method thereof. The preparation method comprises the following steps: adding 10-(2,5-dihydroxy phenyl)-9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide and an acid-binding agent into a reactor loaded with a burette, a condensing tube and a nitrogen protection device, heating to 40 to 100 DEG C; weighing R1, R2-dichlorosilane, adding a solvent, and adding the mixture into the burette; adding the mixture at the temperature of 40 to 100 DEG C dropwise, and performing a thermal reaction for 2 to 10 hours after finishing of dropping; adding a precipitant, performing suction filtration, washing filter cakes with the precipitant, and drying to obtain the phosphor-silicon-containing aggregated flame retardant. The phosphor-silicon-containing aggregated flame retardant has high phosphor content and silicon content, abundant carbon sources, high char forming characteristic, superior flame retardance and thermal stability, and can be applied to high-molecular materials such as flame-retardant polypropylene, polystyrene and epoxy resin.

The invention is suitable for the technical field of high polymer materials and provides polyethylene terephthalate (PET)/liquid crystal polymer (LCP) engineering plastics as well as a preparation method and an application thereof. The PET/LCP engineering plastics comprise the following components in parts by weight: 30-50 parts of PET, 5-20 parts of LCP, 0.2-0.5 part of coupling agent, 30-40 parts of filler intensifier, 0.2-2 parts of nucleating agent, 0.2-0.4 part of antioxidant, 0.2-0.5 part of lubricating agent and 12-20 parts of flame retardant. For the PET/LCP engineering plastics, the LCP is used to modify the crystallization rate of the PET, thus the degree of crystallization of the PET is greatly improved so as to realize the obvious improvement for the performances of the PET/LCP engineering plastics. The preparation method of the PET/LCP engineering plastics has the advantages of low cost and high productivity effect, is simple in operation, and is suitable for industrial production.

The invention provides a low expansion heat-resistant and fireproof glass, which comprises (by weight percent) SiO2 75-85%, B2O3 8-19%, Al2O3 1-5%, Na2O 2-5.5%, K2O 0-3%, Zr02 0-3%, ZnO 0-3%, MgO 0-3.5%, CaO 0-4%.

The invention discloses an aluminum plastic plate flame-retardant core layer and an aluminum-plastic plate, and belongs to the technical field of building fireproof materials, wherein the aluminum plastic plate flame-retardant core layer comprises, by weight, 30-50 parts of a matrix resin, 30-40 parts of a flame retardant agent, 0.5-1.5 parts of a flame retardant synergist, 1-2 parts of an anionicsurfactant, 2-4 parts of a compatibilizer, 1-2 parts of an antioxidant, and 0.5-1.5 parts of an antibacterial agent, wherein the matrix resin comprises low density polyethylene, polypropylene, an ethylene-octene copolymer and ethylene-ethyl acrylate according to a weight ratio of 6:2:1:1, and the flame retardant agent comprises magnesium hydroxide and expandable graphite according to a weight ratio of 6:1. According to the present invention, the prepared core layer has good mechanical property, can meet the requirements of the flame retardant B1 grade, and further has antibacterial property;and the aluminum plastic plate prepared from the flame retardant core layer has the good performances of the core layer, and further has the peel strength meeting the standard value.

The invention discloses a conductive plastic for processing a power supply cover plate, and a fabrication method of the power supply cover plate. The conductive plastic comprises the following raw materials by weight percentage: 50-60% of high-polymer base material, 15-25% of conductive filler, 15-20% of fire retardant and 1-5% of flexibilizer. According to the conductive plastic for processing the power supply cover plate, and the fabrication method of the power supply cover plate, the fabricated power supply cover plate is 40-50% lighter than the traditional aluminum cover plate; the acid-base corrosiveness resistance is high; the resistivity is adjustable; the shielding effectiveness of various frequency bands can be adjusted by changing an additive amount of the conductive filler; forming is convenient; secondary processing is not required; and compared with the aluminum cover plate, the total cost is lowered remarkably.

A composition made up of an inorganic fire-retardant having at least a bimodal distribution of particle sizes.

Fire-retardant powder comprising at least 30% by weight of Lewis acid, at least 5% by weight of alkaline bicarbonate, and at least 3% by weight of silica, and method of manufacturing such fire-retardant powder. A building material preferably comprising natural fibers and comprising at least 5% by weight and at most 30% of such powder.

The invention discloses a paste-like phase-change wave-absorbing heat-conducting material. The paste-like phase-change wave-absorbing heat-conducting material is prepared from the following components: a phase-change material, an electromagnetic wave absorbing material, base oil, insulating heat-conducting powder, a flame retardant and functional additives. The paste-like phase-change wave-absorbing heat-conducting material is prepared from the phase-change material, the electromagnetic wave absorbing material, the base oil, the insulating heat-conducting powder, the flame retardant and otherfunctional additives and has the following advantages that 1, the paste-like composite material is convenient to use, can be directly applied and is not limited by the space structure; 2, the interface wettability and the filling effect of the material are good, the portion between an electronic component and a radiator can be directly coated or filled with the material during use, and the operation is simple; and 3, the phase-change material changes along with the temperature form and absorbs surrounding latent heat.

The invention relates to phosphorus-containing vegetable oil based flame-retardant polyol and a preparation method and application thereof. The preparation method of the phosphorus-containing vegetable oil based flame-retardant polyol comprises the following steps: carrying out epoxide reaction on tung oil methyl ester with hydrogen peroxide and methanoic acid under the catalyzing effect of a home-made phase transfer catalyst at first to prepare multi-functionality-degree epoxidized tung oil methyl ester; reacting the obtained epoxidized tung oil methyl ester with reactive-hydrogen-containing DOPO (DOPO belongs to phosphorus-containing phenanthrene ring and heterogeneous ring compound, and the full name of DOPO is 9,10-diamine-9-oxygen heterocyclic-10- phosphaphenanthrene-10-oxide) to obtain the phosphorus-containing vegetable oil based flame-retardant polyol. The obtained polyol is a flame retardant, the synthesized structural flame-retardant vegetable oil based polyol is used in hard polyurethane flame-retardant foam, mechanical strength and flame retardance of the foam are improved, and a preparation process is simple, convenient to operate and easy to obtain. The phosphorus-containing vegetable oil based flame-retardant polyol is compounded with tris( 2-chloropropyl) phosphate, phosphorus-nitrogen synergistic flame retardant effect is good, the use amount of a flame retardant can be reduced, the flame retardant effect is much better than the flame retardant effect of the tris( 2-chloropropyl) phosphate which is used independent, and the oxygen index (LOI) can reach 29%.

The invention discloses a flame-retardant modified ramie fabric/benzoxazine resin laminated board. The laminated board comprises multiple layers of assembling units. Each layer of assembling unit comprises an internal ramie fabric layer and a bonding layer on the surface of a ramie fabric, wherein the outer surface of the ramie fabric layer is coated with a titanate layer or a titanate layer and 10-30 fire retardant layers, the bonding layer is a mixed catalyst containing benzoxazine resin bonding layer, and the mixed catalyst is composed of methyl p-toluenesulfonate and acetylacetone ferric salt. The laminated board has a good flame-retardant effect, can have good mechanical properties and heat resistance at the same time and is good in comprehensive performance.

The invention discloses a flame-retardant and wear-resisting rubber material for a borehole cable sheath and a preparation method of the flame-retardant and wear-resisting rubber material. The flame-retardant and wear-resisting rubber material is prepared from nitrile rubber, natural rubber, triethyl citrate, benzoxazine resin, magnesium dimethacrylate, acetyl benzoyl peroxide, ethanol [2-[2-(2-methoxyethoxy)ethoxy]ethyl], triester with boric acid, gamma-aminopropyltriethoxysilane, polychlorinated terphenyl, dimethyldiethoxysilane, tricresyl phosphate, magnesium hydroxide, white jade powder, microcrystalline wax, hydrogenated rosin resin and the like. By matching the nitrile rubber with the natural rubber for use, the flame-retardant and wear-resisting rubber material has the advantages of good mechanical property and processing property, good oil resistance, wear resistance and chemical corrosion resistance, as well as heat resistance and low temperature resistance; by matching the tricresyl phosphate, the polychlorinated terphenyl and the magnesium hydroxide with sodium aluminum carbonate hydroxide for use, the fire-retardant property is enhanced; by adding the white jade powder, nano- tungsten boride and other fillers, high temperature resistance, wear resistance and other physical properties of the material are enhanced.

The invention discloses an environment-friendly high-flame-retardance foaming material for automobile instrument trim and a preparing method of the environment-friendly high-flame-retardance foaming material. The environment-friendly high-flame-retardance foaming material is prepared from isocyanate and a component material in the mass ratio of 1:1.7. The component material is specifically prepared from, by mass, 48-55 parts of polyether 4110, 25-28 parts of polyether 3450, 40-45 parts of polyether 1300, 4-5 parts of a stabilizing agent AK8803, 0.9-1.3 parts of a catalyst HP11, 3.0-4.2 parts of water and 38-45 parts of a fire retardant TCPP. After the material and the method are adopted, the prepared foam material is high in high-flame-retardance property and not prone to combustion when meeting fire, and thus the fireproof safety and personnel safety of a whole automobile are ensured; besides, due to the fact that environment-friendly raw materials serve as raw materials used for the foaming material, no toxic and harmful substance to the human body is released, and thus the requirement for environment friendliness is met.

A disclosed high-performance multifunctional coating applicable to polypropylene fiber fabric comprises the compositions in percentage: 25-35% of linear low-density polyethylene LLDPE resin, 5-15% of amorphous alpha-olefin polymer, 25-40% of olefin thermoplastic elastomer, 0.4-1.5% of UV-resistant functional master batch, 0.5-3.5% of a fire retardant and 10-30% of a filling agent. The product has good ultraviolet aging resistant performance and extremely high waterproof function, and is environment-friendly and reproducible, and the technological process and the recovery processing are free of pollution.

Disclosed is a preparation process of a fire and corrosion prevention wooden door. The preparation process comprises the following steps that (1) a fire and corrosion prevention coating is prepared, wherein the raw materials comprise 15-30 parts of water-based resin, 10-16 parts of polydimethyl siloxane, 0.4-1.2 parts of mica powder, 2-4 parts of organic silicone modified styrene-acrylic emulsion,4-8 parts of a dispersant, 10-14 parts of a flame retardant, 3-6 parts of a bactericide, 4-6 parts of a film-forming assistant, 1-3 parts of a pH regulator and 2-4 parts of a stabilizer, the water-based resin, the flame retardant and the bactericide are put into a reaction kettle to be mixed evenly, then the dispersant, the mica powder and the organic silicone modified styrene-acrylic emulsion are added into the reaction kettle to be mixed, after mixing, the film-forming assistant, the pH regulator and the stabilizer are added, stirring continues to be carried out to disperse the materials evenly, and thus the fire and corrosion prevention coating is obtained; and (2) after the two sides of a door plate of the wooden door are polished smoothly, the fire and corrosion prevention coating issmeared, after air-drying of the coating, finish paint is smeared, and after air-drying of the finish paint, a layer of the fire and corrosion prevention coating is smeared.

The invention belongs to the field of intumescent flame retardants, and particularly relates to an olefin halogen-free flame retardant and a preparation method thereof. The olefin halogen-free flame retardant comprises the following raw materials by mass: 100 parts of a flame retardant, 0.5-3 parts of a coupling agent, 3-10 parts of an active functional group grafted olefin polymer and 0.1-3 parts of an antioxidant. In the preparation method, the flame retardant is treated by surface olefination, so that phosphorus-nitrogen flame retardant with a polar molecular structure and non-polar olefin polymers (such as PP, PE, etc.) have good compatibility. An excellent flame retardant effect is provided under the condition of keeping the performance of the materials.

The invention relates to a flame retardant tris(hydroxyethyl) isocyanurate trisilicate propyl bromide compound and a preparation method thereof. The compound has a structure shown in the specification, wherein -OC3H6Br is 2-bromo-1-propoxy or 1-bromo-2-propoxy or a mixture of the 2-bromo-1-propoxy and the 1-bromo-2-propoxy. The preparation method comprises the following steps: dropwise adding bromopropanol into an organic solution of silicon tetrachloride at a temperature being below 25 DEG C and reacting for 2 hours at 45 DEG C, wherein the molar mass of the bromopropanol is equal to that of the silicon tetrachloride; dropwise adding an organic solution of tris(hydroxyethyl) isocyanurate and reacting for 9-12 hours at 80-95 DEG C, wherein the molar mass of the organic solution of the tris(hydroxyethyl) isocyanurate is 1/3 that of the silicon tetrachloride; cooling to the temperature being below 55 DEG C, dropwise adding the bromopropanol, and reacting for 8-10 hours at 80-90 DEG C, wherein the molar mass of bromopropanol is 2-3 times that of the silicon tetrachloride; adding an acid binding agent, preserving heat and stirring for 1 hour; performing purification to obtain the flame retardant tris(hydroxyethyl) isocyanurate trisilicate propyl bromide. The compound disclosed by the invention is suitable to be as the flame retardants of the materials such as polyvinyl chloride, polyurethane, epoxy resin and unsaturated resin, is simple in preparation process and low in cost, and can be put into industrial production easily.

The present invention is artificial slate and its production process, and aims at lowering the cost and raising the fireproof performance of artificial slate. The artificial slate includes base layer and facing layer fixed together, the material for the base layer includes liquid unsaturated resin and stone grain, and the material for the facing layer is unsaturated resin. The present invention has the advantages of lowered production cost, raised fireproof purifier, high hardness, excellent use functions and visual effect, and may be used widely as furniture top board, cooking range board, floor, wall board, etc.

The invention relates to a preparation method of a functional magnesium hydroxide flame retardant and the flame retardant prepared through the method. The preparation method comprises the steps that 1, water, ethyl alcohol and ethylene glycol are mixed to obtain a solvent; 2, magnesium salt is dissolved into the solvent to obtain a magnesium salt solution; 3, a surfactant is added into the magnesium salt solution to obtain first liquid, and the first liquid is subjected to ultrasound and then placed in a water bath container with the constant temperature and keeps to be stirred at uniform velocity; 4, an ammonia water solution is dropwise added into the stirred first liquid until the pH of mixed liquid is 9.5-10, and after reacting is conducted, second liquid is obtained; 5, after standing is conducted on the second liquid at room temperature, the second liquid is washed with water and ethyl alcohol sequentially under vacuum filtration and then dried and ground to obtain the functional magnesium hydroxide flame retardant. The functional magnesium hydroxide flame retardant prepared through the method can be better combined with plastic, and the good flame retardance can be significantly achieved only needing a little filling amount of the flame retardant.

The invention discloses a preparation method of a sterilizing PET (Polyethylene Terephthalate) plastic. The preparation method comprises the following processing steps a, stirring nanometer titanium dioxide powder, nanometer silver powder and chitosan in a stirrer, and preparing to obtain a complex antimicrobial agent; b, stirring PET polyester, the complex antimicrobial agent, an antioxidant, a fire retardant and a plasticizer in a reaction kettle, wherein the stirring temperature is 60 to 100 DEG C, the stirring speed is 150 to 200 rpm per minute, and the stirring time is 20 to 30 min; c, after completing the step b, rising the temperature in the reaction kettle to be 250 DEG C to 300 DEG C, continuously stirring according to the stirring speed of 150 to 200 rpm per minute, and stirring for 1.5 to 2 hours to obtain a polymer melt; d, extruding, pelletizing and drying the polymer melt to obtain PET plastic sections. Through the process step design, the PET plastic prepared by the preparation method provided by the invention has a favorable antimicrobial performance.

The invention discloses a high-temperature-resisting and high-strength lamp cover material composition. The composition is prepared from the following components in parts by mass: 60 to 80 parts of polycarbonate, 4 to 9 parts of polypropylene, 15 to 20 parts of polymethyl methacrylate, 2 to 5 parts of flame retardant, 0.4 to 0.8 part of antioxidant, 0.1 to 0.5 part of stabilizing agent, 1 to 3 parts of compatilizer and 0.2 to 0.5 part of lubricant. According to the high-temperature-resisting and high-strength lamp cover material composition disclosed by the invention, the material is used as alamp cover and has very high light transmittance; the material has high strength and is not easy to break so that the service life of a lamp is greatly prolonged; meanwhile, the potential safety hazards are also reduced; especially, the material has high temperature resistance and can be applied to lamps which are illuminated by heating, and the material is not fused or ignited.