34results about How to "Improve heat resistance and flame retardancy" patented technology

The invention discloses a flame-retardant acrylic coating. The flame-retardant acrylic coating is prepared from the following raw materials in parts by weight: 50-60 parts of water-soluble acrylic resin, 12-15 parts of terpene resin, 8-11 parts of alkyd resin, 3-6 parts of polyoxyethylene laurate, 2.3-2.6 parts of hydroxymethyl cellulose, 11-14 parts of attapulgite, 9-12 parts of zeolite powder, 1-2 parts of precipitated barium sulfate, 2-3 parts of melamine, 8-9 parts of zinc borate, 10-15 parts of methylated amino resin, 4-5 parts of aluminum oleate, 0.4-0.6 part of an epoxy-silane coupling agent, 15-25 parts of a pigment, 2.1-2.4 parts of a flexibilizer, 0.5-0.8 part of a defoamer, 0.7-1 part of a smoothing agent, 0.4-0.5 part of a mildew preventive, and 50-55 parts of a solvent. The flame-retardant acrylic coating disclosed by the invention is not only excellent in flame retardant property, and but also high in curing speed.

The invention discloses a high-performance environment-friendly cable sheath material which comprises the following raw materials in parts by weight: 18-22 parts of ethylene-vinyl acetate resin, 8-15 parts of nitrile rubber, 20-40 parts of carbon black, 5-6 parts of light calcium carbonate, 7-8 parts of titanium dioxide, 0.5-1.5 parts of ammonium polyphosphate, 2-2.5 parts of magnesium oxide, 1-2 parts of zinc oxide, 20-30 parts of magnesium hydrate, 5-10 parts of zinc borate, 0.6-0.9 part of chlorinated paraffin, 1-2 parts of an antiager NBC, 1-1.5 parts of pentaerythritol aliphatic ester, 1-1.5 parts of citrate, 1-1.5 parts of sulphur and 1.5-2 parts of an accelerant TMTD. The high-performance environment-friendly cable sheath material disclosed by the invention has excellent oil resistance property and excellent heat and flame resistance property and also has excellent wear resistance and wear resistance.

A synthetic method of a heat-resistant flame-retardant resin emulsion comprises the following steps: adding primary emulsion (a) formed by a small amount of monomers, an emulsifying agent and an initiator to a reactor, then heating to 30-100 DEG C for a certain time, and respectively and continuously or periodically and intermittently adding a monomer solution (b) with homogeneous phase and emulsion (c) of the emulsifying agent to the reactor to be mixed with the primary emulsion (a) for polymerization. The synthetic method can help obtain polymer emulsion with high conversion ratio and wide adjustment range of copolymer structure and composition, easily control reaction and obtain the product with high heat resistance and good flame retardance. The prepared heat-resistant flame-retardant resin emulsion has uniform structure, high heat resistance and good flame retardance, and very ideal yield and stability, can be widely used for modifying the heat resistance and the flame retardance of such materials as ABS, PC, PBT and the like, or can be used alone for preparing high heat-resistant parts of automobiles and household electrical appliances.

The invention discloses a stretch-proof wear-resistant oil-resistant modified cable material which is prepared from the following raw materials in parts by weight: 8-12 parts of chloroprene rubber, 25-28 parts of hydrogenated butadiene-acrylonitrile rubber, 70-73 parts of an ethylene propylene diene monomer, 17-20 parts of melamine formaldehyde resin, 13-16 parts of pre-treated plant powder, 8-11 parts of aluminum borate crystal whiskers, 2-5 parts of titanium nitride, 4-8 parts of aluminum oxide, 27-30 parts of calcite, 24-27 parts of furnace black, 18-21 parts of quartz powder, 6-8 parts of diethyl phthalate DEP, 3-4 parts of cresyl diphenyl phosphate CDPP, 3.4-5.3 parts of antimonous oxide, 5.3-6.2 parts of red phosphorus capsules, 6-8 parts of a peroxide vulcanization system, 0.4-0.8 part of an antiager D-50 and 1.2-1.8 parts of an antiager SP. The invention further discloses a preparation method of the stretch-proof wear-resistant modified cable material.

The invention discloses a flame-retardant wear-resisting modified acrylic resin coating which comprises the following raw materials in parts by weight: 68-71 parts of acrylic resin, 12-15 parts of polyurethane resin, 16-19 parts of aldehyde ketone resin, 7-10 parts of powdery ethylene propylene diene monomer, 6-9 parts of hollow glass beads, 5-7 parts of organic bentonite, 3-5 parts of talcum powder, 7-9 parts of zeolite powder, 12-15 parts of modified yttrium oxide, 5-7 parts of mica powder, 2.5-3 parts of diisononyl phthalate, 5-8 parts of epoxy xanthium sibiricum butyl oleate, 3-6 parts of sodium laurate, 3-5 parts of (1,3-dichloro-2-propyl) phosphotriester, 13-16 parts of nano-magnesium hydroxide, 4-6 parts of antimony trioxide, 8-11 parts of a drying catalyst, 12-15 parts of a pigment, 3-4 parts of a toughening agent, 1.5-2 parts of an antifoaming agent, 2-3 parts of a leveling agent and 1-2 parts of a mould inhibitor. The flame-retardant wear-resisting modified acrylic resin coating has excellent flame retardancy and wear resistance and high curing speed.

The invention discloses a fireproof coal ash heat insulation material which comprises, by weight, 15-25 parts of compressed coal ash, 20-40 parts of acidified coal ash, 10-14 parts of water glass, 12-18 parts of adsorption filling soil, 5-7 parts of coupling agents, 15-25 parts of adhesives, 9-13 parts of glass beads, 8-16 parts of reinforced fibers and 7-11 parts of flame-retardant additives. The coal ash is comprehensively recycled, resources are saved, environments are protected, waste is sufficiently used, the prepared heat insulation material is low in specific gravity, high in strength, good in heat insulation performance, excellent in high-temperature resistance and flame resistance and good in stability. Besides, the preparation method is low in material cost and simple and clear in process and has a high practical value and a good application prospect, and raw materials are easily obtained.

The invention discloses high-flame-retardance and high-toughness expandable polystyrene which comprises the following raw materials in parts by weight: 95-105 parts of styrene, 20-30 parts of ethylene-propylene-diene monomer rubber, 25-35 parts of polyethylene, 150-170 parts of water, 0.3-0.4 parts of dibenzoyl peroxide, 0.05-0.1 parts of tert-butyl peroxybenzoate, 0.2-0.3 parts of dicumyl peroxide, 2-5 parts of nano calcium silicate, 0.02-0.04 part of a silane coupling agent KH560, 2-4 parts of polyvinyl alcohol, 1-3 parts of cellulose ether, 2-8 parts of nekal, 0.05-0.15 parts of a defoamer, 0.2-0.5 parts of an antioxidant, 0.4-1.2 parts of a flame retardant and 7-12 parts of a foamer. The high-flame-retardance and high-toughness expandable polystyrene disclosed by the invention is excellent in flame-retardant and heat-resistant performance, good in toughness and excellent in impact resistance.

The invention discloses an exterior wall panel with excellent sound-absorbing and fire-proof performance, which comprises a base layer, a sound-absorbing fireproof layer, a plastering mortar layer, a waterproof layer, a decorative coating and a wear-resistant layer; the preparation method of the sound-absorbing fireproof layer is as follows: hydroquinone, Potassium hydroxide and toluene are mixed evenly, and then a toluene solution containing hexachlorocyclotriphosphazene is added dropwise, heated up, kept warm, washed with an alkali solution to obtain an organic phase, then the organic phase is distilled under reduced pressure, dried in vacuum, and recrystallized to obtain material a ; Mix material a and polytetrahydrofuran ether glycol evenly, then add trimethyl-1,6-hexamethylene diisocyanate, fill with dry nitrogen for protection, heat up, keep warm, and cool down to obtain material b; Add trimethylpentanediol, glycerin, bismuth neodecanoate, foaming agent, foaming aid, expanded perlite, palygorskite, diatomaceous earth, glass fiber, flax fiber, zinc borate hydrate, anti-aging agent and Acetone is mixed evenly, coated on the surface of the base layer, then heated up, and kept warm to obtain a sound-absorbing and fire-proof layer.

The invention discloses a production process for manufacturing a flame-retardant canvas bag from waste textiles, and relates to the technical field of canvas bag manufacturing. The technological process comprises the steps of waste textile pretreatment, melt spinning, flame-retardant finishing, spinning and weaving, padding treatment, and printing and sewing. Continuous cutting, smashing and magnetic separation are carried out through cutting, smashing and magnetic separation integrated equipment to obtain polyester fiber short filaments which are fixed in specification, free of metal impurities and high in cleanliness, and then cleaning liquid dipping, filtering and drying are carried out through dipping, filtering and drying equipment to obtain separated fiber short filaments which are free of oily impurities and high in cleanliness; in the flame-retardant finishing and padding treatment procedures, a flame retardant and a dipping liquor both contain flame-retardant components, and regenerated fiber filaments and a canvas are subjected to flame-retardant finishing, so that the heat-resistant and flame-retardant performance of the canvas bag is improved; and the moisture absorption and air permeability performance, strength and heat-resistant and flame-retardant performance of the canvas bag are improved by adding cotton fibers and aramid fibers in the spinning and weaving procedure.

The invention discloses a bisphenol A cyanate ester resin prepolymer and a preparation method thereof. The preparation method comprises the following steps of: heating and melting a bisphenol A type cyanate ester monomer, adding a prepared polymerization compatible catalyst and a composite moisture absorbent, carrying out a heat preservation reaction, terminating the reaction by monitoring a refraction coefficient, cooling, adding butanone, and cooling to obtain the bisphenol A type cyanate ester resin prepolymer. Compared with the traditional bisphenol A type cyanate ester resin prepolymer, the prepolymer has the advantages that the cyclic structure of cyclotriphosphazene has good compatibility with a bisphenol A type cyanate ester monomer and can participate in the polymerization reaction of the bisphenol A type cyanate ester monomer, the curing reaction rate is greatly increased, rigid units of a phosphazene ring and a benzene ring greatly improve the toughness of the prepolymer anddo not influence the tensile strength and the thermal performance, the cyclotriphosphazene core can exert a phosphorus-nitrogen synergistic flame-retardant effect, and the polymerization compatible catalyst improves the polymerization curing efficiency of the bisphenol A type cyanate ester monomer, and improves the toughness, heat resistance and flame retardancy of the bisphenol A type cyanate ester resin prepolymer.

The invention discloses a silicon rubber composite cable material and a preparation method thereof. The cable material comprises silicon rubber, ethylene propylene rubber, butadiene rubber, polyarylacetylene resin, stearic acid, zinc oxide, sulfur, 2, 4-dichlorobenzoyl peroxide, coupling agents, graphite, accelerants, anti-aging agents, modified fire retardants, 1, 4-cyclohexanedimethanol diglycidyl ether, carbon fibers, white mica and melamine polyphosphate. The modified fire retardants are prepared according to the process including the steps: gelatinizing starch; adding the starch into water; adding nano-sized magnesium oxide, zirconium oxide, iron oxide and carbon nano-tubes; performing ultrasonic treatment, drying, carbonization, crushing and sieving. The preparation method of the silicon rubber composite cable material is simple in process, and the prepared silicon rubber composite cable material is good in heat resistance and aging resistance and excellent in fire resistance.

The invention relates to the field of wires and cables, in particular to a high-strength, waterproof and wear-resistant cable sheath material and a preparation method thereof. The high-strength, waterproof and wear-resistant cable sheath material is prepared from, by weight, 70-100 parts of nitrile silicone rubber, 45-60 parts of styrene-butadiene rubber, 17-30 parts of chlorosulfonated polyethylene, 10-13 parts of butyl epoxy stearate, 10-18 parts of modified muscovite powder, 4-12 parts of zinc stannate, 5-7 parts of expanded perlite, 7-11 parts of vinyltriethoxysilane, 6-15 parts of aluminum hydroxide, 5-8 parts of semi-reinforced carbon black, 5-11 parts of nano-silica, 10-16 parts of filler reinforcer and 6-15 parts of protective agent. The cable sheath material is good in strength, toughness, heat resistance, waterproof property, corrosion resistance and flame retardance, excellent in comprehensive performance, and suitable for many fields.

The invention relates to the field of wires and cables, and particularly discloses a flame-retardant cable sheath and a preparation method thereof. The sheath is prepared from, by weight, 90-100 partsof polyvinyl chloride; 4 to 7 parts of titanium dioxide nanometer fiber; 1-2 parts of antimony trioxide; and 4-6 parts of trichloroethyl phosphate. Polyvinyl chloride (PVC) has good flame retardant property, and SbCl3 generated by Cl and Sb in PVC combustion can play a role in capturing free radicals and isolating air, therefore, the antimony trioxide added into the polyvinyl chloride can generate a better flame-retardant effect on polyvinyl chloride. The titanium dioxide nanofibers provide a skeleton supporting effect for the charring process of the system in the thermal degradation processof the polymer; amorphous carbon particles are attached to a network framework to generate a continuous compact barrier carbon layer with few holes, the barrier effect of the expansion carbon layer ona polymer, a heat source and oxygen is enhanced, the further combustion process of the polymer is delayed, and the limit oxygen index of the system is increased.

The invention discloses an environmental-protection heatproof flame-retardation silicone rubber. The heatproof flame-retardation silicone rubber comprises the following components: methyl vinyl silicone rubber, carbon black, carboxyethyl phenyl hypophosphorous acid metal salt, melamine cyanurate, zinc borate, a silane coupling agent, zinc stearate, a plasticizer, sulfur powder, a promoter, and anantioxidant. The invention also provides a preparation method of the environmental-protection heatproof flame-retardation silicone rubber. The method comprises the following steps: adding methyl vinylsilicone rubber, carbon black, carboxyethyl phenyl hypophosphorous acid metal salt, melamine cyanurate, zinc borate, the silane coupling agent, the plasticizer, and the antioxidant in a mixing machine and uniformly mixing the raw materials, adding zinc stearate, sulphur and the promoter and uniformly mixing the materials to prepare a mother material, and adding the mother material in a vulcanizerfor sulfuration to prepare the environmental-protection heatproof flame-retardation silicone rubber. The silicon material of the heatproof flame-retardation silicone rubber has the advantages of highoxygen index, no halogen, safety, environmental protection, and wide application prospect.

The invention provides a heat-resistant and flame-retardant bridge frame and a preparation method thereof, and relates to the technical field of bridge frame processing. The heat-resistant and flame-retardant bridge frame is made of the following raw materials in parts by weight: 80-100 parts of bisphenol-A epoxy resin, 6-10 parts of unsaturated polyester, 3-4 parts of alumina ceramics, 1-3 partsof azobenzene, 2-4 parts of polypropylene glycol, 2-6 parts of polyvinyl formal, 2-4 parts of phosphonitrilic chloride trimer, 1-3 parts of nano-silica, 0.8-1.6 parts of 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, 2-4 parts of a plasticizer, 1-3 parts of a flame retardant and 0.2-0.4 part of a defoamer. According to the invention, the defects of the prior art are overcome, the flame retardant performance of the traditional glass steel bridge frame is improved, and by adopting the preparation method of one-time molding after the raw materials are mixed, the production efficiency of a product is effectively improved, the production cost is reduced, and the heat-resistant and flame-retardant bridge frame is suitable for popularization and production.

The invention discloses a polymer rubber waterproof roll based on a TPV main material and a preparation method. The polymer rubber waterproof roll comprises a self-adhesion base layer, a heat preservation and insulation layer, a sound insulation layer, a fiber core wire layer, a TPV waterproof layer and an isolation protection layer which are sequentially connected from bottom to top. A plurality of anti-wrinkling holes which are arranged at equal intervals and distributed in a rectangular mode are formed in the top of the isolation protection layer, and the fiber core wire layer is of a grid woven structure. The modified TPV elastomer is used as a core material, so that the modified TPV elastomer has good rebound resilience, dimensional stability, high impact resistance and high mechanical strength; meanwhile, complex and tedious vulcanization procedures are not needed, processing can be directly carried out like common thermoplastic plastics, the technological procedures are simplified, and the forming period is shortened; and in the aspect of sustainable utilization, processing residual materials or waste materials can be recycled for reprocessing treatment, so that the material has a good regeneration recycling characteristic, and has positive significance on environmental protection while the cost is reduced.

The invention belongs to the technical field of tempered glass preparation, and particularly relates to a preparation process of light composite structure tempered glass. The tempered glass comprisesa tempered glass main body, a tough layer is fixedly adhered to the surface of the tempered glass main body, and an anti-corrosion layer is fixedly adhered to the surface of the tough layer. Accordingto the invention, through the bonding of the tough layer, the toughness of the whole structure is effectively improved during use, and therefore, the damage to the structure due to overlarge stress is avoided; through the bonding of the anti-corrosion layer, the anti-corrosion capability of the whole structure is effectively improved, and the damage to the structure caused by external corrosion in long-time use is avoided; and quartz sand and a flame-retardant coordinating agent are used, so that the heat-resistant and flame-retardant capacity of the whole structure is effectively improved, and the situation that the structure spontaneously combusts and melts under the high-temperature condition and normal use is thus affected is avoided.