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2120 results about "Ammonium polyphosphate" patented technology

Ammonium polyphosphate commercially produced by Clariant, (former business area of Hoechst AG), Budenheim and other sources is an inorganic salt of polyphosphoric acid and ammonia containing both chains and possibly branching. Its chemical formula is [NH₄ PO₃]ₙ(OH)₂ showing that each monomer consists of an orthophosphate radical of a phosphorus atom with three oxygens and one negative charge neutralized by an ammonium cation leaving two bonds free to polymerize. In the branched cases some monomers are missing the ammonium anion and instead link to three other monomers.

Anti-mildew halogen-free flame-retardant smoke-suppression wood-plastic composite material and preparation method thereof

The invention discloses an anti-mildew halogen-free flame-retardant smoke-suppression wood-plastic composite material, which comprises the following components in parts by mass: 25-70 parts of plastic resin, 10-50 parts of plant fiber powder, 5-10 parts of camphor wood powder, 0.5-20 parts of a compatibilizer, 0-15 parts of a toughening agent, 10-35 parts of a flame retardant and a synergist, 2-5 parts of a thermal stabilizer, 0-1 part of an antioxidant and 1-4 parts of a lubricating agent. According to a method for preparing the wood-plastic composite material with a two-step fusion method disclosed by the invention, the interfacial compatibility can be improved effectively, and the flame retardance of the wood-plastic composite material is enhanced on the premise of keeping high mechanical property; and moreover, the using amount of ammonium polyphosphate serving as a major flame retardant is reduced. Compared with the conventional wood-plastic composite material, the wood-plastic composite material disclosed by the invention has a simple production flow, has the technical effects of flame retardance, smoke suppression and mildew resistance, and is widely applied to occasions such as indoor and outdoor architectural decoration, and the like.
Owner:ANHUI GUOFENG WOOD PLASTIC COMPOSITE +1

Environment-friendly aqueous nanometer fireproof flame-retardant coating and preparation thereof

The invention is environmental-friendly waterborne nanometer fireproof flame-retardant coating and the preparation method, which belong to the fireproof flame-retardant coating manufacturing industry. The flame-retardant coating is obtained through the compounding of two types of flame-retardant agents, waterborne resin, ammonium polyphosphate, melamine, carbon-forming agent, nanometer pigment and filler, micrometer pigment and filler and other auxiliary agent; the flame-retardant coating contains no organic agent and halogen flame retardant, low VOC content, good fireproof property, good physical and chemical properties; the composition of the flame-retardant coating is as follows: the content of waterborne resin is 10-90%; the content of phyllo-silicate nanometer flame retardant which contains phosphor, nitrogen organic intercalation is 1-50%; the content of nanometer magnesium hydroxide flame retardant wrapped by polymer is 1-50%; the content of ammonium polyphosphate is 1-30%; the content of melamine is 1-20%; the content of carbon-forming agent is 1-30%; the content of nanometer pigment and filler is 0.1 to 30%; the content of micrometer filler is 0.1 to 60%; the content of dispersant is 0.1 to 10%; the content of stabilizer is 0.1 to 10%; the content of water is 0.1 to 50%; the content of micrometer pigment is proper; firstly, waterborne resin, nanometer flame retardant, ammonium polyphosphate, melamine, carbon-forming agent, nanometer pigment and fillers, dispersant and stabilizer are put into a planet stirring reactor for stirring and even dispersion; micrometer pigment and filler, water, dispersant and stabilizer are added to the discharged mixture and then put into a high-speed dispersion machine for even dispersion so that the product is obtained.
Owner:中山市孙大化工科技有限公司

Low-smoke halogen-free inflaming-retarding cable material and preparation method thereof

The invention provides a low-smoke halogen-free inflaming-retarding cable material and preparation method thereof. The cable material comprises 5 to 15 parts (part by weight) of compatilizer that comprises maleic anhydride functional group grafted ethylene-vinyl acetate copolymer and maleic anhydride functional group grafted ethylene propylene terpolymer; 85 to 95 parts of base material formed by blending two or more than two of linear low-density polyethylene, ethylene-vinyl acetate copolymer and ethylene propylene terpolymer granular materials; 2 to 6 parts of composite antioxidant composed of the following antioxidants in terms of weight ratio: hindered phenol antioxidants : thiol ester antioxidants = 1 : (2 to 6); 20 to 40 parts of ammonium polyphosphate; 10 to 20 parts of pentaerythritol; 8 to 15 parts of melamine; 50 to 100 parts of composite inorganic fire retardant composed of the following fire retardants: magnesium hydroxide : zinc borate = (2 to 4) : 1; 2 to 6 parts of lubricant; 0 to 0.5 parts of metal passivator; 0 to 3 parts of crosslinking assistant agent; and 0 to 5 parts of halogen-free master batch. The invention has provided a harmless halogen-free inflaming-retarding cable material having high temperature tolerance, high tension, high elongation and high fire resistance.
Owner:ORIGIANL DOW ADVANCED COMPOUNDS SHANGHAI +2

High-temperature resistant fiber filter paper for engine oil filter and preparation method of high-temperature resistant fiber filter paper

The invention discloses high-temperature resistant fiber filter paper for an engine oil filter and a preparation method of the high-temperature resistant fiber filter paper. The high-temperature resistant fiber filter paper comprises, by weight, 60-70 parts of coniferous wood pulp, 20-30 parts of cotton pulp, 20-30 parts of modified polyimide fiber, 2-5 parts of kaoline, 1-3 parts of lithopone, 2-4 parts of silica gel, 1-2 parts of nanometer titania, 0.5-0.8 part of ammonium polyphosphate, 1-2 parts of modified acrylic emulsion, 2-4 parts of acetic styrene-acrylic emulsion, 0.5-1 part of stearic acid monoglyceride, 0.5-1 part of silane coupling agent KH590, 0.4-0.8 part of sodium lauryl sulfate, and 2-5 parts of urea resin. The high-temperature resistant fiber filter paper prepared is good in water permeability, large in filtering area, small in maximum hole diameter, high in filtering precision, strong in bursting strength, high in temperature resistance and the like, has stable performance index under normal-temperature and high-temperature working conditions and is provided with good temperature resistance and filtering effects, and filtering efficiency of the high-temperature resistant fiber filter paper can reach 99.97%.
Owner:ANHUI PHOENIX INT CO LTD

Environment-friendly efficient filter filtering paper and preparation method thereof

The invention discloses an environment-friendly efficient filter filtering paper. The environment-friendly efficient filter filtering paper is prepared by the following raw materials in part by weight: 40-50 parts of softwood pulp, 30-40 parts of waste paper pulp, 20-30 parts of high-silica glass fiber, 2-5 parts of modified vermiculite, 1-3 parts of zeolite molecular sieve, 2-4 parts of nanometer calcium, 1-2 parts of modified pulverized fuel ash, 2-3 parts of water-solubility organic silicon resin emulsion, 1-2 parts of water-solubility polytetrafluoroethylene emulsion, 0.5-0.8 parts of ammonium polyphosphate, 3-4 parts of glycerol triacetate, 0.5-1 parts of diethanolamide, 0.5-1 parts of silane coupling agent KH560, 0.4-0.8 parts of sodium dodecyl sulfate, 0.5-1 parts of antioxidant DSTP, and 4-6 parts of polyethylenimine. The filtering paper prepared by the method provided by the invention has the advantages of being good in water permeability, large in filtering area, small in maximum diameter of hole, high in filtering precision, strong in bursting strength, high-temperature-resistant, good in water resistance and the like, can achieve the filtering efficiency by 99.98%, has stable performance index at atmospheric and high-temperature working conditions, as well as better temperature resistance and filtering effects.
Owner:ANHUI PHOENIX INT CO LTD

Aqueous film-forming foam extinguishing agent special for fire extinguishing bullet and throwing type fire extinguisher

The invention provides an aqueous film-forming foam extinguishing agent special for a fire extinguishing bullet and a throwing type fire extinguisher. The aqueous film-forming foam extinguishing agent has the advantages of being small in additive amount, rapid in fire extinguishing, good in recrudescence resisting effect, environmentally friendly, efficient and the like. The aqueous film-forming foam extinguishing agent comprises, by weight, 8 percent to 12 percent of main foaming agents, 8 percent to 20 percent of auxiliary foaming agents, two percent to 10 percent of antifreeze agents, 12 percent to 22 percent of cosolvents, 0.1 percent to one percent of stabilizers, 8 percent to 20 percent of fire retardants, two percent to five percent of burning-resistance agents and the balance water. The main foaming agents are selected from F1157N, F1203 and F1460, the auxiliary foaming agents are selected from lauryl sodium sulfate, ammonium lauryl sulfate, alkyl glycoside, dodecyl dimethyl betaine and cocamidopropyl betaine. The antifreeze agents are selected from ethylene glycol, glycerol and the like. The cosolvents are selected from dodecanol, n-butyl alcohol and diethylene glycol diethyl ether. The stabilizing agents are selected from xanthan gum, Arabic gum, guar gum and sodium alginate tech grade. The fire retardants are selected from ammonium polyphosphate and ammonium dihydrogen phosphate.
Owner:ANHUI TIANYUAN FIRE PROTECTION TECH
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