Abstract: The invention relates to a flame-retardant filler based on aluminium hydroxide, its use in polymers and a method for its production, in which aluminium hydroxide in the form of bayerite or a bayerite/gibbsite mixture is modified under pressure at temperatures of at least 170° C. in the presence of water and crystal growth regulator, the aluminium hydroxide used as starting material having an average particle size d50 from 0.1 to 4 ?m.

Abstract: A product to render flame- and fireproof surfaces and materials and inhibit the spread of fire on objects of various and diverse chemical nature and affinity, using non-toxic and non-carcinogenic basic fire and flame retardant intumescent mixtures with wide ranging chemical affinity, prepared in stable colloidal dispersion. The intumescent base comprises a colloidal solvent in which a source of phosphoric acid, a charring agent and a blowing agent are dissolved and dispersed. Intumescent mixtures are produced adding to said base flame spread reduction materials, thermal resistance enhancers, thermal transmission reduction and refractory, elasticity, water resistant materials and combinations thereof. Bipolar chemicals are also added to change the chemical affinity. Products are applicable on household, professional and industrial materials and objects, natural, synthetic and metallic.

Abstract: An intumescing, multi-component epoxide resin coating composition for fire protection with a component (A), which contains at least one epoxide resin and at least one vinyl ester, a curing agent component (B), which contains at least one curing agent for the epoxide resin, and an intumesing component (C), which contains at least one acid constituent, at least one source of carbon and at least one gas-forming agent, components (A) and (B) being kept separate from one another to prevent reaction and reacting with one another with polymerization only while being mixed, as well as the use of this coating composition for providing steel construction elements with a fire protection coating.

Abstract: A non-halogenated elastomeric latex is disclosed, using as flame retardants, an aqueous dispersion of organoclay and a conventional non-halogenated flame retardant, of which less is needed than conventionally, because of the use of the organoclay. The latex can become a film, sheet, or other article.

Abstract: The invention relates to a flame-retardant resin formulation comprising respectively at least one flame-retardant component, one alkali-soluble component, one polymerizable monomer, one photoinitiator, and one epoxy component, which comprises, as flame-retardant component, a phosphinic salt of the formula (I), in which R1 and R2 are identical or different and, independently of one another, are C1-C6-alkyl, linear or branched, and/or aryl; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K, and/or a protonated nitrogen base, and m is from 1 to 4. This novel flame-retardant resin formulation is preferably used as solder resist.

Abstract: Composition and method of preparation for layered double hydroxides (LDHs) with specific anions, such as those derived from sulfanilic acid, p-toluenesulfonic acid, or 4-chlorobenzenesulfonic acid. LDHs may also be altered by doping them with nickel to replace a fraction of the divalent metal present. Nickel-doped LDHs with exchanged anion composition may be useful as flame retardants, among many other possible uses including as antacids, drug-delivery systems, modified electrodes, polymer stabilizers, adsorbents, electro-photoactive materials, and catalysts or catalyst precursors.

Abstract: A phosphorous flame retardant primarily includes hexachlorotriphosphazene (HCP) having poly(oxyalkylene)amine substitutes. The poly(oxyalkylene)amine includes at least two end groups. The phosphorous flame retardant can further include layered silicate clay. The layered silicate clay can be intercalated and modified with the poly(oxyalkylene)amine substitutes of HCP to effectively promote thermal stability. The flame retardant, phosphazene-poly(oxyalkylene)amine adducts, can be applied to a polymer. By the cross-linking between them, the flame-retarding property of the polymer can be improved. Also provided is a method for producing the flame retardant of phosphazene-poly(oxyalkylene)amine adducts and application thereof to a polymer.

Abstract: A flame retardant composition contains, with respect to a flame retardant composition containing 1 to 99 parts by mass of a salt of piperazine and an inorganic phosphorus compound (component (A)) selected from piperazine phosphate, piperazine pyrophosphate, piperazine polyphosphate, or a mixture of at least two of the piperazine salts, and 99 to 1 parts by mass of a salt of melamine and an inorganic phosphorus compound (component (B)) selected from melamine phosphate, melamine pyrophosphate, melamine polyphosphate, or a mixture of at least two of the melamine salts (wherein the total of the component (A) and the component (B) is 100 parts by mass): 0.01 to 10 parts by mass of silicone oil; and 0.01 to 20 parts by mass of a monoamide compound of a higher aliphatic carboxylic acid and/or a monoester compound produced by reacting a higher aliphatic carboxylic acid with a monovalent to trivalent alcohol compound.

Abstract: The present invention relates to flame retardant polymer compositions which comprise mixtures of phosphinic acid salts and dihydro-oxa-phospho-phenantrene derivatives. The compositions are especially useful for the manufacture of flame retardant compounds based on polycondensates like polyesters, polyamides and polycarbonates.

Abstract: A method of treating a material to improve flame retardancy, the method comprising applying to the material urea, phosphorous acid or a salt thereof, and a base comprising a monovalent metallic cation.

Abstract: A flame-retardant thermoplastic resin composition comprising at least a plant-derived resin (A) and a flame retardant (B), wherein the weight proportions of the individual components in the flame-retardant thermoplastic resin composition are: 30?W1<55.5 44.5<X1?70 wherein W1 is the percentage by mass of the plant-derived resin (A) and X1 is the percentage by mass of the flame retardant (B), and 90% by mass or more of the flame retardant (B) is composed of a metal hydrate containing an alkali metal-based substance in an amount of 0.2% by mass or less.

Abstract: The flame retardant of the present invention has a flame retardant (a) component, comprising 50 to 97% by mass of a metal hydrate (a-1) component and 3 to 50% by mass of a filler (a-2) component, wherein the filler (a-2) component contains SiO2, Al2O3 and M2/nO. Here, the total of the metal hydrate (a-1) component and the filler (a-2) component is 100% mass, M represents one or more metal elements selected from a group consisting of K, Na, Mg, Ca, Fe and Zn, and n represents a valence of the metal element. According to the present invention, it is possible to provide a flame retardant capable of providing a molded article and an electric wire with a coating, which are excellent in flame retardancy, abrasion resistance and flexibility, and also have sufficient mechanical strength at low cost.

Abstract: The present invention relates to flame retardant polymer compositions which comprise combinations of hydroxyalkyl phosphine oxides with 1,3,5-triazine compounds and polyfunctional epoxide compounds. The compositions are in the form of epoxy laminates which are useful for the manufacture of prepregs, laminates for the preparation of printed circuit boards and printed wiring boards.

Abstract: A flame retardant agent for a thermoplastic resin, which enables the thermoplastic resin containing the flame retardant agent to keep its viscous property, to be made into a fiber readily, and to exhibit flame retardant effect even when ammonium dihydrogen phosphate is contained in the flame retardant agent as a non-halogen flame retardant component. Also disclosed is a flame retardant resin composition containing the flame retardant agent. Specifically, the flame retardant agent for a thermoplastic resin comprises ammonium dihyrogen phosphate, potassium hydroxide, glycerin and urea, wherein potassium hydroxide is contained in an amount of 10 to 70 parts by weight, glycerin is contained in an amount of 0.1 to 4.0 parts by weight, and urea is contained in an amount of 1 to 9 parts by weight relative to 100 parts by weight of ammonium dihydrogen phosphate.

Abstract: A method for forming a fire resistant material is disclosed. The method comprises providing a plurality of expandable beads of a polymeric material. The beads are coated with an exfoliable graphite. The exfoliable graphite is adhered to the beads with a resin having a solubility parameter of the polymeric material. The beads are thereafter caused or allowed to expand and fuse.

Abstract: The present invention relates to yarns, fibres or filaments made of thermoplastics and to their manufacture. It relates more particularly to yarns, fibres or filaments exhibiting good fire resistance properties and to processes for the manufacture of these articles. These yarns or fibres made of polymer are obtained by spinning a polymer comprising an additive possessing flame-retardant properties composed of at least particles of a solid substrate on which a flame-retardant compound is adsorbed.

Abstract: A haloneopentyl dialkylphosphate ester possesses the general formula wherein each X is Br or Cl, provided at least two of X are Br, and R1 and R2 each independently is alkyl of up to 12 carbon atoms.

Abstract: A flame-retardant biodegradable polymeric composition comprising: a flame-retardant biodegradable material comprising a compound represented by formula (1); and a biodegradable polymer: wherein R1, R2, R3, R4, R5, R9, R10 and R11 each independently represents an alkyl group, an aryl group, or an aralkyl group; R6, R7 and R8 each independently represents an alkylene group; and n, p, and q each independently represents an integer of one or more.

Abstract: The invention relates to a halogen-free flame retardant additive, essentially comprising hypophosphorous acid metallic salts coated inorganic hydrates and/or organic salts, useful as a flame retardant for polymer compositions, alone or in combination with other flame retardants and optionally further conventional components.

Abstract: The invention relates to a compacted flame-retardant composition comprising an organophosphorus flame-retardant component, prepared by compacting an organophosphorus flame-retardant component with or without a compacting auxiliary, and to a process for preparing these flame-retardant compositions, and to polymer molding compositions which comprise these flame-retardant compositions.

Abstract: A flame retardant blend comprises at least first and second halogenated non-polymeric phenyl ethers having the general formula (I): wherein each X is independently Cl or Br, each m is independently an integer of 1 to 5, each p is independently an integer of 1 to 4, n is an integer of 1 to 5 and wherein the values of n for the first and second ethers are different

Abstract: A mixture of brominated diphenylethanes is prepared by brominating diphenylethanes, comprises hexabromodiphenylethane, heptabromodiphenylethane and octabromodiphenylethane, comprises about 55 to about 85% by weight hexabromodiphenylethane, and comprises about 0.01 to about 30% by weight diphenylethanes substituted with an odd number of bromines. The mixture of brominated diphenylethanes can provide improved compatibility with polymer resins, as well as impart excellent flame retardancy and improved weatherability and thermal stability.

Abstract: A halogen-free electrically insulating film is prepared from a composition including particular amounts of a poly(arylene ether), a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, and a triaryl phosphate. The electrically insulating film may be prepared by an extrusion and/or calendering method. Uses of the electrically insulating film include, for example, shielding applications in power supply housing, printed circuit board insulation, backlit aircraft in flight panels and displays, business equipment insulation, computer rack partitions, and television and monitor insulation.

Abstract: Certain cyclic phosphate ester compounds useful, inter alia, as halogen-free flame-retardant compounds, are disclosed. The compounds are particularly useful for providing flame retarded polyurethane foams.

Abstract: The present invention relates to flame retarded polyurethane foam formulations with low smoke performance.

Abstract: A liquid flame retardant composition having one or more flame retarding agents, which are the epoxides obtainable by reacting tetrabromobisphenol A with epichlorohydrin and their end-capped derivatives represented by Formula (1), is provided. The liquid composition is especially useful in the preparation of rigid polyurethane foams.

Abstract: A flame retardant additive comprises (A) a gassing agent which is a compound containing both phosphorus and nitrogen, typically ammonium polyphosphate, which is surface coated with (B) a silicone-base water repellent treating agent comprising a co-hydrolytic condensate obtained through co-hydrolytic condensation of (i) an organosilicon compound and (ii) an amino group-containing alkoxysilane or a partial hydrolyzate thereof in the presence of an organic or inorganic acid. The additive is improved in moisture absorption resistance and dispersion and suited for use in resins or elastomers.

Abstract: A fire-retardant formulation for styrene-containing polymers comprising tris(2,4,6-tribromophenoxy)-s-triazine (FR-245), antimony trioxide and polytetrafluoroethylene (PTFE), wherein the bromine concentration in said fire-retardant formulation is from about 9.0 to about 10.5 wt. %, said antimony trioxide concentration being lower than about 3.2 wt. %.

Abstract: Magnesium hydroxide nanoparticles are made from a magnesium compound that is reacted with an organic dispersing agent (e.g., a hydroxy acid) to form an intermediate magnesium compound. Magnesium hydroxide nanoparticles are formed from hydrolysis of the intermediate compound. The bonding between the organic dispersing agent and the magnesium during hydrolysis influences the size of the magnesium hydroxide nanoparticles formed therefrom. The magnesium hydroxide nanoparticles can be treated with an aliphatic compound (e.g., a monofunctional alcohol) to prevent aggregation of the nanoparticles during drying and/or to make the nanoparticles hydrophobic such that they can be evenly dispersed in a polymeric material. The magnesium hydroxide nanoparticles exhibit superior fire retarding properties in polymeric materials compared to known magnesium hydroxide particles.

Abstract: The invention provides a method for preparing particulate brucite comprising grinding and beneficiating particulate brucite wherein the ground beneficiated particulate brucite has a d90 of less than or equal to about 6.4 ?m as measured by laser light scattering.

Abstract: A flame retardant composition is provided which contains at least one phosphate ester containing at least one acidic substance resulting from the process of its manufacture, at least one acidity-reducing hydrotalcite and, optionally, at least one acidity-reducing oxetane. The flame retardant composition is especially useful for addition to resins that are susceptible to hydrolytic degradation such as polyesters and polycarbonates, and to resin blends (alloys) containing one or more of such resins, e.g., a blend of polycarbonate and acrylonitrile butadiene-styrene terpolymer.

Abstract: A flame-retardant biodegradable material comprises a compound represented by formula (1): wherein R1, R2, R3, R4, R5, R9, R10 and R11 each independently represents an alkyl group, an aryl group, or an aralkyl group; R6, R7 and R8 each independently represents an alkylene group; and n, p, and q each independently represents an integer of one or more.

Abstract: The invention relates to flame retardant mixtures for thermoplastic polymers, comprising a phosphinic salt of the formula (I) where M=Al (component A) and a fusible phosphinic salt of the formula (I) where M=Zn (component B), in which R1 and R2 are identical or different and are C1-C6-alkyl, linear or branched, and/or aryl; and n is from 1 to 3; where the amount of component A present is from 5 to 95% by weight and the amount of component B present is from 5 to 95% by weight, and also flame-retardant polymers. The polymers are polyamides which contain, as aromatic dicarboxylic acids, terephthalic acid or isophthalic acid.

Abstract: A brominated diphenyl ethane mixture of the present invention comprises about 0 to about 2% by weight of pentabromodiphenyl ethane, about 55 to about 85% by weight of hexabromodiphenyl ethane, about 1 to about 20% by weight of heptabromodiphenyl ethane, about 1 to about 25% by weight of octabromodiphenyl ethane, about 0 to about 10% by weight of nonabromodiphenyl ethane, and about 0 to about 5% by weight of decabromodephenyl ethane. The brominated diphenyl ethane mixture can be added to thermoplastic resin as a flame retardant, can exhibit excellent compatibility with thermoplastic resins, can minimize the generation of environmental problems, and can obtain excellent impact resistance, thermal stability, weatherability and flowability as well as improved flame resistance.

Abstract: A flame-retardant, characterized in that it comprises a layered titanic acid in the form of a nano sheet which is formed by a method comprising treating a layered titanic acid salt with an acid or warm water and then reacting the resultant mixture with an organic basic compound, or carrying out the step of treating a layered titanic acid salt with an acid or warm water and the step of reacting with an organic basic compound, in one pot, to thereby swell or separate the layers; and a flame-retardant resin composition, characterized in that it comprises 100 parts by weight of a resin and 0.5 to 50 parts by weight of the above layered titanic acid in the form of a nano sheet.

Abstract: The present invention is directed to novel flame retardant monomers and polymers, wherein the flame retardant properties of the polymers are provided by functionality in pendant groups attached to a polymer backbone (as opposed to the polymer backbone itself possessing flame retardant properties. The present invention is also directed to methods of making such polymers and monomers, and articles of manufacture incorporating such monomers and polymers.

Abstract: A fire-retardant coating material includes an intumescent material and a binder. The intumescent material is cured and powdered. The intumescent material includes a hydrocarbon, acid source and blowing agent. The hydrocarbon includes a plurality of alcohol groups. The fire-retardant coating material dries at room temperature.

Abstract: There is presented a new flame retardant composition comprising a brominated aromatic composition and a butyl substituted phenyl phosphate.

Abstract: A flame retardant includes an ion complex formed from compounds including at least one first compound each selected from sulfuric acid or a compound having a sulfonic acid group and a second organic compound each having a cationic moiety. The ionic complex includes ionic bonding of sulfuric acid or a sulfonic acid group in the at least one first compound and at least one cationic moiety in the at least one second organic compound. At least one of the at least one first compound or the at least one second organic compound includes a high-molecular-weight compound.

Abstract: The present invention has for its object to provide a fire retardant resin composition which is not only halogen-free and, hence, eliminating the adverse effect to the environment and human physiology but also reflecting an excellent fire retardancy imparted to a polyphenol having inherently favorable physical properties and heat resistance. The present invention is a fire retardant resin composition comprising a polyphenol compound and an inorganic microfine particle, wherein said polyphenol compound has such a structure that aromatic units each having at least one phenolic hydroxyl group are connected to one another through an organic unit containing two or more carbon atoms, and said inorganic microfine particle is a product of hydrolysis and condensation of an alkoxide compound and/or a carboxylic acid salt compound.

Abstract: The present invention concerns a fire resistant composition particularly for a power and/or telecommunications cable, said composition comprising a polymer and a fire retardant filler. The invention is remarkable in that the polymer is thermoplastic in type and in that the fire retardant filler comprises cork.

Abstract: To provide a halogen-free flame retardant composition containing no antimony, phosphorus and phosphorus compounds at all, a non-halogen flame-retardant resin composition of environmental type ideal for disaster prevention made of the flame retardant composition, which causes little carbon monoxide (CO) during combustion while having high flame retardance, and molded products, electric wires, cables, fiber or fiber post-processed products made of the resin composition. The flame retardant composition comprises a mixture of (A) a resin having an average particle diameter of not more than 1000 ?m selected from wholly aromatic polyamide, polyimide, polyamideimide, a copolymer of the wholly aromatic polyamide, the polyimide or the polyamideimide or a mixture of the above mentioned polymers and (B) a metal hydrate. The flame-retardant resin composition contains 50 to 200 parts by mass of the flame retardant composition to 100 parts by mass of a thermoplastic resin or a thermosetting resin.

Abstract: Natural oil based halogenated compounds that are useful as flame retardants for polymeric materials, such as polyurethanes. Novel compositions of matter, novel processes for preparing such compositions of matter, and end use applications of the novel compositions of matter. The process comprises the reaction of natural oil hydroxylates with halogenated reactive materials such as halogenated anhydrides of organic acids or their esters in the presence of a titanium catalyst.

Abstract: A process for preparing a polybromoaryl ether, the polybromoaryl ether prepared by this process comprising adding to a solvent for the polybromoaryl ether a mixture of (1) at least one compound of the structure HO—Ar—X1X2X3X4X5, wherein Ar is an aryl group and X1, X2, X3, X4, and X5 are independently selected from hydrogen and bromine, provided that at least one of X1, X2, X3, X4, and X5 is bromine, (2) at least one alkali or alkaline metal hydroxide, and (3) at least one polymerization initiator, wherein said solvent for the polybromoaryl ether is a non-solvent for alkali metal bromides. The current invention also relates to a composition comprising a mixture of a polymeric resin and the polybromoaryl ether prepared by the process of the current invention.

Abstract: The present invention relates to a styrenic polymer composition comprising a flame-retardant effective amount of a compound of formula (I): (C6H(5-n)Yn)CH2X, wherein X is Cl or Br; Y is Cl or Br; and n is an integer between 1 and 5; or a mixture of two or more of said compounds of formula (I) or their homologues and derivatives or other Br-FRs.

Abstract: This invention relates to a flame retardant additive which does not become slimy when brought in contact with warm water. The flame retardant additive comprises a first compound composed of a nitrogen-containing heterocycle compound and a phosphate, and this first compound is surface treated with at least one hydrophobic compound comprising an organosilicon compound.

Abstract: The present invention relates to flame-retardant compositions for use in polyurethane foams, the flame-retardant composition comprising: (a) a phosphate ester blend comprising triphenyl phosphate and one or more alkyl-substituted triphenyl phosphates; and (b) a polyol crosslinking agent soluble in the phosphate ester blend. The invention also relates to flexible polyurethane foams containing these flame-retardant compositions.

Abstract: A flame retardant composition for use in flame retarding a polyurethane foam composition so that the foam has reduced scorch as a result of its manufacture, said flame retardant composition comprising a mixture of (a) a flame retardant of the type that normally causes scorch when used in such foam and (b) a benzofuranone derivative, as a anti-scorch stabilizer. Flame retarded polyurethane foams having reduced discoloration are also provided.

Abstract: A flame retardant is provided which has excellent dispersibility in resin ingredients and can give flame-retardant resin moldings excellent in flame retardancy and mechanical properties. The flame retardant comprises magnesium hydroxide particles, a higher fatty acid, preferably stearic acid, bonded to part of the surface of the magnesium hydroxide particles, and a silicone oil having reactivity bonded to that surface part of the magnesium hydroxide particles which does not have the higher fatty acid bonded thereto.

Abstract: A flame retardant includes magnesium-hydroxide particles that contain at least one transitional metal compound. The at least one transitional metal compound is at least one compound selected from a group consisting of copper compound, cobalt compound, nickel compound, zinc compound and titanium compound. The at least one transitional metal compound is contained in the magnesium-hydroxide particles with the content of 100 to 1000 mass ppm in terms of metals. In addition, the total content of the copper compound, the cobalt compound and the nickel compound is 1000 mass ppm in terms of metals or less while the total content of the zinc compound and the titanium compound is 1000 mass ppm or less.