Abstract: Aqueous urea condensate-boron oxyacid salts composition may be utilized to fight grass, forest, building, and other flammable organic material by applying it to these flammable organic materials. The solid or aqueous urea condensate-boron oxyacid salts composition may also be incorporated into flammable materials such as solid and foam plastic and natural materials. Urea condensate-boron oxyacid salts composition may also contain carbonization auxiliaries, such as phosphorus containing compounds, metal containing compounds that will accelerate carbonization, heat reflector, surfactant and fillers. The urea condensate-boron oxyacid salts composition is produced by mixing, heating and/or reacting urea, boron oxyacids and alkali metal hydroxide or alkaline earth metal hydroxide or oxide or the boron oxyacids maybe first reacted with the alkali metal hydroxide or the alkaline earth metal oxide or hydroxide.

Abstract: Flame retardant compositions of this invention are produced by applying on or incorporating a mixture of cyanuric acid and cyamelide composition in a more flammable organic material. The mixture of cyanuric acid and cyamelide compounds are produced by heating urea or heating urea with biuret. The mixture of cyanuric acid and cyamelide compounds may be used alone or may be mixed with or reacted with carbonization auxiliaries, reacted with aldehydes and mixed with metal containing compounds, carbonization accelerators, heat reflexing compounds and fillers to produce a cyanuric acid and cyamelide composition which is applied on or incorporated in a more flammable organic compositions such as polyurethanes, polyester resins, epoxy resins, vinyl resins and other resins. The cyanuric acid and cyamelide salts of phosphorus, boron or sulfur containing compounds and the cyanuric acid and cyamelide aldehyde resins may also be used as the flame retardant compound in this invention.

Abstract: The composition includes a chlorinated polyolefin grafted by an amino-silane to enable it to be cured in air. The composition contains a basic mixture including, for 100 parts by weight of said chlorinated polyolefin, 100 to 250 parts of a filler containing moisture and an agent for treating said filler, and said amino-silane is grafted to said chlorinated polyolefin of said basic mixture during extrusion of the composition. The composition is useful in insulating and sheathing cables.

Abstract: The invention relates to a flame-retardant coating which forms an insulating layer and is based on substances which carbonize and which form a foam layer in the event of a fire, on film-forming binders, on blowing agents and on customary auxiliaries and additives, wherein the blowing agent and foam layer forming substance present comprises melamine polyphosphate.

Abstract: A flexible intumescent material which comprises inorganic fibers and flexible organic fibers together forming a predominantly fibrous matrix, an elastomeric binder and an intumescent substance and which has been compressed at a moisture content of less than 5% by weight. The intumescent material may be produced by wet laying an aqueous slurry of inorganic fibers, flexible organic fibers, the intumescent substance and the elastomeric binder onto a water-pervious support, withdrawing water from the slurry to form a sheet, drying the sheet to a moisture content of less then 5% by weight and then compressing the sheet material.

Abstract: Flame retardant compositions of this invention are produced by incorporating a urea-organic compound condensate into a flammable organic material. The urea-organic compounds condensate are produced by heating urea organic compounds that will condensate with or react with isocyanic acid and/or cyanic acid or heating urea first then reacting the condensation compounds with other organic compounds. The urea-organic compound condensate may be mixed with or reacted with carbonization auxiliaries, aldehydes and fillers to produce a urea-organic compound condensate composition which is incorporated in more flammable organic compositions such as polyurethanes, polyester resins, epoxy resins, vinyl resins and other resins. The urea-organic compound condensate salts of phosphorus, boron or sulfur containing compounds and the urea-organic compound condensate-aldehyde resins may also be used as the flame retardant compound in this invention.

Abstract: Flame retardant compositions of this invention are produced by incorporating an amino condensation composition in a more flammable organic compound. The amino condensation compositions are produced by heating urea or heating urea with other nitrogen containing compounds that will condensate with or react with isocyanic acid and/or cyanic acid or heating urea first then reacting the condensation compounds with other nitrogen containing compounds. The amino condensation compounds may be mixed with or reacted with carbonization auxiliaries, aldehydes and fillers to produce an amino condensation composition which is incorporated in more flammable organic compositions such as polyurethanes, polyester resins, epoxy resins, vinyl resins and other resins. The amino condensation salts of phosphorus, boron or sulfur containing compounds and the amino condensation-aldehyde resins may also be used as the flame retardant compound in this invention.

Abstract: A flame retardant for flameproof mesh sheets which does not experience an increase in viscosity while it is kept and does not generate harmful halogen gas at the time of combustion and a flameproof mesh sheet comprising the same. The flame retardant for mesh sheets preferably comprises red phosphorus in an amount of 1.5 to 15 parts by weight and an ammonium polyphosphate compound in an amount of 10 to 70 parts by weight based on 100 parts by weight of an aqueous dispersion of an ethylene-vinyl acetate copolymer having a vinyl acetate content of 10 to 95 wt % and a resin solid content of 25 to 75 wt %.

Abstract: Moldable intumescent thermoplastic elastomer materials are disclosed based on suitable proportions of polyethylene, chlorinated polyethylene and a silicone elastomer with silphenylene siloxane monomer moieties and stabilizers, all with foamers, char formers and fillers. Examples of suitable silphenylene-siloxane monomer moieties are 1,4-phenylene-hexamethyltrisiloxanyl and 1,4-phenylene-1,1,3,5,5-pentamethyl-3-vinyltrisiloxanyl where the respective methyl groups may be replaced with suitable phenyl groups or other lower alkyl groups and their fluorinated analogs.

Abstract: A flexible self-supporting fire barrier material comprising about 0.5 to about 25 weight % of a structural phase and greater than or equal to about 75 weight % to about 99.5 of inorganic heat absorbing compounds dispersed throughout the structural phase, based on a total weight % of the fire barrier material; the structural phase comprising 0.5 to about 10 weight % binder and 0.01 to about 15 weight % fibers, based on the total weight % of the fire barrier material; the inorganic heat absorbing compounds comprising an intumescent compound and an endothermic compound; the material having a density of at least about 0.5 g/cc.

Abstract: This invention relates to a fire barrier material comprising at least about 25 weight % binder; at least about 10 weight % intumescent compound; and at least about 5 weight % organic fibers comprising an organic material having pendant hydroxyl groups, wherein the density of the fire barrier material ranges from greater than zero to about 0.35 grams/cm.sup.3 as well as a method of making the fire barrier material.

Abstract: An article is a liquid or solid mixture of a plurality of particles and a binder. The article may be a paint or a freestanding film. The particles have a composition A[xAl(1-x)Ga].sub.2 O.sub.4+.gamma. (.delta.In), wherein A is zinc, magnesium, and/or cadmium, the value of x is from 0 to 1, the value of .delta. is from 0 to about 0.2, and the value of .gamma. is less than about 0.2. In the liquid paint mixture, a paint vehicle is also typically present to impart the desired fluidity to the mixture. The solid paint or film made using this material is white, has very low solar absorptance, and may be made electrically conductive by doping the particles with indium or other appropriate dopant.

Abstract: Fire retardant tablet is provided which is produced by tableting a fire retardant mixture containing heat-expandable graphite (A), and a water-soluble fire retardant synergist (B) or one containing additionally water-insoluble fire-retardant synergist (C). A method for fire retardation, a fire-retardant polymer composition, and a molded article of a fire-retardant resin by use of the fire retardant tablet are also provided. In the production of a fire retarding polymer composition containing heat-expandable graphite, the crushing of the heat-expandable graphite under melt-shearing is minimized.

Abstract: New plastic articles are disclosed and claimed having flame retardant properties which contain a core of a plastic polymeric material (thermoplastic, thermoset, rigid foam or semi-flexible foam polymeric material) which is coated with a protective, flame retardant layer comprising a mixture of a thermoplastic polymeric material and a flame retardant, char-forming, intumescent system. The new articles are suitable for the manufacture of e.g. rods, beams, pipes, hoses, non-tubular profiles and panels which are useful in various industries such as the building, automotive and mining industries.

Abstract: A fire retardant coating composition which comprises expandable graphite particles, a solid absorbent material, a polymeric binder, a carbonific material, a blowing agent, a solvent and a rheology modifier. The expandable graphite particles include from about 20 to about 95% by weight of the combined amount of expandable graphite particles and solid absorbent material. The polymeric binder comprises from about 10 to about 50% by weight of the combined amount of the polymeric binder, the expandable graphite particles, and the solid absorbent material. The carbonific material comprises from about 0 to about 70% by weight of the combined amount of the carbonific material and the polymeric binder. Similarly, the blowing agent comprises from about 0 to about 70% by weight of the combined amount of the blowing agent and the polymeric material. The solvent comprises from about 25 to about 50% by weight of the total composition. The rheology modifier is present in an amount of from 0.

Abstract: The present invention concerns an erosion resistant, low signature liner for solid propellant rocket motors and rocket motors having such a low signature liner. The liner combustion products in the exhaust plume have low visibility in the IR and visible light spectra which is essential for use in low signature solid propellant rocket motors. The liner also forms an in-situ protective layer at elevated temperatures for enhanced erosion resistance. These erosion resistant properties eliminate the need for supplemental case insulation which would contribute additional smoke and combustion products to the exhaust plume as well as add additional costs and inert weight to the motor.

Abstract: Intumescent sealing and cover profiles obtainable by extrusion of a mixture comprising thermoplastic elastomers, expandable graphite, flame retardants, inorganic fillers and inorganic fibers at from 180 to 250.degree. C. and subsequent shaping to form the appropriate profiles, and their use.

Abstract: A novel fire-retardant polymer composition is provided which comprises 100 parts by weight of a polymer such as polyolefins and polystyrenes, 1-30 parts by weight of an oxide or a complex oxide of metals such as antimony, boron, and molybdenum, and 1-30 parts by weight of heat-expandable graphite. The fire-retardant polymer composition emits less amounts of smoke and corrosive gas on burning with the characteristics of the polymer material kept unimpaired.

Abstract: A flame retardant composition comprising coated particles, said particles having a core comprising melamine phosphate, melamine polyphosphate, melamine pyrophosphate, or mixtures thereof, said core having at least one coating comprising an organo silane, ester, polyol, dianhydride, dicarboxylic acid, melamine formaldehyde, or mixtures thereof; a polymer composition containing said flame retardant; a polymer composition containing a flame retardant comprising melamine phosphate, melamine polyphosphate, melamine pyrophosphate or mixtures thereof, and dicarboxylic acid, dianhydride, or mixtures thereof; and a process for preparation of said polymer compositions by increasing extruder throughput are disclosed.

Abstract: This invention relates to a foamed material for fireproofing and/or insulating purposes, consisting of 30 to 90 parts by weight of a solution that contains 20 to 70 wt-% Al (H.sub.2 PO.sub.4).sub.3 and 30 to 80 wt-% water, 5 to 55 parts by weight of a mixture that contains 10 to 70 wt-% MgO, 0 to 70 wt-% mica, 0 to 70 wt-% aluminium hydroxide and 1 to 20 wt-% MnO.sub.2, as well as 1 to 30 parts by weight of a foaming agent that contains 3 to 33 wt-% H.sub.2 O.sub.2 and 67 to 97 wt-% water. In accordance with the invention, the term "insulating purposes" refers to the use of the inventive foamed material for heat and sound insulation.

Abstract: A glass fiber capable of withstanding temperatures in excess of 1900.degree. F. is produced by treating a glass, preferably E-glass, fiber. The glass fiber is first leached with selected acids, and then the leached fiber is treated with organo-metallic materials of low viscosity, such as a dispersion of low molecular weight water-in-oil emulsion of dimethyl polysiloxane. The fiber is used in such applications as embedding it in a fire-resistant active coating material or embedding it into one surface of a polyolefin or composite plastic, such as a polypropylene sheet. The treated fiberglass can be used as a sole component or in concert with a fire-resistant or fire retardant material to further enhance its fire-resistant properties.

Abstract: A fire retardant coating composition for lignocellulosic materials which comprises expandable graphite particles, a absorbent material, a polymeric binder, a carbonific material, a blowing agent, and a wetting agent. The expandable graphite particles include from about 20 to about 95% by weight of the combined amount of the expandable graphite particles and the absorbent material. The polymeric binder comprises from about 5 to about 50% by weight of the combined amount of the polymeric binder, the expandable graphite particles, and the solid absorbent material.

Abstract: An aqueous composition containing an acid-hardenable melamine-formaldehyde resin and a nitrogen-containing acidic phosphorus curing agent made from either phosphoric acid or phosphorous acid which is curable to an intumescent composition.

Abstract: The invention relates to a mixture for the manufacture of intumescent shaped parts with a composition containing in percentage by weight, 30-60% thermoplastic, 40-70% expandable graphite and 5-40% filler mixture. The mixture does not attack processing machines and has an improved foaming behavior. A particular characteristic of the mixture is that the filler mixture forms OH.sup.- ions when it contacts moisture.

Abstract: A fire-retardant polymer composition is provided which comprises 100 parts by weight of a polymer such as polystyrene, 1 to 30 parts by weight of heat-expandable graphite, and 1 to 30 parts by weight of a phosphorus compound. The polymer composition is fire-retardant, and emits less smoke and less corrosive gas on burning.

Abstract: A fire retardant molding composition for molded objects such as pipes and pipe cuffs includes a thermoplastic matrix including a matrix stabilizer and intumescing components including expandable graphite.

Abstract: Disclosed is a method of inhibiting the growth of marine organisms on a marine structure, by applying dihydropyridazinone and pyridazinone compounds onto or into the marine structure. These compounds may be directly incorporated into the marine structure during manufacture, directly applied to the structure, or applied to the structure by means of a coating.

Abstract: Flame retardant compositions such as polyurethane foams are produced by incorporating an amino condensation composition. The amino condensation compositions are produced by heating urea or heating urea with other nitrogen containing compounds that will condensate with or react with isocyanic acid and/or cyanic acid or heating urea first then reacting the condensation compounds with other nitrogen containing compounds. The amino condensation compounds may be mixed with or reacted with carbonization auxiliaries, aldehydes and fillers to produce an amino condensation composition which is incorporated in more flammable organic compositions such as polyurethanes, polyester resins, epoxy resins, vinyl resins and other resins. The amino condensation salts of phosphorus, boron or sulfur containing compounds and the amino condensation-aldehyde resins may also be used as the flame retardant compound in this invention.

Abstract: Disclosed is a method of inhibiting the growth of marine organisms on a marine structure, by applying diphenyldiones. These compounds may be directly incorporated into the marine structure during manufacture, directly applied to the structure, or applied to the structure by means of a coating.

Abstract: A pressure-sensitive adhesive composition comprises an adhesive selected from the group consisting of rubber resin adhesives and acrylic adhesives containing from about 10 to about 60% by weight of the adhesive of a non-halogen intumescent flame retardant.

Abstract: An intumescent thermoplastic elastomer molding composition is disclosed that includes high density polyethylene with chlorinated polyethylene and/or silicone rubber; a heat stabilizer for the thermoplastic elastomer material and an intumescent and fire-resistant additive for the thermoplastic elastomer, whereby moldings prepared from such mixture have good physical properties over a substantial range of ambient temperatures and display a resistance to flame and heat as characterized by the Intumescence Efficiency test of this specification.

Abstract: Provided is an insulation for rocket motors that uses two ingredients not previously combined in such insulation before. These ingredients are ammonium sulfate and antimony oxide, which when combined, have a synergistic effect that reduces the ablation rate significantly. Such insulation also includes EPDM rubber and aramid fibers. The inventive insulation also exhibits better tear resistance and propellant-to-insulation bond peel strength, compared with prior art rocket motor insulation.

Abstract: An article is a liquid or solid mixture of a plurality of particles and a binder. The article may be a paint or a freestanding film. The particles have a composition A?xAl(1-x)Ga!.sub.2 O.sub.4 (.delta.In), wherein A is zinc or cadmium, the value of x is from 0 to 1, and the value of .delta. is from 0 to about 0.2. In the liquid paint mixture, a paint vehicle is also typically present to impart the desired fluidity to the mixture. The solid paint or film made using this material is white, has very low solar absorptance, and may be made electrically conductive by doping the particles with indium or other appropriate dopant.

Abstract: A novel silicone system comprising a methoxy terminated silane or polysiloxane, an adhesion promoter and water, useful as a filler alone or in combination with other fillers is disclosed.

Abstract: A fire-retardant coating material including a fluid intumescent base material having a foaming agent, a blowing agent, a charring agent, a binding agent, a solvent, and a pigment. The coating material further includes a flame spread reduction agent; refractor fibers dispersed in the fluid intumescent base material; an oxidation reduction agent; a thermal transmission reduction agent; a stabilizer and volatile organic reduction component; a mechanical enhancer component for physical impact resistance and adhesion; a water-resistance agent; and an elasticity agent to increase resistance to cracking and shrinking, and to improve ease of spraying.

Abstract: A method of masking the cornea of an eye during surgical application of laser energy by forming an ablatable mask on the eye.

Abstract: A flexible closed cell polymeric foam contains expandable graphite as fire retardant. The foam is prepared by mixing a polymer, a curing agent, at least one blowing agent and an expandable graphite at a temperature of at least 100.degree. C. but below a temperature causing activation of the blowing agent to foam a foamable mixture and thereafter heating the foamable mixture to activate the blowing agent and cause foaming. The method of preparation may additionally include a curing step in which the foamable mixture is heated under pressure to activate simultaneously each of a curing agent, which is preferably a free radical curing agent, and a foaming agent. The foams are capable of meeting the U.S. Federal Aviation Authority Standards, especially the oil burner test of FAR 25 Appendix F, part II.

Abstract: To ensure the thermal protection of a structure or person exposed to a transient thermal stress, it is proposed that a material be produced by polymerizing a homogeneous mixture of 50 to 80 parts by weight of an elastomeric binder, 10 to 25 parts by weight of a silica charge and 18 to 45 parts by weight of a solubility agent containing 3 to 20 parts by weight of at least one structural water-saturated mineral charge and 15 to 25 parts by weight of structural water in excess.

Abstract: A heat ablative coating composition is prepared by combining an epoxy silane resin, an epoxy resin, a silicone intermediate, a silicon-modified polyether, an aminosilane, at least one organometallic catalyst, at least one organic solvent, water, at least one filler, optional nonsilicon-containing amine catalyst, and optional pigments and thixotropic agents. The heat ablative coating composition is applied to a substrate to form a film having a build thickness in the range of from about 0.1 to 0.5 inches that is capable of curing at ambient outdoor temperature in about seven days, depending on ambient conditions. The heat ablative film so formed is designed to undergo a slow thermal decomposition when exposed to high temperature conditions without igniting or causing excessive smoke, and is designed to have good thermal conductivity to protect the underlying substrate from thermal decomposition.

Abstract: The invention relates to an ablator composition for providing ablation protection. The ablator composition comprises 100 parts by weight of a mixture of vinyl-containing organopolysiloxanes, the mixture containing 50-80 wt. % of a diorganopolysiloxane which contains vinyl groups and 20-50 wt. % of a silicone resin which contains vinyl groups; an organohydrogenpolysiloxane containing in one molecule thereof at least three hydrogen atoms which are directly bonded to silicon atoms thereof; a catalyst which is at least one selected from the group consisting of metallic platinum and platinum compounds; up to 150 parts by weight of silica microballoons; and at least one selected from the group consisting of up to 15 parts by weight of quartz glass fibers and up to 15 parts by weight of carbon fibers. An ablator material prepared by curing the ablator composition has a low surface recession rate even under a condition of a high heating rate such as about 4 MW/m.sup.

Abstract: A flexible closed cell polymeric foam contains expandable graphite as fire retardant. The foam is prepared by mixing a polymer, a curing agent, at least one blowing agent and an expandable graphite at a temperature of at least 100.degree. C. but below a temperature causing activation of the blowing agent to foam a foamable mixture and thereafter heating the foamable mixture to activate the blowing agent and cause foaming. The method of preparation may additionally include a curing step in which the foamable mixture is heated under pressure to activate simultaneously each of a curing agent, which is preferably a free radical curing agent, and a foaming agent. The foams are capable of meeting the US Federal Aviation Authority Standards, especially the oil burner test of FAR 25 Appendix F, part II.

Abstract: This invention relates to an intumescent composition of the two-component type, comprising:(A) an amino-formaldehyde resin; and(B) an ester of phosphoric acid in admixture with an additive selected from the group consisting of a water scavenger, a filler, a pigment, a surfactant and a mixture thereof.This composition is suitable for use as a fire protection agent, particularly for the coating or impregnation, respectively, of fiberglass mats.

Abstract: The invention relates to an intumescent one-component sealant based on polyurethane and containing an intumescent agent and a vitreous fusible filler. The intumescent agent and the vitreous filler have been pretreated by reaction with an isocyanate having a functionality of at least 2. The sealant is stable in storage and is an effective fire barrier in the event of fire.

Abstract: A thin-film intumescent composition for protecting a substrate against fire and thermal extremes includes a polymer binder, a solvent, a carbonific, a spumific, a catalyst, and at least some additives chosen from a source of carbon, finely divided elemental boron, a metal stearate adduct with alumina, and a conjugated fatty acid, preferably a conjugated triglyceride. The compositions provide chars having greatly increased efficiency, greater thickness, better physical characteristics including cell structure and physical toughness, and greater resistance to oxidation by fires and by chemicals present in fires.

Abstract: An intumescent composition comprises saline soluble inorganic silicate fibrous material containing CaO, MgO and no more than 4% by weight of Al.sub.2 O.sub.3, such as calcium magnesium silicate. The fibres may be vitreous, with an average length of 10 to 500 microns, and may form 5 to 30 weight percent of the composition. The composition may be incorporated in a coating composition, e.g. for wet coating (paint) or powder coating, or a mastic or putty, or a composition containing a polymer. Enhanced fire protection can be provided, and the coating compositions may be applied as a single thick coating rather than by building up thin layers.

Abstract: A flame retardant asphalt material useful for the processing and formation of a roofing membrane includes from about 40 to about 50 parts by weight of asphalt; from about 10 to about 20 parts by weight of a copolymer; from 0 to about 5 parts by weight of polypropylene homopolymer having at least about 45 percent by weight of crystallinity; from about 10 to about 40 parts by weight of a functional filler having a decomposition temperature above the processing temperature of the material; from about 0 to about 15 parts by weight of a non-functional filler; and, from about 0.5 to about 10 parts by weight of an intumescent material.

Abstract: An intumescent silicone rubber composition is provided having an expandable intumescent material present in the composition by up to 20% by weight, a polyorganosiloxane oil present in an amount from about 10% to about 40% by weight of the composition, a hydrated alkali metal silicate present in an amount of up to 80% by weight of the composition and a silicone elastomer binder present in an amount from about 4% to about 30% by weight of the composition. The result is a very effective and relatively inexpensive composition which when used as firestop material around combustible pipe, such as PVC or ABS, readily meets the test criteria set forth under ASTM Standard E-814.

Abstract: Thermoplastic elastomeric ablative insulation having low density are disclosed. The ablative insulation is based upon a thermoplastic elastomeric polymer resin containing a polyamide polymer and a maleic anhydride modified EPDM polymer. The ratio of polyamide polymer to maleic anhydride modified EPDM is in the range from about 20:80 to about 40:60. Carefully selected fillers provide suitable charring and ablative insulation performance without unduly increasing the insulation density. Typical fillers include an phosphorus containing compound, such as ammonium polyphosphate, a polyhydric alcohol present, such as pentaerythritol, silicone resin, chopped fibers, an antioxidant, a butadiene polymer, and a peroxide.

Abstract: Halogen-free, flame-resistant polymeric compositions contain an intumescence flameproofing system which comprises ammonium polyphosphate and an organophosphorus nitrogen component. The organophosphorus nitrogen component here is a phosphoric acid polyester according to the formula ##STR1## In these formulae, R is CH.sub.2, C.sub.2 H.sub.4 or C.sub.3 H.sub.6, while m is 1 to 10 and n is 1 to 6.

Abstract: A flexible, fire-retardant, intumescent composition comprising:a) an intumescent material;b) an effective amount of a stabilizing agent; andc) an organic binder throughout which the intumescent material and stabilizing agent are dispersed, the elastomeric binder being at least partially crosslinked, wherein the stabilizing agent consists essentially of a compound selected from the group consisting of compounds within general formula I ##STR1## wherein R.sup.1 -R.sup.4 inclusive are independently selected from the group consisting of hydrogen and alkyl groups having from 1 to about 5 carbon atoms, with the provisos that:i) either both of R.sup.1 and R.sup.2, or both R.sup.3 and R.sup.4 are alkyl groups having from 1 to about 5 carbon atoms; andii) the stabilizing agent has a melting point ranging from about 105.degree. C. to about 125.degree. C.