1046results about "Heat resistant fibres" patented technology

The present invention relates to the use of ionic liquids as flame retardants. The compounds of the invention may be used as flame retardants in various materials without causing damage to the environment and or health of humans or animals. Ionic liquid flame retardants maybe applied alone or in combination with traditional flame retardants. Ionic liquid flame retardants can be applied to finish textile, plastic, leather, paper, rubber or as wild fire flame retardants.

An improved acoustically and thermally insulating fire-retardant composite material suitable for use in structures such as buildings, appliances, and the interior passenger compartments and exterior components of automotive vehicles is provided. The material is comprised of at least one airlaid fibrous layer of controlled density and composition and incorporating suitable binding agents and additives as needed to meet expectations for noise abatement, fire-retardancy, and mildew resistance. Separately, an airlaid structure which provides a reduced, controlled airflow therethrough useful for acoustic insulation is provided, and which includes a woven or nonwoven scrim. A process for the production of the fire retardant nonwoven material is also provided.

To prepare a shaped product comprising a thermal adhesive fiber under moisture and having a fiber aggregate nonwoven structure. In the shaped product, the thermal adhesive fibers under moisture are melted to bond to fibers constituting the fiber aggregate nonwoven structure and the bonded fiber ratio is not more than 85%. The shaped product has an apparent density of 0.05 to 0.7 g/cm³, a maximum bending stress of not less than 0.05 MPa in at least one direction, and a bending stress of not less than ⅕ of the maximum bending stress at 1.5 times as large as the bending deflection at the maximum bending stress. The moistenable-thermal adhesive fiber may be a sheath-core form conjugated fiber comprising a sheath part comprising an ethylene-vinyl alcohol-series copolymer and a core part comprising a polyester-series resin. Such a shaped product can be used for a building board or the like since the shaped product has a high bending stress although the product is light and has a low density.

It is intended to provide a novel artificial sueded leather having flame retardance, which is excellent inflame retardance, light resistance and abrasion resistance, suffers from no water spot and is free from any halogenated chemical (i.e., one having been treated with a so-called non-halogenated flame retardant), and a method of producing the same. The above artificial sueded leather comprises a thermoplastic synthetic fiber cloth made of a woven fabric, a knitted web or a nonwoven fabric, which has a raised-fiber or napped-fiber surface and has been impregnated with a polyurethane resin, and a flame retardant which contains at least a phosphate compound A having a solubility in water of 1% or less, a vinyl group-containing resin C capable of forming a carbonization skeleton in burning and a water-insoluble thickener D and is imparted to one face of the thermoplastic synthetic fiber cloth. A method of producing the artificial sueded leather as described above comprises imparting an flame retardant, which contains at least a phosphate compound A having a solubility in water of 1% or less, a vinyl group-containing resin C capable of forming a carbonization skeleton in burning and a water-insoluble thickener D, to one face of a thermoplastic synthetic fiber cloth made of a woven fabric, a knitted web or a nonwoven fabric which has a raised-fiber or napped-fiber surface and has been impregnated with a polyurethane resin.

A textile structure of enhanced flame resistance and articles formed therefrom. The textile structure is adapted to provide enhanced levels of flame resistance so as to withstand flame impingement for prolonged periods.

The present invention relates to rhamnolipid-based formulations for bio-hazard coatings and fire extinguishing compositions. In addition, the present invention relates to the methods of extinguishing fires and protecting objects by using the formulations of the present invention.

Flame resistant fabrics having antimicrobial properties that combat odor and/or resist hazardous microorganisms. The fabrics are particularly suitable for use in clothing and more particularly in protective garments designed to be worn by individuals, such as military personnel and emergency rescue personnel, at risk of exposure to fire and extreme temperatures as well as hazardous substances. The fabrics may be formed in a variety of ways, including, but not limited to, incorporating antimicrobial fibers into the flame resistant fabric yarn or by treating the pre-formed flame resistant yarn or fabric with antimicrobial agents in a dyeing or finishing process.

A flame-retardant fabric 1 of the present invention comprises: a fiber fabric 4; and a back layer 5 formed on the back surface of the fiber fabric 4 and containing at least one of inorganic compound selected from the group consisting of calcium carbonate and magnesium hydroxide, thermally expansive graphite and a polymer substance. The adhering amount of solid of the back layer 5 is 50 to 150 g/m². The adhering amount of the thermally expansive graphite is 15 to 60 g/m². The adhering amount of the inorganic compound is 10 to 60 g/m². The flame-retardant fabric causes no generation of noxious substances in case of fire and at incineration disposal, can impart sufficient initial flame retardancy, and has excellent flame-retardant performance in heat aging.

A filler cloth includes cellulosic fibers treated with a flame retardant chemistry such that the filler cloth has a char length of less than about nine inches when tested in accordance with NFPA 701, such that thermal shrinkage of the filler cloth at 400° F. is less than about 35% in any direction, and such that the filler cloth maintains flame and heat resistant integrity when impinged with a gas flame in accordance with testing protocols set forth in Technical Bulletin 603 of the State of California Department of Consumer Affairs. The filler cloth cellulosic fibers are treated with a flame retardant chemistry such that the filler cloth has a Frazier air permeability of less than about 400 cfm and a thermal resistance rating of at least about 3 when tested according to NFPA 2112.

A fire resistance article comprises a bast fiber component, a thermoplastic component that acts as a binder, and a first fire retardant component, the article having a coating of a second fire retardant component, such that the article can be used in the manufacture of structures having a Class A fire resistance rating. In one method of manufacture, a fibrous mass of the bast fiber component and the thermoplastic binder has the first fire retardant dispersed therethrough, and is then heated, compressed to a desired thickness and density, and coated with the second fire retardant component.

A flame resistant textile is provided. The textile is a sateen weave fabric containing cellulosic fibers, where the sateen weave fabric has a thickness of at least 19.5 mils, a thickness of at least 25 mils after 3 home washes at 120° F., an air permeability of at least 60 cfm, and a weight of less than about 7 oz/yd². The sateen weave fabric also contains a treatment, where the treatment contains a tetramethylhydroxy phosphonium salt or its condensate and chemical selected from the group consisting of urea, guanidines, guanyl urea, glycoluril, and polyamines. When the sateen weave fabric to which the treatment has been applied has been heat-cured and oxidized at least a portion of the cellulosic fibers have a pentavalent phosphate compound polymerized therein. The method for producing the flame resistant textile is also provided.

The present invention relates to the use of ionic liquids as flame retardants. The compounds of the invention may be used as flame retardants in various materials without causing damage to the environment and or health of humans or animals. Ionic liquid flame retardants maybe applied alone or in combination with traditional flame retardants. Ionic liquid flame retardants can be applied to finish textile, plastic, leather, paper, rubber, or as wild fire flame retardants.

A fire-resistant cellulose material composed of a liquid acid fire-retardant chemical composition and methods of producing the cellulose material are disclosed.

A method is described for reducing the afterflame of a flammable, meltable material. A textile composite is described comprising an outer textile comprising a flammable, meltable material, and a heat reactive material comprising a polymer resin-expandable graphite mixture.

A flame-retardant processing method, containing:

• • a radiation processing step of irradiating a cellulosic fiber material with radiation;
  • a phosphorus processing step of adding a radically polymerizable phosphorus-containing compound to the cellulosic fiber material; and
  • an amine processing step of adding an amine compound to the cellulosic fiber material, and a flame-retarded cellulosic fiber material prepared by the method above.

Fire retardant and heat resistant yarns and fabrics include an inner core comprised of oxidized polyacrylonitrile encapsulated by an outer shell comprised of a liquid-resistant and strengthening polymer material. The liquid-resistant and strengthening polymer material includes one or more types of cured silicone polymer resin. A fluorchemical may be at least partially impregnated into the inner core prior to applying the liquid-resistant and strengthening polymer material in order to further enhance the liquid shedding properties of the yarns or fabric. Because the silicone polymer resin only encapsulates the yarn, but does not form a continuous coating over the whole fabric, the treated fabric is still able to breath through pores and spaces between individual yarn strands that make up the fabric. The liquid-resistant and strengthening polymer material increases the strength, abrasion resistance, durability and liquid and gel shedding capability of the fire retardant heat resistant yarn or fabric.

Provided are a flame retardant working solution and flame retardant finishing method for pure cotton fabrics and/or cotton-polyester blend fabrics employing the flame retardant working solution. The flame retardant working solution comprises the following components: a flame retardant, a crosslinking agent, and the balance being water; the flame retardant in the flame retardant working solution has the concentration of 200-600 g/L, and the crosslinking agent has the concentration of 30-100 g/L. Cotton-polyester fabrics or pure cotton fabrics obtained by employing the flame retardant working solution and finishing method has good flame retardant effect and good washing resistance; the cotton-polyester fabrics pass through the GB/T 5455-1997 test, with the afterflaming time and smoldering time of less than 5 seconds after being washed thirty times, and a damaged length of less than 15 centimeters, reaching level B1 according to the GB/T 17591-2006 "flame retarded fabrics" standards, and can be widely used in flame retardant finishing of clothing, tents, upholstery fabrics and fabrics for transportation vehicles.

A flame resistant textile material comprises a textile substrate, a flame retardant finish applied to the textile substrate, and an infrared-absorbing finish applied to the textile substrate.

A closed-loop system and process is used for applying fire retardant chemicals to fibers. Fibers are preferably positioned in a vessel such as a dye machine which circulates the fire retardant chemicals. After absorption of the fire retardant composition, non-absorbed fire retardant chemicals are recovered and re-used on subsequent batches of fibers. Recovery can be achieved by directing the non-absorbed fire retardant composition into a second dye machine containing additional fibers, or by extracting the fire retardant composition by centrifugation or other means, or by a combination of the two processes. The process is environmentally friendly, and allows for higher throughput on impregnating fibers with fire retardant chemicals.

A thermally protective, flame retardant fabric includes a substrate treated with a combination of a flame retardant agent and an intumescent agent. The substrate includes non-thermoplastic fibers or a blend of non-thermoplastic fibers and thermoplastic fibers having a basis weight ranging from 2.0 to 15.0 ounces per square yard. The fabric has a contact thermal protective performance value of at least 4.5 and a contact thermal protective performance efficiency greater than 1.1. Applications of the fabric include protective garments, articles of furniture, vehicle components, building components, electrical components, decorative components, appliances, and containers.

Disclosed are embodiments and methods relating to the treatment of textile, such as a textile substrate, with an aqueous dispersion of surface-functionalized particles and a fluorochemical, or a textile substrate treated with an aqueous dispersion of surface-functionalized particles, a fluorochemical, and a flame retardant chemical. Textiles treated in accordance with the disclosed embodiments (e.g., fluorine concentration of from 20 to 900 ppm) demonstrate an average burn rate less than about 4.0 inch/minute, and an average weight loss is less than about 40% of the original weight. During burning of the treated textile, flaming drips extinguish (on average) in less than about 2 seconds, or does not increase the peak heat release rate by more than about 70%, and the mass loss rate by more than about 50%.

The invention relates to a durable flame-retardant, water-repellent, waterproof and moisture permeable finishing method of a polyester fabric. A flame-retardant and water-repellent finishing agent is prepared from 20-30 parts of cyclic phosphate flame retardants, 60-70 parts of water, 1-1.5 parts of isocyanate cross-linking agents, 3-5 parts of fluorocarbon copolymer waterproof agents and 2-5 parts of NaOH with 10% mass concentration. A bottom coating adhesive is prepared from 100 parts of polyether polyurethane polymer under-coating adhesives, 5-10 parts of methylbenzene, 5-10 parts of butanone, 2 parts of isocyanate cross-linking agents, 1 part of accelerant and 25-35 parts of organic phosphorus-nitrogen flame retardants. A surface coating adhesive is prepared from 100 parts of polyether polyurethane polymer top-coating adhesives and 35-45 parts of methylbenzene. The fabric is padded, calendered, under-coated and top-coated with water repellents to achieve finishing by the flame-retardant and water-repellent finishing agent, the bottom coating adhesive and the surface coating adhesive.

The invention discloses an antibacterial wash-and-wear fire-retardant finishing liquid which is prepared from the following raw materials in parts by weight: 10-15 parts of glyoxal, 10-15 parts of citric acid, 5-8 parts of cyclic phosphate, 5-8 parts of a licorice extract, 3-5 parts of chitosan, 2-3 parts of magnesium chloride, 2-3 parts of sodium hypophosphite, 1-2 parts of a penetrant, 1-2 parts of a coupling agent, 1-2 parts of a softener, 1-2 parts of ethylene glycol, 1-2 parts of a fiber protecting agent, 1-2 parts of a pH adjusting agent and 1-2 parts of a dispersant. The prepared multifunctional antibacterial finishing liquid is environment-friendly and free of pollution, has good efficacies of being wash-and-wear, shrink-proof, antibacterial and flame-retardant, and can meet the requirements of people on various functional aspects of textiles.

Disclosed is a method for producing a flame-retardant polyester fiber wherein a polyester fiber is impregnated with a flame retardance-imparting liquid containing, as a flame retardant, a phosphorus compound represented by the formula (I) below, and the polyester fiber is thermally treated after or simultaneously with the impregnation at atmospheric pressure or under pressure, so that the polyester fiber is imparted with flame retardance. (In the formula, Ar represents a phenyl or naphthyl group which may be substituted with a C1-4 alkyl group, and n represents an integer of 1-3.

The invention discloses a soluble polyelectrolyte compound and a method for flame-retardant finishing of protein fiber, and belongs to the technical field of textile function finishing. A soluble polyelectrolyte compound flame-retardant system is prepared from phytic acid and chitosan under strong acidic conditions, and after being treated by a buffer solution, the phytic acid and the chitosan canbe combined with the surface of the protein fiber by ion bonds, and are attached to the surface of the protein fiber. The phytic acid and chitosan flame retardant components in the preparation methodare natural products, the raw materials are sufficient in source, and the prepared polyelectrolyte compound belongs to an environment-friendly flame-retardant system. The method is simple in process,short in flow and low in economic cost, and the prepared flame-retardant protein fiber is excellent in flame retardancy, is good in washing resistance and has a wide application prospect.

Provided is a flame resistant fabric comprising a fabric substrate comprising cellulosic fibers and thermoplastic fibers, and a finish applied to the fabric substrate comprising a tetrahydroxymethyl phosphonium salt or a condensate thereof, a cross-linking agent, a brominated compound, and optionally a melamine resin. Also provided are methods of preparing the flame resistant fabric.

A flame-resistant additive for textile materials and microfiber non-woven fabrics of the artificial-leather type that imparts a high level of fireproofing properties to the textile material treated without negatively affecting the visual and mechanical characteristics, softness to the touch. The flame-resistant additive includes a fireproofing component having a finely divided mixture of melamine and melamine cyanurate and a clay or other adsorbent material such as diatomaceous earth, zeolite, inorganic oxides such as alumina, silica, magnesium oxide or mixtures of inorganic oxides and a binder which includes an aqueous dispersion of an acrylic or maleic polymer or copolymer and a multifunctional cross-linker of the acrylic or maleic polymer or copolymer.

The present invention provides a metal coated fabric having excellent electromagnetic shielding properties. The metal coated fabric of the present invention has a layer of a flame retardant composition on at least one surface thereof, the flame retardant composition being prepared without using a halogen compound or antimony compound.

The present invention provides a fiber-reinforced glass having excellent heat resistance and toughness, or a composite comprising a heat-resistant fiber and a siloxane polymer, which has a modified surface structure and is useful as a heat-resistant fiber.

The invention discloses a waterborne polyurethane waterproof moisture-permeable coated fabric and a preparation method thereof. The waterborne polyurethane coating is prepared from the following raw materials in parts by weight: 140-150 parts of polyester polyol, 20-24 parts of toluene diisocynate, 40-50 parts of diphenyl-methane-diisocyanate, 8-12 parts of 2,2-dimethylolpropionic acid, 7-9 parts of neopentyl glycol, 3-5 parts of trimethylolpropane, 6-10 parts of dibutyltin dilaurate, 4-6 parts of a DH-1 reinforcing agent, 2-3 parts of an antioxidant TNP, 9-11 parts of an ultraviolet absorbent, 8-12 parts of a dyeing agent, 6-7 parts of liquid paraffin, 4-5 parts of antimony trioxide, 5-7 parts of polytetrahydrofuran dibasic alcohol, 6-8 parts of nanosilicon dioxide, 0.8-1.2 parts of dicumyl peroxide, 7-9 parts of 2,6-Di-tert-butyl-4-methylphenol (BHT), 15-19 parts of deionized water and 7-9 parts of auxiliary. The coated fabric which is high in elongation at break and high in moisture and air permeability is prepared, and the properties such as the elongation at break, the moisture and air permeability, the aging resistance, the flame retardance and the electrostatic resistance of modified polyurethane can be effectively improved.