2211 results about "Acrylic fiber" patented technology

A fiber blend, a yarn spun from the fiber blend, and a fabric made from the yarn, wherein the fiber blend comprises: (a) about 40 wt.% to about 65 wt.% modacrylic fibers containing antimony, or FR acrylic fibers; (b) about 10 wt.% to about 50 wt.% cotton fibers or FR cotton fibers; (c) up to about 25 wt.% nylon fibers; and (d) greater than about 3 wt.% and less than 10 wt.% para-aramid fibers. The fabric is over 90 percent dyeable and is capable of achieving ASTM F1506 certification with an Arc Thermal Performance Value greater than 8.0 cal/cm². The fabric is woven or knitted, and has a weight of about 4.0 oz./yd.² to about 10.5 oz./yd.². The fabric is suitable for garments worn during activities in which there is potential for exposure to flame and/or electrical arc.

The present invention provides a specific filtration media which includes a substrate having cellulose fibers, bicomponent fibers, adhesion fibers, binder, and pressure sensitive adhesive. Also contemplated are fire retardant filtration media containing bicomponent fibers and polyester fibers or acrylic fibers, and optionally cellulose fibers. The cellulose fibers of the invention are pretreated with flame retardant, providing a beneficial material for filtration purposes.

A fabric is provided for use in safety apparel, including a first yarn type comprising at least about 60 percent modacylic fibers and a second yarn type comprising an intimate blend of anti-static fibers and other fibers selected from the group of fibers consisting of polyester, nylon, rayon, modacrylic, cotton, wool, and combinations thereof. The fabric meets the American Society for Testing and Materials standard ASTM F-1506 for flame resistance, Federal Test Method Standard 191A, Method 5931 for electrostatic decay, and the Electrostatic Discharge Association Advisory ADV11.2-1995 voltage potential.

The present invention concerns a flame retardant (FR) nonwoven fabric useful in wall panels, especially for cubicles. The nonwoven fabric comprises from about 15 to 65 weight % of a low melt binder, and least one of FR rayon fiber, FR acrylic fiber, FR melamine fiber, or FR resin coated synthetic or natural fibers, and optional nonbonding fibers. The total amount of FR fibers and FR resin coated synthetic or natural fibers is about 30-85 wt. % of the fabric. The present invention also contemplates a wall panel constructed from the nonwoven fabric comprising FR rayon fibers, FR acrylic fibers, FR melamine fiber or a combination of these, and/or FR resin coated synthetic or natural fibers, with about 15 to about 65 weight % low melt binder. The wall panel from this construction passes the ASTM E 1354, 1999 tests. Preferably the nonwoven fabric has a batt weight of at least about 40 oz./sq. yd. and preferably between about 40 oz./sq. yd. and 60 oz./sq. yd.

The invention relates to element-negative-ion-releasing sterilizing mite-preventing electromagnetic-wave-preventing fire-retarding nano-grade fabric used in vehicles. The invention belongs to the technical field of textile fiber fabric production of vehicle-use nano-grade decorative fabric with functions of refreshing and air-purifying. The fabric is a nano-grade functional healthy textile. The nano-grade fabric provided by the invention is produced form chitosan, which is a natural high polymer extracted from shells of shellfishes, crabs and shrimps; a natural antibiotic humectant SCJ-920; a high-efficiency mite-preventing antibacterial agent SCJ-998; nano-grade negative-ion powder SCJ-900; negative-ion far infrared healthcare slurry 700; a fire retarding finishing agent ATF; an aromatic finishing agent SCM; electromagnetic-wave-preventing ferrites Fe2O3, Fe3O4, and Fe; substances such as TiO2, Al2O3, and ZnO used for providing far infrared radiation; an Ag-embedded nano-TiO2 (AT) antibacterial agent; nano-grade selenium or organic selenium which is rare on earth; organic germanium, Chinese herbal medicines, essential oil, maifanite, tourmaline nano-grade powder and other materials. A mixture of the materials is added to cotton, linen, wool, silk, polyamide fiber, acrylic fiber, terylene or viscose fiber spinning liquid, and the nano-grade fabric is produced through weaving.

An object of the present invention is to provide a dyeable acrylic shrinkable fiber that only slightly shrinks when dyed and has a high shrinkage percentage even after dyeing. By spinning an incompatible spinning solution, the above object can be achieved, and a dyeable acrylic shrinkable fiber that only slightly shrinks when dyed and has a high shrinkage percentage even after dyeing can be provided.

The invention belongs to a manufacture method of an antibacterial conductive acrylic fiber, which is characterized by being composed of the following steps: (1) arranging the acrylic fiber into a reaction vessel, then pouring a solvent into the reaction vessel, dissolving copper salt containing Cu<2+> into the solvent, adjusting the pH valve of the solution to be between 1.5 to 3.0, then adding a reducer and heating, maintaining the temperature of the solution to be between 90 to 100 DEG C, carrying out reduction on the Cu<2+> by utilizing the reducer to generate Cu<+> and lead the Cu<+> to be absorbed on the acrylic fiber; (2) adjusting the pH value of the solution to be between 1.5 to 3.0 and then maintaining the temperature of the solution to be between 40 to 120 DEG C, adding salt containing sulfur atoms and leading a great amount of Cu<+> to be oxidized to generate the Cu<2+> after the reaction time lasts 2 to 4 hours; thereby generating a sulfide of copper that is not easy to be dissolved in the solvent to lead the sulfide of copper to be sufficiently and uniformly dispersed on the surface of the whole fiber. The copper sulphide in the acrylic fiber manufactured by utilizing the method is dispersed on the surface of the whole fiber. The self physical and chemical characteristics of the copper sulphide lead the fiber to have excellent antibacterial property and conductibility; the copper sulphide on the fiber surface is not easy to fall off and has excellent anti-washing property.

The invention relates to flame-retardant and fireproof fabric, and a processing technology and textile thereof. Warp yarns adopt wool tops formed by blending flame-retardant acrylic, flame viscose, fine-denier polyester and aramid fiber 1313 fiber; weft yarns adopt wool tops formed by blending alginate fiber, polyphenylene sulfide, polysulfonamide and phenolic fiber; then the warp yarns and the weft yarns form the flame-retardant and fireproof fabric through steps of dyeing, fixation, rinsing, sizing, weaving, desizing, rinsing, drying, baking, full decatizing and the like. The fabric has the characteristics of simple processing technology, good flame-retardant effect and the like, and can be applied to apparel, home textile, sports goods, medical care and fireproof fabric.

The invention relates to an acrylonitrile copolymer and a preparation method and an application thereof, wherein, the mole ratio of an acrylonitrile on a molecular chain of the acrylonitrile copolymer to a second monomeric unit is 2:1 to 19:1; the formula of the acrylonitrile copolymer is that: 70.0 mol percent to 90.0 mol percent of the acrylonitrile monomer, 10.0 mol percent to 30.0 mol percent of the second monomeric unit, an evocating agent and a chain-transferring control agent respectively taking up 0.1 mol percent to 16.2mol percent and 0.05 mol percent to 5.0mol percent of the total quantity of monomers. The preparation method adopts the formula of the acrylonitrile copolymer and the following technique: a proper amount of deionized water is put in a reaction vessel and cleaned with nitrogen for 5 minutes to 400 minutes at a temperature of 0 DEG C to 70 DEG C; the evocating agent and the chain-transferring control agent are added in one time; the acrylonitrile monomer and the second monomer are put into a blending container, evenly blended and the dropped slowly into the reaction vessel; and then all reactants continue to be stirred for 20minutes to 40 minutes and the product is obtained after being filtered, cleaned with the deionized water for three times and dried in vacuum. The acrylonitrile copolymer of the invention can be produced into acrylic fiber or film with good performance through a fusion processing method.

The invention relates to a graphene/polyvinyl alcohol modified nonwoven fabric production method, and belongs to the technical field of textile chemistry. The method comprises the following steps: dipping a nonwoven fabric in a graphene oxide/polyvinyl alcohol composite modification solution, drying the nonwoven fabric, and reducing graphene oxide to make the surface of the nonwoven fabric covered with a layer of reduced graphene oxide in order to obtain a nonwoven fabric product with excellent hydrophilic, antibiotic, antistatic and adsorptive functions. The method is suitable for modifying polypropylene fibers, terylene, polyamide, acrylic fibers, polyethylene fibers, polyvinyl chloride fibers, polytetrafluoroethylene, polyphenylene sulfide and other nonwoven fibers, and the nonwoven fabric product obtained in the invention can be used in fields of clothes, home textiles, medical health care, air purification, sewage treatment and military matters. The preparation method has the advantages of simplicity, low cost, wide application range and high application values.

The invention relates to woven bamboo charcoal fabric series woollen blankets using bamboo charcoal fabric and other components as raw materials. The material comprises following components by weight percentage: face yarns : bamboo charcoal fabric : 20%; other raw materials: 80%; bottom material: 100; wherein the other raw materials of the face yarn are one or several types selected from cotton, wool, real silk, chinlon, polypropylene, acrylic fibre, dacron and fabric; the bottom material is dacron; the material compatibility of the invented bamboo charcoal fabric woollen blanket is reasonable, and the invented bamboo charcoal fabric woollen blanket is provided with good weaving performance and moderate price, and accords with market demand; strong ultraviolet resistant ability and adsorption decomposition capacity of bamboo charcoal fibrous are utilized sufficiently; bamboo charcoal fabric raschel woollen blankets, acrylic bamboo charcoal fabric woollen blankets and coral fur bamboo charcoal fabric woollen blankets made by above materials are enriched of metallic elements such as potassium, magnesium, calcium, aluminum, zirconium, manganese and other carbides, have strong far-infrared ray emitting and negative ion emitting functions; and have strong moisture-guiding, moisture absorption, drying, deodor and bacteria inhibition functions.

The invention relates to a heating fiber underwear fabric, which is characterized in that the heating fiber underwear fabric is composed of raw materials with following weight percent: heating fiber 3-25%, anti-pilling acrylic fiber 30-52%, lenzing cellulose fiber 35-40%, polyamide fiber 4-6% and lycra elastic fiber 0.5-0.15%. A processing technique of the heating fiber underwear fabric comprises: firstly, spinning the heating fiber, the anti-pilling acrylic fiber and the lenzing cellulose fiber into sirospun union yarn, then, coating the lycra elastic fiber with the polyamide fiber, weaving and forming knitted underwear fabric, dying, soaping with nonionic soft finishing agent, vertically drying, shaping, and forming finished products of the heating fiber underwear fabric. The heating fiber underwear fabric of the invention has the advantages that the heating fiber underwear fabric not only has good skin-friendly property, low pilling tendency and comfortable elasticity, but also has good warmth retention effect.

The present invention provides a specific filtration media which includes a substrate having cellulose fibers, bicomponent fibers, adhesion fibers, binder, and pressure sensitive adhesive. Also contemplated are fire retardant filtration media containing bicomponent fibers and polyester fibers or acrylic fibers, and optionally cellulose fibers. The cellulose fibers of the invention are pretreated with flame retardant, providing a beneficial material for filtration purposes.

Yarns, fabrics and garments contain modacrylic, cotton and aramid fibers.

The invention discloses a manufacture method of conductive fire-retardant acrylic fiber. The manufacture method comprises the following steps: (1) preparing a spinning solution; (2) performing spinning formation; (3) performing copper salt treatment; (4) adding acrylic fiber containing copper ions obtained in the step (3) into a mixed aqueous solution, and reacting in an airtight high-temperature reaction kettle at 120-140 DEG C for 4-5 hours to prepare the fire-retardant acrylic fiber; (5) taking out and cleaning the acrylic fiber obtained in the step (4), and putting the acrylic fiber at 70-90 DEG C for 2-3 hours in a constant-temperature manner. Through the manner and with the adoption of the manufacture method of conductive fire-retardant acrylic fiber, the acrylic fiber subjected to the antistatic treatment can prevent static electricity during application, ensures normal application of a user, has a fire-retardant function, and overcomes the flammable defect of cloth.

A yarn, fabric, and garment suitable for use in arc and flame protection comprising aramid fiber and modacrylic fiber wherein the modacrylic fiber has less than 1.5 percent antimony and is preferably antimony-free. In one embodiment, the yarn, fabric, and/or garments consist essentially of (a) 50 to 80 weight percent meta-aramid fiber having a degree of crystallinity of at least 20%, (b) 10 to 40 weight percent modacrylic fiber that is antimony-free, (c) 5 to 20 weight percent para-aramid fiber, and (d) 1 to 3 weight percent antistatic fiber, based on the total weight of components (a), (b), (c) and (d). In some embodiments, garments made from the yarns provide thermal protection such that a wearer would experience less than a 65 percent predicted body burn when exposed to a flash fire exposure of 4 seconds per ASTM F1930, while maintaining a Category 2 arc rating per ASTM F1959 and NFPA 70E.

The present invention is directed to a fiber composition useful for fire blocking; a high loft web structure made from such fiber composition and a process for making such web structure; and a fire blocked article such as a mattress or furniture incorporating such high loft web structure and a method for fireblocking said articles; the fiber composition comprising (a) 1 to 20 parts by weight p-aramid fiber, (b) 5 to 30 parts by weight regenerated cellulose fiber containing silicic acid, and (c) 10 to 40 parts by weight modacrylic fiber, (d) 10 to 60 parts by weight polyester fiber, (e) up to 20 parts by weight binder material wherein the total of (a), (b), (c), (d) and (e) is on a basis of 100 parts by weight.

A yarn, fabric, and garment suitable for use in arc and flame protection and having improved flash fire protection, consisting essentially of (a) 50 to 60 weight percent meta-aramid fiber having a degree of crystallinity of at least 20%; (b) 31 to 39 weight percent modacrylic fiber; and (c) 5 to 15 weight percent para-aramid fiber; said percentages on the basis of components (a), (b), and (c). In some embodiments, 1 to 3 weight percent of the meta-aramid fiber is replaced with an antistatic fiber comprising carbon or metal with the proviso that at least 50 weight percent meta-aramid fiber is maintained. Garments made from the yarns provide thermal protection such that a wearer would experience less than a 65 percent predicted body burn when exposed to a flash fire exposure of 4 seconds per ASTM F1930, while maintaining a Category 2 arc rating per ASTM F1959 and NFPA 70E.

The invention relates to a flame retardant blended yarn and a production method thereof. According to weight percentage, the flame retardant blended yarn is formed by the following components through blending: 25-30% of flame retardant polyester filament yarns, 20-25% of flame retardant acrylic fibers, 20-30% of hemp fibers and 20-30% of cotton fibers. The production method includes: making hemp fibers and cotton fibers into card slivers respectively and tearing the card slivers into loose fibers, and making the card slivers into hemp/cotton blended combed silvers through second blowing carding in a single fiber type mixing way; making the flame retardant acrylic fibers into flame retardant acrylic card silvers; producing blended rough yarns by use of the hemp/cotton blended combed silvers and the flame retardant acrylic card silvers; producing flame retardant blended yarns by use of spun yarns in a core spun mode; producing the needed flame retardant blended yarns after plasma preprocessing and yarn flame retardant finishing. According to the flame retardant blended yarn and the production method thereof, the hemp fibers, the cotton fibers and two flame retardant fibers are selected for blending, and accordingly the produced yarns have excellent flame retardant performance as well as good antibacterial, moisture absorptive and ventilate wearing performances; the spun yarns are in the core spun mode so the tare effect is eliminated and the flame retardance is improved.