Classifications

• • D—TEXTILES; PAPER
  • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
  • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
  • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
  • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
  • D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
  • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
  • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
  • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
  • D04H1/4282—Addition polymers
• • D—TEXTILES; PAPER
  • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
  • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
  • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
  • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
  • D02G3/04—Blended or other yarns or threads containing components made from different materials
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
  • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
  • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
  • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
  • D04H1/425—Cellulose series
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
  • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
  • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
  • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
  • D04H1/4266—Natural fibres not provided for in group D04H1/425
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
  • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
  • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
  • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
  • D04H1/4282—Addition polymers
  • D04H1/43—Acrylonitrile series
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
  • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
  • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
  • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
  • D04H1/4326—Condensation or reaction polymers
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
  • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
  • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
  • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
  • D04H1/4326—Condensation or reaction polymers
  • D04H1/4334—Polyamides
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
  • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
  • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
  • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
  • D04H1/4326—Condensation or reaction polymers
  • D04H1/4334—Polyamides
  • D04H1/4342—Aromatic polyamides
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
  • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
  • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
  • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
  • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
  • D04H1/43835—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
  • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
  • Y10T442/696—Including strand or fiber material which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc.]
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
  • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
  • Y10T442/697—Containing at least two chemically different strand or fiber materials
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
  • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
  • Y10T442/697—Containing at least two chemically different strand or fiber materials
  • Y10T442/698—Containing polymeric and natural strand or fiber materials

Definitions

• the present invention relates to a flame-retardant fiber composite and a fabric produced using the same.
• the present invention is a problem that was difficult to solve with the conventional flame-retardant fiber composite, namely, further improving the flame retardancy of bedding products, further improving workability and bulkiness, and further improving workability and texture.
• TECHNICAL FIELD The present invention relates to inexpensive and advanced flame-retardant fiber composites for furniture with good tactile feel and design, and for bedding, and to fabrics manufactured using the composites.
• heat-resistant fibers also have problems such as processability during fiber opening, poor hygroscopicity, poor touch, and poor dyeability, making it difficult to obtain highly designed color patterns.
• Kaisho 6 1–8 9 339 is a flame-retardant fiber composite that combines highly flame-retardant halogen-containing fibers with a large amount of flame retardant added and other non-flame-retardant fibers.
• Japanese Patent Application Laid-Open No. 8-218,559 discloses that by mixing a small amount of heat-resistant fiber, it is possible to mix the halogen-Sb-containing fiber and cotton, etc.
• the present invention is a problem that was difficult to solve with the conventional flame-retardant fiber composite, namely, further improving the flame retardancy of bedding products, further improving workability and bulkiness, and further improving workability and texture.
• the purpose was to obtain a low-cost, advanced flame-retardant fiber composite for furniture and bedding with good tactile feel and design.
• the inventors of the present invention have conducted intensive studies to solve the above-mentioned problems.
• the fibers made of chlorine-containing polymer and the other cellulose-based fibers were compared with heat-resistant fibers having a poor ability to prevent the combustion of other combustible fibers. It has been found that when flammable fibers containing fibers are mixed to form a fiber composite, a flame-retardant fiber composite having excellent design, texture, and tactile qualities, and having flame resistance that can withstand long-time flames can be obtained. Was.
• they have found that the problems of workability and cost, which were problems when using heat-resistant fibers alone, can be improved, and have completed the present invention.
• the present invention provides a fiber (A) containing 0.5 to 50 parts by weight of an Sb compound with respect to 100 parts by weight of a polymer containing 17% by weight or more of a halogen atom. %, Heat-resistant fiber (B) 5 to 80% by weight, cellulosic fiber (C) 0 to 40% by weight, and combustible fiber such as chemical fiber (D) 0 to 40% by weight.
• the present invention relates to a flame-retardant fiber composite compounded to be 0% by weight.
• the halo in the fiber (A) The polymer containing a gen atom contains 30 to 70% by weight of acrylonitrile, 70 to 30% by weight of a halogen-containing vinyl monomer, and 0 to 10% by weight of a vinyl monomer copolymerizable therewith.
• the present invention relates to a flame-retardant fiber composite, wherein the combustible fiber (D) such as a fiber selected from the group consisting of a series fiber and a rayon series fiber and the chemical fiber is at least one of a polyester fiber and a nylon fiber.
• the combustible fiber (D) such as a fiber selected from the group consisting of a series fiber and a rayon series fiber and the chemical fiber is at least one of a polyester fiber and a nylon fiber.
• a fiber containing 6 to 50 parts by weight of an Sb compound per 100 parts by weight of a polymer containing 17% by weight or more of a halogen atom (A) 85 to 20 parts by weight %
• the heat-resistant fiber (B) is from 15 to 80% by weight of the silicate-containing cellulosic fiber
• the combustible fiber (D) such as the chemical fiber is at least one kind of chemical fiber of 0 to 40% by weight, 100 parts by weight of a flame-retardant fiber composite or a polymer containing 17% by weight or more of a halogen atom, in which the content of each fiber is (A) ⁇ (D) or (B) ⁇ (D).
• combustible fiber (D) such as the above-mentioned chemical fiber is compounded in a proportion of 5 to 40% by weight of polyester fiber.
• fibers containing 0.5 to 5.5 parts by weight of Sb with respect to 100 parts by weight of a polymer containing 25% by weight or more of chlorine atoms as the fiber (A) are used.
• the present invention relates to a fabric and a nonwoven fabric produced using the flame-retardant fiber composite.
• the fiber (A) contains 0.5 to 50 parts by weight of a 313 compound based on a polymer containing 17% or more of a halogen atom. Fibers containing 0.5 to 5.5 parts by weight of an Sb compound with respect to a polymer containing 25% by weight or more of chlorine, which is one example of the above, are used.
• the lower limit of the preferable halogen content in the polymer containing 17% or more of the halogen is 20%, further 26%, and the upper limit is 86%, further 73%, particularly 48%. .
• the lower limit of the preferable chlorine content in the polymer containing 25% by weight or more of chlorine is 26%, and the upper limit is 73% by weight, particularly 48 to 58% by weight.
• the chlorine content is less than 25% by weight, it becomes difficult to make the fiber composite with the combustible fiber flame-retardant, which is not preferable.
• Examples of the polymer containing 17% or more of a halogen atom as described above include a polymer of a monomer containing a halogen and a copolymer of a monomer containing a halogen and a monomer containing no halogen.
• the present invention is not limited to these.
• a polymer containing 17% or more of a halogen atom include a homopolymer of a halogen-containing vinyl monomer such as vinyl chloride, vinylidene chloride, vinyl bromide, and vinylidene bromide.
• Two or more copolymers acrylonitrile-vinyl chloride, acrylonitrile-vinylidene chloride, acrylonitrile-vinyl bromide, acrylonitrile-vinyl chloride-vinylidene chloride, acrylonitrile vinyl chloride-vinyl chloride vinyl bromide, atarilonitrile-vinylidene chloride Copolymer of halogen-containing vinyl monomer such as vinyl bromide and acrylonitrile; at least one halogen-containing vinyl monomer such as vinyl chloride, vinylidene chloride, vinyl bromide, vinylidene bromide and acrylonitrile And copolymers thereof with a vinyl monomer copolymerizable therewith; Tolyl homopolymer polymer was added and polymerizing a halogen-containing compound in; the like halogen-containing polyester and the like, but is not limited thereto. Further, the above homopolymers and copolymers may be appropriately mixed and used.
• copolymerizable vinyl monomer examples include acrylic acid, esters thereof, methacrylic acid, esters thereof, acrylamide, methacrylamide, vinyl acetate, Vinyl sulfonic acid, its salt, methallyl sulfonic acid, its salt, styrene sulfonic acid, its salt, 2-acrylamide-2-methylsulfonic acid, its salt, etc., and one or more of them are used. .
• a polymer containing 17% or more of the halogen atom is 30 to 70% of acrylonitrile, 70 to 30% of a halogen-containing vinyl monomer, and a vinyl monomer 0 to 10 copolymerizable therewith. %, Preferably 40 to 60% of acrylonitrile, 60 to 40% of a halogen-containing vinyl monomer and 0 to 10% of a Piel monomer copolymerizable therewith.
• the obtained fiber is particularly preferable because it has the desired properties (strength, flame retardancy, coloring property, etc.) and the feeling of acrylic fiber.
• at least one of the copolymerizable vinyl monomers is a sulfonic acid group-containing vinyl monomer, since the dyeability is improved.
• copolymer containing a unit derived from the halogen-containing vinyl monomer and acrylonitrile include, for example, a copolymer comprising 50 parts of vinyl chloride, 49 parts of acrylonitrile, 1 part of sodium styrenesulfonate, and vinylidene chloride. 43.5 parts, copolymer of 5.5 parts of acrylonitrile, 1.5 parts of sodium styrenesulfonate, 41 parts of vinylidene chloride, 56 parts of acrylonitrile, 2 parts of 3-acrylamide-2-sodium methylsulfonate can give.
• the Sb compound used in the present invention is used as a flame retardant, and specific examples thereof include antimony oxide (Sb2 ⁇ 3, Sb204, Sb2 ⁇ 5, etc.), antimonic acid and salts thereof, Inorganic antimony compounds such as antimony oxychloride, but are not limited thereto. These may be used alone or in combination of two or more.
• the particle diameter of the Sb compound is set to 2 ⁇ m or less, but it is possible to avoid troubles such as nozzle clogging in a fiber production process in which the Sb compound is added to a halogen-containing polymer. This is preferred from the viewpoint of improving the strength of the steel.
• the ratio of the Sb compound to 100 parts by weight of the polymer containing 17% or more of halogen atoms is 6 to 50 parts by weight, preferably 8 to 40 parts by weight, more preferably 10 to 30 parts by weight. is there. If the amount is less than 6 parts by weight, in order to obtain the required flame retardancy as a flame-retardant fiber composite, a fiber in which a polymer containing 17% or more of halogen atoms contains an Sb compound is used. It is necessary to increase the mixing ratio of (A) (hereinafter referred to as fiber (A)) in the flame-retardant fiber composite.
• the Sb compound may be used in combination with another flame retardant as long as the amount of the Sb compound with respect to the polymer containing 17% or more of a halogen atom is maintained at 6 to 50 parts by weight.
• Other flame retardants that can be used in combination include, for example, aromatic halogen compounds such as hexabromobenzene, aliphatic halogen compounds such as paraffin chloride, and halogen-containing compounds such as tris (2,3-dichloromethyl propyl) phosphate.
• Phosphorus compounds inorganic phosphorus compounds such as ammonium polyphosphate, inorganic magnesium compounds such as Mg0, Mg (OH) 2, MgC03, stannic oxide, stannic oxyhalide, stannous hydroxide, ZnSn03, ZnSn ( OH) 6 and the like.
• the amount of the other flame retardant to be used is preferably 1 part by weight or more and 10 parts by weight or less based on 100 parts by weight of the polymer containing 17% or more of halogen.
• the total amount of the flame retardant is 50 parts by weight or less, more preferably 40 parts by weight or less based on the polymer containing 17% or more of halogen, because of problems in the fiber manufacturing process and reduced fiber strength. It is preferable from the viewpoint of avoiding physical property deterioration.
• the Sb compound used in the polymer containing 25% by weight or more of chlorine in the fiber (A) is not particularly limited, but the antimony oxide (Sb2 ⁇ 3, Sb204, Sb2 ⁇ 5, etc.), antimony acid and its salts, inorganic antimony compounds such as antimony oxychloride, inorganic magnesium compounds such as MgO, Mg (OH) 2, MgC03, stannic oxide, oxyhalogenation Inorganic tin compounds such as stannic tin and stannous hydroxide are preferred for improving flame retardancy, but those having a particle diameter of 2 m or less are used alone or in combination of two or more.
• the fiber (A) containing 0.5 to 50 parts by weight of the 313 compound with respect to the polymer containing 17% or more of the halogen may be either a short fiber or a long fiber.
• B), cellulosic fiber (C), combustible fiber (D) such as chemical fiber, etc., is preferably a fiber that is similar to the fiber to be compounded when processed by compounding.
• Heat-resistant fiber used for textile products Short fibers having a length of 1.7 to 3.3 dtex and a cut length of about 38 to 64 mm are preferable in accordance with natural fibers and chemical fibers. However, in order to obtain a bulky and stiff flame-retardant fiber composite in applications such as nonwoven fabrics, short fibers having a length of about 7.8 dtex to 12 dte and a cut length of 51 to L02 mm are preferred.
• the heat-resistant fiber (B) (hereinafter referred to as fiber (B)) used in the present invention is a skeleton that maintains the shape of the flame-retardant fiber composite when the combustible component in the flame-retardant fiber composite burns. It is a heat-resistant fiber with a melting point of 350 ° C or higher if it has a melting point, and a decomposition temperature of 300 ° C or more if it has no melting point.
• Examples of the fiber (B) include the above-mentioned fibers from aromatic polyamide, melamine, polyamideimide, polybenzoimidazole, and the like, silicic acid-containing fibers, phenolic fibers, carbon fibers, and the like. These fibers (B) may be used alone or in combination of two or more.
• aromatic polyamide fibers include, for example, para-based aromatic polyamide fibers having a decomposition start temperature of 450 ° C. or higher (for example, Kevlar (KeV1ar) manufactured by DuPont), Teijin ( Technora (Teclon ora) manufactured by Tizin Twaron Co., Ltd .; Twaron (Twaron) manufactured by Tijin Twaron Co., Ltd .; meta-aromatic polyamide fibers with a decomposition temperature of about 550 ° C (for example, DuPont Examples include Nomex, Conex manufactured by Teijin Limited, and Apieil (Apy ei 1) manufactured by Unitika Ltd.
• Kevlar (KeV1ar) manufactured by DuPont Teijin ( Technora (Teclon ora) manufactured by Tizin Twaron Co., Ltd .
• the melamine fiber include: Melamine fibers having a temperature of about 370 ° C. (for example, Basofil 1 (Basofil Fibers), etc.), etc.
• specific examples of the polyamide-imide fibers include decomposition Examples thereof include polyamideimide fibers having an initial temperature of about 380 (for example, carmel (Kerme 1) manufactured by Rhone e Poulenc), etc.
• specific examples of the polybenzoimidazole fiber The decomposition start temperature is about Polybenzoimidazole fibers at 450 (eg, PBI from Celanese).
• Specific examples of the phenolic fiber include a nopoloid fiber having a decomposition start temperature of about 370 ° C.
• the silicic acid-containing cellulosic fiber used in the present invention is a component used for the flame retardant fiber composite to improve the flame retardancy and maintain the strength of the fabric. It is a component that is effective in forming a carbonized film during combustion.It is a cell orifice containing 20 to 50% silicic acid in the fiber, and is usually about 1.7 to 8 dte X. It has a fineness and a cut length of about 38 to 128 mm.
• the cellulosic fiber (C) (hereinafter, referred to as fiber (C)) used in the present invention is a component for giving the flame-retardant fiber composite of the present invention comfort such as excellent feeling and hygroscopicity. . Further, it is a component that, when burned together with the halogen atom-containing polymer (A), is carbonized to form a carbonized material that is hardly decomposed even at a high temperature in the flame-retardant fiber composite.
• fibers such as cotton, hemp, acetate fibers and rayon. These fibers (C) may be used alone or in combination of two or more.
• the combustible fiber (D) such as the chemical fiber (hereinafter referred to as fiber (D))
• fiber (D) include semi-synthetic fiber such as promix, and synthetic fiber such as polyester fiber, nylon fiber, and acrylic fiber.
• These fibers (D) may be used alone or in combination of two or more.
• fibers that melt such as polyester fibers and nylon fibers, are preferred.
• Polyester fiber and nylon fiber generate a melt when burned, and when the flame retardant fiber composite is covered, the carbonized film formed by the flame retardant fiber composite becomes stronger and exposed to intense flame for a long time. This is also preferable because it can provide fire resistance to prevent flames on cotton and urethane foam used for bedding and furniture.
• polyester fiber has a softening point and melting point. It is more preferable because it has a high melting point and improves the heat resistance of the flame-retardant fiber composite.
• polyester fibers are inexpensive and have a strong waist. The strong waist makes it easy to produce bulk when processed into a nonwoven fabric, and the design is quilted. Because it is excellent, it is also preferable in that it can impart a beautiful finish, bulkiness, texture, and the like when processed into a bet mat or a bet pad, for example.
• the flame-retardant fiber composite of the present invention in the case of the two- or three-component system according to claim 8, 85 to 20 parts of the fiber (A) and 15 to 80% by weight of the silicate-containing cellulosic fiber which is the fiber (B), 100% by weight of the flame-retardant fiber composite of the present invention is produced from 0 to 40% by weight, and the mixing ratio thereof depends on the final product produced from the obtained flame-retardant fiber composite. It is determined according to the required flame retardancy as well as the quality of water absorption, feeling, moisture absorption, touch, design, product strength, washing resistance, durability and other properties.
• fiber (A) 85 to 20% by weight, preferably 75 to 25% by weight, silicate-containing cellulose fiber 15 to 80% by weight, preferably 20 to 70% by weight, fiber (D ) It is compounded so that the total of 0 to 40% by weight, preferably 5 to 35% by weight is 100% by weight.
• the amount of the fiber (A) is less than 20% by weight, the flame retardancy of the obtained flame retardant fiber composite is insufficient. On the other hand, when the amount is more than 80% by weight, the flame retardancy is excellent.
• the proportion of silicic acid-containing cellulose fibers which is B) is reduced, and the fire resistance of cotton and urethane foam used for bedding and furniture when exposed to intense flame for a long time is not sufficient.
• the amount of the silicate-containing cellulose fiber (B) is less than 15% by weight, fireproofing prevents cotton and urethane foam used for bedding and furniture from being exposed to a strong flame for a long time. If the performance is insufficient, on the other hand, if it exceeds 80% by weight, the proportion of the fiber (A) decreases, and sufficient flame retardancy cannot be obtained.
• the reason why the flame-retardant fiber composite of the present invention exhibits excellent flame retardancy is that the octogenated Sb compound generated from the fiber (A) during combustion suppresses the combustion and the silicate-containing cellulose which is the fiber (B).
• the effect of the carbonized film formation of the composite due to the fibers is synergistic, and the fibers (D) are melted during combustion and cover the flame-retardant fiber composite to form the carbon formed by the flame-retardant fiber composite.
• the more robust the film the better the anti-flame properties provided by the fire resistance that prevents flames on cotton and urethane foam used in bedding and furniture, even when exposed to intense flame for a long time. It is thought that it shows sex.
• Fibers containing silicic acid-containing cell fibers which are fibers (B), are essentially non-flammable fibers. However, only fibers (B) and fibers (D) are used because of their poor ability to make other flammable fibers nonflammable. The fiber (D) does not become flame-retardant even if it is compounded. By combining fibers as in the present invention, a remarkable effect can be obtained for the first time.
• fiber (A) is 80 to 20% by weight
• fiber (B) is 5 to 40% by weight
• fiber (C) is 5 to 40% by weight
• 100 to 100% by weight of the flame-retardant fiber composite of the present invention is produced from 5 to 40% by weight of the polyester fiber which is the fiber (D). It is determined according to the flame retardancy required of the final product manufactured from the product, as well as the quality of water absorption, feeling, moisture absorption, touch, design, product strength, washing resistance, durability and other properties.
• the amount of the fiber (A) is less than 20% by weight, the flame retardancy of the obtained flame retardant fiber composite is insufficient. On the other hand, when the amount is more than 80% by weight, the flame retardancy is excellent.
• the amount of the polyester fiber (D) is less than 5% by weight, workability, bulkiness, feeling, feel, etc. are insufficient.
• the amount exceeds 40% by weight the fiber (A)
• the amounts of the fibers (B) and the fibers (C) are reduced, and sufficient flame retardancy cannot be obtained.
• the amount of the fiber (B) is less than 5% by weight, the fire resistance is insufficient because it does not prevent flames from being applied to cotton or urethane foam used for bedding and furniture when exposed to intense flame for a long time.
• the reason why the flame-retardant fiber composite of the present invention exhibits excellent flame retardancy is that the combustion-suppressing effect of the octogenated Sb compound generated from the fiber (A) during combustion and the carbonized film of the composite by the fiber (B) Forming effect, carbonized film forming effect by carbonization when fiber (C) is burned together with fiber (A) synergistically, and polyester fiber as fiber (D) melts during combustion and covers flame-retardant fiber composite As the carbonized film formed by the flame-retardant fiber composite becomes stronger, the fire resistance that prevents flame on cotton and urethane foam used for bedding and furniture even when exposed to intense flame for a long time It is considered that it gives superior flame retardancy than expected.
• Fiber (B) is inherently a non-flammable fiber, but because of its poor ability to make other flammable fibers nonflammable, only fiber (B) and fiber (D), and fiber (B) and fiber Fiber (B) and fiber (D) are not flame retarded even if only (C) is combined.
• fibers as in the present invention, a remarkable effect can be obtained for the first time.
• the Sb compound is contained in an amount of 0.5 to 5.5 parts by weight based on the polymer containing 25% by weight or more of chlorine as the fiber (A).
• Fiber (A) 30 to 80% by weight, Fiber (B) 10 to 50% by weight, Fiber (C) 5 to 40% by weight, and Fiber (D) 0 to 30% by weight total 100% %,
• the content of each fiber in the flame-retardant fiber composite is (A) ⁇ (C) and (A) + (C) is 50 to 90% by weight and (B) + (C) is 30 to 60% by weight.
• the mixing ratio thereof is determined by the flame retardancy required for the final product produced from the obtained flame-retardant fiber composite. It is determined according to the quality such as design, water absorption, feeling, moisture absorption, touch, product strength, washing resistance and durability.
• a polymer containing 25% by weight or more of chlorine as fiber (A) is 30 to 80% by weight, preferably 35 to 55% by weight, fiber (B) 10 to 50% by weight, preferably 15 to 45% by weight, (C) 5 to 40% by weight, preferably 10 to 35% by weight, and fiber (D) 0 to 30% by weight, preferably 0 to 25% by weight, more preferably 0 to 15% by weight, the total being 100% by weight. %, And the content of each fiber in the flame-retardant fiber composite is (A) ⁇ (C) and (A) + (C) is 50 to 90% by weight and (B) + (C) is 30 to 30% by weight. It is compounded to be 60% by weight.
• the fiber (C) The ability to prevent the burning of the fiber (D) is not sufficient, and the flame retardant fiber composite obtained is insufficient in flame retardancy. On the other hand, if it exceeds 80% by weight, the flame retardancy of the flame retardant fiber composite itself is reduced. Excellent, but lacks skeleton components that maintain the shape of the flame-retardant fiber composite during combustion, resulting in the ability to prevent inflammable materials such as urethane foam used in chairs and mattresses. Is not enough. In addition, the feeling and hygroscopicity are not sufficient.
• fiber (C) or fiber (D) To prevent fiber (C) or fiber (D) from burning, 0.5 to 5.5 parts by weight of Sb compound is contained in the polymer containing 25% by weight or more of chlorine as fiber (A). Preferably, the amount of the laid fibers is between 40 and 80% by weight.
• the amount of the fiber (B) is less than 10% by weight, the flame retardant effect that can withstand a long-time flame cannot be obtained sufficiently. Only a flame-retardant fiber composite having poor design properties can be obtained.
• the amount of the fiber (C) is less than 5% by weight, the texture and the hygroscopicity will be insufficient, and the components which form the carbonized material will be insufficient, so that the flame retardant can withstand a long-time flame. If the effect is not sufficiently obtained, on the other hand, if it exceeds 40% by weight, the flammable component in the flame-retardant fiber composite increases and the flame retardancy becomes insufficient.
• the total amount of fiber (B) and fiber (B) containing 0.5 to 5.5 parts by weight of the 313 compound was 55% based on the polymer containing 25% by weight or more of chlorine as the fiber (A).
• the amount of the fiber (C) is preferably 30 to 40% by weight in order to cause the flame-retardant fiber composite to form a sufficient amount of carbonized material upon combustion.
• the amount of the fiber (D) exceeds 30% by weight, the amount of the The amount of the fuel component increases and the flame retardancy becomes insufficient.
• the amount of the fiber containing 0.5 to 5.5 parts by weight of the Sb compound with respect to the polymer containing 25% by weight or more of chlorine as the fiber (A) in the flame-retardant fiber composite is the same as the fiber. If the amount is less than the amount of (C), the formation of carbides is not sufficient, and the flame retardant effect capable of withstanding a long-time flame is not sufficient.
• the amount of the fiber containing 0.5 to 5.5 parts by weight of the SB compound relative to the polymer containing 25% by weight or more of chlorine as the fiber (A) in the flame-retardant fiber composite and the fiber ( If the total amount of C) is less than 50% by weight, the components that form carbides are insufficient, so that the flame-retardant effect that can withstand a long-time flame cannot be sufficiently obtained, and the texture becomes insufficient. If the content exceeds 90% by weight, the amount of the fiber (B) is insufficient, and a sufficient flame retarding effect cannot be obtained.
• the total amount of the fiber (B) and the fiber (C) is less than 30% by weight, the components that maintain the structure in the flame-retardant fiber composite during combustion are reduced, and the flame-retardant effect is enhanced.
• the amount exceeds 60% by weight, the fiber containing 0.5 to 5.5 parts by weight of the 313 compound with respect to the polymer containing 25% by weight or more of chlorine as the fiber (A).
• the ratio of the amount of the fiber becomes smaller than the sum of the amount of the fiber (B) and the amount of the fiber (C), and the formation of a structure that can withstand a long-time flame becomes insufficient, so that the flame-retardant effect becomes insufficient.
• the reason why the flame-retardant fiber composite of the present invention exhibits excellent flame retardancy is that when the flame-retardant fiber composite is heated during combustion and reaches a temperature condition that causes combustion, the fiber (A) is chlorine. Containing 313 compounds in an amount of 0.5 to 5.5 parts by weight, based on a polymer containing 25% by weight or more, releases active chlorine radicals and hydrogen chloride, leading to the combustion chain reaction of the flame-retardant fiber composite A composite of fiber (C) and fiber (B), which traps active radicals and suppresses combustion by cutting the combustion chain reaction, thereby promoting dehydration carbonization and forming carbonized materials that are difficult to decompose even at high temperatures It is considered that the effect of improving the heat resistance of the steel is synergistic and the flame retardancy is more excellent than expected.
• fiber (B) is a fiber that is difficult to burn, but because of the poor ability to make other fiber (C) flame-retardant, fiber (B) and fiber (C) are combined with fiber (B). C) is not made flame-retardant, and a remarkable effect can be obtained only by combining fibers as in the present invention. Furthermore, by using at least one kind of meltable fiber such as polyester fiber and nylon fiber for the fiber (D), the melt generated in the combustion process infiltrates into the flame-retardant fiber composite, and the gap between the fibers It is considered that the structure is strengthened and the flame retardancy of the flame retardant fiber composite is improved.
• meltable fiber such as polyester fiber and nylon fiber
• antimony oxide in a fiber containing 0.5 to 5.5 parts by weight of an Sb compound with respect to a polymer containing 25% by weight or more of chlorine as the fiber (A), it is possible to obtain a high temperature It is considered that the chlorine compound reacts with antimony oxide to form volatile antimony chloride, which is heavier than air and stays in the reaction system for a long time to function as an effective active radical scavenger.
• the flame-retardant fiber composite of the present invention is a composite of the fibers (A), (B), (C) and (D) as described above, and is used for fabrics such as woven fabrics, knitted fabrics and non-woven fabrics, slivers and webs, and the like. It is in the form of aggregates of fibers, yarns such as spun yarns, composite yarns and twisted yarns, and string-like materials such as braided and braided strings.
• composite means that the fibers (A), (B), (C), and (D) are mixed by various methods to obtain a cloth or the like containing the fibers in a predetermined ratio, such as cotton mixing, spinning, and twisting. It means combining fibers and yarns at the weaving and knitting stages.
• the flame-retardant fiber composite of the present invention may contain an antistatic agent, a thermal coloring inhibitor, a light resistance improving agent, a whiteness improving agent, a devitrification preventing agent, and the like, if necessary.
• the flame-retardant fiber composite of the present invention obtained as described above has desired flame retardancy, and has excellent properties such as feeling, touch, moisture absorption, and design.
• the flame-retardant fiber composite of the present invention when the above-mentioned fibers (A), (B), (C) and (D) are short fibers, they are mixed and spun. Yarns and slivers may be manufactured and twisted, two kinds of spun yarns may be sprinkled on one kind of sliver, or one kind of spun yarn may be sprinkled on a mixed sliver of two kinds. Moreover, you may manufacture by combining these methods.
• the long fibers are twisted together, or two long fibers are sprinkled on one long fiber. It may be produced by sprinkling two types of twisted long fibers and one type of long fiber, or by sprinkling one type of long fiber with two types of twisted long fibers. May be combined. Furthermore, if some of the aforementioned fibers (A), (B), (C), and (D) are short fibers and the rest are long fibers, the short fibers are mixed and spun into a spun yarn. It may be manufactured by twisting with a long fiber.
• the flame-retardant fiber composite of the present invention has excellent properties, that is, excellent flame retardancy, feeling, touch, moisture absorption, and design. Thus, a fabric having excellent properties such as the above is obtained.
• the fabric is a concept including a woven fabric, a knitted fabric, a nonwoven fabric, a string, and the like, and includes not only clothing such as flame-retardant work clothes, but also interior products such as curtains and cars, sheets, blankets, bed mats, and the like. Suitable for applications that require a high level of flame retardancy, such as bedding such as bed pads, and that must have excellent general fiber properties such as texture, moisture absorption, touch, and design. It is. No special method is required for the production of these fabrics, and a conventional production method generally used can be used as it is. BEST MODE FOR CARRYING OUT THE INVENTION
• the present invention will be described in more detail by way of examples, but the present invention is not limited to only these examples.
• the flame retardancy of the fibers in the examples was measured using a nonwoven fabric as follows.
• a nonwoven fabric having a basis weight of 200 gZm2 and a length of 30 cm x 45 cm in width was prepared by a needle punch method using fibers mixed at a predetermined ratio.
• a nonwoven fabric with a basis weight of 200 g / m2 and a length of 30 cm x a width of 45 cm was prepared by the needle punch method for the polyester nonwoven fabric for the cover.
• a simple mattress was prepared and used as a sample for a combustion test.
• a three-layer structure was prepared by laminating the above-mentioned (1) sample non-woven fabric on the above-mentioned (2) polyester non-woven fabric for a cover, and further laying a polyester woven fabric (basis weight 120 g / m2) as a surface fabric on it. It is quilted using yarn, and is 30 cm long x 45 cm wide x 7.5 cm thick, and has a density of 22 kgZm3. It was fixed on a urethane foam (Toyo Tire & Rubber Co., Ltd. type 360 S) using a stable.
• a urethane foam Toyo Tire & Rubber Co., Ltd. type 360 S
• the shape of the burner head is T-shaped.
• the burner head is made of stainless steel with an outer diameter of 1.27 cm and a wall thickness of 0.0899 cm.
• the sample for the combustion test is set on the upper surface with the three-layer structure side, and the burner head is parallel to the long axis direction of the sample when viewed from the sample upper surface, at the center of the sample, and the surface of the hole from which the flame comes out is the sample.
• the combustion gas used was propane (purity 9.9% or more), the gas pressure was 0.1 IMPa, the gas flow rate was 12.9 L Zmin, and the flame duration was 70 seconds. At this time, evaluation was made on whether or not the urethane foam ignited, the state of the sample nonwoven fabric, and the burning of the surface cloth.
• the case where there is no ignition to the urethane foam is ⁇
• the case where there is an ignition is X
• the state of the carbonized film of the sample nonwoven fabric is as follows. Or, if there is no crack, ⁇ if there is a hole or crack, and X if there is a hole or crack, and if the self-extinguishing of the surface cloth quickly self-extinguished within 30 seconds after the burn by the burner was finished, The evaluation was performed with X when X was continued. As the evaluation of the flame retardancy, the case of all three of the above three items was evaluated as ⁇ ⁇ , and when there was at least one item of X, it was evaluated as X.
• the voluminousness of the non-woven fabric for bedding is suitable (for example, non-woven fabric using polyester fiber). What level is it? Inferior ones were evaluated as X (for example, non-woven fabric using rayon fiber). (Method of evaluating characteristics of cellulose fiber)
• a sensory evaluation test was performed to determine whether the flame retardant fiber composite had the characteristics (visual and tactile sensations) of cellulosic fibers. ⁇ indicates that it has the characteristics (visual and tactile sensations) of cellulosic fibers, and X does not.
• the evaluation method is to perform a sensory evaluation from the visual point of view, and if the gloss and color development are required for the upholstery surface fabric application, a level that is suitable for use ⁇ Was evaluated as X.
• the evaluation method was as follows: a suitable level or usable for the upholstered furniture surface cloth application (for example, non-woven fabric when using polyester fiber), and a poorer one for X (for example, when using melamine fiber). (Nonwoven fabric).
• the sensory evaluation was performed on the glossiness of the sample nonwoven fabric and the color development after dyeing.
• the evaluation method was a sensory evaluation from a visual point of view.
• a grade suitable for use in upholstered furniture for the surface fabric use was rated as “ ⁇ ”, and an unsuitable one was rated as “X”.
• the dyeing method is a cationic dye (Ma Xi 1 on Yellow 2 RL 0.55% omf, Maxi Ion Red GRL 0.25% omf Max i Ion B 1 ue GRL 0.30% omf: Also made by Ciba-Geigy) and acetic acid and sodium acetate and anionic dispersion 2% omf (L eveno 1 WX: manufactured by Kao Corporation) and 0.4% omf (sodium laurylsulfate), and boil at normal pressure for 1 hour at a bath ratio of 1: 2.5. After draining with a centrifugal dewatering machine, the resultant was dried at room temperature to obtain a nonwoven fabric having a dark brown hue.
• a copolymer consisting of 51% by weight of acrylonitrile, 48% by weight of vinylidene chloride and 1% by weight of sodium p-styrenesulfonate was dissolved in dimethylformamide so that the resin concentration became 30% by weight. 15 parts of antimony trioxide was added to 100 parts of resin weight of the obtained resin solution to prepare a spinning dope.
• the antimony trioxide had a particle diameter adjusted to 2 zm or less, and was used in advance adjusted so as to be uniformly dispersed in the diluted resin solution.
• a spinning solution containing antimony trioxide is extruded into a 50% by weight aqueous solution of dimethylformamide using a nozzle having a nozzle hole diameter of 0.08 mm and a hole number of 300, washed with water, dried at 120 ° C, and tripled. After drawing, the fiber (A) was obtained by further performing a heat treatment at 145 ° C for 5 minutes.
• the chlorine content of the obtained fiber was 35.1% by weight based on the weight of the chlorine-containing copolymer.
• the obtained fiber was a short fiber having a fineness of 2.2 dtex, a strength of 2.5 cN / dtex, an elongation of 40%, and a cut length of 5 lmm.
• a copolymer consisting of 56% by weight of acrylonitrile, 41% by weight of vinylidene chloride and 3% by weight of 2-acrylamide 2-sodium methylpropanesulfonate was dissolved in dimethylformamide so that the resin concentration became 20% by weight.
• Antimony trioxide was added to the resin weight of the obtained resin solution to obtain a spinning stock solution. Table 1 shows the amount of antimony trioxide added.
• the antimony trioxide had a particle diameter adjusted to 2 m or less, and was used in advance adjusted so as to be uniformly dispersed in the diluted resin solution.
• a spinning solution containing antimony trioxide is extruded into a 50% by weight aqueous solution of dimethylformamide using a nozzle having a nozzle hole diameter of 0.08 mm and a hole number of 300, washed with water, dried at 120 ° C, and tripled.
• the fiber (A) was obtained by further performing a heat treatment at 145 for 5 minutes.
• the chlorine content of the obtained fiber was 30.0% by weight based on the weight of the chlorine-containing copolymer.
• the fibers obtained were short fibers with a fineness of 2.2 dtex, a strength of 2.9 cN / dtex, an elongation of 38% and a cut length of 5 lmm.
• the melamine fiber Basofil Basofil, having a distribution of about 1 to 3.5 dtex, having a distribution of a cut length of 20 to 200 mm
• Basofil Fibers manufactured by Basofi 1 Fibers
• silicon-containing cellulosic fiber Vigil Visi 1, 1.7 dtex, cut length 40 mm, satellite (S ATER I)
• para-based Technora an aromatic polyamide fiber (Technora, 1.7 dtex, cut length 38 mm, manufactured by Teijin Limited), rayon (1.5 dtex, cut length 38 mm) as cellulosic fiber (C)
• Polyester fiber 6.6 dtex, cut length 5 lmm
• Table 2 shows the evaluation results.
• Comparative Example 11 the ratio of fiber (A) and fiber (B) was high, and the carbonized film-forming ability was good, and the result of the combustion test was good. However, since no fiber (D) was contained, the bulkiness was insufficient. there were. In Comparative Examples 4, 5, and 6, the proportion of the fiber (A) was small, the ability to extinguish the flame that ignited the sample was weak, and the ability to extinguish the burning of the surface fabric was insufficient. ratio In Comparative Examples 5 and 7, the proportion of fiber (D) was large, and the flame ignited the polyester fiber spread and was inferior in flame retardancy. Regarding the bulkiness of the sample nonwoven fabric, the volume (D) was increased in both the examples and comparative examples due to the inclusion of the fiber (D). The characteristics (feel, etc.) of the cellulosic fibers are as follows: Comparative Examples 1 to 3, 4, 5, and 6 do not have the texture as cellulosic fibers because they do not contain fiber (C). Is ⁇
• the fibers (A) and D fibers (B) obtained in Production Example 1 were used as cellulose fibers containing silicic acid, visil (Visi 1, 1.7 d-t ex, cut length 40 mm, satellite (S at fuel XXXXX Less).
• the combustion results of the flame-retardant fiber composites of Examples 8 to 12 are good, but the composites of Comparative Examples 13, 14 and 17 have a small proportion of the silicate-containing cellulosic fiber as the fiber (B), so that the carbonized film Insufficient forming capacity and urethane foam burned by direct exposure to burner flame.
• the proportion of fiber (A) was low. And the ability to extinguish the flame ignited on the sample is weak, and the ability to extinguish the burning of the surface fabric is insufficient.
• the proportion of the fiber (D) was larger than that of the other fibers, and the flame ignited on the polyester fiber spread and was inferior in flame retardancy.
• the evaluation results of the sample nonwoven fabric whiteness were good because the yellowness of the sample nonwoven fabric could not be felt in both the examples and the comparative examples.
• the results of the evaluation of the texture were good for the examples, but the comparative examples 13, 14 and 17 lacked the polyester fiber and had poor texture.
• the fiber (A) obtained in Production Example 2 and the melamine fiber Pasofil (Basofi 1, having a distribution of about 1 to 3.5 dtex, and a distribution of a cut length of 20 to 200 mm as the fiber (B)) were obtained.
• Vasophil Fibers (Basofi 1 Fibers) silicon-containing cellulosic fiber Visil (Visi 1, 1.7 dtex, cut length 40 mm, S ATER I), para-aromatic Technora (Technola, 1.7 dtex, cut length 38 mm, manufactured by Teijin Limited), which is a polyamide fiber, rayon (1.7 dtex, cut length 38 mm) as cellulosic fiber (C), fiber As (D), polyester fiber (6.6 dtex, cut length 5 lmm) was mixed at the ratio shown in Table 4 to prepare a sample nonwoven fabric, and a flammability test was performed. Table 5 shows the evaluation results.
• Comparative Examples 2 1, 2 2, 2 3, 2 3, 2 5, 2 6, 2 7, 2 9, and 3 1 have insufficient components to form a carbonized film, or have a property in the flame-retardant fiber composite during combustion. Insufficient components to maintain the structure of the nonwoven fabric, or both, caused holes and cracks in the sample nonwoven fabric during the combustion test, and the urethane foam burned due to direct exposure to the burner flame . Comparative Examples 24, 28, and 30 contain a large amount of fiber (B), so that the components that maintain the structure in the flame-retardant fiber composite during combustion are sufficient, and no holes or cracks are generated.
• B fiber
• the proportion of fiber (A) is small, the ability to extinguish the flame ignited on the sample is weak, and the ability to extinguish the burning of the surface fabric is insufficient.
• the combustion test results were good and the texture was at a level that could be used as a surface material for upholstered furniture, but the fiber (A) contained a large amount of antimony trioxide. Because of its poor luster, It was insufficient for use.
• Industrial Applicability When fabrics are manufactured using the flame-retardant fiber composite of the present invention, the flame-retardant fiber composite of the present invention has excellent properties, that is, excellent flame retardancy, In this case, a fabric having excellent properties such as tactile sensation and hygroscopicity can be obtained.
• the fabric is a concept including a woven fabric, a knitted fabric, a nonwoven fabric, a string, and the like.
• High-flammability such as blankets, barrier materials inserted between non-flame-retardant fabrics and urethane foam, clothing such as flame-retardant work clothes, interior products such as curtains and Riki-Pets, etc. It is suitably used for applications that require excellent general fiber properties such as properties, feeling, hygroscopicity, and feel.

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