Classifications

• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
  • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
  • D01F6/28—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • D01F6/40—Modacrylic fibres, i.e. containing 35 to 85% acrylonitrile
• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
  • D01F1/00—General methods for the manufacture of artificial filaments or the like
  • D01F1/02—Addition of substances to the spinning solution or to the melt
  • D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
• • 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
  • D03—WEAVING
  • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
  • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
  • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
  • D03D15/513—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
• • 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.]
  • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
  • Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
  • Y10T442/3293—Warp and weft are identical and contain at least two chemically different strand materials

Definitions

• the present invention relates to a flame-retardant interwoven fabric. More particularly, the present invention relates to a highly woven mixed woven fabric comprising a composite yarn mainly composed of halogen-containing flame-retardant fibers containing an antimony compound and a cellulosic fiber.
• a cross-woven fabric using general-purpose cellulosic fibers as warp and halogen-containing flame-retardant fibers added with an antimony compound as wefts has a natural texture, moisture absorption, heat resistance and other characteristics of cellulosic fibers. Therefore, it is often used for interior products such as curtains and upholstery.
• woven fabrics such as jacquard, dobby, and satin, which use cellulose-based fibers as warp and halogen-containing flame-retardant fibers containing an antimony compound for wefts, cellulose-based fibers often appear on the front side of the fabric. Characteristic.
• the cost of the zinc stannate compound is higher than that of the antimony compound compared to the case where the antimony compound alone is added to the halo-containing fiber, so the cost is higher than that of the conventional fiber and the cost of the interwoven fabric is also higher. There is a problem.
• the present invention has a high level of flame retardancy even in the case of a cross-woven fabric comprising a halogen-containing flame-retardant fiber to which an antimony compound is added and a cellulosic fiber,
• the present inventors have repeatedly studied a cross-woven fabric composed of modacrylic flame-retardant fibers and cellulose-based fibers as halogen-containing flame-retardant fibers. As a result, if a composite yarn composed mainly of modacrylic fiber containing an antimony compound and composited with other fibers shows a specific thermal behavior, it is warped or wefted. It has been found that when used as a yarn, high flame retardancy can be exhibited even in mixed woven fabrics such as jacquard, dobby, and satin.
• the present invention provides a simple composition containing 30 to 70% by weight of acrylonitrile (hereinafter referred to as%), 30 to 70% of a halogen-containing vinyl monomer and 0 to 10% of a vinyl monomer copolymerizable therewith.
• Flame-retardant fiber (a-1) containing 25 to 50 parts of an antimony compound in 100 parts by weight of an acryl-based copolymer obtained by polymerizing a monomer mixture (hereinafter referred to as “parts”).
• Composite yarn (A) obtained by compounding the fiber (a-2) and having an elongation of less than 5% in a temperature range of 100 ° C to 500 ° C under a load of 30 OmgZ metric 17th
• the present invention relates to a flame-retardant interwoven fabric, which is obtained by interwoven using 30 to 70% by weight of a cellulose fiber yarn (B) and 70 to 30% by weight.
• Flame-retardant interwoven fabrics in which the cellulosic fiber yarn (B) is at least one selected from the group consisting of cotton, hemp, rayon, polynosic, cuvula, acetate and triacetate are preferred.
• the present invention relates to an acrylic resin obtained by polymerizing a monomer mixture containing 30 to 70% of acrylonitrile, 30 to 70% of a halogen-containing Bier monomer, and 0 to 10% of a vinyl monomer copolymerizable therewith.
• the present invention relates to a flame-retardant interwoven fabric composed of 70 to 30% by weight of yarn (B).
• the halogen-containing flame-retardant fiber (a-1) is a cross-woven fabric of the present invention. It is a fiber used for imparting flame retardancy to fibers.
• Halogen-containing flame-retardant fiber (a-1) is composed of 30 to 70% of acrylonitrile, 30 to 70% of halogen-containing vinyl monomer and vinyl copolymerizable with these acrylonitrile and halogen-containing vinyl monomer.
• Acrylic copolymer obtained by polymerizing a monomer mixture containing 0 to 10% of a monomer monomer (hereinafter, referred to as a copolymerizable vinyl monomer) from a composition containing an antimony compound Become.
• the ratio of acrylonitrile is 30% or more, preferably 40% or more (lower limit), or 70% or less, preferably 6% or less, in the monomer mixture used for obtaining the acrylyl copolymer. 0% or less (upper limit).
• the proportion of the halogen-containing vinyl monomer in the monomer mixture is at least 30%, preferably at least 40% (lower limit), and at most 70%, preferably at most 60% (upper limit). value) .
• the ratio of the copolymerizable biel monomer is preferably 1% or more (lower limit) in the monomer mixture, and is 10% or less, preferably 5% or less.
• the ratio of acrylonitrile, the halogen-containing vinyl monomer and the copolymerizable Bier monomer is adjusted so as to be 100% in total. If the ratio is less than the lower limit or the ratio of the halogen-containing Bier monomer exceeds the upper limit, the heat resistance is not sufficient, and the ratio of the acrylonitrile unit exceeds the upper limit or the halogen-containing vinyl monomer. When the proportion of the monomer is less than the lower limit, flame retardancy becomes insufficient. In addition, when the proportion of the copolymerizable vinyl monomer in the monomer mixture exceeds the above upper limit, the flame retardancy and texture, which are the characteristics of the halogen-containing flame-retardant fiber, cannot be sufficiently utilized.
• the halogen-containing vinyl monomer is a halogen atom, preferably a chlorine atom. Any vinyl monomer containing a hydrogen atom or a bromine atom can be used. Specific examples of the halogen-containing vinyl monomer include, for example, vinyl chloride, vinyl chloride, vinyl bromide, and the like. They are
• One type may be used, or two or more types may be used in combination.
• Examples of the copolymerizable vinyl monomer include acrylates such as acrylic acid, ethyl acrylate, and propyl acrylate; methacrylates such as methacrylic acid, methyl methacrylate, and ethyl methacrylate; Examples include acrylamide, vinyl acetate, vinyl sulfonic acid, vinyl sulfonic acid salt (such as sodium vinyl sulfonic acid), styrene sulfonic acid, and styrene sulfonic acid salt (such as sodium styrene sulfonic acid). These may be used alone or in combination of two or more.
• Examples of a method of polymerizing a monomer mixture containing the acrylonitrile, the halogen-containing monomer, and a monomer copolymerizable therewith to obtain an acrylic copolymer include an ordinary vinyl polymerization method, for example, a slurry polymerization method, Any method such as an emulsion polymerization method and a solution polymerization method may be adopted, and the method is not particularly limited.
• antimony compounds include inorganic antimony compounds such as antimony trioxide, antimony pentoxide, antimonic acid, and antimony oxychloride. These may be used alone or in combination of two or more.
• the content of the antimony compound is 25 parts or more, preferably 30 parts or more (lower limit) and 100 parts or less (upper limit) based on 100 parts of the acrylic copolymer. . If the content of the antimony compound is less than the lower limit, the flame retardancy of the composite flame-retardant interwoven fabric cannot be sufficiently ensured. Problems such as deterioration of physical properties such as strength and elongation of the fuel fiber and nozzle clogging during production may occur.
• a copolymer is dissolved in a solvent capable of dissolving the acrylic copolymer.
• the method for obtaining the octa-logen-containing flame-retardant fiber is not limited to these, and other known methods can also be used.
• the composite yarn (A) obtained by compounding the halogen-containing flame-retardant fiber (a-1) with another fiber (a_2) is 100 ° C to 500 ° C under a load of 30 Omg / meter 17th.
• the elongation percentage in the temperature range of C is less than 5%, there is no particular limitation on the other fiber (a-2) that is composited with the halogen-containing flame-retardant fiber (a-1).
• the elongation is more preferably 3% or less. If the elongation percentage of the composite yarn (A) is 5% or more, the heat resistance is low and the flame retardancy is reduced, so that holes are formed in the woven fabric upon ignition.
• the elongation rate of the composite yarn (A) is SOC150 (manufactured by Seiko Denshi Co., Ltd.), and is 30 Omg / meter count under a constant load of 17th count. Obtained by measuring the sample length when the temperature is raised to ° C. Elongation refers to the ratio of the difference between the original sample length and the original sample length at the maximum elongation at 100-500 ° C.
• a composite yarn (A) exhibiting thermal behavior with an elongation rate of less than 5% in a temperature range of 100 ° C to 500 ° C is obtained.
• the natural texture of the fabric can be sufficiently imparted In that respect, cotton and rayon are preferred.
• the proportion of the octahogen-containing flame-retardant fiber (a-1) is preferably 60 to 95 parts, more preferably 70 to 80 parts, in the composite yarn (A).
• the proportion of the other fiber (a-2) is preferably 40 to 5 parts, more preferably 30 to 20 parts in the composite yarn (A).
• the halogen-containing flame-retardant fiber (a-1) and the other fiber (a-2) are combined so that the total is 100 parts.
• octogen-containing flame-retardant fibers (a-1) When the content of octogen-containing flame-retardant fibers (a-1) is less than 60 parts, the content of halogen-containing fibers imparting flame retardancy in the woven fabric becomes low, and the flame retardancy tends to decrease. If the halogen-containing flame-retardant fiber (a_l) exceeds 95 parts, the composite yarn (A) melts during the combustion test, and the fabric tends to be perforated during the combustion test, resulting in reduced flame retardancy. There is.
• octahogen-containing flame-retardant fiber (a-1) and the other fiber (a-2) examples thereof include a cotton blend and a twisted yarn.
• the cellulosic fiber yarn (B) can be used without any particular limitation.
• at least one fiber selected from the group consisting of cotton, hemp, rayon, polynosic, cuvula, acetate, and triacetate is preferable because natural texture can be sufficiently imparted.
• cotton is particularly preferred because of its many advantages such as washing resistance, dyeing properties, and low cost.
• the flame-retardant interwoven fabric of the present invention is produced by interweaving the composite yarn (A) and a cellulosic fiber yarn (B) for imparting heat resistance and a natural texture.
• the flame-retardant interwoven fabric of the present invention is obtained by interweaving a composite yarn (A) and a cellulose fiber yarn (B), using either one as a warp and the other as a weft.
• the interwoven fabric itself has a very distinctive appearance, that is, excellent design It is a woven fabric, especially when flame-retardant fiber and general non-flame-retardant fiber are interwoven. Can be increased. However, cross-woven fabrics, in which a large amount of non-flame-retardant fibers are present on the surface of the fabric, generally have lower flame retardancy than plain weaves.
• the interwoven fabric of the present invention in which the composite yarn (A) and the cellulosic fiber yarn (B) are interwoven is a composite yarn (a) in which the halogen-containing flame-retardant fiber (a-1) and another fiber (a-2) are mixed.
• the design is excellent in texture and moisture absorption.
• the mixed woven fabric is characterized in that not only the halogen-containing flame-retardant fiber but also other fibers (a-2) are compounded as the composite yarn (A), whereby the shrinkage behavior against heat is suppressed and carbonization is promoted, so that the flame retardancy is improved.
• both the flame retardancy of the composite yarn (A) and the characteristics of the cellulosic fiber yarn (B), such as texture can be maximized.
• the ratio of the composite yarn (A) is at least 30%, preferably at least 40% (lower limit) in the flame-retardant interwoven fabric, and is at most 70%, preferably at most 60% (upper limit).
• the proportion of the cellulosic fiber yarn (B) is at least 30%, preferably at least 40% (lower limit) in the flame-retardant interwoven fabric, and is at most 70%, preferably at most 60% ( upper limit) .
• the total amount of the composite yarn (A) and the cellulosic fiber yarn (B) is adjusted to 100% by weight.
• the flame retardancy of the interwoven fabrics was evaluated according to French NF P 92-503. Briefly describing the French NF P 92-503 combustion test method, the test fabric was tilted at 30 ° to the horizontal, a 500W electric heater was brought close to the fabric, and 20 seconds and 45 seconds after the heater started heating. After 75 seconds, 105 seconds, 135 seconds, and 165 seconds, the burner is fired indirectly for 5 seconds. The flame retardancy is determined based on the number of seconds after the flame and the carbonization length. This is a very strict combustion test in which burner flame is applied while heating with an electric heater. Combustion of the interwoven fabric was carried out in four directions: ⁇ , ⁇ ,, and ⁇ , and the judgment was made based on the following NFP 92-507 standard.
• M3 In the four-direction test, the residual flame time is longer than 5 seconds even with one sheet, and the average carbonization length is 60 cm or less.
• Use SSC 150 Measure the sample length with respect to the original sample length when the temperature was raised from 100 ° C to 500 ° C in 100 ° C under a constant load of 17th count .
• the ratio of the difference between the original sample length and the original sample length at the maximum elongation at 100 to 500 ° C. was determined as the elongation ratio.
• Production Example 1 Production of composite yarn of fire retardant fiber containing cotton and cotton
• a copolymer obtained by copolymerizing 52 parts of acrylonitrile, 46.8 parts of Shiridani vinylidene, and 1.2 parts of sodium styrenesulfonate was dissolved in acetone to form a 30% solution. .
• 50 parts of antimony trioxide was added to prepare a spinning stock solution.
• the obtained spinning stock solution was extruded into a 25: 38% aqueous acetone solution using a nozzle having a hole diameter of 0.07 mm and a number of holes of 3300, washed with water, and washed at 120 ° C. Dried at C for 8 minutes.
• a composite yarn was produced in the same manner as in Production Example 1 except that 30 parts of cotton was mixed with 70 parts of the halogen-containing flame-retardant fiber, thereby obtaining a 17-meter spun yarn.
• Table 1 shows the elongation rate of the obtained composite yarn.
• Production Example 3 Production of composite yarn of fire retardant fiber containing cotton and cotton
• a composite yarn was produced in the same manner as in Production Example 1 except that 40 parts of cotton was mixed with 60 parts of the halogen-containing flame-retardant fiber to obtain a spun yarn having a metric count of 17.
• Table 1 shows the elongation rate of the obtained composite yarn.
• Production Example 4 (Production of composite yarn of halogen-containing flame-retardant fiber and rayon) A composite yarn was produced in the same manner as in Production Example 1 except that 20 parts of rayon was mixed with 80 parts of the halogen-containing flame-retardant fiber to obtain a spun yarn having a metric count of 17. Table 1 shows the elongation rate of the obtained composite yarn.
• Production Example 5 Production of composite yarn of halogen-containing flame-retardant fiber and rayon
• a composite yarn was produced in the same manner as in Production Example 1 except that 30 parts of rayon was mixed with 70 parts of the halogen-containing flame-retardant fiber to obtain a spun yarn having a metric count of 17.
• Table 1 shows the elongation rate of the obtained composite yarn.
• Production Example 6 Production of composite yarn of octogen-containing flame retardant fiber and rayon
• a composite yarn was produced in the same manner as in Production Example 1 except that 40 parts of rayon was mixed with 60 parts of the halogen-containing flame-retardant fiber to obtain a spun yarn having a metric count of 17.
• Table 1 shows the elongation rate of the obtained composite yarn.
• An octogen-containing flame-retardant fiber was produced in the same manner as in Production Example 1, and a spun yarn having a metric count of 17 was obtained without mixing the cellulosic fiber.
• Table 1 shows the elongation rate of the obtained composite yarn.
• the warp yarn is a metric count 5 1-count cotton spun yarn of 1.55 Z2.5.4 cm (1 inch) (warp ratio 55%), and the woof is a composite yarn manufactured in Production Examples 1 to 6 above. Twenty-two spun yarns were driven in at Z 2.54 cm (1 inch) (weft ratio: 45%) to produce a five-ply satin-woven fabric. The flame retardancy of the obtained mixed fabric was evaluated. Table 1 shows the results.
• Fiber (a-1) Other fiber Jarrou number (a-1) /
• the spun yarn of the halogen-containing flame-retardant fiber alone produced in Comparative Production Example 1 had an elongation at a temperature of 500 ° C of 35%.
• the flame-retardant fabric was inferior to the cross-woven fabric obtained in Examples 1 to 6 and was found to be of the M2 class.
• the composite yarn composed of the halogen-containing flame-retardant fiber containing antimony trioxide and other fibers and the cross-woven fabric composed of the cellulosic fiber yarn have the high flame retardancy of M1 class. It can be seen that a woven fabric can be obtained.
• the flame-retardant interwoven fabric of the present invention is a highly flammable interwoven fabric that passes the class M1 of the French NFP 92-503 combustion test. Highly flame-retardant can also be expressed in the mixed woven fabric.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Mechanical Engineering (AREA)
• Manufacturing & Machinery (AREA)
• Woven Fabrics (AREA)
• Artificial Filaments (AREA)

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• 2003
  • 2003-03-20 US US10/508,888 patent/US20050130535A1/en not_active Abandoned
  • 2003-03-20 CN CNA038112809A patent/CN1653220A/zh active Pending
  • 2003-03-20 WO PCT/JP2003/003398 patent/WO2003080909A1/ja active Application Filing
  • 2003-03-20 EP EP03745003A patent/EP1498523A4/de not_active Withdrawn
  • 2003-03-20 JP JP2003578626A patent/JPWO2003080909A1/ja active Pending

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