CN1829831A - Flame retardant fiber blends comprising modacrylic fibers and fabrics and garments made therefrom - Google Patents

Flame retardant fiber blends comprising modacrylic fibers and fabrics and garments made therefrom Download PDF

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Publication number
CN1829831A
CN1829831A CNA2004800218608A CN200480021860A CN1829831A CN 1829831 A CN1829831 A CN 1829831A CN A2004800218608 A CNA2004800218608 A CN A2004800218608A CN 200480021860 A CN200480021860 A CN 200480021860A CN 1829831 A CN1829831 A CN 1829831A
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CN
China
Prior art keywords
flame
yarn
fiber
fabric
cut staple
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CNA2004800218608A
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Chinese (zh)
Inventor
R·朱
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EIDP Inc
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EI Du Pont de Nemours and Co
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Publication of CN1829831A publication Critical patent/CN1829831A/en
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    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04Blended or other yarns or threads containing components made from different materials
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04Blended or other yarns or threads containing components made from different materials
    • D02G3/047Blended or other yarns or threads containing components made from different materials including aramid fibres
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44Yarns or threads characterised by the purpose for which they are designed
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44Yarns or threads characterised by the purpose for which they are designed
    • D02G3/443Heat-resistant, fireproof or flame-retardant yarns or threads
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/10Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • D10B2321/101Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide modacrylic
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • D10B2331/021Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Artificial Filaments (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

An intimate blend of staple fibers has from 10 to 75 parts by weight of at least one aramid staple fiber, from 15 to 80 parts by weight of at least one modacrylic staple fiber, and from 5 to 30 parts by weight of at least one polyamide staple fiber. The intimate blend of staple fibers provides yarns and fabrics that are flame retardant, also referred to as fire resistant, and can be used to make flame retardant articles, such as clothing. The flame retardant fabrics may have a basis weight from 4 to 15 ounces per square yard.

Description

Comprise the fire resistance fibre blending thing of modified acroleic acid fiber and by the fabric and the clothes of its manufacturing
Background technology
Exist demand fire-retardant, that be also referred to as fire-resistant fabric, such fabric can be used for making the clothes of the people's dress that is suitable for working near flame, high temperature or arc-flash always.Except that having good hot property, effectively flame-retardant textile should be durable, comfortable, and should be able to be with low cost production.
Though the fabric of being made by the fiber of intrinsic anti-flammability has been suitable for protective clothes very much, some feature of these fibers is problematic.For example, these fibers may be difficult to dyeing, and fabric tissue is uncomfortable, and is expensive.In order to address these problems, with intrinsic fire-retardant fiber and the fiber blend of making by other materials.Fiber blend can be used for preparing and has both each the purpose fabric of useful feature that structure divides fiber.Yet such blending causes durability and hot property to reduce usually.
Some fiber blend thing and be well known in the art by the fabric of these blending thing manufacturings.For example, the U.S. Patent number 4,920,000 (Green) that authorize April 24 nineteen ninety discloses a kind of durable thermodurable textile, and it comprises some blended yarn of cotton, nylon and heat resistance fiber.(Smith Jr.) discloses flame-retardant textile to the U.S. Patent number 4,970,111 of authorizing November 13 nineteen ninety, and it comprises the blended yarn of chloride polymer fiber, polyacrylonitrile fibre and flame retardant polyester binding agent.The U.S. Patent number 5,503,916 (Ichibori etc.) that on April 2nd, 1996 authorized discloses flame-resistant garment, and it comprises natural or chemical fibre and the polymer fiber that comprises antimony and halogen compounds.The U.S. Patent number 6,132,476 (Lunsford etc.) of authorizing on October 17th, 2000 discloses the fabric blending thing of dyeing, and it comprises intrinsic fire-retardant fiber and the flame retardant cellulose fiber that comprises flame-retardant compound.The U.S. Patent number 6 that authorize July 3 calendar year 2001,254,988B1 (Zhu etc.) discloses the fabric of being made up of specific blending thing, and described blending thing is cotton, nylon and to the blending thing of aramid fibre, this fabric be comfortable, anti-cutting with wear-resisting.The U.S. Patent application publication 2001/0009832A1 (Shaffer etc.) that publish July 26 calendar year 2001 discloses flame-retardant textile, it comprises different warp thread and weft yarn, wherein said warp thread comprises cut staple or filament fiber, and has at least 27 limited oxygen index, described weft yarn comprises natural fabric, and the ratio of warp thread and weft yarn radical is at least 1.0 in fabric.The U.S. Patent number 6,547 of authorizing on April 15th, 2003,835B1 (Lunsford etc.) disclose the method for the flame-retardant textile that is used to dye.
The fabric of making by the yarn of fiber blend thing and above-mentioned discussion, or have poor ABRASION RESISTANCE naturally, perhaps as the U.S. Patent number 4 of mandate on April 24 nineteen ninety, 920, disclosed among 000 (Green), use the cotton fiber of big percentage, it has very low ABRASION RESISTANCE.Fire prevention cloth kimonos dress uses in adverse circumstances usually, and any improvement of ABRASION RESISTANCE that therefore is used for the fabric of these clothes all is important in desirable.Therefore, there are needs to fire resistance fibre blending thing, yarn and the fabric of ABRASION RESISTANCE with raising.
Summary of the invention
According to purpose of the present invention, as embodiment and broadly described in this article, the present invention is the accurate blending thing of cut staple, and it comprises at least a aromatic polyamides cut staple of 10 to 75 weight portions, at least a modified acroleic acid cut staple of 15 to 80 weight portions and at least a polyamide staple fiber of 5 to 30 weight portions.
In another embodiment, the present invention is the accurate blending thing of cut staple, and it comprises at least a aromatic polyamides cut staple of 20 to 40 weight portions, at least a modified acroleic acid cut staple of 50 to 80 weight portions and at least a polyamide staple fiber of 15 to 20 weight portions.
In another embodiment, the present invention is a kind of aforesaid accurate blending thing, wherein said at least a aromatic polyamides cut staple is a poly, and the described at least a modified acroleic acid cut staple copolymer that is acrylonitrile and vinylidene chloride.
Modified acroleic acid cut staple of the present invention preferably comprises the antimony additive.Preferred antimony additive is an antimony oxide.
Accurate blending thing of the present invention can be used for making yarn, and described yarn can be used for again making and be used for for example flame-retardant textile of clothes of fire-retardant product.
Can clearer and more definite other scope of applications of the present invention from the following detailed description that provides.Yet, indicated embodiment of the present invention though should be appreciated that described detailed description and certain embodiments, only illustrated, because those skilled in the art describe in detail according to these, with various changes and the correction of recognizing apparently in spirit and scope of the invention.Should be appreciated that above-mentioned general remark and following detailed description both only are exemplary with illustrative, and be not restriction the present invention for required protection.
Describe in detail
Exist making flame-retardant textile, being also referred to as the demand of the fiber blend thing of fire-resistant fabric, described fabric can be used for making clothes and other goods always, and the people that they are suitable near work flame, high temperature or arc-flash or the like use.Make sizable effort and improved the validity of this fibrid blending thing, and made the fabric maintenance that obtains or improve its comfortableness and durability, and reduced its totle drilling cost.The present invention has obtained such progress just in the flame-resistant garment field.
The accurate blending thing of cut staple of the present invention comprises aramid fibre, modified acroleic acid fiber and polyamide fiber.The ratio of every kind of component is important for obtaining necessary comprehensive physical quality." accurate blending thing " was meant before spinning two or more type of fibers blending.In the present invention, accurate blending thing is by merging aramid fibre, modified acroleic acid fiber and polyamide fiber with fibers form, is spun into one-ply yarn then and forms." yarn " is meant that spinning or twisting form the aggregation of the fiber of continuous tow together, and it can be used for braiding, knitting, braid or woollen yarn knitting, perhaps otherwise makes textile material or fabric.Such yarn can be by being used for the commonsense method manufacturing with the cut staple spun yarn, for example ring spinning, and the perhaps open-end spinning technology of fair speed, Murata air jet spinning for example, wherein air is used to cut staple is twisted resultant yarn.
The accurate blending thing of cut staple of the present invention comprises aramid fibre, and it is intrinsic anti-flammability." aramid fibre " is meant one or more by the fiber that one or more aromatic polyamides are made, and wherein (CONH-) key is directly connected on two aromatic rings at least 85% acid amides.Aromatic polyamides reacts the generation amido link by aromatic dicarboxylic acid chloride and aromatic diamine and forms in amide solvent.Aramid fibre can utilize many methods to carry out spinning by dry method or wet spinning, however U.S. Patent number 3,063,966; 3,227,793; 3,287,324; 3,414,645; 3,869,430; 3,869,429; 3,767,756; With 5,667,743rd, be used to produce the example of the useful spinning process that can be used for fiber of the present invention.
Common available aramid fibre has two kinds of different classifications, aramid fibre or m-aramid fibre promptly, wherein a kind ofly form by poly, it is also referred to as MPD-I, with to aramid fibre or p-aramid fibre, wherein a kind ofly form, be also referred to as PPD-T by PPTA.Between aramid fibre generally can several forms, with trade mark NOMEX Available from E.I.DuPont deNemours of Wilmington, Delaware: NOMEX T-450 It is 100% aromatic polyamides; NOMEX T-455 Be 95%NOMEX And 5%KEVLAR The blend of (to aromatic polyamides); And NOMEX IIIA (be also referred to as NOMEX T-462 ) be 93%NOMEX , 5%KEVLAR Blend with 2% carbon heart nylon.In addition, an aramid fibre can trade mark CONEX And APYEIL Obtain, they are produced by the Teijin Co., Ltd of Tokyo and the Unitika Co., Ltd of Osaka, Japan respectively.Generally can trade mark KEVLAR to aramid fibre From E.I.DuPont de Nemours of Wilmington, the Delaware obtains and with trade mark TWARON Obtain from the Teijin Co., Ltd of Tokyo.For purpose of the present invention, TECHNORA Fiber, it can be available from the Teijin Co., Ltd of Tokyo, and is made by copolymerization (to phenylene/3,4 ' diphenyl terephthalamide), is considered aramid fibre.
In one embodiment of the invention, described at least a aromatic polyamides cut staple is a poly.
The accurate blending thing of cut staple of the present invention also comprises the modified acroleic acid fiber.The modified acroleic acid fiber is the fiber of making, and wherein becoming fine material is any long-chain synthetic polymer, its by less than 85%, but the acrylonitrile (CH of at least 35% weight 2CH[CN]-) x unit composition.The modified acroleic acid fiber is by resin manufacture, and this resin is the copolymer (compound) of acrylonitrile and halogen-containing compound, for example vinyl chloride, vinylidene chloride or bromine ethene.The modified acroleic acid fiber is intrinsic anti-flammability, because other compounds of they and these for example vinyl chloride, vinylidene chloride or bromine ethylene copolymerization.The modified acroleic acid fiber can be buied by various trade marks, for example Protex (acrylonitrile/polyvinylidene chloride copolymer), it can be available from the Kaneka company of Osaka, Japan.
In one embodiment of the invention, the described at least a modified acroleic acid fiber copolymer that is acrylonitrile and vinylidene chloride.
Modified acroleic acid cut staple of the present invention preferably comprises the antimony additive.Preferred antimony additive is an antimony oxide, preferably adds with the amount greater than 2 percetages by weight.
The accurate blending thing of cut staple of the present invention also comprises polyamide fiber." polyamide fiber " is meant that one or more by the fiber that one or more fatty polyamide polymer are made, usually are called as nylon.Example comprises polyhexamethylene adipamide (nylon 66), polycaprolactam (nylon 6), polybutyrolactam (nylon 4), poly-(9 aminononanoic acid) (nylon 9), poly-oenantholcatam (nylon 7), poly capryllactam (nylon 8) and polyhexamethylene sebacamide (nylon 6,10).Nylon fiber usually is expressed in the gas setting medium by capillary by the melt with polymer and comes spinning.When nylon is the polyamide fiber that forms in the accurate blending thing of cut staple of yarn, when such yarn forms fabric preferably used as warp thread, to improve protective effect at final fabric or in to the pressure release surface wearing and tearing by so textile clothes.In one embodiment of the invention, when nylon is used to make fabric of the present invention or clothes by this way, fabric of the present invention or clothes, compare with the fabric that does not similarly have nylon, estimate to have the ABRASION RESISTANCE that exceeds above 10%, described ABRASION RESISTANCE is measured with the periodicity that causes destroying according to abrasion test as described below.Yet, in fabric, exist too many nylon will make fabric become stiff, and when fabric is exposed to high temperature momently, lose drapability.
In one embodiment of the invention, nylon fiber has the line density of 1 to 3 dtex.In another embodiment, nylon fiber has the line density of 1 to 1.5 dtex.In another embodiment, nylon fiber has the line density of about 1.1 dtexs.
The accurate blending thing of cut staple of the present invention can be used for making fire-retardant yarn and fabric.These yarns and fabric can be used for making fire-retardant product, for example flame-resistant garment and cloth, and it especially can use for the approaching workman of fire fighter and other and flame, high temperature or arc-flash.Usually, " fire-retardant " is meant in air, and after contacting a short time with flame, fabric is not supported flaming combustion.More properly, " fire-retardant " can define according to vertical fire retardancy test as described below.After being exposed to flame 12 seconds, flame-retardant textile preferably has the char length less than six inches.Term " fire-retardant ", " anti-combustion ", " back-fire relief " and " fire-resistant " are used in industry interchangeably, and in the present invention, " fire-retardant " compound, fiber, yarn, fabric and clothes can be described as " anti-combustion ", " back-fire relief " and " fire-resistant " in the same manner.
The cut staple that is used to spin has particular length and specific line density usually.For use in the present invention, the synthetic fiber cut staple length that can use 2.5 to 15 centimetres (1 to 6 inches) and reach 25 centimetres (10 inches), and the length of 3.8 to 11.4 centimetres (1.5 to 4.5 inches) is preferred.Have been found that by cut staple length to require too high twist level, to keep processing needed intensity less than the yarn of this fibrid manufacturing of 2.5 centimetres.More be difficult to make by the yarn of cut staple length, because the tendency that long fiber has entanglement and ruptures produces short fiber greater than this fibrid manufacturing of 15 centimetres.According to the needs of any specific purpose, synthetic cut staple can be curl or non-crimping.Cut staple of the present invention is made by continuous filament yarn being cut to certain predetermined length usually.Yet cut staple can otherwise be made, and for example by stretching-fracture, and yarn can be by such fiber and by the cut staple of various different lengths or by the cut staple manufacturing of the different length of certain distribution.
In one embodiment of the invention, yarn of the present invention can be used for making flame-retardant textile, and this fabric is by with yarn weaving of the present invention, knitting or otherwise in conjunction with the cloth produced.Flame-retardant textile can be configured to have the warp thread that comprises yarn of the present invention, has the weft yarn that comprises yarn of the present invention, perhaps has the warp thread and the weft yarn that comprise yarn of the present invention.According to desirable fabric feature, when fabric when only (i.e. only weft yarn or only warp thread) uses yarn of the present invention in a direction, other yarns that are fit to can be used to other directions.In order to obtain best ABRASION RESISTANCE, yarn of the present invention is used to warp-wise, because warp thread forms the major part of the direct contact surface of fabric usually.This makes the outer surface of the fabric of clothing form have best ABRASION RESISTANCE.
In one embodiment of the invention, flame-retardant textile has the basis weight of 4 to 15 ounce per square yard.In another embodiment of the invention, flame-retardant textile has the basis weight of 5.5 to 11 ounce per square yard.Such fabric can be made into clothing item, and the form of shirt, trousers, Work Clothes, apron, overcoat or any other individual layer or multilayer for example is for use in scintillation or arc protection.
Embodiment further describes goods of the present invention below with reference to work.Yet, should be pointed out that notion of the present invention is not subjected to the restriction of these embodiment fully.
Test method
Following test method is used to following examples.
Thermal protective performance test (TPP).The barrier propterty of the expectation of fabric in heat and flame uses " thermal protective performance test " (NFPA 2112) to measure.With specific heat flux (common 84kW/m 2), a part of flame being aimed at the fabric that is installed in horizontal level.Described method of testing the has been used copper bolt calorimeter measurement heat energy that transmits by sample from described thermal source, wherein between fabric and thermal source without any at interval.Use characterizes the terminal point of test by the simplified model (" Transactions New York Academy Science ", 1971,33,649 pages) of Stoll and Chianta exploitation by means of the needed time of the second degree skin burn that reaches expectation.In this test is the value of sample appointment, is expressed as " TPP value ", is to reach the needed total heat energy of described terminal point, and the direct heat source exposure time that perhaps reaches the process of burning of expectation multiply by the heat flux of incident.Higher TPP value representation is heat-insulating property preferably.
Vertical fire retardancy test." vertical fire retardancy test " (ASTM D6413) as screening test, determines whether fabric burns usually, whether has any fire resistance with the prediction clothing item.According to this test, 3 * 12 inches fabric portions are vertically fixing, and specific flame is put on the lower limb 12 seconds of fabric.The record fabric is to being exposed to the response of flame.Measure the length that fabric is burned or burn.Also measured the time that residual flame (being fabric portions burning away after removing test flame) and nonflame prolong combustion (it is characterized in that fabric portions removing smouldering after testing flame).In addition, the fusion and the drippage of fabric portions have been write down.For industrial worker's clothes, fireman's fire-entry suit and fire-retardant place clothes and military uniform, be known based on the qualified/underproof standard of this method.According to industrial standard, if fabric has char length less than six inches after 12 seconds being exposed to flame, can think that then it is fire-retardant or fire-resistant.
Abrasion test.ABRASION RESISTANCE uses ASTM method D3884 to measure, and wherein uses Taber ABRASION RESISTANCE measuring instrument (can be available from Teledyne Taber, 455Bryant St., NorthTonawanda N.Y.14120), uses the H-18 wheel, 500 gram loads.The periodicity report of Taber ABRASION RESISTANCE to cause destroying.
Tear strength test.Tearing strength is measured and is based on ASTM D5587.The tearing strength of fabric is by trapezoidal process, service recorder constant rate of elongation type (CRE) stretching test machine determination.Tearing strength as what measure in this test method, requires to cause before test and tears.Sample in the cutting of the center on trapezoidal minimum base, is torn beginning.The trapezoidal non-parallel side of mark is clipped in the parallel jaws of cupping machine.Increase the spacing of clamp continuously,, the tearing port that strides across sample is enlarged to apply power.The power of record generation simultaneously.Calculate the power that continues of tearing that makes by autochart recorder or microprocessor data gathering system.Two kinds of methods of calculating trap tear strength are provided: the mean value of single peak force and five peak-peak power.For embodiments herein, used single peak force.
Grab the sample fracture strength test.The measurement of grabbing the sample fracture strength is based on ASTM D5034, and it is to the fracture strength of fabric or other sheet materials and the mensuration of percentage elongation.100 millimeters (4.0 inches) wide samples medially are fixed in the clamp of cupping machine, and apply power, break up to sample.Obtain the disruptive force of sample and the value of percentage elongation from machine scale or the computer that is connected with testing machine.
Embodiment
Embodiment 1 is a fabric of the present invention, and it comprises the of the present invention accurate blending thing as warp thread and weft yarn.Embodiment 2 is fabrics of the present invention, and it comprises as the of the present invention accurate blending thing of warp thread with as the aromatic polyamides of weft yarn and the accurate blending thing of modified acroleic acid fiber.The comparative example A is not a fabric of the present invention, and the accurate blending thing that it comprises as the aromatic polyamides of warp thread and weft yarn and modified acroleic acid fiber does not conform to nylon.Below be being described in more detail of these embodiment, what follow is the result of the test of each embodiment.
Embodiment 1.Use comprises Nomex The warp thread of the RING SPINNING system of the accurate blending thing of type 462 modified acroleic acid fibers and nylon and weft yarn have been made comfortable and durable fabric.Nomex Type 462 is 93% poly (MPD-I), 5% PPTA (PPD-T) and 2% static dissipation fiber (P-140 type, can available from E.I.DuPont deNemours of Wilmington, Delaware).Modified acroleic acid fiber in this embodiment is that the ACN/ polyvinylidene chloride copolymer (can trade mark Protex Kaneka company available from Osaka, Japan), and the nylon that uses be polyhexamethylene adipamide.
Made the Nomex of 35 percetages by weight The scutcher blended yarn sliver of the modified acroleic acid fiber of type 462,50 percetages by weight and the nylon of 15 percetages by weight, and by means of common cotton system uses ring spinner, is processed into twist multiplier and is 3.7 spun yarn.The yarn of Zhi Zaoing is 24.6 spies (24 English cotton yarn count) single thread like this.Then 2 single thread are pooled capital on buncher, make double strand yarn as warp thread.Use similar technology and identical twisting and blending rate, made 32.8 spies (18 English cotton yarn count) single thread, then with 2 these yarns plying, as weft yarn.
In fly-shuttle loom, in 3 * 1 twill structures, with Nomex / modified acroleic acid fiber/nylon yarn is as warp thread and weft yarn.Former base TWILL CLOTH has the structure of 24 warp thread * 15 picks per centimeter (60 warp thread * 39 picks per inch), and basis weight is 271.3g/m 2(8oz/yd 2).The former base TWILL CLOTH of above-mentioned manufacturing is washed in hot water and drying under low-tension.Fabric with flushing uses acid dyeing then.Test the hot property and the mechanical performance of final fabric then.The results are shown in the table 1 of these tests.
Embodiment 2
Made the comfortable and durable fabric of the weft yarn of the warp thread that comprises RING SPINNING system and RING SPINNING system, described warp thread is by Nomex The accurate blending thing of type 462, modified acroleic acid fiber and nylon is made, and described weft yarn is by Nomex The accurate blending thing of type 462 and modified acroleic acid fiber is made.
Nomex Type 462 is 93% poly (MPD-I), 5% PPTA (PPD-T) and 2% static dissipation fiber (P-140 type, can available from E.I.DuPont de Nemours of Wilmington, Delaware).In this embodiment, the modified acroleic acid fiber is that the ACN/ polyvinylidene chloride copolymer (can trade mark Protex Kaneka company available from Osaka, Japan), and the nylon that uses be polyhexamethylene adipamide.
Made the Nomex of 35 percetages by weight The scutcher blended yarn sliver of the modified acroleic acid fiber of type 462,50 percetages by weight and the nylon of 15 percetages by weight, and by means of common cotton system uses ring spinner, is processed into twist multiplier and is 3.7 spun yarn.The yarn of Zhi Zaoing is 24.6 spies (24 English cotton yarn count) single thread like this.Then 2 single thread are pooled capital on buncher, make double strand yarn as warp thread.Use similar technology and identical amount of twist, use 50 percetage by weight Nomex The blended yarn of the modified acroleic acid fiber of type 462 and 50 percetages by weight has been made 32.8 spies (18 English cotton yarn count) single thread, then with 2 these single thread plying, as weft yarn.
In fly-shuttle loom, in 3 * 1 twill structures, with Nomex / modified acroleic acid fiber/nylon yarn is used as warp thread, and with Nomex / modified acroleic acid silvalin is as weft yarn.Former base TWILL CLOTH has the structure of 23 warp thread * 16 picks per centimeter (58 warp thread * 40 picks per inch), and basis weight is 264.5g/m 2(7.8oz/yd 2).The former base TWILL CLOTH of above-mentioned manufacturing is washed in hot water and drying under low-tension.Fabric with flushing uses acid dyeing then.Test the hot property and the mechanical performance of final fabric then.The results are shown in the table 1 of these tests.
The comparative example A
Made comfortable and durable fabric, it comprises the warp thread of RING SPINNING system and the weft yarn of RING SPINNING system, and described warp thread is by Nomex The accurate blending thing of type 462 and modified acroleic acid fiber is made, and described weft yarn is by Nomex Type 462 and modified acroleic acid fiber are made.
Nomex Type 462 is 93% poly (MPD-I), 5% PPTA (PPD-T) and 2% static dissipation fiber (P-140 type, can available from E.I.DuPont de Nemours of Wilmington, Delaware).In this embodiment, the modified acroleic acid fiber is that the ACN/ polyvinylidene chloride copolymer (can trade mark Protex Buy from the Kaneka company of Osaka, Japan).
Made the Nomex of 50 percetages by weight The scutcher blended yarn sliver of the modified acroleic acid fiber of type 462 and 50 percetages by weight, and by means of common cotton system uses ring spinner, is processed into twist multiplier and is 3.7 spun yarn.The yarn of Zhi Zaoing is 24.6 spies (24 English cotton yarn count) single thread like this.Then 2 these single thread are pooled capital on buncher, make double strand yarn as warp thread.Use similar technology and identical amount of twist, use 50 percetage by weight Nomex The blended yarn of the modified acroleic acid fiber of type 462 and 50 percetages by weight has been made 32.8 spies (18 English cotton yarn count) single thread, then with 2 these single thread plying, as weft yarn.
In fly-shuttle loom, in 3 * 1 twill structures, with Nomex / modified acroleic acid silvalin is as described warp thread and weft yarn.Former base TWILL CLOTH has the structure of 23 warp thread * 15 picks per centimeter (58 warp thread * 38 picks per inch), and basis weight is 254g/m 2(7.5oz/yd 2).The former base TWILL CLOTH of above-mentioned manufacturing is washed in hot water and drying under low-tension.Fabric with flushing uses acid dyeing then.Test the hot property and the mechanical performance of final fabric then.The results are shown in the table 1 of these tests.
The result of the test of table 1. embodiment
The embodiment numbering Embodiment 1 Embodiment 2 The comparative example A
Fabric Design Warp thread NOMEX /Protex / nylon 35/50/15 weight % NOMEX /Protex / nylon 35/50/15 weight % NOMEX /Protex 50/50 weight %
Weft yarn NOMEX /Protex / nylon 35/50/15 weight % NOMEX /Protex 50/50 weight % NOMEX /Protex 50/50 weight %
The test explanation Value Value Value
Basis weight (oz/y 2) 8 7.8 7.5
Yam count (number-warp thread * weft yarn) 24/2×18/2 24/2×18/2 24/2×18/2
TPP (card/cm 2) 12.9 13.5 14.9
Vertical flame coking (inch-warp thread * weft yarn) 3.8×3.6 3.6×4.1 2.3×2.6
Abrasion (cycle) 752 651 452
Tear resistance (lbf-warp thread * weft yarn) 43×40 41×36 42×39
Grab sample fracture strength (lbf-warp thread * weft yarn) 170×161 177×150 181×164

Claims (19)

1. the accurate blending thing of a cut staple, it comprises: at least a polyamide staple fiber of at least a aromatic polyamides cut staple of 10 to 75 weight portions, at least a modified acroleic acid cut staple of 15 to 80 weight portions and 5 to 30 weight portions.
2. the accurate blending thing of claim 1, wherein said at least a modified acroleic acid cut staple also comprises antimonial.
3. the accurate blending thing of claim 1 wherein exists the described at least a aromatic polyamides cut staple of 20 to 40 weight portions, the described at least a modified acroleic acid cut staple of 50 to 80 weight portions and the described at least a polyamide staple fiber of 15 to 20 weight portions.
4. the accurate blending thing of claim 1, wherein said at least a aromatic polyamides cut staple is selected from aramid fibre, an aramid fibre and its mixture.
5. the accurate blending thing of claim 3, wherein said at least a aromatic polyamides cut staple is selected from aramid fibre, an aramid fibre and its mixture.
6. the accurate blending thing of claim 1, wherein said at least a aromatic polyamides cut staple is a poly, and the described at least a modified acroleic acid fiber copolymer that is acrylonitrile and vinylidene chloride.
7. the accurate blending thing of claim 3, wherein said at least a aromatic polyamides cut staple is a poly, and the described at least a modified acroleic acid fiber copolymer that is acrylonitrile and vinylidene chloride.
8. yarn, it comprises the accurate blending thing of claim 1.
9. flame-retardant textile, it comprises the yarn of claim 8.
10. the flame-retardant textile of claim 9, the basis weight of wherein said flame-retardant textile is 4 to 15 ounce per square yard.
11. flame-resistant garment goods, it comprises the flame-retardant textile of claim 10.
12. the flame-retardant textile of claim 9, the basis weight of wherein said flame-retardant textile are 5.5 to 11 ounce per square yard.
13. flame-resistant garment goods, it comprises the flame-retardant textile of claim 12.
14. a yarn, it comprises the accurate blending thing of claim 6.
15. a flame-retardant textile, it comprises the yarn of claim 14.
16. the flame-retardant textile of claim 15, the basis weight of wherein said flame-retardant textile are 4 to 15 ounce per square yard.
17. flame-resistant garment goods, it comprises the flame-retardant textile of claim 16.
18. the flame-retardant textile of claim 15, the basis weight of wherein said flame-retardant textile are 5.5 to 11 ounce per square yard.
19. flame-resistant garment goods, it comprises the flame-retardant textile of claim 18.
CNA2004800218608A 2003-07-28 2004-07-28 Flame retardant fiber blends comprising modacrylic fibers and fabrics and garments made therefrom Pending CN1829831A (en)

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DE602004004792D1 (en) 2007-03-29
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