CN104611803B - Yarn and fabric and preparation method made of the polymer blend fiber and heat-resistance and flame-retardant fiber of aromatic polyamide and polyarylsulfone (PAS) - Google Patents
Yarn and fabric and preparation method made of the polymer blend fiber and heat-resistance and flame-retardant fiber of aromatic polyamide and polyarylsulfone (PAS) Download PDFInfo
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- CN104611803B CN104611803B CN201510078429.7A CN201510078429A CN104611803B CN 104611803 B CN104611803 B CN 104611803B CN 201510078429 A CN201510078429 A CN 201510078429A CN 104611803 B CN104611803 B CN 104611803B
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- 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
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- 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
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Artificial Filaments (AREA)
- Woven Fabrics (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The present invention relates to a kind of comprising the flame-retardant yarn made of the polymer blend fiber and heat-resistance and flame-retardant fiber of aromatic polyamide and polyarylsulfone (PAS) and by its obtained fabric and clothes, and their preparation method.The present invention relates to a kind of yarn, it includes the polymer blend fiber (A) and heat-resistance and flame-retardant fiber (B) of a kind of aromatic polyamide and polyarylsulfone (PAS), the polymer blend fiber (A) of the aromatic polyamide and polyarylsulfone (PAS) includes 40 98wt% aromatic polyamide, 2 60wt% polyarylsulfone (PAS), the aromatic polyamide and polyarylsulfone (PAS) are mixing.The yarn of the present invention has snugness of fit and resistance to elevated temperatures concurrently simultaneously.
Description
Technical field
The present invention relates to a kind of polymer blend fiber and heat-resistant fireproof included by aromatic polyamide and polyarylsulfone (PAS)
Flame-retardant yarn made of fiber and by its obtained fabric and clothes, and their preparation method.
Background technology
In the high quick-fried extreme thermal environment of the high temperature such as fire-fighting, electric welding, metallurgy, operation, operating personnel will generally wear resistance to height
Warm flame-retardant textile and thermal protection clothing item, come resist be possible to exposed to flame, high temperature, the heat radiation being subjected in electric arc,
The security risks such as thermal convection current.In the market, in the material selection of flame-resistant high-temperature-resistant product, the high-performance fiber used is such as：Aramid fiber
1313, Fanglun l414, PI, POD, PBO etc., such fire resistance fibre is typically with length more than higher mechanical moduli, and 200 degree
Phase heat-resisting operating temperature.But the universal feel of these refractory fibrous materials is harder, hygroscopicity is poor.The finished product of actual production,
In high temperature environments in use, operating personnel easily causes sense of discomfort, operating efficiency is influenceed, or even abandons the dress of uniform, so as to
The effect of security protection is lost, by Human body package among high temperature fire hazards.Therefore before basic security protective is ensured
Put, any improvement in terms of comfortableness, or durability, functional enhancing are all welcome.
Therefore, find yarn that is a kind of while having snugness of fit and resistance to elevated temperatures concurrently and protective clothes is made, be this hair
Bright technical problems to be solved.
The content of the invention
The present invention relates to a kind of yarn, and it includes the polymer blend fiber (A) of a kind of aromatic polyamide and polyarylsulfone (PAS)
With heat-resistance and flame-retardant fiber (B), the polymer blend fiber (A) of the aromatic polyamide and polyarylsulfone (PAS) is by aromatic polyamide
It is made with the polymer blend of polyarylsulfone (PAS), the polymer blend fiber of the aromatic polyamide and polyarylsulfone (PAS) includes 40-
98wt% aromatic polyamide, 2-60wt% polyarylsulfone (PAS), the aromatic polyamide and polyarylsulfone (PAS) are mixing.
Preferably, the polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS) (A) and heat-resistant fireproof in the yarn
The weight ratio of fiber (B) is 30-70：70-30, preferably 35-65:65-35, more preferably 40-60:60-40.
Preferably, conductive fiber is also contained in the yarn.
Preferably, the content of the conductive fiber in the yarn is 1-5%, preferably 2-4% by weight percentage, more excellent
Select 2-3%.
Preferably, in the polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS) (A), the aromatic polyamide is benzene
Two formyl p-phenylenediamine, mpd-i, polysulfonamides, poly(p-benzamide).
Preferably, in the polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS) (A), it is in 10% NaOH solution
The strength retention soaked 5 hours at 85 DEG C is more than 70%, preferably more than 80%, more preferably more than 85%.
Preferably, its intensity with more than 2.5cN/dtex, preferably 2.5-3.5cN/dtex, more preferably 2.8-3.2cN/
dtex。
Preferably, its glass transition temperature with more than 280 DEG C of glass transition temperature, preferably more than 300 DEG C, more preferably
More than 340 DEG C, most preferably more than 350 DEG C.
Preferably, the polymer blend fiber (A) of the aromatic polyamide and polyarylsulfone (PAS) has 1D-5D fineness, excellent
Select 1.2D-3D, more preferably 1.5D-2D.
Preferably, the polymer blend fiber (A) of the aromatic polyamide and polyarylsulfone (PAS) has 38mm-102mm length
Degree, more preferably preferably 38mm-76mm, 51mm-65mm.
Preferably, limited oxygen index of the heat-resistance and flame-retardant fiber (B) with 26 and the above, preferably more than 28, it is more excellent
Select more than 30.
Preferably, carbon of the heat-resistance and flame-retardant fiber (B) with more than 350 DEG C of carburizing temperature, preferably more than 400 DEG C
Change the carburizing temperature of temperature, more preferably more than 500 DEG C.
Preferably, after the heat-resistance and flame-retardant fiber (B) has 200 DEG C of processing 200h, more than 80% strength retention,
It is preferred that after 250 DEG C of processing 200h, more than 85% strength retention, after more preferably 300 DEG C handle 200h, more than 90% intensity
Conservation rate.
Preferably, the heat-resistance and flame-retardant fiber (B) has more than 3.5cN/dtex fracture strength, preferably has
More than 4.5cN/dtex fracture strength, the fracture strength more preferably with more than 5.5cN/dtex.
Preferably, the heat-resistance and flame-retardant fiber (B) is selected from aramid fibrid, polyimide fiber and its modification
Fiber, polyazole fiber, carbon fiber preoxided thread, and the fiber of their mixture.
Preferably, the aramid fibrid is selected from p -aromatic polyamide fiber, meta-aromatic polyamide
Fiber.
Preferably, the polyazole fiber is selected from polyazole fiber and is selected from Ju Fang oxadiazoles fibers (POD), polyparaphenylene's benzo two
Oxazole fiber (PBO), polypyridine and azoles, polyoxadiazoles, polybenzoxazole, and the fiber of their mixture.
Preferably, the polybenzoxazole is the mixing of polybenzimidazoles, polybenzothiozole, polybenzoxazole or above-mentioned substance
Thing.
Preferably, the conductive fiber is selected from metallic fiber, carbon fiber, carbon fiber/nylon composite fibre, carbon fiber/and washed
Synthetic fibre composite fibre.
Preferably, the carbon fiber/nylon composite fibre, carbon fiber/terylene composite fibre are skin-core structure.
The present invention relates to a kind of preparation method of above-mentioned yarn, methods described includes：
(i) fibre blend is formed, the fibre blend includes the aromatic polyamide and polyarylsulfone (PAS) of 30-70 parts by weight
Polymer blend fiber (A) and 30-70 parts by weight heat-resistance and flame-retardant fiber (B), the aromatic polyamide and polyarylsulfone (PAS)
Polymer blend fiber (A) be made by the polymer blend of aromatic polyamide and polyarylsulfone (PAS), the aromatic polyamide and
The polymer blend of polyarylsulfone (PAS) includes 40-98wt% aromatic polyamide, 2-60wt% polyarylsulfone (PAS), the aromatic series polyamides
Amine and polyarylsulfone (PAS) are mixing.
(ii) by the fibre blend spun yarn.
Preferably, the fibre blend includes the aromatic polyamide of 35-65 parts by weight and the blending polymerization of polyarylsulfone (PAS)
The heat-resistance and flame-retardant fiber (B) of fibres (A) 65-35 parts by weight.
Preferably, the fibre blend includes the aromatic polyamide of 40-60 parts by weight and the blending polymerization of polyarylsulfone (PAS)
The heat-resistance and flame-retardant fiber (B) of fibres (A) and 60-40 parts by weight.
Preferably, conductive fiber is also contained in the fibre blend.
Preferably, the content containing conductive fiber is by weight percentage fibre blend in the fibre blend
1-5%, preferably 2-4%, more preferably 2-3%.
The present invention relates to a kind of fabric, includes yarn of the present invention.
Preferably, the fabric weight is 150gsm-300gsm, preferably 150gsm-250gsm, more preferably 180-
220gsm。
Embodiment
The present invention can be more readily understood by the content referring to the application embodiment, but it is of the invention and unlimited
In specific method described herein and/or shown, condition or parameter, and term used herein is merely to citing
Mode describes embodiment, can not limit the claimed technical scheme of the application claim.Hereinafter, will retouch
State according to the present invention by being hindered made of the polymer blend fiber and heat-resistance and flame-retardant fiber of aromatic polyamide and polyarylsulfone (PAS)
Fire yarn and by its obtained fabric and clothes, and their preparation method.
The polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS) (A)
In the polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS) of the present invention, the aromatic polyamide and
The polymer blend of polyarylsulfone (PAS) includes 40-98wt% aromatic polyamide, 2-60wt% polyarylsulfone (PAS), the aromatic series polyamides
Amine and polyarylsulfone (PAS) are mixing.
Preferably, the aromatic polyamide is phenylene terepthalamide, mpd-i, polysulfones acyl
Amine, poly(p-benzamide).
Preferably, its strength retention soaked 5 hours at 85 DEG C in 10% NaOH solution is more than 70%, preferably
More than 80%, more preferably more than 85%.
Preferably, its intensity with more than 2.5cN/dtex, preferably 2.5-3.5cN/dtex, more preferably 2.8-3.2cN/
dtex。
Preferably, its glass transition temperature with more than 280 DEG C of glass transition temperature, preferably more than 300 DEG C, more preferably
More than 340 DEG C, most preferably more than 350 DEG C.
Preferably, it is long filament or short fibre.
The invention further relates to a kind of method for preparing the blended fiber based on aromatic polyamide and polyarylsulfone (PAS), including it is following
Step：
(i) by aromatic polyamide and the dissolving of polyarylsulfone (PAS) condensate in organic solvent, it is stirred, is configured to 5-
30wt% spinning solution；
(ii) spinning solution is spun into fiber.
Preferably, the organic solvent in step (i) is selected from 1-METHYLPYRROLIDONE (NMP), N, N- dimethylacetamides
Amine (DMAc), N,N-dimethylformamide (DMF), dimethyl sulfoxide, HMPA (HMPA), N, N, N ', N '-tetramethyl
One or more kinds of mixtures in urea (TMU).
Preferably, the weight ratio of the addition of aromatic polyamide and polyarylsulfone (PAS) is 50-98 in step (i)：2-50, preferably
60-95：5-40, more preferably 70-90：10-30, most preferably 80-85：15-20.
Preferably, the mass percent concentration of polymer is 5-30wt%, more preferably 10- in spinning solution in step (i)
22wt%, most preferably 12-20wt%.
Preferably, the step of preparing fiber in step (ii) includes：Spinning and it is frozen into silk, stretching, washing, drying, heat
Stretching, curling, cut-out.
Preferably, it is described to be frozen into the coagulating bath of a step comprising polar organic solvent, metal halide；Preferably,
The content of polar organic solvent is 40-70wt%, and the content of metal halide is 0-10wt%.
Preferably, stretch bath includes polar organic solvent, metal halide in the stretching step；Preferably, polarity has
The content of solvent is 5-65wt%, and the content of metal halide is 0-10wt%.
Preferably, the organic solvent in the coagulating bath and stretch bath can be independently selected from 1-METHYLPYRROLIDONE
(NMP), DMAC N,N' dimethyl acetamide (DMAc), N,N-dimethylformamide (DMF), dimethyl sulfoxide, HMPA
(HMPA), N, N, N ', one or more kinds of mixtures in N '-tetramethylurea (TMU), and the coagulating bath and the drawing
The polar organic solvent stretched in bath can be the same or different.
Preferably, the metal halide in the coagulating bath and stretch bath can be independently selected from calcium chloride, magnesium chloride, chlorine
Change one or more kinds of mixtures in aluminium, calcium bromide, magnesium bromide, aluminium bromide, and the coagulating bath and the stretch bath
In metal halide can be the same or different.
The polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS) of the present invention, possess permanent fire retardant and 250 degree
Good heat-resisting quantity performance, limited oxygen index reach 33, and burn no molten drop that is only carbonized, and has good pliability, and
Fibre section itself is in irregular oval type, and fiber surface has groove, considerably increases the hygroscopicity and hydrofuge of fiber, tool
There is good comfort property.Therefore, by the polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS) and other heat-resistant fireproofs
Fiber is used in mixed way, and can strengthen the comfortableness effect of material clothing, and keeps or lifted preferably fire-retardant thermal protective performance.
Heat-resistance and flame-retardant fiber (B)
The heat-resistance and flame-retardant fiber that the present invention uses, keeps basic fire resistance, limited oxygen index LOI values 26 with
On, with more than 250 DEG C long-term high temperature resistant grade (carburizing temperature of more than 350 DEG C of carburizing temperature, preferably more than 400 DEG C,
More preferably more than 500 DEG C of carburizing temperature；After having 200 DEG C of processing 200h, more than 80% strength retention, at preferably 250 DEG C
After managing 200h, more than 85% strength retention, after more preferably 300 DEG C handle 200h, more than 90% strength retention), by force
Degree is typically in more than 3.5cN/dtex, preferably more than 4.5cN/dtex intensity.
The heat-resistance and flame-retardant fiber (B) is selected from aramid fibrid, polyimide fiber and its modified fibre, gathered
Azoles fiber, carbon fiber preoxided thread, and the fiber of their mixture.Preferably, the aramid fibrid is selected from
Meta-aramid fiber, Para-aromatic Aramide Fibre.Preferably, the polyazole fiber is selected from Ju Fang oxadiazole fibers
(POD), polyparaphenylene's benzo dioxazole fiber (PBO), polypyridine and azoles, polyoxadiazoles, polybenzoxazole, and their mixing
The fiber of thing.Preferable polybenzoxazole is polybenzimidazoles, polybenzothiozole and polybenzoxazole.
A variety of different fibers can be used as heat-resistance and flame-retardant fiber (B).In some embodiments, aromatic polyamides
Fiber can be used as heat-resistance and flame-retardant fiber (B) in the blend.In some preferred embodiments, meta aromatics polyamides
Amine fiber or Para-aromatic Aramide Fibre can be used as heat-resistance and flame-retardant fiber (B) in the blend.So-called aromatics polyamides
Amine refers to the polyamide that wherein at least 85% acid amides (- CONH-) linker is directly connected with two aromatic rings.Meta aromatics polyamides
Amine is a kind of polyamide comprising meta configuration or meta orientation linker in polymer chain.Para-aramid is poly-
A kind of polyamide comprising para configuration or para-orientation linker in compound chain.Additive can be made together with aromatic polyamides
With, and it has in fact been found that up to 10 weight % other polymeric materials and aromatic polyamides can be blended, or can be used
Copolymer, other diamines of diamines of the copolymer with up to 10% replacement aromatic polyamides, or up to 10% replace
For other diacid chlorides of the diacid chloride of aromatic polyamides.In some embodiments it is preferred that meta-aramid fiber be
Poly- (mpd-i) (MPD-I), preferable Para-aromatic Aramide Fibre are poly- (paraphenylene terephthalamide's isophthalic two
Amine) (MPD-I).A variety of methods can be used to pass through dry-spinning or wet spinning to spin the fiber.
In some embodiments, polyazole fiber type can be used as heat-resistance and flame-retardant fiber (B) in the blend.Example
Such as, suitable polyazole includes autohemagglutination Fang oxadiazoles fiber (POD), polyparaphenylene's benzo dioxazole fiber (PBO), polypyridine simultaneously
Azoles, polyoxadiazoles, polybenzoxazole, and the fiber of their mixture, and its fibre-forming polymer can be homopolymer or be total to
Polymers.Additive can be used together with polyazole, and for up to 10 weight % other polymeric materials can be blended with the polyazole.
The copolymer of the other monomers of the monomer with up to 10% or more substitution polyazole also can be used.
In some embodiments it is preferred that polybenzoxazole be polybenzimidazoles, polybenzothiozole and polybenzoxazole.Such as
Polybenzoxazole described in fruit is polybenzimidazoles, then it is preferably poly- ([5,5 '-bis- -1H- benzimidazoles] -2,2 '-diyl -1,3-
Phenylene), it is referred to as PBI.If the polybenzoxazole is polybenzothiozole, it is preferably polyphenyl simultaneously double thiazole, and its
More preferably poly- (benzo [1,2-d：4,5-d '] double thiazole -2,6- diyl-Isosorbide-5-Nitrae-phenylene), it is referred to as PBT.It is if described poly-
Benzothiazole is polybenzoxazole, then it is preferably poly- benzo-dioxazole, and its more preferably poly- (benzo [1,2-d：4,5-d ']
Shuan oxazoles -2,6- diyl-Isosorbide-5-Nitrae-phenylene), it is referred to as PBO.
In some embodiments it is preferred that polypyridine and azoles be rigid rod polymer polypyridine and diazole, including poly- (pyridine
And diimidazole), it is poly- (pyrido dithiazole) and poly- (pyrido dioxa azoles).Preferable poly- (pyrido dioxa azoles) is poly-
(Isosorbide-5-Nitrae-(2,5- dihydroxy) phenylene -2,6- pyrido [2,3-d：5,6-d '] diimidazole, it is referred to as PIPD.
In some embodiments it is preferred that polyoxadiazoles include polyoxadiazole homopolymer and copolymer, wherein coupling official
Based on molal quantity at least 50% chemical unit is cyclic aromatic or heterocyclic aromatic ring element between rolling into a ball.
Conductive fiber (C)
In the other embodiment of the present invention, it is by weight percentage yarn weight that yarn of the invention, which also contains,
Measure 1-5%, more preferably preferably 2-4%, 2-3%, conductive fiber, the conductive fiber can reduce electrostatic and be gathered on fabric
Tendency.
Preferably, the conductive fiber is selected from metallic fiber, carbon fiber, carbon fiber/nylon composite fibre, carbon fiber/and washed
Synthetic fibre composite fibre.Preferably, the metallic fiber is selected from stainless steel fibre, silver fiber, copper fiber.
Preferably, the carbon fiber/nylon composite fibre, carbon fiber/terylene composite fibre are skin-core structure.It is excellent at some
In the embodiment of choosing, the fiber for assigning this antistatic characteristic is the sheath-core fibers for having nylon sheath and carbon core.
Carbon black composite conducting fiber of the present invention can be obtained commercially, as du pont company produces
P-140 fibers, the Belltron B31 fibers of Japanese Zhong Fang companies production, the Tai Meida meta-aramids of the calm and peaceful company's production in Yantai
Base conductive fiber.
Yarn
The present invention relates to a kind of yarn, and it includes the polymer blend fiber (A) of a kind of aromatic polyamide and polyarylsulfone (PAS)
With heat-resistance and flame-retardant fiber (B), the polymer blend fiber (A) of the aromatic polyamide and polyarylsulfone (PAS) is by aromatic polyamide
It is made with the polymer blend of polyarylsulfone (PAS), the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) includes 40-98wt%'s
Aromatic polyamide, 2-60wt% polyarylsulfone (PAS), the aromatic polyamide and polyarylsulfone (PAS) are mixing.
Preferably, the polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS) (A) and heat-resistant fireproof in the yarn
The weight ratio of fiber (B) is 30-70：70-30, preferably 35-65:65-35, more preferably 40-60:60-40.
Preferably, conductive fiber is also contained in the yarn.
Preferably, the content of the conductive fiber in the yarn is 1-5%, preferably 2-4% by weight percentage, more excellent
Select 2-3%.
In another embodiment, the present invention relates to the method for preparing flame-retardant yarn, methods described to include：
(i) fibre blend is formed, the fibre blend includes the aromatic polyamide and polyarylsulfone (PAS) of 30-70 parts by weight
Polymer blend fiber (A) and 30-70 parts by weight heat-resistance and flame-retardant fiber (B), the aromatic polyamide and polyarylsulfone (PAS)
Polymer blend fiber (A) be made by the polymer blend of aromatic polyamide and polyarylsulfone (PAS), the aromatic polyamide and
The polymer blend of polyarylsulfone (PAS) includes 40-98wt% aromatic polyamide, 2-60wt% polyarylsulfone (PAS), the aromatic series polyamides
Amine and polyarylsulfone (PAS) are mixing.And
(ii) fibre blend is spun into fiber.
In some preferred embodiments, the polymer blend fiber (A) of the aromatic polyamide and polyarylsulfone (PAS)
Content is 35 parts by weight to 65 parts by weight, and the content of heat-resistance and flame-retardant fiber (B) is 65 parts by weight to 35 parts by weight.At other
In further preferred embodiment, the content of the polymer blend fiber (A) of the aromatic polyamide and polyarylsulfone (PAS) is 40 weight
For part to 60 parts by weight, the content of heat-resistance and flame-retardant fiber (B) is 60 parts by weight to 40 parts by weight.
In one embodiment, the fibre blend can be formed by the way that the intimate blend of fiber is made.If
Need, other chopped fibers can be made to be combined with the relatively uniform short fibre mixture.The blending can be by known in the art
Many methods are placed on creel to realize, including by many continuous filament yarn spools, while cutting two or more species
The long filament of type with formed cutting chopped fiber blend method；Or be related to shredding difference chopped fiber bundle, then opener, altogether
Shredding and the method that various fibers are blended in mixed machine and carding machine；Or various staple fibres are formed, then it is processed further
Form the method that mixture forms fibre blend bar such as in carding machine.Can use prepare fibre compact concurrent mixture its
His method, as long as various types of different fibers can be relatively evenly distributed in whole blend.If by the blend
Yarn is formed, then the yarn equally has the mixture of relatively uniform chopped fiber.In general, in most preferred embodiment party
In case, single chopped fiber shredding or separation can be extremely made to the normal degree of available fabric in fiber process so that due to
Fiber knot or fiber section caused by the bad shredding of chopped fiber and other major defects are not to impair the amount of final fabric quality
In the presence of.
In a preferred method, intimate blend of staple fibers is made as follows：First by the chopped fiber tied derived from shredding with appointing
What his chopped fiber (if needed for additional function) mixes.Then fiber blends are combed into using carding machine
Bar.In fiber industry, fiber is separated usually using carding machine, adjusts fiber, and fiber is delivered to Loosely coupled fibre
In the continuous strand of dimension, and without notable winding, it is commonly known as the carded sliver.Generally through but not limited to two-step stretch method by the carded sliver
It is processed into ripe bar.
The fibre blend is made to the mode of yarn can use this area conventional technology.Such as use ability
Spun yarn line is made in chopped fiber RING SPINNING technique known to domain, and usual staple length takes cotton system in 38-51mm；
65mm-102mm takes woolen system spinning.Processing process is：Fiber packet capturing → hopper mixing → opener → hopper →
Feed cotton machine → carding machine → drafting → rove → spun yarn → winder → mixed yarn.Road weaving process after yarn is sent into.
According to the difference of process equipment, yarn of the present invention can use RING SPINNING, SEILE textile, compact spinning, match network
The modes such as formula compact spinning, air spinning, vortex spinning manufacture.
The present invention passes through the polymer blend fiber of mixed aromatic polyamide and polyarylsulfone (PAS) (A) and heat-resistance and flame-retardant fiber
(B) the advantages that, and optional conductive fiber, obtained yarn, has that high temperature resistant, intensity are high, and comfortable and easy to wear.
Fabric and product
The invention further relates to a kind of fabric derived from above-mentioned yarn.It is described to may include but be not limited to weave or be knitted fabric.
In general Fabric Design and construction are well known to those skilled in the art.Preferably, fabric weight of the invention is 150gsm-
300gsm, preferably 150gsm-250gsm, more preferably 180-220gsm.
So-called " weaving " fabric refers to that what is generally formed on loom (air-jet loom, water-jet loom, rapier loom etc.) is logical
Cross warp-wise or broadwise interwoven yarns, and make yarn fill each other or interweave with formed any fabric tissue (such as plain weave, tiltedly
Line, satin weave, Fang Ping, satin weave, jacquard weave etc.) fabric.It is believed that plain weave and twill weave are tissues most-often used in business, and it is
It is preferable in many embodiments.
The fabric that so-called " knitting " fabric refers to generally interconnect yarn coil by using pin and formed by large circle machine or
The processing of straight-bar machines equipment is made.The product specifically formed is also divided into the type of weft-knitted fabric and warp-knitted fabric..In many
In the case of, for knitting fabric is made, yarn is fed into yarn is transformed into the knitting machine of fabric.If desired, can be to pin
Plying or a plurality of warp or yarn do not pooled capital are provided in loom；Routine techniques is used, by a branch of yarn or a branch of folded yarn
Line is encased in knitting machine and is knitted into fabric simultaneously, or is directly knitted into clothing product such as gloves.In some embodiment party
In case, it is desirable to by by one or more spun yarns with fibre compact blend and other one or more short yarns or continuously
Filament yarn is fed simultaneously, so as to which feature be added in knitting fabric.Adjustable knitting tight ness rating is any specific to meet
Needs.Very effective group of protective clothes performance has been found that in such as single jersey and pile knit fabric decorative pattern
Close.
In some embodiments, yarn can be used for preparing, and there is comfortableness lifting, durability to improve, thermal protection guarantee
Flame protection clothes.In some embodiments, there is the clothes basic last layer to prevent as made from the yarn of the present invention
Protect fabric.Exemplary such clothes include the company's trousers shirt and coveralls of fire fighter or army personnel.Such suit is logical
It is usually used in covering on outside fire fighter's clothes, and some region is entered with fighting forest fire for parachute jumping.Other clothes
It may include the trousers that can be worn under such as chemical processing industry or industrial electric/electric power environmental that extreme incident heat may occur
Son, shirt, gloves, oversleeve etc..In some preferred embodiments, the fabric is with least (0.8 card is every square centimeter every
The arc resistance of every square yard of ounce.
Beneficial effects of the present invention
The present invention passes through the polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS) (A) and heat-resistance and flame-retardant fiber (B)
Mixing, improve the intensity and anti-wear performance of the polymer blend fiber (A) of aromatic polyamide and polyarylsulfone (PAS), meanwhile, profit
With the polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS) (A) surface groove structures feature, the suction of fabric is improved again
Wet warmth retention property and snugness of fit.
Meanwhile plant made of yarn of the invention, in such as fabric in fire-retardant afterflame smoldering time, carbon loss length, heat
Protect the index performance of TPP values etc. test excellent.
Method of testing
Limited oxygen index (LOI)：Minimum oxygen concentration in the oxygen and nitrogen mixture that are represented with percent by volume, in ASTM
Under the conditions of G125/D2863, the flaming combustion of the material under initial room-temperature can be just maintained.
Tensile break strength:With reference to GB/T 3923.1-2013 textile fabric tensile properties.
Tear fracture strength：With reference to GB/T 3917.2-2009 textile fabric tear properties.
Anti-wear performance：With reference to the measure of GB/T 21196.1-2007 textile Martindale's method fabric abrasion resistances
Moisture absorbing ＆ quick drying property：With reference to the evaluation of GBT 21655.1-2008 textile absorbing fast-dryings
Material TPP (thermal protective performance) value：The fire retardant protective clothing testing standards of NFPA 2112, surveyed using TPP thermal protective performances
Try instrument.One piece 6 square inches of cloth is positioned under the thermal convection current and radiant heat source that total energy density is 2cal/ (cm2*s),
Then record reaches the time needed for second degree burns, and TPP values (TTP valve) are the number for being multiplied by cal/ (cm2*s) times
Value.
Material thermal resistance value：GB/T 11048-2008 (surveying clo value, unit Crow col) textile physiological comfort stable state
Under the conditions of the measure of thermal resistance and dampness.The sample of certain area is put into thermal resistance tester, regulation brassboard surface temperature is
Tm is 35 DEG C, and weather room temperature Ta is 20 DEG C, is now 65% to humidity, air velocity Va is 1m/s, typically not greater than three minutes
A test value is recorded, test period at least 30min can reach stabilization (not including preheating time), and bag is according to thermal resistance formula Rct
=(Tm-Ta) A/ (H- △ Hc)-Rct0, wherein H is the heating power for being supplied to test panel, and △ Hc are power correction value,
Rct0 is standard sample thermal resistance.Thermal resistance value unit：K/m2·W.
Combustibility：GB/T 5455-1997,30cm*8cm sample is placed under defined burner and lighted, measuring gage
After determining burning time 12s, the afterflame of sample, smoldering time and char length (carbon length).
Embodiment and comparative example
The present invention can have the following example example, but be not limited to the following example.The experiment of following examples and comparative example
Data are listed in table 1.
Embodiment 1
Fibre weight ratio is：30% aromatic polyamide and the polymer blend fiber (A) of polyarylsulfone (PAS), 70% meta
Aromatic polyamide fibre (aramid fiber 1313), the scutching cotton blending bar that two kinds of fibers are prepared by conventional cotton system system equipment, then
40s spun yarns are spun into by ring spinning frame, pooled capital by buncher doubling, the 40s/2 twines with anti-flammability are made
As weaving filling yarn.True qualities plain weave fabric by air-jet loom weaving into grammes per square metre for 148g/m2.Then alkali is used
Fabric after washing is carried out jet dyeing by property dyestuff in overflow dye vat.Gained fabric weight is 152g/m2.
Embodiment 2
Fibre weight ratio is：40% aromatic polyamide and polymer blend fiber (A), 60% polyamides of polyarylsulfone (PAS)
Imine fiber, the scutching cotton blending bar that two kinds of fibers are prepared by conventional cotton system system equipment, then passes through SEILE textile Spinning Frame
Into 40s spun yarns, pooled capital by buncher doubling, the 40s/2 twines with anti-flammability are made as weaving warp yarns.Take same
Sample similar technique and blending ratio, 36s/2 is made as weaving weft yarn.True qualities by Shuttle Loom for Weaving into grammes per square metre 175g/m2
Plain cloth.Then the fabric after washing is subjected to jet dyeing in overflow dye vat using basic-dyeable fibre.Gained fabric weight
For 185g/m2.
Embodiment 3
Fibre weight ratio is：50% aromatic polyamide and the polymer blend fiber (A) of polyarylsulfone (PAS), 50% Ju Evil
Diazole fiber, the scutching cotton blending bar that two kinds of fibers are prepared by conventional cotton system system equipment, is then spun by compact spinning frame
Into 32s spun yarns, pooled capital by buncher doubling, the 32s/2 twines with anti-flammability are made as weaving warp yarns.Take same
Sample similar technique and blending ratio, 28s/2 is made as weaving weft yarn.True qualities by Shuttle Loom for Weaving into grammes per square metre 205g/m2
Twills.Then the fabric after washing is subjected to jet dyeing in overflow dye vat using basic-dyeable fibre.Gained fabric weight
For 212g/m2.
Embodiment 4
Fibre weight ratio is：60% aromatic polyamide and the polymer blend fiber (A) of polyarylsulfone (PAS), 40% contraposition
Aromatic polyamide fibre (Fanglun l414), the scutching cotton blending bar that two kinds of fibers are prepared by conventional cotton system system equipment, then
By air spinning Spinning Frame into 30s spun yarns, pooled capital by buncher doubling, the 30s/2 twines with anti-flammability are made
As weaving warp yarns.Same similar technique and blending ratio are taken, 24s/2 is made as weaving weft yarn.Pass through Shuttle Loom for Weaving
Into grammes per square metre 233g/m2 greige twill fabric.Then the fabric after washing is sprayed in overflow dye vat using basic-dyeable fibre
Penetrate dyeing.Gained fabric weight is 240g/m2.
Embodiment 5
Fibre weight ratio is：70% aromatic polyamide and polymer blend fiber (A), the 30%PBO of polyarylsulfone (PAS)
Fiber, the scutching cotton blending bar that two kinds of fibers are prepared by conventional cotton system system equipment, is then spun into 32s by ring spinning frame
Spun yarn, pooled capital by buncher doubling, the 32s/2 twines with anti-flammability are made as weaving warp yarns.Take same class
Like technique and blending ratio, 28s/2 is made as weaving weft yarn.Greige twill by Shuttle Loom for Weaving into grammes per square metre 205g/m2
Fabric.Then the fabric after washing is subjected to jet dyeing in overflow dye vat using basic-dyeable fibre.Gained fabric weight is
212g/m2。
Embodiment 6
Fibre weight ratio is：40% aromatic polyamide and the polymer blend fiber (A) of polyarylsulfone (PAS), 40% contraposition
Aromatic polyamide fibre (Fanglun l414), 20%PBI fibers, the scutching cotton that three kinds of fibers are prepared by conventional cotton system system equipment
Blending bar, 30s spun yarns are then spun into by ring spinning frame, are pooled capital by buncher doubling, be made with anti-flammability
30s/2 twines are as weaving warp yarns.Same similar technique and blending ratio are taken, 24s/2 is made as weaving weft yarn.By having
Greige twill fabric of the shuttle weaving into grammes per square metre 233g/m2.Then the fabric after washing is contaminated in overflow using basic-dyeable fibre
Jet dyeing is carried out in cylinder.Gained fabric weight is 240g/m2.
Embodiment 7
Fibre weight ratio is：50% aromatic polyamide and the polymer blend fiber (A) of polyarylsulfone (PAS), 30%
KERMEL fibers, 20%PBO fibers, the blending bar that three kinds of fibers are prepared by conventional woolen system equipment, then pass through ring ingot
Spinning Frame is spun into 24s spun yarns, is pooled capital by buncher doubling, the 24s/2 twines with anti-flammability is made as weaving
Warp thread.Same similar technique and blending ratio are taken, 20s/2 is made as weaving weft yarn.By Shuttle Loom for Weaving into grammes per square metre
263g/m2 greige twill fabric.Then the fabric after washing is subjected to jet dyeing in overflow dye vat using basic-dyeable fibre.
Gained fabric weight is 283g/m2.
Embodiment 8
Fibre weight ratio is：63% aromatic polyamide and the polymer blend fiber (A) of polyarylsulfone (PAS), 30% meta
Aramid fiber, 5% p-aramid fiber, 2% carbon conductive fibers, the scutching cotton blending that four kinds of fibers are prepared by conventional cotton system system equipment
Bar, 32s spun yarns are then spun into by ring spinning frame, pooled capital by buncher doubling, the 32s/2 with anti-flammability is made
Twine is as weaving warp yarns.Same similar technique and blending ratio are taken, 28s/2 is made as weaving weft yarn.By there is tatting
The woven greige twill fabric for causing grammes per square metre 205g/m2.Then use basic-dyeable fibre by the fabric after washing in overflow dye vat
Carry out jet dyeing.Gained fabric weight is 212g/m2.
Embodiment 9
Fibre weight ratio is：63% aromatic polyamide and the polymer blend fiber (A) of polyarylsulfone (PAS), 30% meta
Aramid fiber, 5% p-aramid fiber, 2% carbon conductive fibers, the scutching cotton blending that four kinds of fibers are prepared by conventional cotton system system equipment
Bar, 32s spun yarns are then spun into by ring spinning frame, the weft-knitted rib-loop that grammes per square metre is 200gsm is obtained by great circle machine equipment
The knitting fabric of institutional framework.
Embodiment 10
Fibre weight ratio is：60% aromatic polyamide and the polymer blend fiber (A) of polyarylsulfone (PAS), 40% contraposition
Aramid fiber, the scutching cotton blending bar that two kinds of fibers are prepared by conventional cotton system system equipment, is then spun by ring spinning frame
Into 20s spun yarns, the knitting fabric for the warp knit rib construction structure that grammes per square metre is 200gsm is obtained by straight-bar machines equipment.
Embodiment 11
Using the woven fabric in embodiment 1-8, by cutting, splicing, the flame protection disjunctor work of industrial garments is stitched into
Take, while the split type protective tooling including shirt, trousers can also be fabricated to, and related scarf, oversleeve, apron etc.
Part.
Embodiment 12
Using the woven fabric in embodiment 1-8, by cutting, splicing, anti-flammability three-layer composite structure fire-entry suit is prepared into
Outer fabric.Also include thermal insulation layer and fire-retardant comfortable internal layer.The thermal insulation layer has 80gsm grammes per square metre, and is answered with PTFE film
Close, composition is H fiber types and p-aramid fiber 70：The spunlace non-woven cloth of 30 blending.Fire-retardant comfortable internal layer is that H fiber types glue with fire-retardant
Glue fiber 50：50 blending, grammes per square metre are 120 grams of woven fabric.
Comparative example 1
The method for taking embodiment 8, fibre weight ratio, which is made, is：93% meta-aramid fibers, 5% p-aramid fiber, 2%
The 32s/2 yarns of carbon conductive fibers, 205gsm woven fabric is weaved into, then the fabric after washing is existed using basic-dyeable fibre
Jet dyeing is carried out in overflow dye vat.Gained fabric weight is 212g/m2.
Comparative example 2
The method for taking embodiment 3, fibre weight ratio, which is made, is：50% meta-aramid fibers, 50%POD fibers
32s/2 yarns, 205gsm woven fabric is weaved into, then entered the fabric after washing in overflow dye vat using basic-dyeable fibre
Row jet dyeing.Gained fabric weight is 212g/m2.
Comparative example 3
The method for taking embodiment 5, fibre weight ratio, which is made, is：70% para-aramid fiber, 30%PBO fibers
32s/2 yarns, 205gsm woven fabric is weaved into, then entered the fabric after washing in overflow dye vat using basic-dyeable fibre
Row jet dyeing.Gained fabric weight is 212g/m2.
Comparative example 4
The method for taking embodiment 5, fibre weight ratio, which is made, is：50% para-aramid fiber, 50%POD fibers
32s/2 yarns, 205gsm woven fabric is weaved into, then entered the fabric after washing in overflow dye vat using basic-dyeable fibre
Row jet dyeing.Gained fabric weight is 212g/m2.
Table 1
Claims (53)
1. a kind of yarn, it includes the polymer blend fiber (A) of a kind of aromatic polyamide and polyarylsulfone (PAS), and
Heat-resistance and flame-retardant fiber (B)；
40-98wt% aromatic polyamide is included in the polymer blend fiber (A) of the aromatic polyamide and polyarylsulfone (PAS),
2-60wt% polyarylsulfone (PAS), the aromatic polyamide and polyarylsulfone (PAS) are mixing；
The polymer blend fiber (A) of the aromatic polyamide and polyarylsulfone (PAS) soaks 5 in 10% NaOH solution at 85 DEG C
The strength retention of hour is more than 70%；
The preparation method of the blended fiber based on aromatic polyamide and polyarylsulfone (PAS) comprises the following steps：(i) by aromatic series
Polyamide and the dissolving of polyarylsulfone (PAS) condensate in organic solvent, are stirred, are configured to 5-30wt% spinning solution；(ii) will
The spinning solution is spun into fiber；
Also contain conductive fiber in the yarn.
2. yarn according to claim 1, the polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS) in the yarn
(A) and the weight ratio of heat-resistance and flame-retardant fiber (B) is 30-70：70-30.
3. yarn according to claim 1, the polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS) in the yarn
(A) and the weight ratio of heat-resistance and flame-retardant fiber (B) is 35-65:65-35.
4. yarn according to claim 1, the polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS) in the yarn
(A) and the weight ratio of heat-resistance and flame-retardant fiber (B) is 40-60:60-40.
5. yarn according to claim 1, the polymer blend fiber (A) of the aromatic polyamide and polyarylsulfone (PAS) exists
The strength retention soaked 5 hours at 85 DEG C in 10% NaOH solution is more than 80%.
6. yarn according to claim 1, the polymer blend fiber (A) of the aromatic polyamide and polyarylsulfone (PAS) exists
The strength retention soaked 5 hours at 85 DEG C in 10% NaOH solution is more than 85%.
7. yarn according to claim 1, the content of the conductive fiber in the yarn is 1- by weight percentage
5%.
8. yarn according to claim 1, the content of the conductive fiber in the yarn is 2- by weight percentage
4%.
9. yarn according to claim 1, the content of the conductive fiber in the yarn is 2- by weight percentage
3%.
10. according to the yarn described in claim any one of 1-9, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tie up in (A), the aromatic polyamide is phenylene terepthalamide, mpd-i, polysulfonamides, poly- to benzene
Formamide.
11. according to the yarn described in claim any one of 1-9, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A) has more than 2.5cN/dtex intensity.
12. according to the yarn described in claim any one of 1-9, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A) has 2.5-3.5cN/dtex intensity.
13. according to the yarn described in claim any one of 1-9, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A) has 2.8-3.2cN/dtex intensity.
14. according to the yarn described in claim any one of 1-9, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A) has more than 280 DEG C of glass transition temperature.
15. according to the yarn described in claim any one of 1-9, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A) has more than 300 DEG C of glass transition temperature.
16. according to the yarn described in claim any one of 1-9, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A) has more than 340 DEG C of glass transition temperature.
17. according to the yarn described in claim any one of 1-9, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A) has more than 350 DEG C of glass transition temperature.
18. according to the yarn described in claim any one of 1-9, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A) has 1D-5D fineness.
19. according to the yarn described in claim any one of 1-9, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A) has 1.2D-3D fineness.
20. according to the yarn described in claim any one of 1-9, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A) has 1.5D-2D fineness.
21. according to the yarn described in claim any one of 1-9, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A) has 38mm-102mm length.
22. according to the yarn described in claim any one of 1-9, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A) has 38mm-76mm length.
23. according to the yarn described in claim any one of 1-9, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A) has 51mm-65mm length.
24. according to the yarn described in claim any one of 1-9, the heat-resistance and flame-retardant fiber (B) has more than 26 limit
Oxygen index (OI).
25. according to the yarn described in claim any one of 1-9, the heat-resistance and flame-retardant fiber (B) has more than 28 limit
Oxygen index (OI).
26. according to the yarn described in claim any one of 1-9, the heat-resistance and flame-retardant fiber (B) has more than 30 limit
Oxygen index (OI).
27. according to the yarn described in claim any one of 1-9, the heat-resistance and flame-retardant fiber (B) has more than 350 DEG C of carbon
Change temperature.
28. according to the yarn described in claim any one of 1-9, the heat-resistance and flame-retardant fiber (B) has more than 400 DEG C of carbon
Change temperature.
29. according to the yarn described in claim any one of 1-9, the heat-resistance and flame-retardant fiber (B) has more than 500 DEG C of carbon
Change temperature.
30. according to the yarn described in claim any one of 1-9, the heat-resistance and flame-retardant fiber (B) has 200 DEG C of processing 200h
Afterwards, more than 80% strength retention.
31. according to the yarn described in claim any one of 1-9, the heat-resistance and flame-retardant fiber (B) has 250 DEG C of processing 200h
Afterwards, more than 85% strength retention.
32. according to the yarn described in claim any one of 1-9, the heat-resistance and flame-retardant fiber (B) has 300 DEG C of processing 200h
Afterwards, more than 90% strength retention.
33. according to the yarn described in claim any one of 1-9, the heat-resistance and flame-retardant fiber (B) have 3.5cN/dtex with
On fracture strength.
34. according to the yarn described in claim any one of 1-9, the heat-resistance and flame-retardant fiber (B) have 4.5cN/dtex with
On fracture strength.
35. according to the yarn described in claim any one of 1-9, the heat-resistance and flame-retardant fiber (B) have 5.5cN/dtex with
On fracture strength.
36. according to the yarn described in claim any one of 1-9, the heat-resistance and flame-retardant fiber (B) is selected from aromatic polyamide
Fiber, polyimide fiber and its modified fibre, polyazole fiber, carbon fiber preoxided thread, and the fiber of their mixture.
37. yarn according to claim 36, the aramid fibrid be selected from p -aromatic polyamide fiber,
Meta-aromatic polyamide fiber.
38. yarn according to claim 36, the polyazole fiber is selected from Ju Fang oxadiazole fibers selected from polyazole fiber
(POD), polyparaphenylene's Benzo-dioxazole fiber (PBO), polypyridine and azoles, polyoxadiazoles, polybenzoxazole, and their mixing
The fiber of thing.
39. according to the yarn described in claim any one of 1-9, it is fine that the conductive fiber is selected from metallic fiber, carbon fiber, carbon
Dimension/nylon composite fibre, carbon fiber/terylene composite fibre.
40. the yarn according to claim 39, the carbon fiber/nylon composite fibre, carbon fiber/terylene composite fibre are
Skin-core structure.
41. a kind of preparation method of yarn as claimed in claim 1, methods described include：
(i) fibre blend is formed, the fibre blend includes the aromatic polyamide of 30-70 parts by weight and being total to for polyarylsulfone (PAS)
The heat-resistance and flame-retardant fiber (B) of mixed polymer fiber (A) and 30-70 parts by weight, the aromatic polyamide and polyarylsulfone (PAS) are total to
Mixed polymer fiber (A) is made by the polymer blend of aromatic polyamide and polyarylsulfone (PAS), the aromatic polyamide and poly- virtue
The polymer blend of sulfone includes 40-98wt% aromatic polyamide, 2-60wt% polyarylsulfone (PAS), the aromatic polyamide and
Polyarylsulfone (PAS) is mixing；The preparation method of the blended fiber based on aromatic polyamide and polyarylsulfone (PAS) comprises the following steps：
(i) by aromatic polyamide and the dissolving of polyarylsulfone (PAS) condensate in organic solvent, it is stirred, is configured to 5-30wt% spinning
Solution；(ii) spinning solution is spun into fiber；
(iii) by the fibre blend spun yarn.
42. the preparation method of yarn according to claim 41, the fibre blend includes the fragrance of 35-65 parts by weight
The heat-resistance and flame-retardant fiber (B) of the polymer blend fiber of polyamide and polyarylsulfone (PAS) (A) 65-35 parts by weight.
43. the preparation method of yarn according to claim 41, the fibre blend includes the fragrance of 40-60 parts by weight
The heat-resistance and flame-retardant fiber (B) of the polymer blend fiber of polyamide and polyarylsulfone (PAS) (A) and 60-40 parts by weight.
44. the preparation method of yarn according to claim 41, also contain conductive fiber in the fibre blend.
45. the preparation method of yarn according to claim 44, the content containing conductive fiber in the fibre blend
It is the 1-5% of fibre blend by weight percentage.
46. the preparation method of yarn according to claim 44, the content containing conductive fiber in the fibre blend
It is the 2-4% of fibre blend by weight percentage.
47. the preparation method of yarn according to claim 44, the content containing conductive fiber in the fibre blend
It is the 2-3% of fibre blend by weight percentage.
48. a kind of fabric, include the yarn described in claim any one of 1-40.
49. fabric according to claim 48, the fabric weight is 150gsm-300gsm.
50. fabric according to claim 48, the fabric weight is 150gsm-250gsm.
51. fabric according to claim 48, the fabric weight is 180-220gsm.
A kind of 52. clothing item for including the yarn as described in claim any one of 1-40.
53. clothing item according to claim 52, the clothing item can be used as fire-entry suit, racing car clothes, army personnel
Clothes, industrial production personnel's clothes.
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| CN111364138A (en) * | 2020-03-11 | 2020-07-03 | 山东星宇手套有限公司 | Composite yarn for manufacturing high-temperature operation protective articles, preparation method and high-temperature operation protective gloves |
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| JP2005154919A (en) * | 2003-11-21 | 2005-06-16 | Toyobo Co Ltd | Polyphenylene sulfide-based filament heat-resistant fabric and method for producing the same |
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| CN103305962B (en) * | 2012-03-15 | 2016-12-14 | 上海杰事杰新材料(集团)股份有限公司 | A kind of High-temperature-ressemi-aromatic semi-aromatic polyamide superfine fiber and preparation method thereof |
| CN203354178U (en) * | 2013-05-23 | 2013-12-25 | 上海特安纶纤维有限公司 | Household blanket with high heat protection value |
| CN103361856B (en) * | 2013-08-05 | 2015-08-26 | 上海婉静纺织科技有限公司 | The BLENDED FABRIC of PSA fiber and anti-flaming viscose |
| CN104674405B (en) * | 2015-01-14 | 2018-01-05 | 上海特安纶纤维有限公司 | Blending type aramid fiber mixture and its product containing sulfuryl |
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