CN104630958B - Fabric made from the flame-retardant yarn of polymer blend fiber comprising aromatic polyamide and polyarylsulfone (PAS) and and preparation method - Google Patents
Fabric made from the flame-retardant yarn of polymer blend fiber comprising aromatic polyamide and polyarylsulfone (PAS) and and preparation method Download PDFInfo
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- CN104630958B CN104630958B CN201510079406.8A CN201510079406A CN104630958B CN 104630958 B CN104630958 B CN 104630958B CN 201510079406 A CN201510079406 A CN 201510079406A CN 104630958 B CN104630958 B CN 104630958B
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Abstract
The present invention relates to a kind of flame-retardant yarn of polymer blend fiber comprising 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 is included：High temperature resistant inherent fire-retardant fiber (A)；Conventional flame retardant fiber (B), the conventional flame retardant fiber is selected from fire-retardant nylon, flame-resistant terylene, flame-retardant acrylic fibre；Flame retardant cellulose fiber (C).Mainly application is prepared in permanent fire retardant, wear-resisting, comfort property good protection camouflage fabric and clothes to the yarn of the present invention.
Description
Technical field
The present invention relates to a kind of flame-retardant yarn of polymer blend fiber comprising aromatic polyamide and polyarylsulfone (PAS) and by
Its obtained fabric and clothes, and their preparation method.The present invention yarn mainly application be prepared in permanent fire retardant, it is resistance to
Mill, comfort property good protection camouflage fabric and clothes.
Background technology
Fire fighter, emergency response personnel, racing car personnel, army personnel, industrial production personnel are often exposed to flame
Or in high temperature, the protective garment or protective article that they need are in addition to needing with high temperature resistant and permanent fire retardant performance, also
Need with excellent anti-wear performance, simultaneously because the violent motion of human body and high temperature applicationss cause the amount of sweat of human body to arrange at double
Go out, also need to good comfortableness, penetrability, gas permeability for the fabric of such a occasion and eliminate the work(such as peculiar smell
Energy.
What is used currently used for the fabric or clothes of such use is mostly cotton or cotton with doing fire-retardant after other chemical fibre blending
The product of arrangement, has cotton easily mould, intensity difference, flame retardant effect is lasting, the defect such as heat resistanceheat resistant performance is not good.And washed using fire-retardant
The fibers such as synthetic fibre, nylon, due to molten drop phenomenon substantially, to produce secondary injury.What is used at present has high-temperature fibre (such as aromatics
Polyamide-based fiber, polyimide fiber and its modified fibre, polyazole fiber, carbon fiber preoxided thread etc.), it can solve permanent
The problem of fire-retardant and thermal protection, but deposited in terms of printing and dyeing property (such as dyeing dye uptake, dyeing color fastness and bright degree)
Contaminated on more difficult, dark color can not be contaminated, color fastness is low, and dye uptake is low, poor reproducibility, cost height (more than 250 DEG C of glass transition temperature,
Dyeing temperature is high) defect；In addition, wearing discomfort using above-mentioned high-temperature fibre, it also counteracts that above-mentioned high temperature resistant is fine
Tie up batch application of the product in above-mentioned field.
Polymer blend fiber comprising aromatic polyamide and polyarylsulfone (PAS) has sulfuryl, although glass transition temperature is than rod iron property
Fiber is high, but sulfuryl is easily painted.The fiber (nylon, terylene, acrylic fibers) of poor fire can reduce cost there is provided printing and dyeing property,
Viscose can provide comfortableness.
The content of the invention
The present invention relates to a kind of yarn, it includes a kind of aromatic polymer fiber (A) and heat-resistant fireproof containing sulfuryl
Fiber (B), the aromatic polymer fiber (A) containing sulfuryl is made by the aromatic polymer containing sulfuryl, described to contain sulfuryl
Aromatic polymer be polymerized by following three kinds of monomers：
The aromatic monomer (a) containing two amidos of meta；
In view of above-mentioned problem of the prior art, it is an object of the invention to provide a kind of fibre with excellent high temperature resistance performance
Dimension, and the yarn comprising such a fiber, fabric and product.The fiber with excellent high temperature resistance performance of the present invention is a kind of virtue
The polymer blend fiber of fragrant polyamide and polyarylsulfone (PAS), the fiber has higher glass transition temperature, excellent heat-resisting quantity
Can, simultaneously because there is sulfuryl on strand, make fiber easy dyeing.Fire resistance is added in the yarn simultaneously compared with aromatic series polyamides
Other fibers of the polymer blend fiber difference of amine and polyarylsulfone (PAS), such as nylon, terylene, acrylic fibers can reduce the cost of yarn；Separately
Outside, cellulose fibre is added in the yarn, can increase the snugness of fit of yarn.
The present invention relates to a kind of yarn, it is included：
High temperature resistant inherent fire-retardant fiber (A)；
Conventional flame retardant fiber (B), the conventional flame retardant fiber is selected from fire-retardant nylon, flame-resistant terylene, flame-retardant acrylic fibre；
Flame retardant cellulose fiber (C).
It is preferred that, the high temperature resistant inherent fire-retardant fiber (A) includes a kind of low-intensity high temperature resistant inherent fire-retardant fiber (A1)
With a kind of high-strength high temperature-resistant inherent fire-retardant fiber (A2), the intensity of the low-intensity high temperature resistant inherent fire-retardant fiber (A1) is less than
Equal to below 10cN/dtex, the intensity of the high-strength high temperature-resistant inherent fire-retardant fiber (A2) is more than 10cN/dtex.
It is preferred that, the glass transition temperature of the low-intensity high temperature resistant inherent fire-retardant fiber (A1) is more than 250 DEG C.
It is preferred that, the LOI values of the low-intensity high temperature resistant inherent fire-retardant fiber (A1) for more than 26, more preferably 33 with
On.
It is preferred that, the LOI values of the conventional flame retardant fiber (B) are more than 26.
It is preferred that, the fibrous fracture intensity of the conventional flame retardant fiber (B) is more than 4.5cN/dtex.
It is preferred that, it is, conventional containing high temperature resistant inherent fire-retardant fiber (A) 25wt%-45wt% in the yarn by weight
Fire resistance fibre (B) 20wt%-40wt%, flame retardant cellulose fiber (C) 15wt%-35wt%.
It is preferred that, contain low-intensity high temperature resistant inherent fire-retardant fiber (A1) 20wt%- in the yarn by weight
40wt%, high-strength high temperature-resistant inherent fire-retardant fiber (A2) 5wt%-25wt%, conventional flame retardant fiber (B) 20wt%-40wt%,
Flame retardant cellulose fiber (C) 15wt%-35wt%.
It is preferred that, conductive fiber is included in the yarn.
It is preferred that, the content of the conductive fiber in the yarn is 0.5-5%, more preferably preferably 1-4%, 2-3%.
It is preferred that, the low-intensity high temperature resistant inherent fire-retardant fiber (A1) is selected from the blending of aromatic polyamide and polyarylsulfone (PAS)
Polymer fiber (A11), meta-aromatic polyamide fiber (A12), polyoxadiazole fibers (A13), polyphenylene sulfide fibre
(A14), polyimide fiber (A15), or above-mentioned one or more kinds of fibers mixing.
It is preferred that, included in the polyoxadiazole fibers (A13) by the chemical unit of molal quantity 50% as cyclic aromatic or
Heterocyclic aromatic ring element；It is furthermore preferred that the polyoxadiazole fibers (A13) are Ju Fang oxadiazole fibers.
It is preferred that, the high-strength high temperature-resistant inherent fire-retardant fiber (A2) be selected from p -aromatic polyamide fiber (A21),
Polyparaphenylene's Benzo-dioxazole fiber (A22), carbon fiber (A23), or above-mentioned one or more kinds of fibers mixing.
It is preferred that, the polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS) by aromatic polyamide and
The polymer blend of polyarylsulfone (PAS) is made, and the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) includes 40-98wt% virtue
Fragrant polyamide, 2-60wt% polyarylsulfone (PAS), the aromatic polyamide and polyarylsulfone (PAS) are mixing.
It is preferred that, in the yarn, contain by weight, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tie up (A11) 70-30%, polyphenylene sulfide fibre (B) 30-70%；It is furthermore preferred that in the yarn, containing by weight, aromatic series
Polymer blend fiber (A11) 60-40% of polyamide and polyarylsulfone (PAS), polyphenylene sulfide fibre (B) 40-60%.
It is preferred that, in the polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS), the aromatic series polyamides
Amine is phenylene terepthalamide, mpd-i, polysulfonamides, poly(p-benzamide).
It is preferred that, in the polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS), its NaOH 10%
The strength retention soaked 5 hours at 85 DEG C in solution is more than 70%, preferably more than 80%, more preferably more than 85%.
It is preferred that, in the polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS), it has 2.5cN/
More than dtex intensity, preferably 2.5-3.5cN/dtex, more preferably 2.8-3.2cN/dtex.
It is preferred that, in the polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS), its have 280 DEG C with
On glass transition temperature, preferably more than 300 DEG C glass transition temperature, more preferably more than 340 DEG C, most preferably more than 350 DEG C.
It is preferred that, the fineness of the polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS) is 1.5D-5D.
It is preferred that, the length of the polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS) is 38mm-
102mm。
It is preferred that, the flame retardant cellulose fiber (C) is selected from native cellulose fibre and/or regenerated celulose fibre, its
Anti-flaming function is that can be obtained by Final finishing, or addition fire retardant is obtained in spinning process.
It is preferred that, the flame retardant cellulose fiber (C) is selected from FRC, flame-retardant cotton fiber, fire-retardant flaxen fiber.
It is preferred that, the conductive fiber is washed selected from metallic fiber, carbon fiber, carbon fiber/nylon composite fibre, carbon fiber/
Synthetic fibre composite fibre.
It is preferred that, the carbon fiber/nylon composite fibre, carbon fiber/terylene composite fibre are skin-core structure.
The invention further relates to a kind of preparation method of above-mentioned yarn, methods described includes：
(i) fibre blend is formed, the fibre blend includes high temperature resistant inherent fire-retardant fiber (A), and conventional flame retardant is fine
Tie up (B), flame retardant cellulose fiber (C)；And
(ii) by the fibre blend spun yarn；
The conventional flame retardant fiber is selected from fire-retardant nylon, flame-resistant terylene, flame-retardant acrylic fibre.
It is preferred that, the high temperature resistant inherent fire-retardant fiber (A) includes a kind of low-intensity high temperature resistant inherent fire-retardant fiber (A1)
With a kind of high-strength high temperature-resistant inherent fire-retardant fiber (A2), the intensity of the low-intensity high temperature resistant inherent fire-retardant fiber (A1) is less than
Equal to below 10cN/dtex, the intensity of the high-strength high temperature-resistant inherent fire-retardant fiber (A2) is more than 10cN/dtex.
It is preferred that, the glass transition temperature of the low-intensity high temperature resistant inherent fire-retardant fiber (A1) is more than 250 DEG C.
It is preferred that, the LOI values of the low-intensity high temperature resistant inherent fire-retardant fiber (A1) for more than 26, more preferably 33 with
On.
It is preferred that, it is, conventional containing high temperature resistant inherent fire-retardant fiber (A) 25wt%-45wt% in the yarn by weight
Fire resistance fibre (B) 20wt%-40wt%, flame retardant cellulose fiber (C) 15wt%-35wt%.
It is preferred that, contain low-intensity high temperature resistant inherent fire-retardant fiber (A1) 20wt%- in the yarn by weight
40wt%, high-strength high temperature-resistant inherent fire-retardant fiber (A2) 5wt%-25wt%, conventional flame retardant fiber (B) 20wt%-40wt%,
Flame retardant cellulose fiber (C) 15%-35wt%.
It is preferred that, conductive fiber is included in the yarn.
It is preferred that, the content of the conductive fiber in the yarn is 0.5-5%, more preferably preferably 1-4%, 2-3%.
It is preferred that, the low-intensity high temperature resistant inherent fire-retardant fiber (A1) is selected from the blending of aromatic polyamide and polyarylsulfone (PAS)
Polymer fiber (A11), meta-aromatic polyamide fiber (A12), polyoxadiazole fibers (A13), polyphenylene sulfide fibre
(A14), polyimide fiber (A15), or above-mentioned one or more kinds of fibers mixing.
It is preferred that, the high-strength high temperature-resistant inherent fire-retardant fiber (A2) be selected from p -aromatic polyamide fiber (A21),
Polyparaphenylene's Benzo-dioxazole fiber (A22), carbon fiber (A23), or above-mentioned one or more kinds of fibers mixing.
It is preferred that, the polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS) by aromatic polyamide and
The polymer blend of polyarylsulfone (PAS) is made, and the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) includes 40-98wt% virtue
Fragrant polyamide, 2-60wt% polyarylsulfone (PAS), the aromatic polyamide and polyarylsulfone (PAS) are mixing.
It is preferred that, in the yarn, contain by weight, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tie up (A11) 70-30%, polyphenylene sulfide fibre (B) 30-70%；It is furthermore preferred that in the yarn, containing by weight, aromatic series
Polymer blend fiber (A) 60-40% of polyamide and polyarylsulfone (PAS), polyphenylene sulfide fibre (B) 40-60%.
It is preferred that, in the polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS), the aromatic series polyamides
Amine is phenylene terepthalamide, mpd-i, polysulfonamides, poly(p-benzamide).
It is preferred that, in the polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS), its NaOH 10%
The strength retention soaked 5 hours at 85 DEG C in solution is more than 70%, preferably more than 80%, more preferably more than 85%.
It is preferred that, in the polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS), it has 2.5cN/
More than dtex intensity, preferably 2.5-3.5cN/dtex, more preferably 2.8-3.2cN/dtex.
It is preferred that, in the polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS), its have 280 DEG C with
On glass transition temperature, preferably more than 300 DEG C glass transition temperature, more preferably more than 340 DEG C, most preferably more than 350 DEG C.
It is preferred that, the fineness of the polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS) is 1.5D-5D.
It is preferred that, the length of the polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS) is 38mm-
102mm。
The invention further relates to a kind of fabric for including above-mentioned yarn.
It is preferred that, the fabric weight 150-350gsm, more preferably preferably 170-300gsm, 210-280gsm.
It is preferred that, the fabric is selected from woven fabric, knitted fabric.
The invention further relates to include the clothing item of above-mentioned yarn.
It is preferred that, the clothing item can be used as fire-entry suit, racing car clothes, army personnel's clothes, industrial production personnel's clothes.
Embodiment
The present invention can be more readily understood by the content referring to the application embodiment, but the present invention is not limited
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, it will retouch
State according to the flame-retardant yarn of the polymer blend fiber comprising aromatic polyamide and polyarylsulfone (PAS) of the invention and as made from it
Fabric and clothes, and their preparation method.
High temperature resistant inherent fire-retardant fiber (A)
High temperature resistant inherent fire-retardant fiber (A) of the present invention, refers to that fiber is special due to the molecular structure of fibre-forming polymer
Point, and per se with the performance of heat-resistant fireproof, high temperature resistant inherent fire-retardant fiber (A) is different from common nylon, terylene, acrylic fibers warp
Later arrange and obtain fire-retardant nylon, flame-resistant terylene, flame-retardant acrylic fibre.
High temperature resistant inherent fire-retardant fiber (A) employed in the yarn of the present invention is preferably by a kind of low-intensity high temperature resistant essence
Fire resistance fibre (A1) and a kind of high-strength high temperature-resistant inherent fire-retardant fiber (A2) composition.
It is preferred that, the intensity of the low-intensity high temperature resistant inherent fire-retardant fiber (A1) is less than or equal to below 10cN/dtex, glass
Glass temperature is more than 250 DEG C, and LOI values are more than 26, more preferably more than 33.
It is preferred that, the intensity of the high-strength high temperature-resistant inherent fire-retardant fiber (A2) is more than 10cN/dtex.
It is preferred that, the low-intensity high temperature resistant inherent fire-retardant fiber (A1) is selected from the blending of aromatic polyamide and polyarylsulfone (PAS)
Polymer fiber (A11), meta-aromatic polyamide fiber (A12), polyoxadiazole fibers (A13), polyphenylene sulfide fibre
(A14), polyimide fiber (A15), or above-mentioned one or more kinds of fibers mixing.
It is preferred that, the high-strength high temperature-resistant inherent fire-retardant fiber (A2) be selected from p -aromatic polyamide fiber (A21),
Polyparaphenylene's Benzo-dioxazole fiber (A22), carbon fiber (A23), or above-mentioned one or more kinds of fibers mixing.
The specific species to above-mentioned high temperature resistant inherent fire-retardant fiber (A) is described below.
The polymer blend fiber (A11) of aromatic polyamide and polyarylsulfone (PAS)
In the polymer blend fiber (A11) of aromatic polyamide and polyarylsulfone (PAS) of the present invention, the fragrant adoption
The polymer blend of acid amides and polyarylsulfone (PAS) includes 40-98wt% aromatic polyamide, 2-60wt% polyarylsulfone (PAS), the fragrance
Polyamide and polyarylsulfone (PAS) are mixing.
It is preferred that, the aromatic polyamide is phenylene terepthalamide, mpd-i, polysulfones acyl
Amine, poly(p-benzamide).
It is preferred that, 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%.
It is preferred that, it has more than 2.5cN/dtex intensity, more preferably preferably 2.5-3.5cN/dtex, 2.8-3.2cN/
dtex。
It is preferred that, it has the glass transition temperature of 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.
It is preferred that, 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, stirring mixing, is configured to 5-
30wt% spinning solution；
(ii) spinning solution is spun into fiber.
It is preferred that, 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).
It is preferred that, the weight ratio of the addition of aromatic polyamide and polyarylsulfone (PAS) in step (i) is 50-98：2-50, preferably
60-95：5-40, more preferably 70-90：10-30, most preferably 80-85：15-20.
It is preferred that, the mass percent concentration of polymer is 5-30wt%, more preferably 10- in spinning solution in step (i)
22wt%, most preferably 12-20wt%.
It is preferred that, the step of preparing fiber in step (ii) includes：Spinning and be frozen into silk, stretching, washing, drying, heat
Stretching, curling, cut-out.
It is preferred that, described be frozen into the coagulating bath of a step includes polar organic solvent, metal halide；It is preferred that,
The content of polar organic solvent is 40-70wt%, and the content of metal halide is 0-10wt%.
It is preferred that, stretch bath includes polar organic solvent, metal halide in the stretching step；It is preferred that, polarity has
The content of machine solvent is 5-65wt%, and the content of metal halide is 0-10wt%.
It is preferred that, 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.
It is preferred that, 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 length of the fiber, preferably in the range of 2-120mm, more preferably 38-102mm.Fibre length is less than 2mm
When, the complexing between fiber is not enough sometimes, causes insufficient strength, this is undesirable.And during more than 120mm, it some times happens that
Fiber detaching is bad, and this is also undesirable.
In addition, the filament denier of the Aromatic High-temperature Resistant Fibers containing sulfuryl, it is conceived to when fiber is combed or during acupuncture
It is difficult to cause the intensity of fiber fracture of wire, heat-resistant filter not reduce, preferably 0.1-15 denier, more preferably 1.5-5 denier.Namely
Say, when fiber number is less than 0.1 denier, fiber strength is low, therefore the intensity of fabric is deteriorated, and is undesirable.When fiber number is more than 15 denier,
Will be excessively thick due to fiber number, easily generation fiber number is irregular during throwing, lacks stability of spinning process, is also undesirable.
The polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS) of the present invention, possesses permanent fire retardant and 250 degree
Good heat-resisting quantity performance, limited oxygen index reaches 33, and burn no molten drop that is only carbonized, and with good pliability, and
Fibre section itself is in irregular oval type, and fiber surface has groove, considerably increases the hygroscopicity and hydrofuge of fiber, is had
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 is kept or the more preferable fire-retardant thermal protective performance of lifting.
Meta-aromatic polyamide fiber (A12)
Bit-type fully aromatic polyamide is between bit-type fully aromatic polyamide fiber between the stoste dyeing of the composition present invention
It is made up of a bit-type aromatic diamine composition and a bit-type aromatic dicarboxylic acid composition, is not damaging the scope of the object of the invention
It is interior, can also copolymerization have other copolymer compositions of paratype etc..
From the viewpoint of mechanical characteristic, heat resistance, anti-flammability, bit-type all aromatic between the stoste dyeing of the present invention is used as
The raw material of Fypro particularly preferably uses entirely fragrant by bit-type between principal component of mpd-i unit
Fragrant polyamide.
It is used as bit-type fully aromatic polyamide between being made up of mpd-i unit, a phenyl-diformyl isophthalic
Diamine unit is preferably 90 moles of more than % of whole repeat units, is more preferably 95 moles of more than %, particularly preferably
100 moles of %.
Bit-type fully aromatic polyamide between bit-type fully aromatic polyamide fiber between the stoste dyeing of the composition present invention
Manufacture method is not particularly limited, for example, can pass through bit-type aromatic diamine composition and a bit-type aromatic dicarboxylic acid by between
Chlorine component is manufactured as polymerisation in solution or interfacial polymerization of raw material etc..
Polyoxadiazole fibers (A13)
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.
In some embodiments, the polyoxadiazole fibers include poly (arylene ether) -1,3,4- oxadiazole polymers, poly- Asia
Aryl -1,2,4- oxadiazole polymers or their mixture.In some preferred embodiments, the polyoxadiazole is fine
Dimension includes polyparaphenylene -1,3,4- oxadiazole polymers.Suitable polyoxadiazole fibers are commercially entitled with extensive stock
Known to people, such as Oxalon, Arselon, Arselon-C and Arselon-S fiber.It is preferred that, the polyoxadiazole fibers
(A13) it is Ju Fang oxadiazole fibers.
Polyphenylene sulfide fibre (A14)
PPS in the present invention refers to containing structural formula (I) expression to diphenyl sulfides such as diphenyl sulfide unit, isophthalic thio-ether units
Unit as repeat unit polymer.
[structural formula (I)]
PPS can be homopolymer or with the copolymer to both diphenyl sulfide unit and isophthalic thio-ether units, as long as and
The purport of the present invention or copolymer or mixture with other fragrant family sulfides are not departed from.
As the PPS resin used in the present invention, from the viewpoint of heat resistance, durability, preferably use containing above-mentioned
Repeat unit shown in structure formula (I) to 70 moles of more than % of diphenyl sulfide unit, more preferably 90 moles more than %'s
PPS resin.In this case, other copolymer compositions in PPS resin are preferably isophthalic thio-ether units, other aromatic thioether lists
Member.
In addition, in the range of the effect of the present invention is not damaged, Nucleating Agent, delustering agent, face can be added in PPS resin
Material, mould inhibitor, antiseptic, fire retardant or hydrophilizing agent etc..
Polyimide fiber (A15)
In some embodiments, polyimides preferably is by monomeric unit pyromellitic acid anhydride (PMDA) and oxo hexichol
Amine
(ODA) formed and represented by having structure：
In another embodiment, polyimide fiber of the invention includes the full virtue of one or more more than 80 weight %
Adoption acid imide, the full aromatic polyimide of one or more more than 90 weight %, the one or more more than 95 weight % are complete
Aromatic polyimide, the full aromatic polyimide of one or more more than 99 weight %, more than 99.9 weight % one kind or many
Kind full aromatic polyimide, or 100 weight % the full aromatic polyimides of one or more.As used herein, term " full aromatics
Polyimides " refers specifically to wherein infrared absorbencies of the acid imide C-N at 1375cm-1 with aligning the C-H of substitution in 1500cm-1
The ratio of the infrared absorbency at place is more than on 0.51, and the main polymer chain of wherein at least 95% between adjacent phenyl rings because covalently
Key or ehter bond and the polyimides being bonded.
P -aromatic polyamide fiber (A21)
Contraposition aromatic polyamide of the present invention refers to equimolar ratio be entered by p-phenylenediamine and paraphthaloyl chloride
Homopolymer obtained by row polymerisation and other a small amount of diamines are combined and other dimethyl chlorides and to benzene on a small quantity with p-phenylenediamine
The copolymer of dimethyl chloride combination gained.As rule, the usage amount of other diamines and other dimethyl chlorides at most can be
About 10 moles of % of p-phenylenediamine or paraphthaloyl chloride, or may be slightly higher, precondition is only other diamines and two formyls
Active group of the chlorine without interference polymerisation.Para-aramid also refers to other aromatic diamines and other aromatic diacid chlorides
With reference to the copolymer of gained, for example, 2,6- naphthaloyl chlorides or chlorine paraphthaloyl chloride or dichloro paraphthaloyl chloride；Premise
Condition is that the amount that other aromatic diamines and aromatic diacid chlorides are present will not cause unfavorable shadow to the characteristic of para-aramid
Ring.It is preferred that para-aramid be PPTA homopolymer (PPD-T).
Additive can be used in fiber together with para-aramid, and it has been found that at most 10 weight %'s
Other polymeric materials can be blended with aromatic polyamides, or can be used (instead of aromatic polyamides containing 10% other diamines
Diamines) or 10% other dimethyl chlorides (dimethyl chloride that instead of aromatic polyamides) copolymer.
Polyparaphenylene's Benzo-dioxazole fiber (A22)
Polyparaphenylene's Benzo-dioxazole fiber (A22) of the present invention refers to by diamino resorcin hydrochlorate
(DAR) it is polymerized with terephthalic acid (TPA) (TPA) as raw material monomer.It is fine to polyparaphenylene's Benzo-dioxazole in the present invention
Dimension (A22) has no particular limits.
Conventional flame retardant fiber (B)
Conventional flame retardant fiber (B) of the present invention refers to ordinary chemical fiber, and such as nylon, terylene, acrylic fibers are by resistance
After combustion Final finishing, the obtained chemical fibre with flame-retardant nature.It is preferred that, the LOI values of the conventional flame retardant fiber (B) are
More than 26.It is preferred that, the fibrous fracture intensity of the conventional flame retardant fiber (B) is more than 4.5cN/dtex.
Flame retardant cellulose fiber (C)
Flame retardant cellulose fiber (C) of the present invention is selected from native cellulose fibre and/or regenerated celulose fibre,
Its anti-flaming function is that can be obtained by Final finishing, or addition fire retardant is obtained in spinning process.For example：Selected from anti-flaming viscose
Fiber, flame-retardant cotton fiber, fire-retardant flaxen fiber.
Conductive fiber (D)
In the other embodiment of the present invention, it is yarn weight by weight percentage that yarn of the invention, which also contains,
1-5% is measured, preferably 1-4%, more preferably 2-3% conductive fiber, the conductive fiber can reduce electrostatic and be gathered on fabric
Tendency.
It is preferred that, the conductive fiber is washed selected from metallic fiber, carbon fiber, carbon fiber/nylon composite fibre, carbon fiber/
Synthetic fibre composite fibre.It is preferred that, the metallic fiber be selected from stainless steel fibre, carbon steel fiber, cast fiber, copper fiber, aluminum fiber,
Nickel fiber, Aludirome fiber, high temperature alloy fiber.The form of the metallic fiber can be long fibre, chopped fiber, thick fibre
Dimension, fine fibre, steel wool, heterotypic fibre etc., suitable for the present invention.
It is preferred that, 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 with nylon sheath and carbon core.
Carbon black composite conducting fiber of the present invention can be obtained commercially, as du pont company is produced
P-140 fibers, the Belltron B31 fibers of Zhong Fang companies of Japan production, the Tai Meida meta-aramids of the calm and peaceful company's production in Yantai
Base conductive fiber.
Yarn
In embodiments of the invention, the yarn includes high temperature resistant inherent fire-retardant fiber (A), conventional flame retardant fiber
(B), flame retardant cellulose fiber (C)；The conventional flame retardant fiber is selected from fire-retardant nylon, flame-resistant terylene, flame-retardant acrylic fibre.More preferably
, the high temperature resistant inherent fire-retardant fiber (A) includes a kind of low-intensity high temperature resistant inherent fire-retardant fiber (A1) and a kind of high intensity
High temperature resistant inherent fire-retardant fiber (A2), the intensity of the low-intensity high temperature resistant inherent fire-retardant fiber (A1) is less than or equal to 10cN/
Below dtex, the intensity of the high-strength high temperature-resistant inherent fire-retardant fiber (A2) is more than 10cN/dtex.
In the yarn, low-intensity high temperature resistant inherent fire-retardant fiber (A1) can assign yarn excellent fire resistance；
High-strength high temperature-resistant inherent fire-retardant fiber (A2) while yarn excellent fire resistance is assigned, due to its have it is higher strong
Spend modulus and preferable high temperature dimensional stability, it is thus possible to be that yarn also has preferable high temperature dimensional stability；Conventional resistance
The production cost of yarn can also be reduced while yarn fire resistance is assigned by firing fiber (B)；Fire-retardant fibre is added in the yarn
Cellulose fiber can improve the snugness of fit of yarn.
The content of each component in yarn, it is preferred that, contains high temperature resistant inherent fire-retardant fiber in the yarn by weight
(A) 25wt%-45wt%, conventional flame retardant fiber (B) 20wt%-40wt%, flame retardant cellulose fiber (C) 15wt%-35wt%.
It is furthermore preferred that, it is high containing low-intensity high temperature resistant inherent fire-retardant fiber (A1) 20wt%-40wt%. in the yarn by weight
Intensity high temperature resistant inherent fire-retardant fiber (A2) 5wt%-25wt%, conventional flame retardant fiber (B) 20wt%-40wt%, fire resistance fibre
Cellulose fiber (C) 15wt%-35wt%.
Wherein, the content of low-intensity high temperature resistant inherent fire-retardant fiber (A1) in the yarn is preferably in more than 20wt%,
Below 30wt%.If the content being less than 20wt%, does not reach effective fire resistance, if more than 30wt%, can be to yarn
There is negative effect in printing and dyeing property and comfortableness.
The content of high-strength high temperature-resistant inherent fire-retardant fiber (A2) in the yarn is preferably 5wt%-15wt%, due to high-strength
Spending high temperature resistant inherent fire-retardant fiber (A2) has high-modulus, high shear resistance and low thermal contraction performance, and it burns in naked light
Room, is only carbonized and does not shrink substantially, and when its content in the yarn is more than 5wt%, yarn can keep whole when naked light burns
The dimensional stability of dignity material, forms good into carbon backbone structure, then has positive influence to the index of thermal protection.But
If the content of high-strength high temperature-resistant inherent fire-retardant fiber (A2) in the yarn is more than 15wt%, the fabric being consequently formed becomes easy hair
It is crisp, it is not flexible enough, tear properties are influenceed, while itself carries color, the alternative to yarn or plant printing and dyeing has necessarily
Limitation.
The content of conventional flame retardant fiber (B) in the yarn is preferably 20wt%-40wt%.The conventional flame retardant fiber (B)
When content in the yarn is higher than 20wt%, the anti-wear performance of fabric can be significantly improved, the pliability of fabric is also improved therewith,
There are positive influences to comfortable and mechanical property the durability of fabric, and be conventional chemical fibre due to playing basis, in printing and dyeing
Also relative maturity is facilitated aspect.But if above-mentioned content is more than 40wt%, the melting of this conventional flame retardant fiber at high temperature
Phenomenon can be adversely affected to the fire resistance of yarn, and the prevention for fire-spreading property is unfavorable.
The content of flame retardant cellulose fiber (C) in the yarn is preferably 15wt%-35wt%.The flame retardant cellulose fiber
(C) there is preferable hygroscopicity and dyeability, materials facility, the advantage being easily worked.Described in yarn, fire-retardant cellulose
When the ratio of fiber (C) and conventional flame retardant fiber (B) is more than 50%, yarn can have good dyeability and good hand
Sense.If the content of flame retardant cellulose fiber (C) is more than the content of conventional flame retardant fiber (B) in yarn simultaneously, fire-retardant cellulose is fine
Dimension (C) can reduce molten drop phenomenon of the conventional flame retardant fiber (B) in thermal environment so that finally fabric is good into carbon form,
Good dimensional stability at high temperature is kept, then the effect to thermal protection has positive influences.But, if being hindered in yarn
The content of cellulose fibre (C) is fired more than 35wt%, and it is understood to being adversely affected in the mechanical property and durability of yarn,
In another preferred embodiment of the present invention, conductive fiber is included in the yarn.It is preferred that, it is described to lead
The content of electric fiber in the yarn is 0.5-5%, more preferably preferably 1-4%, 2-3%.
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
Method of the long filament of type to form the blend of cutting chopped fiber；Or be related to the different chopped fiber bundle of shredding, then in 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 using 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, extremely the normal degree of available fabric can be made in single chopped fiber shredding or separation in fiber process so that due to
Fiber knot or fiber section that the bad shredding of chopped fiber is caused 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) is mixed.Then fiber blends are combed into using carding machine
Bar.In fiber industry, fiber is separated usually using carding machine, fiber is adjusted, 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 mode that the fibre blend is made into 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 be using RING SPINNING, SEILE textile, compact spinning, match network
The modes such as formula compact spinning, air spinning, vortex spinning are manufactured.
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.
General Fabric Design and construction is well known to those skilled in the art.It is preferred that, fabric weight of the invention is 150-
350gsm, preferably 170-300gsm, more preferably 210-280gsm.
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 yarn is filled each other or is interweaved with forming 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 most-often used tissues in business, and it is
It is preferred in many embodiments.
So-called " knitting " fabric refer to generally by using pin by yarn coil interconnect formed by fabric 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 that feature be added in knitting fabric.Adjustable knitting tight ness rating is any specific to meet
The need for.Very effective group of protective clothes performance is 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 improvement, thermal protection to ensure
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 fire fighter, racing car clothes, company's trousers shirt of army personnel and coveralls, industry
Work clothes of producers etc..Other clothes may include may occur such as chemical processing industry or industry of extreme incident heat
Trousers, shirt, gloves, the oversleeve that can be worn under electrically/electric power environmental etc..
Beneficial effects of the present invention
The present invention is by high temperature resistant inherent fire-retardant fiber (A), conventional flame retardant fiber (B), flame retardant cellulose fiber (C) it is mixed
Spin, form with high mechanical wear-resisting intensity, excellent high temperature resistance performance, good snugness of fit and printing and dyeing performance and low cost
High temperature resistant yarn.Fabric is in combustion testing simultaneously, and good into carbon form, fiber cooperative effect is obvious, hence it is evident that alleviate
The phenomenon of molten drop, Thermal Protective aspect of performance performance is more outstanding.
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 is tested：With reference to ASTM 3884-1992 fabric plain grinding performance tests.
Moisture absorbing ＆ quick drying property is tested：With reference to the evaluation of GBT 21655.1-2008 textile absorbing fast-dryings
Combustibility is tested：GB/T 5455-1997,30cm*8cm sample is placed under defined burner and lighted, is surveyed
Gauge is determined after burning time 12s, the afterflame of sample, smoldering time and char length (carbon length).
Material TPP value testing standards：The fire retardant protective clothing testing standards of NFPA 2112, tpp thermal protective performance testers
One piece 6 square inches of cloth is positioned over the thermal convection current and radiant heat source that total energy density is 2cal/ (cm2*s)
Under, then record reaches the time needed for second degree burns, and TPP values (TTP valve) are to be multiplied by cal/ (cm2*s) times
Numerical value.
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 of polyarylsulfone (PAS), 20% fire-retardant Buddhist nun
Dragon, 35% anti-flaming viscose, 15% Fanglun l414, the scutching cotton blending bar that four kinds of fibers are prepared by conventional cotton system system equipment, so
24s spun yarns are spun into by ring spinning frame afterwards, pooled capital by buncher doubling, the 24s/2 plying with anti-flammability is made
Line is used as weaving warp yarns.Same similar technique and blending ratio are taken, 20s/2 is made as weaving weft yarn.Weaved by jet plane
Into grammes per square metre 267g/m2 greige twill fabric.Fabric after washing carries out jet dyeing in overflow dye vat.The coloured finished product of gained
Fabric weight is 282g/m2.
Embodiment 2
Fibre weight ratio is：25% aromatic polyamide and the polymer blend fiber of polyarylsulfone (PAS), 30% fire-retardant Buddhist nun
Dragon, 35% anti-flaming viscose, 10% Fanglun l414, the scutching cotton blending bar that four kinds of fibers are prepared by conventional cotton system system equipment, so
30s spun yarns are spun into by compact spinning frame afterwards, pooled capital by buncher doubling, the 30s/2 plying with anti-flammability is made
Line is used as weaving warp yarns.Same similar technique and blending ratio are taken, 28s/2 is made as weaving weft yarn.Knitted by fly-shuttle loom
Cause grammes per square metre 203g/m2 greige twill fabric.Fabric after washing carries out jet dyeing in overflow dye vat.Gained it is coloured into
Product fabric weight is 210g/m2.
Embodiment 3
Fibre weight ratio is：20% aromatic polyamide and the polymer blend fiber of polyarylsulfone (PAS), 35% fire-retardant Buddhist nun
Dragon, 40% anti-flaming viscose, 5% Fanglun l414, the scutching cotton blending bar that four kinds of fibers are prepared by conventional cotton system system equipment, then
32s spun yarns are spun into by compact spinning frame, pooled capital by buncher doubling, the 32s/2 twines with anti-flammability are made
It is used as weaving warp yarns.By Shuttle Loom for Weaving into grammes per square metre 201g/m2 true qualities plain cloth.Fabric after washing contaminates in overflow
Jet dyeing is carried out in cylinder.The coloured finished textile product grammes per square metre of gained is 208g/m2.
Embodiment 4
Fibre weight ratio is：30% aramid fiber 1313,20% flame-resistant terylene, 35% anti-flaming viscose, 15% aramid fiber
1414, then the scutching cotton blending bar that four kinds of fibers are prepared by conventional cotton system system equipment is spun into 30s by ring spinning frame
Spun yarn, is pooled capital by buncher doubling, and the 30s/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.By Shuttle Loom for Weaving into grammes per square metre 218g/m2 greige twill
Twills.Fabric after washing carries out jet dyeing in overflow dye vat.The coloured finished textile product grammes per square metre of gained is 230g/m2.
Embodiment 5
Fibre weight ratio is：25% POD fibers, 30% fire-retardant nylon, 35% anti-flaming viscose, 10% Fanglun l414,
The scutching cotton blending bar that four kinds of fibers are prepared by conventional cotton system system equipment, is then spun into the short fibres of 30s by compact spinning frame
Yarn, is pooled capital by buncher doubling, and the 28s/2 twines with anti-flammability are made as weaving warp yarns.Take same similar work
Skill and blending ratio, are made 24s/2 as weaving weft yarn.By Shuttle Loom for Weaving into grammes per square metre 261g/m2 true qualities plain cloth.
Fabric after washing carries out jet dyeing in overflow dye vat.The coloured finished textile product grammes per square metre of gained is 273g/m2.
Embodiment 6
Fibre weight ratio is：20% polyimide fiber, 35% flame-resistant terylene, 40% anti-flaming viscose, 5%PBO, four
The scutching cotton blending bar that fiber is prepared by conventional cotton system system equipment is planted, 28s spun yarns are then spun into by compact spinning frame,
Pooled capital by buncher doubling, the 28s/2 twines with anti-flammability are made as weaving warp yarns.Take same similar technique and
Blending ratio, is made 24s/2 as weaving weft yarn.By Shuttle Loom for Weaving into fabric weight 227g/m2 greige twill fabric.
Fabric after washing carries out jet dyeing in overflow dye vat.The coloured finished textile product grammes per square metre of gained is 242g/m2.
Embodiment 7
Fibre weight ratio is：30% aromatic polyamide and the polymer blend fiber of polyarylsulfone (PAS), 20% fire-retardant Buddhist nun
Dragon, 35% anti-flaming viscose, 15% Fanglun l414, the scutching cotton blending bar that four kinds of fibers are prepared by conventional cotton system system equipment, so
30s spun yarns are spun into by ring spinning frame afterwards, it is 200g/m2's to take the processing of large circle machine knitting equipment that fabric weight is made
Two-sided rib construction knitted fabric.
Embodiment 8
Fibre weight ratio is：20% aromatic polyamide and the polymer blend fiber of polyarylsulfone (PAS), 30% fire-retardant Buddhist nun
Dragon, 40% anti-flaming viscose, 10% Fanglun l414, the scutching cotton blending bar that four kinds of fibers are prepared by conventional cotton system system equipment, so
Take the processing of straight-bar machines equipment that the knitting that fabric weight is 200g/m2 is made into 20s spun yarns by SEILE textile Spinning Frame afterwards
Thing.
Comparative example 1
The method for taking embodiment 2, fibre weight ratio, which is made, is：55% fire-retardant nylon, 35% anti-flaming viscose, 10% virtue
Synthetic fibre 1414, the 30s/2 twines with anti-flammability are used as weaving warp yarns.207gsm woven fabric is weaved into, knitting after washing
Thing carries out jet dyeing in overflow dye vat, and the coloured finished textile product grammes per square metre of gained is 215g/m2.
Comparative example 2
The method for taking embodiment 2, fibre weight ratio, which is made, is：80% retardant cotton, 20% Flame Vinylon, with fire-retardant
The 24s/2 twines of property are used as weaving warp yarns.268gsm woven fabric is weaved into, the fabric after washing enters in overflow dye vat
Row jet dyeing, the coloured finished textile product grammes per square metre of gained is 283g/m2.
Comparative example 3
The method for taking embodiment 2, fibre weight ratio, which is made, is：50% aramid fiber 1313,40% flame-resistant terylene, 10% virtue
Synthetic fibre 1414, the 26s/2 twines with anti-flammability are used as weaving warp yarns.237gsm woven fabric is weaved into, knitting after washing
Thing carries out jet dyeing in overflow dye vat, and the coloured finished textile product grammes per square metre of gained is 245g/m2.
Table 1
Claims (60)
1. a kind of yarn, it is included：
High temperature resistant inherent fire-retardant fiber (A), high temperature resistant inherent fire-retardant fiber (A) is fine comprising a kind of low-intensity high temperature resistant inherent flame retardant
Tie up (A1) and a kind of high-strength high temperature-resistant inherent fire-retardant fiber (A2), the low-intensity high temperature resistant inherent fire-retardant fiber (A1) it is strong
Degree is less than or equal to below 10cN/dtex, and the intensity of the high-strength high temperature-resistant inherent fire-retardant fiber (A2) is more than 10cN/
dtex；Conventional flame retardant fiber (B), the conventional flame retardant fiber is selected from fire-retardant nylon, flame-resistant terylene, flame-retardant acrylic fibre；
Flame retardant cellulose fiber (C)；
The low-intensity high temperature resistant inherent fire-retardant fiber (A1) is the polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS)
(A11)；
The polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS) by aromatic polyamide and polyarylsulfone (PAS) blending
Polymer, the polymer blend 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 polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS) soaks in 10% NaOH solution at 85 DEG C
The strength retention of 5 hours is more than 70%.
2. yarn according to claim 1, the polymer blend fiber (A11) 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%.
3. yarn according to claim 1, the polymer blend fiber (A11) 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%.
4. it is in the yarn according to claim any one of 1-3, the yarn by weight, fine containing high temperature resistant inherent flame retardant
Tie up (A) 25wt%-45wt%, conventional flame retardant fiber (B) 20wt%-40wt%, flame retardant cellulose fiber (C) 15wt%-
35wt%.
5. in the yarn according to claim any one of 1-3, the yarn by weight, containing low-intensity high temperature resistant essence
Fire resistance fibre (A1) 20wt%-40wt%, high-strength high temperature-resistant inherent fire-retardant fiber (A2) 5wt%-25wt%, conventional flame retardant are fine
Tie up (B) 20wt%-40wt%, flame retardant cellulose fiber (C) 15wt%-35wt%.
6. the yarn according to claim any one of 1-3, the glass of the low-intensity high temperature resistant inherent fire-retardant fiber (A1)
Change temperature more than 250 DEG C.
7. the yarn according to claim any one of 1-3, the LOI values of the low-intensity high temperature resistant inherent fire-retardant fiber (A1)
For more than 26.
8. the yarn according to claim any one of 1-3, the LOI values of the low-intensity high temperature resistant inherent fire-retardant fiber (A1)
For more than 33.
9. the yarn according to claim any one of 1-3, the LOI values of the conventional flame retardant fiber (B) are more than 26.
10. the yarn according to claim any one of 1-3, the fibrous fracture intensity of the conventional flame retardant fiber (B) is
4.5cN/dtex more than.
11. conductive fiber is included in the yarn according to claim any one of 1-3, the yarn.
12. yarn according to claim 11, the content of the conductive fiber in the yarn is 0.5-5%.
13. yarn according to claim 11, the content of the conductive fiber in the yarn is 1-4%.
14. yarn according to claim 11, the content of the conductive fiber in the yarn is 2-3%.
15. the yarn according to claim any one of 1-3, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tie up in (A11), the aromatic polyamide be phenylene terepthalamide or mpd-i or polysulfonamides or
Poly(p-benzamide).
16. the yarn according to claim any one of 1-3, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A11) has more than 2.5cN/dtex intensity.
17. the yarn according to claim any one of 1-3, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A11) has 2.5-3.5cN/dtex intensity.
18. the yarn according to claim any one of 1-3, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A11) has 2.8-3.2cN/dtex intensity.
19. the yarn according to claim any one of 1-3, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A11) has more than 280 DEG C of glass transition temperature.
20. the yarn according to claim any one of 1-3, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A11) has more than 300 DEG C of glass transition temperature.
21. the yarn according to claim any one of 1-3, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A11) has more than 340 DEG C of glass transition temperature.
22. the yarn according to claim any one of 1-3, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
Tieing up (A11) has more than 350 DEG C of glass transition temperature.
23. the yarn according to claim any one of 1-3, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
The fineness for tieing up (A11) is 1.5D-5D.
24. the yarn according to claim any one of 1-3, the polymer blend of the aromatic polyamide and polyarylsulfone (PAS) is fine
The length for tieing up (A11) is 38mm-102mm.
25. the yarn according to claim any one of 1-3, the high-strength high temperature-resistant inherent fire-retardant fiber (A2) is selected from pair
Position aromatic polyamide fibre (A21) or polyparaphenylene's Benzo-dioxazole fiber (A22) or carbon fiber (A23) or two kinds of above-mentioned fibres
The combination of dimension.
26. the yarn according to claim any one of 1-3, it is fine that the flame retardant cellulose fiber (C) is selected from native cellulose
Dimension and/or regenerated celulose fibre.
27. the yarn according to claim any one of 1-3, the anti-flaming function of the flame retardant cellulose fiber (C) passes through resistance
Fire Final finishing to obtain, or obtained by adding fire retardant to spinning solution in spinning process.
28. the yarn according to claim any one of 1-3, the flame retardant cellulose fiber (C) be selected from FRC,
Flame-retardant cotton fiber, fire-retardant flaxen fiber.
29. yarn according to claim 11, it is multiple that the conductive fiber is selected from metallic fiber, carbon fiber, carbon fiber/nylon
Condensating fiber, carbon fiber/terylene composite fibre.
30. yarn according to claim 29, the carbon fiber/nylon composite fibre, carbon fiber/terylene composite fibre are
Skin-core structure.
31. a kind of preparation method of the yarn as described in claim any one of 1-30, methods described includes：
(i) fibre blend is formed, the fibre blend includes high temperature resistant inherent fire-retardant fiber (A), conventional flame retardant fiber
(B), flame retardant cellulose fiber (C)；And
(ii) by the fibre blend spun yarn；
The conventional flame retardant fiber is selected from fire-retardant nylon, flame-resistant terylene, flame-retardant acrylic fibre；
The low-intensity high temperature resistant inherent fire-retardant fiber (A1) is the polymer blend fiber of aromatic polyamide and polyarylsulfone (PAS)
(A11)；
The polymer blend fiber (A11) of the aromatic polyamide and polyarylsulfone (PAS) by aromatic polyamide and polyarylsulfone (PAS) blending
Polymer, the polymer blend 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 aromatic polyamide and polyarylsulfone (PAS) are total to
The strength retention that mixed polymer fiber (A11) soaks 5 hours in 10% NaOH solution at 85 DEG C is more than 70%.
32. in the preparation method of yarn according to claim 31, the yarn by weight, contain high temperature resistant inherent flame retardant
Fiber (A) 25wt%-45wt%, conventional flame retardant fiber (B) 20wt%-40wt%, flame retardant cellulose fiber (C) 15wt%-
35wt%.
33. in the preparation method of yarn according to claim 31, the yarn by weight, containing low-intensity high temperature resistant sheet
Matter fire resistance fibre (A1) 20wt%-40wt%, high-strength high temperature-resistant inherent fire-retardant fiber (A2) 5wt%-25wt%, conventional flame retardant
Fiber (B) 20wt%-40wt%, flame retardant cellulose fiber (C) 15%-35wt%.
34. the preparation method according to claim any one of 31-33, the low-intensity high temperature resistant inherent fire-retardant fiber (A1)
Glass transition temperature more than 250 DEG C.
35. the preparation method according to claim any one of 31-33, the low-intensity high temperature resistant inherent fire-retardant fiber (A1)
LOI values be more than 26.
36. the preparation method according to claim any one of 31-33, the low-intensity high temperature resistant inherent fire-retardant fiber (A1)
LOI values be more than 33.
37. the preparation method according to claim any one of 31-33, the high-strength high temperature-resistant inherent fire-retardant fiber (A2)
Selected from p -aromatic polyamide fiber (A21) or polyparaphenylene's Benzo-dioxazole fiber (A22) or carbon fiber (A23) or two kinds
The combination of above-mentioned fiber.
38. conductive fiber is included in the preparation method according to claim any one of 31-33, the yarn.
39. the preparation method according to any one of claim 38, the content of the conductive fiber in the yarn is 0.5-
5%.
40. the preparation method according to any one of claim 38, the content of the conductive fiber in the yarn is 1-4%.
41. the preparation method according to any one of claim 38, the content of the conductive fiber in the yarn is 2-3%.
42. the preparation method according to claim any one of 31-33, the blending of the aromatic polyamide and polyarylsulfone (PAS) gathers
In compound fiber (A11), the aromatic polyamide is phenylene terepthalamide or mpd-i or polysulfones
Acid amides or poly(p-benzamide).
43. the preparation method according to claim any one of 31-33, the blending of the aromatic polyamide and polyarylsulfone (PAS) gathers
The strength retention that compound fiber (A11) soaks 5 hours in 10% NaOH solution at 85 DEG C is more than 70%.
44. the preparation method according to claim any one of 31-33, the blending of the aromatic polyamide and polyarylsulfone (PAS) gathers
The strength retention that compound fiber (A11) soaks 5 hours in 10% NaOH solution at 85 DEG C is more than 80%.
45. the preparation method according to claim any one of 31-33, the blending of the aromatic polyamide and polyarylsulfone (PAS) gathers
The strength retention that compound fiber (A11) soaks 5 hours in 10% NaOH solution at 85 DEG C is more than 85%.
46. the preparation method according to claim any one of 31-33, the blending of the aromatic polyamide and polyarylsulfone (PAS) gathers
Compound fiber (A11) has more than 2.5cN/dtex intensity.
47. the preparation method according to claim any one of 31-33, the blending of the aromatic polyamide and polyarylsulfone (PAS) gathers
Compound fiber (A11) has 2.5-3.5cN/dtex intensity.
48. the preparation method according to claim any one of 31-33, the blending of the aromatic polyamide and polyarylsulfone (PAS) gathers
Compound fiber (A11) has 2.8-3.2cN/dtex intensity.
49. the preparation method according to claim any one of 31-33, the blending of the aromatic polyamide and polyarylsulfone (PAS) gathers
Compound fiber (A11) has more than 280 DEG C of glass transition temperature.
50. the preparation method according to claim any one of 31-33, the blending of the aromatic polyamide and polyarylsulfone (PAS) gathers
Compound fiber (A11) has more than 300 DEG C of glass transition temperature.
51. the preparation method according to claim any one of 31-33, the blending of the aromatic polyamide and polyarylsulfone (PAS) gathers
Compound fiber (A11) has more than 340 DEG C.
52. the preparation method according to claim any one of 31-33, the blending of the aromatic polyamide and polyarylsulfone (PAS) gathers
Compound fiber (A11) has more than 350 DEG C.
53. the preparation method according to claim any one of 31-33, the blending of the aromatic polyamide and polyarylsulfone (PAS) gathers
The fineness of compound fiber (A11) is 1.5D-5D.
54. the preparation method according to claim any one of 31-33, the blending of the aromatic polyamide and polyarylsulfone (PAS) gathers
The length of compound fiber (A11) is 38mm-102mm.
55. a kind of fabric for including the yarn as described in claim any one of 1-30.
56. fabric according to claim 55, the fabric weight 150-350gsm.
57. fabric according to claim 55, the fabric weight 170-300gsm.
58. fabric according to claim 55, the fabric weight 210-280gsm.
59. include the clothing item of the yarn as described in claim any one of 1-30.
60. clothing item according to claim 59, the clothing item is used as fire-entry suit, racing car clothes, army personnel's clothes
Dress or industrial production personnel's clothes.
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| CN201510079406.8A CN104630958B (en) | 2015-02-13 | 2015-02-13 | Fabric made from the flame-retardant yarn of polymer blend fiber comprising aromatic polyamide and polyarylsulfone (PAS) and and preparation method |
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| CN201510079406.8A CN104630958B (en) | 2015-02-13 | 2015-02-13 | Fabric made from the flame-retardant yarn of polymer blend fiber comprising aromatic polyamide and polyarylsulfone (PAS) and and preparation method |
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| CN105926097B (en) * | 2016-06-22 | 2020-11-10 | 中劳安防护用品科技（北京）股份有限公司 | Flame retardant yarn/fabric/garment |
| CN108085830A (en) * | 2017-11-26 | 2018-05-29 | 新乡市护神特种织物有限公司 | A kind of high-strength fire-retarding antistatic fabric |
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| CN111979627B (en) * | 2020-05-12 | 2021-07-20 | 江苏百护纺织科技有限公司 | Flame-retardant yarn, fabric, garment and flame-retardant work garment |
| CN111850809A (en) * | 2020-07-28 | 2020-10-30 | 昆山久硕电子有限公司 | Preparation process of winding fiber of winding filter element |
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