CN105239253B - Durable flame-retardant cloth and preparation method thereof - Google Patents
Durable flame-retardant cloth and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a durable flame-retardant cloth and a preparation method thereof, and belongs to the fields of textile materials and flame-retardant materials. The durable flame-retardant cloth is prepared from, by weight, 10%-50% of long-stapled cotton fiber, 20%-70% of nylon 6 fibers and 20%-70% of polyphosphamide fibers. The method comprises the steps that 1, the raw materials of the long-stapled cotton fiber, the nylon 6 fibers and the polyphosphamide fibers are taken to be soaked in an ammonium salt solution of nano-montmorillonite for 6-24 hours; 2, the soaked long-stapled cotton fiber, nylon 6 fibers and polyphosphamide fibers are put into a combing machine to be combed, evenly mixed through a mixing machine and then spun into warp yarns and weft yarns with the count ranging from 20 to 110; 3, a cloth material obtained in the step 2 is soaked in a polyphosphamide solution to be soaked, dried and washed until no residue exists. According to the method, the nano-montmorillonite is permeated into the interior of the fibers, and polyphosphamide coagulated on the cloth surface under the high-temperature condition forms a stable flame-retardant protecting layer.
Description
Technical field
The present invention relates to a kind of Durable fire-retardant cloth and preparation method thereof, belongs to textile material and fire proofing field.
Project background
Workers In Hot Environment operating environment is severe, it is necessary to provide fire retardant protective clothing for it.Fire retardant protective clothing is grown due to it
Phase usability, does not require nothing more than higher lasting fire resistance, also to there is preferable snugness of fit.Du pont company early stage into
Work(have developed aromatic polyamide " Nomex " fiber, and its heat resistance is very good, and limited oxygen index is up to 29, although its limit oxygen
Index is not very high, but after it leaves burning things which may cause a fire disaster, self-extinguish and can not produce molten drop；Japanese Di Ren companies
Aromatic polyamide " Apyil " fiber that " Terjinconex ", You Nijika companies successfully develop, its limited oxygen index is reachable
29%～32%；Amoco Corp. of the U.S. disclosed a kind of daiamid composition in 1999, can reach flame retardant effect and
The incoagulable patent of invention with good anti-drop performance, Solutia Corp is also disclosed that with regard to polymer-bound non-halogen
Flame-retardant polymer prepare fiber, fabric there is anti-flammability.Other such as spandex fibre cloth, acrylic fiber cloth, Vinyon N
Fiber cloth, fire resistant viscose acetal fibre cloth, flame-resistant terylene cloth etc., this fiber has chance fire melting drippage, causes skin scald,
The effect of fire safety can not be reached.The cloth weaved using flame-retarding blended fibre, is to realize flame resistant woven processing method, Gao Xing
Can fiber and cotton carry out blending or blending carried out with cotton and fire-retardant chemical fibre preparing fire retardant again Jing flame-retardant after-finishings process class product
Mainly have：Acrylic fibers/Nomex, cotton/Nomex, cotton/Kevlar/Nomex, spandex/fire-retardant viscose, dacron cotton/terylene/nylon cloth
Flame retardant fabric is prepared through Final finishing；There is THPC to soak fire-retardant to cotton fiber a long time ago, there is cotton fiber
Certain anti-flaming function, but feel is poor, and water-wash resistance is poor, and after typically washing 5～8 times anti-flaming function is lost；The resistance of chemical fibre
Fire retardant is typically added surface by combustion, and this technology is only capable of realization and comes to the surface fire-retardant, and its product is a lot；To hinder nylon 6
Combustion, Beijing Institute of Technology Liu Ji equalitys are added to a kind of phosphonium flame retardant in PA6, and using melt spinning method, its addition is
2%～6%, PA6 can be made fire-retardant, its is water-fast to be washed till forever, but the fibrous mechanical property that this method is obtained is poor, exists serious
Melting drippage；Study a kind of polymeric phosphorus-containing flame retardant again later to mix with nano imvite, add in monomer, be polymerized
To flame-retardant anti-dropping PA6 fibers, melt spinning obtains the fiber of 3.1d and 3.5CN/tex, can reach permanent fire-retardant, thus makes
It is standby into cloth char length be 155.2mm, be held essentially constant after washing 50 times, drippage is not melted substantially；In addition, the summer
Prolong cause professor and also study the excellent fire resistant viscose acetal fibre of hand feel performance, industrialization at home；Professor Wang Yuzhong is also hindered chemical fibre
Combustion has been carried out widely studied, also has some to realize industrialization.By cotton and polyster fibre, aramid fiber by blending, Ke Yishi
Existing functional diversities, not only can reduce product price, can also improve the diversity of snugness of fit and color.With weaving
The development of technology, the development of flame retardant textiles gradually develops to blending field.Cotton/blend polyester Final finishing and cotton/aramid fiber
Blending becomes the main method for preparing flame retardant textiles.But traditional blending Final finishing technology uses fire retardant mostly degraded
Compound, fire resistance is remarkably decreased, service life is short, resistance to elevated temperatures after Long-Time Service poor durability, generally existing washing
The shortcomings of difference and low intensity, it is difficult to use as high-grade flame retardant products.Therefore, useful life longevity is good and cloth compatibility is good
Aggretion type flame retardant treating agent can effectively improve the quality of flame retardant fabric.
Low for flame retardant fabric heating temperature, highest refractory temperature can only achieve 260 DEG C, and produce the difficulties such as melting drippage
Topic.It is of the invention then be entirely different with above-mentioned these technical methods, original single fire-retardant deficiency had both been overcome, reach without melting
Drippage, realizes the characteristic of heatproof again, also unusual on the method for weaving of cloth, using 3 × 3 T-shaped weave, weaves into
The fire- resistance cloth of 260～280 DEG C of high temperature is resistant to, density is up to 200～360g/m2, cloth char length is 92.6mm～135.7mm
(after 50 times are washed), intensity is high-comfort good.
The content of the invention
The invention aims to solve flame retardant fabric present in traditional blending fire retardant and after-finishing flame resistant technique
Heating temperature is low, highest refractory temperature can only achieve 260 DEG C, and produce the difficult problems such as melting drippage, proposes a kind of Durable fire-retardant cloth
And preparation method thereof.
The core content of the present invention is that post-drying is soaked in nano imvite from long-staple cotton fiber and nylon fiber, will
Raw material after immersion is well mixed spinning with poly- phosphamide fiber, then is made into cloth；Cloth is washed to poly- phosphamide solution impregnation
It is dried after noresidue, reaches the effect of permanent fire retardant.
The purpose of the present invention is achieved through the following technical solutions.
A kind of Durable fire-retardant cloth, its mass percent composition is as follows：
Long-staple cotton fiber 10～50%；
Nylon 6 fiber 20～70%；
Poly- phosphamide fiber 20～70%；
A kind of preparation method of Durable fire-retardant cloth, comprises the following steps：
Step one, long-staple cotton fiber and nylon 6 fiber are taken, after being soaked 6～24 hours with the ammonium salt solution of nano imvite
Take out, dry for standby；
Step 2, the long-staple cotton fiber by after immersion, nylon 6 fiber and poly- phosphamide fiber, discongest in input breaker beater
And Jing after the machine of confusing is well mixed, it is spun into warp thread and the weft threads of 20～110；
4～12 warp yarns and 3～9 weft threads that step 3, use are spun into, are made into high-temperature-resistant cloth；
Step 4, by the cloth that obtains of weaving with 10%～30% poly- phosphamide and 70%～90% dimethyl carbonate
6～24 hours are soaked in composition soak, post-drying is taken out；Durable fire-retardant cloth is obtained after washing.
Ammonium salt solution described in step one consists of quaternary ammonium salt 20%～30%, nano organic montmorillonite 10%～20%,
Ethanol 10%～20%, water 30%～60%；The quaternary ammonium salt is in epoxy silicones quaternary ammonium salt, amido organosilicon quaternary ammonium salt
One or two；Soaking conditionses are 6～24h of immersion at 10～40 DEG C.
Warp thread described in step 2 is made up of 4～6 bursts of spun yarn doublings, and ultimate strength is 175.6cN～279.3cN, is ruptured
Intensity is 11.7cN/tex～21.2cN/tex；Weft yarn is made up of 3～7 bursts of spun yarn doublings, ultimate strength be 126.3cN～
187.4cN, fracture strength is 7.9cN/tex～13.5cN/tex；
Beneficial effect
1st, a kind of Durable fire-retardant cloth, 200～360g/m of specification2,, it is 39.7cN/ that its mechanical property is cross-breaking strength
Tex～55.63cN/tex, elongation at break is 41.6%～61.2%, and longitudinal fracture intensity is 36.6cN/tex～52.2cN/
tex；Soft texture, comfortableness is good, and antistatic property, tinctorial yield is excellent；
2nd, a kind of Durable fire-retardant cloth, 60min is kept without dripping off at a temperature of 260～280 DEG C；Vertical burn test afterflame
Time：0mm is not washed, rear 0mm is washed 5～10 times；Ignitor firing time：0mm is not washed, rear 0mm is washed 30～50 times；Char length：Do not wash
159mm～210mm, washes rear 161mm～212mm 30～50 times, can be used as high-grade fire prevention dress ornament Long-Time Service；
3rd, a kind of Durable fire-retardant cloth preparation method, production method is simple, automated production, it is easy to operate, and low cost can be real
Existing large-scale industrial production.
Specific embodiment
The present invention is elaborated with reference to embodiment.
Embodiment 1
40kg long-staple cotton fibers and 60kg nylon fibers are taken, is discongested in the reciprocating breaker beater of input HXF-1 types and Jing is confused
After machine is well mixed, in putting into the immersion cylinder of 500L, 300kg soaks are housed in immersion cylinder, soak is consisted of：By 66kg rings
The industrial alcohol of 45kg95% is added in oxygen organosilicon butyl ammonium and 39kg nano organic montmorillonites, is added after being uniformly dispersed
350kg running water；The cellulose being well mixed is put in soak, is soaked 12 hours at 30 DEG C, leaching is filtered off in filter press
Bubble liquid, mixes after being dried with the poly- phosphamide fibers of 230kg, feeds intake and discongests in the reciprocating breaker beater of HXF-1 types and Jing confuses machine
In be well mixed, enter people's spinning machine, spinned by normal spinning process, the yarn for obtaining carries out doubling, by 4 strands of 90 yarns
Doubling constitutes warp yarn, and the ultimate strength of Jing yarns is 196.2cN after doubling, and fracture strength is 13.2cN/tex；By 3 strands of 75 yarns
Doubling constitutes weft threads, and the ultimate strength of weft yarn is 131.7cN after doubling, and fracture strength is 8.6cN/tex；With 6 for being spun into
Root warp thread and 3 weft yarns, 3 × 3 T-shaped weave is made into cloth on WF-II type looms, and weaving process is using computer control；Will
The cloth being made into is immersed in poly- phosphinylidyne amine aqueous solution, poly- phosphamide soaking solution composition：15% poly- phosphamide and 85% carbonic acid diformazan
Ester, takes out hot-rolling and press dry after immersion 8h；Washing 3 times so as to noresidue, obtains 291.6g/m2Fire resistant cloth
1026.5m2, 60min is kept without dripping off at a temperature of 281 DEG C.It is 41.3cN/tex that its mechanical property is cross-breaking strength,
Elongation at break is 44.2%, and longitudinal fracture intensity is 40.1cN/tex；Oxygen index (OI) 36.1% before washing, oxygen refers to after washing 50 times
Number 35.5%；Vertical burn test after flame time：0mm is not washed, rear 0mm is washed 10 times；Ignitor firing time：0mm is not washed, after 50 times are washed
0mm；Char length：159mm is not washed, rear 161mm is washed 50 times.
Embodiment 2
20kg long-staple cotton fibers and 80kg nylon fibers are taken, is discongested in the reciprocating breaker beater of input HXF-1 types and Jing is confused
After machine is well mixed, in putting into the immersion cylinder of 800L, 350kg soaks are housed in immersion cylinder, soak is consisted of：By 40kg ammonia
The industrial alcohol of 50kg95% is added in base organosilicon tertiary amine and 30kg cetyl modified montmorillonoids, is added after being uniformly dispersed
400kg running water；The cellulose being well mixed is put in soak, is soaked 20 hours at 30 DEG C, leaching is filtered off in filter press
Bubble liquid, mixes after being dried with the poly- phosphamide fibers of 200kg, feeds intake and discongests in the reciprocating breaker beater of HXF-1 types and Jing confuses machine
In be well mixed, enter people's spinning machine, spinned by normal spinning process, the yarn for obtaining carries out doubling, by 6 strand of 110 yarn
Doubling constitutes warp yarn, and the ultimate strength of Jing yarns is 206.7cN after doubling, and fracture strength is 14.4cN/tex；By 5 strands of 95 yarns
Doubling constitutes weft threads, and the ultimate strength of weft yarn is 136.3cN after doubling, and fracture strength is 9.2cN/tex；With 8 for being spun into
Root warp thread and 5 weft yarns, 3 × 3 T-shaped weave is made into cloth on WF-II type looms, and weaving process is using computer control；Will
The cloth being made into is immersed in poly- phosphinylidyne amine aqueous solution, poly- phosphamide soaking solution composition：12% poly- phosphamide and 88% carbonic acid diformazan
Ester, takes out hot-rolling and press dry after immersion 16h；Washing 5 times so as to noresidue, obtains 283.1g/m2Fire resistant cloth 997m2,
60min is kept at a temperature of 273 DEG C without dripping off.Its mechanical property is that cross-breaking strength is 43.2cN/tex, extension at break
Rate is 57.3%, and longitudinal fracture intensity is 43.3cN/tex；Oxygen index (OI) 37.0% before washing, oxygen index (OI) after washing 30 times
36.2%；Vertical burn test after flame time：0mm is not washed, rear 0mm is washed 10 times；Ignitor firing time：0mm is not washed, rear 0mm is washed 50 times；
Char length：160mm is not washed, rear 161mm is washed 30 times.
Embodiment 3
10kg long-staple cotton fibers and 90kg nylon fibers are taken, is discongested in the reciprocating breaker beater of input HXF-1 types and Jing is confused
After machine is well mixed, in putting into the immersion cylinder of 800L, 350kg soaks are housed in immersion cylinder, soak is consisted of：By 35kg ammonia
The industrial alcohol of 60kg95% is added in base organosilicon tertiary amine and 35kg cetyl modified montmorillonoids, is added after being uniformly dispersed
470kg running water；The cellulose being well mixed is put in soak, is soaked 24 hours at 30 DEG C, leaching is filtered off in filter press
Bubble liquid, mixes after being dried with the poly- phosphamide fibers of 220kg, feeds intake and discongests in the reciprocating breaker beater of HXF-1 types and Jing confuses machine
In be well mixed, enter people's spinning machine, spinned by normal spinning process, the yarn for obtaining carries out doubling, by 4 strands of 95 yarns
Warp yarn is constituted with 1 burst of 110 yarn doubling, the ultimate strength of Jing yarns is 193.6cN after doubling, and fracture strength is 13.7cN/
tex；Weft threads is constituted by 2 strands of 85 yarns and 1 strand of 20 yarn and 1 burst of 60 yarn doubling, the ultimate strength of weft yarn is after doubling
131.1cN, fracture strength is 8.7cN/tex；With 8 warp thread and 5 weft yarns that are spun into, 3 × 3 on WF-II type looms
T-shaped weave be made into cloth, weaving process is using computer control；The cloth being made into is immersed in into poly- phosphinylidyne amine aqueous solution, poly- phosphamide leaching
Bubble solution composition：10% poly- phosphamide and 90% dimethyl carbonate, take out hot-rolling and press dry after immersion 24h；Washing 4 times so as to
Noresidue, obtains 271.5g/m2Fire resistant cloth 1039.2m2, 60min is kept without dripping off at a temperature of 280 DEG C.Its power
It is that cross-breaking strength is 41.7cN/tex to learn performance, and elongation at break is 63.7%, and longitudinal fracture intensity is 40.6cN/tex；
Oxygen index (OI) 35.9% before washing, oxygen index (OI) 35.3% after washing 30 times；Vertical burn test after flame time：0mm is not washed, is washed for 10 times
0mm afterwards；Ignitor firing time：0mm is not washed, rear 0mm is washed 50 times；Char length：179mm is not washed, rear 177mm is washed 30 times.
Claims (4)
1. a kind of preparation method of Durable fire-retardant cloth, it is characterised in that the raw material composition quality hundred that the Durable fire-retardant cloth is adopted
Point ratio is：
Long-staple cotton fiber 10～50%；
Nylon 6 fiber 20～70%；
Poly- phosphamide fiber 20～70%；
The preparation method is comprised the following steps：
Step one, long-staple cotton fiber and nylon 6 fiber are taken, with taking out after the ammonium salt solution immersion of nano imvite, dry for standby；
Step 2, the long-staple cotton fiber by after immersion, nylon 6 fiber and poly- phosphamide fiber, discongest and Jing in input breaker beater
After the machine of confusing is well mixed, into spinning machine warp thread and the weft yarn of 20～110 are spun into；
4～12 warp thread and 3～9 weft yarns that step 3, use are spun into, are made into high-temperature-resistant cloth on loom；
Step 4, the cloth for obtaining weaving are in the poly- phosphamide with 10%～30% and 70%～90% dimethyl carbonate group
Post-drying is taken out after soaking in soak；Durable fire-retardant cloth is obtained after washing；
Ammonium salt solution consists of quaternary ammonium salt 20%～30% wherein described in step one, nano organic montmorillonite 10%～20%,
Ethanol 10%～20%, water 30%～60%；
Warp thread is made up of 4～6 bursts of spun yarn doublings wherein described in step 2, and ultimate strength is 175.6cN～279.3cN, is ruptured
Intensity is 11.7cN/tex～21.2cN/tex；Weft yarn is made up of 3～7 bursts of spun yarn doublings, ultimate strength be 126.3cN～
187.4cN, fracture strength is 7.9cN/tex～13.5cN/tex.
2. the preparation method of a kind of Durable fire-retardant cloth according to claim 1, it is characterised in that：Season described in step one
Ammonium salt is one or two in epoxy silicones quaternary ammonium salt, amido organosilicon quaternary ammonium salt.
3. the preparation method of a kind of Durable fire-retardant cloth according to claim 1, it is characterised in that：With receiving described in step one
The ammonium salt solution soaking conditionses of rice montmorillonite are immersion 6～24 hours at 10～40 DEG C.
4. the preparation method of a kind of Durable fire-retardant cloth according to claim 1, it is characterised in that：The leaching in step 4
The time of bubble is 6～24 hours.
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| CN107723896A (en) * | 2017-10-31 | 2018-02-23 | 张家港市华阳针纺织品有限公司 | A kind of fabric for improving fire resistance |
| CN108842258B (en) * | 2018-07-05 | 2020-08-07 | 惠州市恒吉纺织品有限公司 | Flame-retardant fabric with comfort |
| CN109082879B (en) * | 2018-07-05 | 2020-12-04 | 惠州市恒吉纺织品有限公司 | Comfortable flame-retardant fabric and processing technology thereof |
| CN108823972A (en) * | 2018-07-11 | 2018-11-16 | 合肥铭佑高温技术有限公司 | A kind of preparation method of fireproof facing material |
| CN114892323B (en) * | 2022-06-20 | 2023-03-17 | 浙江蓝天海纺织服饰科技有限公司 | Washable carbonized film non-molten drop fabric |
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Denomination of invention: Durable flame-retardant cloth and preparation method thereof Effective date of registration: 20190709 Granted publication date: 20170510 Pledgee: Shanwei Branch of China Construction Bank Co., Ltd. Pledgor: MEILENSTEIN SHENZHEN GARMENTS CO., LTD. Registration number: 2019990000697 |
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