CN108951117A - A kind of method of modifying of nylon fabric - Google Patents
A kind of method of modifying of nylon fabric Download PDFInfo
- Publication number
- CN108951117A CN108951117A CN201810923056.2A CN201810923056A CN108951117A CN 108951117 A CN108951117 A CN 108951117A CN 201810923056 A CN201810923056 A CN 201810923056A CN 108951117 A CN108951117 A CN 108951117A
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- nylon fabric
- treatment
- modifying
- deep
- subzero
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/58—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The present invention relates to a kind of method of modifying of nylon fabric, comprising: the nylon fabric after moisture absorption is placed in the deep cold treatment apparatus with deep cooling medium, it is closed, and subzero treatment is carried out, returns and warms to room temperature to get modified nylon fabric.The present invention can propose the comprehensive performance of nylon fabric, comprising: tensile strength, wearability, with the interfacial adhesion performance of polymer etc..The present invention is conducive to expand the application range of nylon fabric, prolongs the service life；Process is simple and convenient to operate, and reduces the production cost of modified technique, has certain practical significance and good prospects for commercial application.
Description
Technical field
The invention belongs to the preparation field of modified fibre, in particular to a kind of method of modifying of nylon fabric.
Background technique
Nylon fibre is also referred to as nylon fiber, is nylon material to be pulled into very thin fiber.The scientific name of nylon is called poly-
Amide is widely used engineering plastics.It is different according to the material of nylon, it can be common that polyamide fibre 6 and polyamide fibre 66, that is, use Buddhist nun
The fiber that dragon 6 and nylon66 fiber are made into.For polyamide fiber fabric with its excellent wearability title, it is not only down jackets, anorak
The optimal selection of dress material, and often with other fiber blends or intertexture, to improve the intensity and fastness of fabric.Nylon fabric
Wear-resisting property occupies first of each kind fabric, much higher times of fabrics more other than similar product, therefore is often used as wear-resistant fabric material
Material.Nylon fabric category light fabric, is only listed in after polypropylene fibre, acrylic fabric in synthetic fabrics, and therefore, suitable production is stepped on
Mountain clothes, water clothes etc..In recent years, surface of nylon fabric also normal coated polymer coating, is widely applied as engineering with material
In the building materials such as film and sail cloth.Therefore, the wear-resisting property of nylon fabric and the longevity is used for the adhesion property of polymer
It orders very crucial.In the prior art, the adhesion property of nylon fabric and polymer need to be improved.
Subzero treatment is also known as super low temperature, it is the extension of conventional cold treatment.Cryogenic treatment process is generally considered to be
Using liquid nitrogen as deep cooling medium, by treated sample in certain container, different materials presses its specific temperature lowering curve,
Rate of temperature fall is controlled, sample is slowly dropped into liquid nitrogen temperature, held for some time, then press heating curve, is slowly raised to room temperature
Treatment process.This technique is mainly used for ferrous material and its alloy, and nonferrous materials and its alloy etc. can make gold
Category tool abrasive wear resistant weld deposit, corrosion and wear resistance, reduce internal stress and improve material in terms of all show one
Determine the improvement of degree.
So far, cryogenic treatment process is applied in the modification of nylon fabric, is had not been reported.
Summary of the invention
It is easy to operate the object of the present invention is to provide a kind of method of modifying of nylon fabric, it is possible to increase nylon fabric is thick
Rugosity, and then improve its Optical instrument between resin matrix interface, improve nylon fabric comprehensive performance.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of method of modifying of nylon fabric, will treated that nylon fabric is placed in deep cooling medium by moisture absorption
It is closed in deep cold treatment apparatus, subzero treatment is carried out, slowly returns and warms to room temperature, heat preservation a period of time knits to get modified nylon
Object；
The wherein technological parameter of subzero treatment are as follows: cooling rate is 0.5 DEG C/min-10 DEG C/min, and treatment temperature is constant temperature
Subzero 90 DEG C to subzero 200 DEG C, the processing time is 1h-15h, circular treatment 1-10 times.
The deep cooling medium is liquid nitrogen.
The moisture absorption processing are as follows: the nylon fabric is placed in the relative humidity of 70%-100% and carries out resurgence 8-12
Hour.
The nylon fabric carries out stretch processing, the stretch processing are as follows: knit the polyamide fibre before the moisture absorption is handled
Object stretches 0.05%-0.5%.
The cooling of the nylon fabric and the process of rising again are to pass through in the deep cooling box for be placed in the deep cold treatment apparatus
Process control is cooled down or is risen again.
The cooling or the speed risen again are 1 DEG C/min-10 DEG C/min.
The subzero treatment is carried out by the way of circular treatment, the Deep Cryogenic Treatment recycled every time is identical or different.
The cycle-index of the circular treatment is 1-10 times.
After adopting the above scheme, the present invention passes through the comprehensive performance of subzero treatment modified nylon fabric, including nylon fabric
Interfacial combined function, tensile property, abrasion resistance properties of resin etc..
Subzero treatment is equal to super low temperature, refers to for object processed being placed in specific, controllable low temperature environment
In, so that the heterogeneous microstructure of its material is generated variation, to reach raising or improve a kind of method of material property.
Nylon fabric slow cooling is placed in subzero 90 DEG C and is handled into subzero 200 DEG C of deep cooling medium by the present invention
Certain time, and slowly rising again, and according to requiring to carry out circular treatment.Heat preservation a period of time after having handled.Slow cooling and return
Temperature can be such that fibrous material structure slowly deforms, and not generate structural failure；Modified effect can be enhanced in circular treatment.Meanwhile it inhaling
The macromolecular chain in polyamide fibre after wet is easier to readjust.
Further, nylon fabric is subjected to stretch processing, feelings of the nylon fabric in moisture absorption and stretching before moisture absorption is handled
Under condition, subzero treatment can make polyamide fibre strand generate better rearrangement effect, realize more obvious performance boost.
The present invention being capable of the permanent tensile strength for improving nylon fabric, interfacial adhesion performance and wearability.Tensile strength
With the raising of wear-resisting property, it is conducive to extend service life of the nylon fabric in netting material；The raising of interfacial adhesion performance
The cementability between nylon fabric and resin matrix interface can be enhanced, the stress of composite inner is enable to uniformly transfer, with
Meets the needs of high-performance nylon fabric reinforced resin composite material.Present invention process method is simple and convenient to operate, and is reduced and is changed
The production cost of property technique, in terms of aerospace, ocean goods, materials and equipments, various tensional elements, sport, security protection, composite material,
Various industries have extensive use.
The cryogenics application used in the present invention is absorbed heat using its phase transformation (gasification) usually using liquid nitrogen as cold source to obtain
Obtain low temperature environment.Nitrogen is one of the main composition in atmosphere, non-toxic and tasteless, thus cryogenics application to environment without
Evil, belongs to green manufacture technology scope.
In conclusion the present invention due to use subzero treatment, can improve nylon fabric abrasion resistance properties and stretching
Under the premise of performance, while significantly improving the adhesive property of nylon fabric and resin matrix, is remarkably improved nylon fabric increasing
The overall mechanical properties of strong resin composite materials, and process is simple and convenient to operate, and reduces the production cost of modified technique,
With significant economic benefit and social benefit, possess good prospects for commercial application.
And have the prior art, the invention has the following beneficial effects:
(1) nylon fabric through subzero treatment has more excellent comprehensive mechanical property in the present invention, can meet difference
Application demand in field, while improving the service life of nylon fabric material；
(2) the nylon fabric crocking resistance in the present invention through subzero treatment and tensile property are significantly improved, sufficiently
The potentiality of nylon fabric material are excavated；
(3) nylon fabric is roughened through subzero treatment rear surface in the present invention, while showing can increase and resin matrix
Contact area also increase, be conducive to nylon fabric and resin form good adhesive interface, improve polymeric coated fabric
Comprehensive performance；
(4) cryogenic treatment process process of the invention and deep cold treatment apparatus structure are simple, with other modification process
It compares, more energy saving and production cost, there is good development prospect；
(5) subzero treatment technology of the present invention is absorbed heat low to obtain using liquid nitrogen as cold source using its phase transformation (gasification)
It is warm environment, non-toxic and tasteless, environmental-friendly, belong to green manufacture technology scope.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
In the present invention, the nylon fabric being previously mentioned is in strand containing the imido high-performance fiber of virtue.
A kind of method of modifying of nylon fabric of the invention, will by moisture absorption treated nylon fabric is placed in have it is deep
It is closed in the deep cold treatment apparatus of cold medium, subzero treatment is carried out, slowly returns and warms to room temperature, heat preservation a period of time is to get modification
Nylon fabric；
The wherein technological parameter of subzero treatment are as follows: cooling rate is 0.5 DEG C/min-10 DEG C/min, treatment temperature (cold insulation temperature
Degree) it is subzero 90 DEG C to subzero 200 DEG C of constant temperature, processing time (cold insulation time) is 1h-15h, circular treatment 1-10 times.
Embodiment 1
Clean nylon fabric (is purchased from the new limited public affairs of plumage synthetic fibre textile in Guangzhou by a kind of method of modifying of nylon fabric
Department) it is placed in deep cold treatment apparatus (SLX-30).The container of deep cold treatment apparatus is covered tightly, in order to avoid in deep cold treatment apparatus
Low temperature liquid nitrogen leakage, influences temperature controlled accuracy and treatment effect, at the Deep Cryogenic Treatment table setting deep cooling in table 1
Manage parameter.
Before carrying out subzero treatment, stretch processing first is carried out to nylon fabric and moisture absorption is handled, specifically, stretch processing are as follows:
Nylon fabric is wrapped on stereoplasm frame, certain tensile stress is given, is deformed 0.1% or so；Moisture absorption processing are as follows: will draw
Nylon fabric after stretching, which is put into the environment of relative humidity 80%, carries out moisture absorption resurgence 12 hours.
By stretched processing and moisture absorption, treated that nylon fabric is put into deep cold treatment apparatus according to deep shown in table 1
Cold treatment parameter carries out subzero treatment and warming up treatment.
1 Deep Cryogenic Treatment table of table
After subzero treatment, the nylon fabric of subzero treatment is taken out, i.e. completion modification process.The present embodiment
In, by subzero treatment, the tensile strength of nylon fabric improves 10-15%, improves 10-20% with polymer-bonded performance, resistance to
Mill property improves 20-35%.
Embodiment 2
A kind of method of modifying of nylon fabric puts clean nylon fabric (Guangzhou Xin Yulun Fabritex S.r.l)
It sets in deep cold treatment apparatus (SLX-30), the container of deep cold treatment apparatus is covered tightly, in order to avoid the low temperature in deep cold treatment apparatus
Liquid nitrogen leakage, influences temperature controlled accuracy and treatment effect.
Before carrying out subzero treatment, stretch processing first is carried out to nylon fabric and moisture absorption is handled, specifically, stretch processing are as follows:
It gives nylon fabric certain tensile stress, deforms 0.1% or so；Moisture absorption processing are as follows: be put into the nylon fabric after stretching
Moisture absorption is carried out in the environment of relative humidity 100% to get damp again 10 hours.Afterwards；
By stretched processing and moisture absorption, treated that nylon fabric is put into deep cold treatment apparatus at by the deep cooling in table 2
It manages parameter list and sets Deep Cryogenic Treatment.Then subzero treatment is carried out to nylon fabric according to Deep Cryogenic Treatment shown in table 2
And warming up treatment.
2 Deep Cryogenic Treatment table of table
After being disposed, the imide fiber of the subzero treatment of taking-up, i.e. completion modification process.The present embodiment
In, by subzero treatment, the tensile strength of nylon fabric improves 15-20%, improves 15-25% with polymer-bonded performance, resistance to
Mill property improves 25-35%.
Claims (8)
1. a kind of method of modifying of nylon fabric, it is characterised in that: will treated that nylon fabric is placed in has by moisture absorption
It is closed in the deep cold treatment apparatus of deep cooling medium, subzero treatment is carried out, slowly returns and warms to room temperature, keeps the temperature a period of time to get changing
Property nylon fabric；
The wherein technological parameter of subzero treatment are as follows: cooling rate is 0.5 DEG C/min-10 DEG C/min, and treatment temperature is that constant temperature is subzero
90 DEG C to subzero 200 DEG C, the processing time is 1h-15h, circular treatment 1-10 times.
2. a kind of method of modifying of nylon fabric according to claim 1, it is characterised in that: the deep cooling medium is liquid
Nitrogen.
3. a kind of method of modifying of nylon fabric according to claim 1, it is characterised in that: the moisture absorption processing are as follows: will
The nylon fabric, which is placed in the relative humidity of 70%-100%, carries out resurgence 8-12 hours.
4. a kind of method of modifying of nylon fabric according to claim 1, it is characterised in that: the nylon fabric is described
Stretch processing, the stretch processing are carried out before moisture absorption processing are as follows: the nylon fabric is stretched into 0.05%-0.5%.
5. a kind of method of modifying of nylon fabric according to claim 1, it is characterised in that: the cooling of the nylon fabric
It is to be cooled down or risen again by process control in the deep cooling box for be placed in the deep cold treatment apparatus with the process of rising again.
6. a kind of method of modifying of nylon fabric according to claim 5, it is characterised in that: the cooling or described time
The speed of temperature is 1 DEG C/min-10 DEG C/min.
7. a kind of method of modifying of nylon fabric according to claim 1, it is characterised in that: by the way of circular treatment
The subzero treatment is carried out, the Deep Cryogenic Treatment recycled every time is identical or different.
8. a kind of method of modifying of nylon fabric according to claim 7, it is characterised in that: the circulation of the circular treatment
Number is 1-10 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810923056.2A CN108951117A (en) | 2018-08-14 | 2018-08-14 | A kind of method of modifying of nylon fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810923056.2A CN108951117A (en) | 2018-08-14 | 2018-08-14 | A kind of method of modifying of nylon fabric |
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| Publication Number | Publication Date |
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| CN108951117A true CN108951117A (en) | 2018-12-07 |
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| CN201810923056.2A Pending CN108951117A (en) | 2018-08-14 | 2018-08-14 | A kind of method of modifying of nylon fabric |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184550A (en) * | 2019-07-08 | 2019-08-30 | 南昌航空大学 | A kind of cryogenic treating process of continuous filament reinforced metallic matrix composite |
| CN112267160A (en) * | 2020-10-27 | 2021-01-26 | 福建丰帝锦纶有限公司 | Preparation method of nylon 6 dull black yarn |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112267160A (en) * | 2020-10-27 | 2021-01-26 | 福建丰帝锦纶有限公司 | Preparation method of nylon 6 dull black yarn |
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Application publication date: 20181207 |