CN107503137A - A kind of modified acrylic fibre, high water absorption Hygroscopic material and preparation and application - Google Patents
A kind of modified acrylic fibre, high water absorption Hygroscopic material and preparation and application Download PDFInfo
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- CN107503137A CN107503137A CN201710763287.7A CN201710763287A CN107503137A CN 107503137 A CN107503137 A CN 107503137A CN 201710763287 A CN201710763287 A CN 201710763287A CN 107503137 A CN107503137 A CN 107503137A
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/02—Preparation of spinning solutions
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/06—Washing or drying
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
- D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
- D01F11/06—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
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- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
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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
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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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
- 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
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
- D06M2101/28—Acrylonitrile; Methacrylonitrile
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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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/11—Oleophobic properties
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
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Abstract
The invention belongs to textile clothing field, and in particular to a kind of modified acrylic fibre, high water absorption Hygroscopic material and preparation and application.The preparation method of described modified acrylic fibre, is comprised the following steps：Polyacrylonitrile, polyvinyl alcohol, nano-calcium carbonate, polyethylene glycol and organic solvent mixing, obtain spinning solution；Spinning solution carries out spinning, obtains composite fibre；Handled after composite fibre washing with chitosan/acetic acid solution；Wash, stretch again, curling, drying oils, and obtains modified acrylic fibre.Present invention also offers a kind of high water absorption Hygroscopic material for including above-mentioned modified acrylic fibre.Modified acrylic fibre produced by the present invention overcomes the shortcomings of unmodified polypropylene nitrile fiber is moist poor, regain is low, easy electrostatic, has good water imbibition, hygroscopicity, antistatic and antibacterial effect.
Description
Technical field
The invention belongs to textile clothing field, and in particular to a kind of modified acrylic fibre, high water absorption Hygroscopic material and
Preparation and application.
Background technology
Acrylic fibers are called in China by the polyacrylonitrile that du pont company is developed into, so-called acrylic fiber refers in fiber
Contain the EVA of the acrylonitrile no less than 85% in weight percent.Acrylic fibers occupy critically important position in synthetic fibers,
And China it is with the fastest developing speed, early in the 1950s China begun to study acrylic fibers.Acrylic fiber
With excellent physical and mechanical properties, very many performances are similar with wool, have been even more than wool, therefore are known as " artificial
The title of wool ".The advantages of acrylic fibers is soft, the elasticity of compression is good, warmth retention property is good, have bright-coloured color and luster, fluffy outward appearance,
And excellent intensity, while also there is good moulding processability, obtained in terms of engineering plastics, fibrous material extensively
Using.
But the compact structure of acrylic fibers, lacking hydrophilic radical, dyeing is difficult, intrinsic biological hygroscopicity is poor, regain is low,
Easy pilling, easily play the expansion that the deficiencies of electrostatic part constrains its application, therefore, study hydrophilic acrylic fibers have it is important
Meaning.Hydrophilic acrylic fiber can meet composite request of the people to garment material comfortableness and health, researcher
Further exploitation can also be needed to design a series of textile and clothing production of functionalization, ecology, market potential according to people
It is huge, have a extensive future.From the point of view of the purposes of product, acrylic fibers hydrophilic modifying new product is widely used.Except for sportswear, leisure
Dress etc., also, such as military uniform, aviation and wide, will can also make high-grade coat, sport shirt, children towards multidirectional development
Daily living articles such as womenswear, bedding etc..At medical aspect, high water absorption acrylic fabric has also obtained widely should
With medical operating coat, hemostatic gauze etc. can all make of highly hygroscopic acrylic fibers, and it not only can promptly absorb body fluid and blood
Liquid, it can also keep and the surface dry of human contact, cleaning.
At present, the method for hydrophilic modifying acrylic fibers mainly has grafting copolymerization process, co-blended spinning method etc..Wherein, grafting copolymerization process
The shortcomings that be that hydroaropic substance grafting rate is difficult to control, the low then Hydrophilic Fiber energy unobvious of grafting rate, grafting rate height is then fine
Tieing up original mechanical property can reduce, and this method step is complicated, and cost is higher.And co-blended spinning method is higher for equipment requirement,
Need to carry out solution-polymerized SBR or melt spinning by spinning-drawing machine.
The content of the invention
For overcome the deficiencies in the prior art and shortcoming, primary and foremost purpose of the invention is to provide a kind of modified polyacrylonitrile
The preparation method of fiber.
The modified acrylic fibre being prepared another object of the present invention is to provide above-mentioned preparation method.
It is still another object of the present invention to provide a kind of high water absorption Hygroscopic material, the fabric are fine by above-mentioned modified polyacrylonitrile
Dimension is prepared.
Fourth object of the present invention is to provide above-mentioned modified acrylic fibre and high water absorption Hygroscopic material in function
Application in property fabric field.
The purpose of the present invention is achieved through the following technical solutions：
A kind of preparation method of modified acrylic fibre, is comprised the following steps：
(1) polyacrylonitrile, polyvinyl alcohol, nano-calcium carbonate, polyethylene glycol and organic solvent are mixed, obtains spinning original
Liquid；Spinning solution carries out spinning, obtains composite fibre；
(2) 50~70 DEG C of 50~70h of washing of composite fibre for obtaining step (1) spinning；
(3) composite fibre 60~80 DEG C of 4~48h of processing of chitosan/acetic acid solution after step (2) is washed；
(4) composite fibre after step (3) processing is washed again；
(5) composite fibre after step (4) is washed stretches, and curling, drying oils, and obtains modified acrylic fibre；
The mean molecule quantity of polyacrylonitrile described in step (1) is preferably 3~40,000；
Polyethylene glycol described in step (1) is preferably at least one of polyethylene glycol 400 and Macrogol 600；
The particle diameter of nano-calcium carbonate described in step (1) is preferably 0.05~0.1 μm；
The concentration of polyacrylonitrile is preferably 25~35%w/w in spinning solution described in step (1)；
The concentration of polyvinyl alcohol is preferably 2~3%w/w in spinning solution described in step (1)；
The concentration of nano-calcium carbonate is preferably 2~5%w/w in spinning solution described in step (1)；
The concentration of nano-calcium carbonate is more preferably 3~4%w/w in spinning solution described in step (1)；
The concentration of polyethylene glycol is preferably 4~8%w/w in spinning solution described in step (1)；
The concentration of polyethylene glycol is more preferably 5~6%w/w in spinning solution described in step (1)；
Organic solvent described in step (1) is preferably dimethylformamide (DMF)；
Spinning described in step (1) is conventional spinning, preferably dry spinning；
The speed of spinning described in step (1) is preferably 150~200m/min；
The condition of washing described in step (2) is preferably 50~60 DEG C of 55~65h of washing；
Acetate concentration is preferably 5~10%w/w in chitosan/acetic acid solution described in step (3), and chitosan concentration is excellent
Elect 5~10mg/mL as；
The condition of processing described in step (3) is preferably 65~75 DEG C of 10~40h of processing；
The condition of washing described in step (4) is preferably 30~40 DEG C of washing 30min~2h；
The multiple of stretching described in step (5) is preferably 3~5 times, and the temperature of stretching is preferably 120~140 DEG C；
The multiple of stretching described in step (5) is more preferably 4.5 times, and the temperature of stretching is preferably 120~125
℃；
A kind of modified acrylic fibre, it is prepared by above-mentioned preparation method；
A kind of high water absorption Hygroscopic material, includes above-mentioned modified acrylic fibre；
The preparation method of described high water absorption Hygroscopic material, is comprised the following steps：
By the spinning of above-mentioned modified acrylic fibre, knitting, high water absorption Hygroscopic material is obtained；
Application of the described modified acrylic fibre and high water absorption Hygroscopic material in functional fabric field；
The principle of the present invention：
The present invention is directed to the deficiencies of polyacrylonitrile hygroscopicity is poor, regain is low, easy electrostatic, is scattered using polyvinyl alcohol
Agent, inorganic nano calcium carbonate, organic polyethylene glycol are pore-foaming agent, make obtained polyacrylonitrile fibre structure microporous, wherein, spin
On the one hand polyacrylonitrile fibre after silk shaping removes solvent after washing, another aspect pore-foaming agent polyethylene glycol is dissolved in water
Afterwards, fibrous inside and surface form the uniform micropore in a large amount of apertures；Fiber after washing is further molten with chitosan/acetic acid
Liquid processing, the calcium carbonate and acetic acid reaction of one side fiber surface, depression not of uniform size and cavity is formed in fiber surface, is caused
The micropore and depression that hole agent polyethylene glycol and calcium carbonate are formed be mutually communicated, form the loose structure of one so that play absorb water and
The effect of water conservation, and the polyvinyl alcohol collective effect being blended in fiber, improve the water imbibition of fiber；Another aspect chitosan can lead to
Cross grafting and looping is connected on fiber, the polyethylene glycol collective effect with fibrous inside residual, improve fiber hygroscopicity.In addition,
The present invention overcomes dry spinning and uses the defects of dimethylformamide is as solvent so that in fiber by washing three times
Solvent is removed completely.
The present invention is had the following advantages relative to prior art and effect：
(1) present invention is modified by physical treatment with reference to chemically treated mode to polyacrylonitrile, is significantly improved
The water imbibition and hygroscopicity of polyacrylonitrile, and washing fastness is good, action effect is lasting, wherein, relative to base extraction, the present invention
Micropore is formed using the nano-calcium carbonate and acetic acid reaction of appropriate particle size, to polyacrylonitrile almost without the destruction (acid resistance of acrylic fibers
Better than alkali resistance).
(2) present invention overcomes dry spinning and uses the defects of dimethylformamide is as solvent, make by washing three times
The solvent obtained in fiber is removed completely.
(3) modified acrylic fibre produced by the present invention overcomes the moist poor, regain of unmodified polypropylene nitrile fiber
Low, easy the shortcomings of playing electrostatic, there is good water imbibition, hygroscopicity, antistatic and antibacterial effect.
(4) modified acrylic fibre produced by the present invention improves the wearability of fiber, improves its obtained spinning
The comfortableness of fabric, the situation that common acrylic fibers are unsuitable for making spring and autumn clothes is changed, four seasons clothes, underwear, motion can be made
Shirt, nightwear and bedding etc..
(5) preparation method provided by the invention is simple to operate, and cost is low, suitable for industrialized production.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the implementation of the present invention is not limited to this.
Embodiment 1
A kind of preparation method of modified acrylic fibre, is comprised the following steps：
(1) by polyacrylonitrile (mean molecule quantity 40000), polyvinyl alcohol (PVA-1799), nano-calcium carbonate (particle diameter 0.05
~0.08 μm), polyethylene glycol 400 and organic solvent dimethylformamide (DMF) mixing, obtain spinning solution；Spinning solution enters
Row dry spinning, spinning speed 180m/min；Obtain composite fibre；Wherein, the concentration of polyacrylonitrile is in spinning solution
30%w/w, the concentration of polyvinyl alcohol is 2.5%w/w, and the concentration of nano-calcium carbonate is 4%w/w, and the concentration of polyethylene glycol 400 is
5%w/w；
(2) 55 DEG C of washing 65h of composite fibre for obtaining step (1) spinning；
(3) composite fibre after step (2) is washed is with chitosan/acetic acid solution (acetate concentration 8%w/w, chitosan
Concentration is 8mg/mL) 75 DEG C of processing 30h；
(4) 37 DEG C of composite fibre after step (3) processing is washed into 1h again；
(5) the composite fibre stretching (draw ratio is 4.5 times, and draft temperature is 125 DEG C) after step (4) is washed, volume
Song, drying oil, and obtain modified acrylic fibre；
(6) modified acrylic fibre made from step (5) is conventionally spinned, be knitted, obtain high water absorption suction
Wet fabric.
Embodiment 2
A kind of preparation method of modified acrylic fibre, is comprised the following steps：
(1) by polyacrylonitrile (mean molecule quantity 30000), polyvinyl alcohol (PVA-1799), nano-calcium carbonate (particle diameter 0.06
~0.09 μm), Macrogol 600 and organic solvent dimethylformamide (DMF) mixing, obtain spinning solution；Spinning solution enters
Row dry spinning, spinning speed 150m/min；Obtain composite fibre；Wherein, the concentration of polyacrylonitrile is in spinning solution
35%w/w, the concentration of polyvinyl alcohol is 2%w/w, and the concentration of nano-calcium carbonate is 5%w/w, and the concentration of Macrogol 600 is
4%w/w；
(2) 50 DEG C of washing 70h of composite fibre for obtaining step (1) spinning；
(3) composite fibre after step (2) is washed is with chitosan/acetic acid solution (acetate concentration 5%w/w, chitosan
Concentration is 5mg/mL) 80 DEG C of processing 4h；
(4) 30 DEG C of composite fibre after step (3) processing is washed into 2h again；
(5) the composite fibre stretching (draw ratio is 3 times, and draft temperature is 130 DEG C) after step (4) is washed, curling,
Drying oils, and obtains modified acrylic fibre；
(6) modified acrylic fibre made from step (5) is conventionally spinned, be knitted, obtain high water absorption suction
Wet fabric.
Embodiment 3
A kind of preparation method of modified acrylic fibre, is comprised the following steps：
(1) by polyacrylonitrile (mean molecule quantity 40000), polyvinyl alcohol (PVA-1788), nano-calcium carbonate (particle diameter 0.07
~0.1 μm), polyethylene glycol (PEG-400 and PEG-600 mass ratioes be 3:1) and organic solvent dimethylformamide (DMF) is mixed
Close, obtain spinning solution；Spinning solution carries out dry spinning, spinning speed 200m/min；Obtain composite fibre；Wherein, silk
The concentration of polyacrylonitrile is 25%w/w in stoste, and the concentration of polyvinyl alcohol is 3%w/w, and the concentration of nano-calcium carbonate is 2%w/
W, the concentration of polyethylene glycol is 8%w/w；
(2) 70 DEG C of washing 50h of composite fibre for obtaining step (1) spinning；
(3) with chitosan/acetic acid solution, (acetate concentration 10%w/w, shell gather the composite fibre after step (2) is washed
Sugared concentration is 10mg/mL) 60 DEG C of processing 48h；
(4) 40 DEG C of composite fibre after step (3) processing is washed into 30min again；
(5) the composite fibre stretching (draw ratio is 5 times, and draft temperature is 120 DEG C) after step (4) is washed, curling,
Drying oils, and obtains modified acrylic fibre；
(6) modified acrylic fibre made from step (5) is conventionally spinned, be knitted, obtain high water absorption suction
Wet fabric.
Comparative example 1
A kind of preparation method of polyacrylonitrile fibre, is comprised the following steps：
(1) polyacrylonitrile (mean molecule quantity 40000) and organic solvent dimethylformamide (DMF) are mixed, spun
Silk stock solution；Spinning solution carries out dry spinning, spinning speed 180m/min；Obtain fiber；Wherein, polypropylene in spinning solution
The concentration of nitrile is 30%w/w；
(2) 55 DEG C of washing 65h of fiber for obtaining step (1) spinning；
(3) the fiber stretching (draw ratio is 4.5 times, and draft temperature is 125 DEG C) after step (2) is washed, crimps, does
It is dry to oil, obtain polyacrylonitrile fibre；
(4) polyacrylonitrile fibre made from step (3) is conventionally spinned, be knitted, obtain common fabric 1.
Comparative example 2
A kind of preparation method of modified acrylic fibre, is comprised the following steps：
(1) by polyacrylonitrile (mean molecule quantity 40000), polyvinyl alcohol (PVA-1788), nano-calcium carbonate (particle diameter 0.05
~0.08 μm), polyethylene glycol 400 and organic solvent dimethylformamide (DMF) mixing, obtain spinning solution；Spinning solution enters
Row dry spinning, spinning speed 200m/min；Obtain composite fibre；Wherein, the concentration of polyacrylonitrile is in spinning solution
30%w/w, the concentration of polyvinyl alcohol is 2.5%w/w, and the concentration of nano-calcium carbonate is 4%w/w, and the concentration of polyethylene glycol 400 is
5%w/w；
(2) 55 DEG C of washing 65h of composite fibre for obtaining step (1) spinning；
(3) the composite fibre stretching (draw ratio is 4.5 times, and draft temperature is 125 DEG C) after step (2) is washed, volume
Song, drying oil, and obtain modified acrylic fibre；
(4) modified acrylic fibre made from step (3) is conventionally spinned, be knitted, obtain common fabric
2。
Effect example
(1) water absorbing properties are tested
It is small to be cut into 3 for common fabric made from high water absorption Hygroscopic material made from Example 1~3 or comparative example 1 and 2
Block sample, record its initial mass (M1).Sample input is filled in the beaker of water, and infiltrates 1h wherein, filter paper is used after taking-up
The moisture content of fabric face is sucked to being dripped naturally without water droplet, weighs its quality (M2), and water absorption rate is calculated, take 3 results
Average value, water absorption rate is calculated with following formula：
M=(M2-M1)/M1
M is water absorption rate in formula, M1It is the dry weight of fabric, M2It is the weight expected below that absorbs water.
(2) regain is tested
The ratio between mass change and sample dry weight before and after sample moisture absorption are the regain of sample.
As a result as shown in Table 1 and Table 2, compared with comparative example 1 and 2, there is more preferable water imbibition and hygroscopicity.
The water absorbing properties analysis of fabric made from the embodiment 1~3 of table 1 and comparative example 1~2
The moisture pick-up properties analysis of fabric made from the embodiment 1~3 of table 2 and comparative example 1~2
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. a kind of preparation method of modified acrylic fibre, it is characterised in that comprise the following steps：
(1) polyacrylonitrile, polyvinyl alcohol, nano-calcium carbonate, polyethylene glycol and organic solvent are mixed, obtains spinning solution；Spin
Silk stock solution carries out spinning, obtains composite fibre；
(2) 50~70 DEG C of 50~70h of washing of composite fibre for obtaining step (1) spinning；
(3) composite fibre 60~80 DEG C of 4~48h of processing of chitosan/acetic acid solution after step (2) is washed；
(4) composite fibre after step (3) processing is washed again；
(5) composite fibre after step (4) is washed stretches, and curling, drying oils, and obtains modified acrylic fibre.
2. the preparation method of modified acrylic fibre according to claim 1, it is characterised in that：
The mean molecule quantity of polyacrylonitrile described in step (1) is 3~40,000；
Polyethylene glycol described in step (1) is at least one of polyethylene glycol 400 and Macrogol 600.
3. the preparation method of modified acrylic fibre according to claim 1, it is characterised in that：
The particle diameter of nano-calcium carbonate described in step (1) is 0.05~0.1 μm.
4. the preparation method of modified acrylic fibre according to claim 1, it is characterised in that：
The concentration of polyacrylonitrile is 25~35%w/w in spinning solution described in step (1)；
The concentration of polyvinyl alcohol is 2~3%w/w in spinning solution described in step (1)；
The concentration of nano-calcium carbonate is 2~5%w/w in spinning solution described in step (1)；
The concentration of polyethylene glycol is 4~8%w/w in spinning solution described in step (1).
5. the preparation method of modified acrylic fibre according to claim 1, it is characterised in that：
Organic solvent described in step (1) is dimethylformamide；
Spinning described in step (1) is dry spinning.
6. the preparation method of modified acrylic fibre according to claim 1, it is characterised in that：
Acetate concentration is 5~10%w/w in chitosan/acetic acid solution described in step (3), and dense chitosan is 5~10mg/
mL。
7. the preparation method of modified acrylic fibre according to claim 1, it is characterised in that：
The condition of washing described in step (4) is 30~40 DEG C of washing 30min~2h.
8. a kind of modified acrylic fibre, it is characterised in that prepared by the preparation method described in any one of claim 1~7
Obtain.
9. a kind of high water absorption Hygroscopic material, it is characterised in that include the modified acrylic fibre described in claim 8.
10. the high water absorption Hygroscopic material described in modified acrylic fibre and claim 9 described in claim 8 is in feature
Application in fabric field.
Priority Applications (1)
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| CN201710763287.7A CN107503137A (en) | 2017-08-30 | 2017-08-30 | A kind of modified acrylic fibre, high water absorption Hygroscopic material and preparation and application |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867059A (en) * | 2018-06-01 | 2018-11-23 | 吴江康欣医用敷料有限公司 | A kind of preparation method and applications of superabsorbency toughening carbassus |
| CN108903100A (en) * | 2018-06-27 | 2018-11-30 | 徐玉玉 | A kind of intelligence clothes new material and preparation method thereof |
| CN112056669A (en) * | 2020-08-10 | 2020-12-11 | 浙江爵帅制衣有限公司 | Intelligent manufacturing process of clothes |
| CN112900088A (en) * | 2021-01-21 | 2021-06-04 | 方宇航 | Biological modified fabric and preparation method thereof |
| CN116905107A (en) * | 2022-12-12 | 2023-10-20 | 吴江福华织造有限公司 | Preparation method of multifunctional fiber |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103320889A (en) * | 2013-06-27 | 2013-09-25 | 上海贵达科技有限公司 | Hydrophilic hygroscopic and sweat-releasing polyester fiber and preparation method thereof |
| CN105839411A (en) * | 2016-05-03 | 2016-08-10 | 盐城工学院 | Compound finishing agent for improving antistatic property of polyester fibers and finishing process |
| CN106555248A (en) * | 2015-09-30 | 2017-04-05 | 中国石油化工股份有限公司 | The preparation method of moisture absorption acrylon |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320889A (en) * | 2013-06-27 | 2013-09-25 | 上海贵达科技有限公司 | Hydrophilic hygroscopic and sweat-releasing polyester fiber and preparation method thereof |
| CN106555248A (en) * | 2015-09-30 | 2017-04-05 | 中国石油化工股份有限公司 | The preparation method of moisture absorption acrylon |
| CN105839411A (en) * | 2016-05-03 | 2016-08-10 | 盐城工学院 | Compound finishing agent for improving antistatic property of polyester fibers and finishing process |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867059A (en) * | 2018-06-01 | 2018-11-23 | 吴江康欣医用敷料有限公司 | A kind of preparation method and applications of superabsorbency toughening carbassus |
| CN108903100A (en) * | 2018-06-27 | 2018-11-30 | 徐玉玉 | A kind of intelligence clothes new material and preparation method thereof |
| CN112056669A (en) * | 2020-08-10 | 2020-12-11 | 浙江爵帅制衣有限公司 | Intelligent manufacturing process of clothes |
| CN112056669B (en) * | 2020-08-10 | 2023-04-25 | 浙江壹禾服饰有限公司 | Intelligent manufacturing process of clothing |
| CN112900088A (en) * | 2021-01-21 | 2021-06-04 | 方宇航 | Biological modified fabric and preparation method thereof |
| CN116905107A (en) * | 2022-12-12 | 2023-10-20 | 吴江福华织造有限公司 | Preparation method of multifunctional fiber |
| CN116905107B (en) * | 2022-12-12 | 2024-06-18 | 吴江福华织造有限公司 | Preparation method of multifunctional fiber |
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Application publication date: 20171222 |