CN108823961A - A kind of modified cotton fiber and its non-ironing cloth of preparation - Google Patents
A kind of modified cotton fiber and its non-ironing cloth of preparation Download PDFInfo
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- CN108823961A CN108823961A CN201810485915.4A CN201810485915A CN108823961A CN 108823961 A CN108823961 A CN 108823961A CN 201810485915 A CN201810485915 A CN 201810485915A CN 108823961 A CN108823961 A CN 108823961A
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- cotton fiber
- modified
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- cloth
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 80
- 239000004744 fabric Substances 0.000 title claims abstract description 33
- 238000010409 ironing Methods 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 49
- 238000004061 bleaching Methods 0.000 claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 18
- 239000004743 Polypropylene Substances 0.000 claims abstract description 11
- -1 polypropylene Polymers 0.000 claims abstract description 11
- 229920001155 polypropylene Polymers 0.000 claims abstract description 11
- 238000007598 dipping method Methods 0.000 claims abstract description 9
- 229920001661 Chitosan Polymers 0.000 claims abstract description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 8
- BNEGVYBKSDHIEX-UHFFFAOYSA-N [Na].C(O)NC(C=C)=O Chemical compound [Na].C(O)NC(C=C)=O BNEGVYBKSDHIEX-UHFFFAOYSA-N 0.000 claims abstract description 8
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004202 carbamide Substances 0.000 claims abstract description 8
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 claims abstract description 8
- 229910000348 titanium sulfate Inorganic materials 0.000 claims abstract description 8
- 230000018044 dehydration Effects 0.000 claims description 30
- 238000006297 dehydration reaction Methods 0.000 claims description 30
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 15
- 238000005282 brightening Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 10
- 229940079827 sodium hydrogen sulfite Drugs 0.000 claims description 10
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 239000006081 fluorescent whitening agent Substances 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000005470 impregnation Methods 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 5
- 238000002242 deionisation method Methods 0.000 claims description 2
- 238000002386 leaching Methods 0.000 claims description 2
- 229920002994 synthetic fiber Polymers 0.000 claims 1
- 239000004753 textile Substances 0.000 abstract description 5
- 239000004952 Polyamide Substances 0.000 abstract description 4
- 230000004048 modification Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 abstract description 4
- 229920002647 polyamide Polymers 0.000 abstract description 4
- 238000005119 centrifugation Methods 0.000 abstract 1
- 230000037303 wrinkles Effects 0.000 abstract 1
- 206010068150 Acoustic shock Diseases 0.000 description 3
- 230000035699 permeability Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
Classifications
-
- 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
- D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
-
- 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
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/003—Treatment with radio-waves or microwaves
-
- 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
- D06M11/51—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 sulfur, selenium, tellurium, polonium or compounds thereof
- D06M11/55—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 sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
- D06M11/56—Sulfates or thiosulfates other than of elements of Groups 3 or 13 of the Periodic Table
-
- 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
- D06M13/322—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 nitrogen
- D06M13/402—Amides imides, sulfamic acids
- D06M13/419—Amides having nitrogen atoms of amide groups substituted by hydroxyalkyl or by etherified or esterified hydroxyalkyl groups
-
- 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
- D06M13/322—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 nitrogen
- D06M13/402—Amides imides, sulfamic acids
- D06M13/432—Urea, thiourea or derivatives thereof, e.g. biurets; Urea-inclusion compounds; Dicyanamides; Carbodiimides; Guanidines, e.g. dicyandiamides
-
- 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
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/503—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms without bond between a carbon atom and a metal or a boron, silicon, selenium or tellurium atom
-
- 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
- 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
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The present invention relates to cotton textiles technical fields, and in particular to a kind of modified cotton fiber and its non-ironing cloth of preparation.The preparation method of modified cotton fiber includes the following steps：Cotton fiber is subjected to buck dipping with sodium hydroxide solution, then by cotton fiber bleaching, treated, and cotton fiber is pre-processed using organic solution, is then modified agent processing to cotton fiber and centrifugation cleans.Wherein, include in cotton fiber modification agent：Titanium sulfate, urea, butyl titanate, hydroxymethyl acrylamide sodium and chitosan.The performance for having skin-friendly good, ventilative, wrinkle resistant using the cloth that this modified cotton fiber, polypropylene fibre and polyamide fibre are mixed with.
Description
Technical field
The present invention relates to cotton textiles technical fields, and in particular to a kind of modified cotton fiber and its non-ironing cloth of preparation.
Background technique
Cotton is that one kind can provide the plant of natural plant fibre product, is the crops that there is grand strategy to be worth,
Cotton fiber good toughness in cotton, intensity is high, and elasticity, chemical stability and moisture pick-up properties are outstanding, is that best fabric is fine
Dimension, with cotton make dress material warmth retention property is good, gas permeability is strong, and there is outstanding skin-friendly, dress is as snug as a bug in a rug.
But cotton textiles the shortcomings that also having itself, for example, cotton textiles are since fiber itself has the characteristics that curling, because
This often will appear shrinkage phenomenon after rinsing, and the cotton textiles after shrinkage need to carry out ironing, although the fabric after ironing is protected
Straight elevator is held, but again can crumple again after multiple rinsing.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of modified cotton fiber and its non-ironing cloth of preparation
Material, after modification, the curl characteristics of cotton fiber are improved the type cotton fiber, the toughness and tensile resistance of fiber
It is improved, shrinkage phenomenon is less likely to occur using fabric prepared by this fiber.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
The method of modifying of a kind of modified cotton fiber, cotton fiber includes the following steps：
（1）Cotton fiber is added in the sodium hydroxide solution of 15-20wt%, 30-40min, leaching are impregnated with 35-45 DEG C of temperature
Then centrifugal dehydration after the completion of stain rinses the cotton fiber after centrifugal dehydration with deionized water, rinse to the PH of rinsing liquid
Value is 7-7.5；
（2）Fiber after rinsing is continued into centrifugal dehydration, is added to after dehydration containing hydrogen peroxide, brightening agent and sodium hydrogensulfite
In bleaching liquid, with 70-80 DEG C of temperature bleaching 30-40min, dewatered drying after bleaching；
（3）By the cotton fiber of upper step be sent to dehydrated alcohol and acetone etc. quality than in mixed solution, with 40-60 DEG C of temperature
Ultrasonic vibration cleans 10-15min, centrifugal dehydration after the completion of processing；
（4）According to mass fraction：15-20 parts of titanium sulfate, 3-7 parts of urea, 1-3 parts of butyl titanate, hydroxymethyl acrylamide sodium 3-5
Part, the ratio that 4-5 parts of chitosan prepares each material composition and is dissolved in the deionization of 6-10 times of volume after these material mixings
In water, high-speed stirred obtains modified solution, then by upper step treated cotton fiber impregnation 40- in modified solution
60min；Centrifugal dehydration after the completion of dipping；
（5）By upper step, treated that cotton fiber is sent in microwave centrifuge, with the centrifugal rotational speed of 4000-4500r/min, 2-
High-speed microwave centrifugal treating in the state of the vacuum degree and microwave radiation of 3kPa removes the remaining modified material of fiber surface, obtains
To required modified cotton fiber.
Preferably, step（2）The concentration of the hydrogen peroxide of middle bleaching liquid is 10-12g/L, and the concentration of sodium hydrogensulfite is 2-
4g/L, the concentration of brightening agent are 1-3g/L.
Preferably, brightening agent selects fluorescent whitening agent VBL or fluorescent whitening agent CXT.
Preferably, step（3）For 25-28kHz, power is the ultrasonic frequency used in middle ultrasonic oscillation cleaning process
100-120W。
Preferably, step（4）According to mass fraction, including following component in middle modifying agent：17-18 parts of titanium sulfate, urea
4-5 parts, 1-2 parts of butyl titanate, 3-4 parts of hydroxymethyl acrylamide sodium, 4.2-4.5 parts of chitosan.
Preferably, step（5）In microwave centrifuge in microwave centrifugal treating time be 10-15min.
A kind of non-ironing cloth, the cloth are prepared by modified cotton fiber.
It preferably, further include polypropylene fiber and nylon fibre in the cloth, the content of various fibers is in fabric：Modified cotton
Fiber 65%, polypropylene fiber 25%, nylon fibre 10%.
The present invention has following beneficial effect：
After process of the invention, the curvature of fiber is very significantly improved cotton fiber, and the Memorability of fiber also obtains
Elimination to a certain extent uses the fibre in addition, the cotton fiber, after modification, fibre strength and toughness are also enhanced
The cloth of dimension preparation is not allowed to be also easy to produce shrinkage phenomenon after rinsing, therefore does not need to carry out frequent ironing.The cloth also added
A small amount of chemical fibre, so that the cloth has good moisture absorption, air permeability effect, the skin-friendly of material is good, and dress is got up non-
Chang Shushi.
Specific embodiment
Below with reference to embodiment, further description of the specific embodiments of the present invention, and following embodiment is only used for more
Technical solution of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Embodiment 1
The method of modifying of a kind of modified cotton fiber, cotton fiber includes the following steps：
（1）Cotton fiber is added in the sodium hydroxide solution of 15wt%, 30min is impregnated with 35 DEG C of temperature, after the completion of dipping from
Heart dehydration, then rinses the cotton fiber after centrifugal dehydration with deionized water, and rinsing to the pH value of rinsing liquid is 7-7.5；
（2）Fiber after rinsing is continued into centrifugal dehydration, is added to after dehydration containing hydrogen peroxide, brightening agent and sodium hydrogensulfite
In bleaching liquid, with 70 DEG C of temperature bleaching 30min, dewatered drying after bleaching；
（3）By the cotton fiber of upper step be sent to dehydrated alcohol and acetone etc. quality than in mixed solution, it is super with 40 DEG C of temperature
Cleaning 10min, centrifugal dehydration after the completion of processing are swung in acoustic shock；
（4）According to mass fraction：15 parts of titanium sulfate, 3 parts of urea, 1 part of butyl titanate, 3 parts of hydroxymethyl acrylamide sodium, chitosan
4 parts of ratio prepares each material composition and is dissolved in the deionized water of 6 times of volumes after these material mixings, high-speed stirred
Modified solution is obtained, then by upper step treated cotton fiber impregnation 40min in modified solution；It is centrifuged after the completion of dipping
Dehydration；
（5）By upper step, treated that cotton fiber is sent in microwave centrifuge, with the centrifugal rotational speed of 4000r/min, 2kPa it is true
High-speed microwave centrifugal treating in the state of reciprocal of duty cycle and microwave radiation removes the remaining modified material of fiber surface, obtains required
Modified cotton fiber.
Wherein, step（2）The concentration of the hydrogen peroxide of middle bleaching liquid is 10g/L, and the concentration of sodium hydrogensulfite is 2g/L, is brightened
The concentration of agent is 1g/L；Brightening agent selects fluorescent whitening agent VBL.
Step（3）The ultrasonic frequency used in middle ultrasonic oscillation cleaning process is 25kHz, power 100W.
Step（5）In microwave centrifuge in microwave centrifugal treating time be 10min.
A kind of non-ironing cloth, the cloth are prepared by modified cotton fiber；It further include polypropylene fiber and polyamide fibre in the cloth
Fiber, the content of various fibers is in fabric：Modified cotton fiber 65%, polypropylene fiber 25%, nylon fibre 10%.
Embodiment 2
The method of modifying of a kind of modified cotton fiber, cotton fiber includes the following steps：
（1）Cotton fiber is added in the sodium hydroxide solution of 20wt%, 40min is impregnated with 45 DEG C of temperature, after the completion of dipping from
Heart dehydration, then rinses the cotton fiber after centrifugal dehydration with deionized water, and rinsing to the pH value of rinsing liquid is 7.5；
（2）Fiber after rinsing is continued into centrifugal dehydration, is added to after dehydration containing hydrogen peroxide, brightening agent and sodium hydrogensulfite
In bleaching liquid, with 80 DEG C of temperature bleaching 40min, dewatered drying after bleaching；
（3）By the cotton fiber of upper step be sent to dehydrated alcohol and acetone etc. quality than in mixed solution, it is super with 60 DEG C of temperature
Cleaning 15min, centrifugal dehydration after the completion of processing are swung in acoustic shock；
（4）According to mass fraction：20 parts of titanium sulfate, 7 parts of urea, 3 parts of butyl titanate, 5 parts of hydroxymethyl acrylamide sodium, chitosan
5 parts of ratio prepares each material composition and is dissolved in the deionized water of 10 times of volumes, high-speed stirred after these material mixings
Obtain modified solution, then by upper step treated cotton fiber impregnation 60min in modified solution；After the completion of dipping from
Heart dehydration；
（5）By upper step, treated that cotton fiber is sent in microwave centrifuge, with the centrifugal rotational speed of 4500r/min, 3kPa it is true
High-speed microwave centrifugal treating in the state of reciprocal of duty cycle and microwave radiation removes the remaining modified material of fiber surface, obtains required
Modified cotton fiber.
Wherein, step（2）The concentration of the hydrogen peroxide of middle bleaching liquid is 12g/L, and the concentration of sodium hydrogensulfite is 4g/L, is brightened
The concentration of agent is 3g/L；Brightening agent selects fluorescent whitening agent CXT.
Step（3）The ultrasonic frequency used in middle ultrasonic oscillation cleaning process is 28kHz, power 120W.
Step（5）In microwave centrifuge in microwave centrifugal treating time be 15min.
A kind of non-ironing cloth, the cloth are prepared by modified cotton fiber；It further include polypropylene fiber and polyamide fibre in the cloth
Fiber, the content of various fibers is in fabric：Modified cotton fiber 65%, polypropylene fiber 25%, nylon fibre 10%.
Embodiment 3
The method of modifying of a kind of modified cotton fiber, cotton fiber includes the following steps：
（1）Cotton fiber is added in the sodium hydroxide solution of 18wt%, 35min is impregnated with 40 DEG C of temperature, after the completion of dipping from
Heart dehydration, then rinses the cotton fiber after centrifugal dehydration with deionized water, and rinsing to the pH value of rinsing liquid is 7.3；
（2）Fiber after rinsing is continued into centrifugal dehydration, is added to after dehydration containing hydrogen peroxide, brightening agent and sodium hydrogensulfite
In bleaching liquid, with 75 DEG C of temperature bleaching 35min, dewatered drying after bleaching；
（3）By the cotton fiber of upper step be sent to dehydrated alcohol and acetone etc. quality than in mixed solution, it is super with 50 DEG C of temperature
Cleaning 13min, centrifugal dehydration after the completion of processing are swung in acoustic shock；
（4）According to mass fraction：18 parts of titanium sulfate, 5 parts of urea, 2 parts of butyl titanate, 4 parts of hydroxymethyl acrylamide sodium, chitosan
4.5 parts of ratio prepares each material composition and is dissolved in the deionized water of 8 times of volumes, high-speed stirred after these material mixings
Obtain modified solution, then by upper step treated cotton fiber impregnation 50min in modified solution；After the completion of dipping from
Heart dehydration；
（5）By upper step, treated that cotton fiber is sent in microwave centrifuge, with the centrifugal rotational speed of 4300r/min, 2.5kPa
High-speed microwave centrifugal treating in the state of vacuum degree and microwave radiation removes the remaining modified material of fiber surface, needed for obtaining
Modified cotton fiber.
Wherein, step（2）The concentration of the hydrogen peroxide of middle bleaching liquid is 11g/L, and the concentration of sodium hydrogensulfite is 3g/L, is brightened
The concentration of agent is 2g/L；Brightening agent selects fluorescent whitening agent VBL.
Step（3）The ultrasonic frequency used in middle ultrasonic oscillation cleaning process is 27kHz, power 110W.
Step（5）In microwave centrifuge in microwave centrifugal treating time be 13min.
A kind of non-ironing cloth, the cloth are prepared by modified cotton fiber；It further include polypropylene fiber and polyamide fibre in the cloth
Fiber, the content of various fibers is in fabric：Modified cotton fiber 65%, polypropylene fiber 25%, nylon fibre 10%.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of modified cotton fiber, it is characterised in that：The method of modifying of the cotton fiber includes the following steps：
（1）Cotton fiber is added in the sodium hydroxide solution of 15-20wt%, 30-40min, leaching are impregnated with 35-45 DEG C of temperature
Then centrifugal dehydration after the completion of stain rinses the cotton fiber after centrifugal dehydration with deionized water, rinse to the PH of rinsing liquid
Value is 7-7.5；
（2）Fiber after rinsing is continued into centrifugal dehydration, is added to after dehydration containing hydrogen peroxide, brightening agent and sodium hydrogensulfite
In bleaching liquid, with 70-80 DEG C of temperature bleaching 30-40min, dewatered drying after bleaching；
（3）By the cotton fiber of upper step be sent to dehydrated alcohol and acetone etc. quality than in mixed solution, with 40-60 DEG C of temperature
Ultrasonic vibration cleans 10-15min, centrifugal dehydration after the completion of processing；
（4）According to mass fraction：15-20 parts of titanium sulfate, 3-7 parts of urea, 1-3 parts of butyl titanate, hydroxymethyl acrylamide sodium 3-5
Part, the ratio that 4-5 parts of chitosan prepares each material composition and is dissolved in the deionization of 6-10 times of volume after these material mixings
In water, high-speed stirred obtains modified solution, then by upper step treated cotton fiber impregnation 40- in modified solution
60min；Centrifugal dehydration after the completion of dipping；
（5）By upper step, treated that cotton fiber is sent in microwave centrifuge, with the centrifugal rotational speed of 4000-4500r/min, 2-
High-speed microwave centrifugal treating in the state of the vacuum degree and microwave radiation of 3kPa removes the remaining modified material of fiber surface, obtains
To required modified cotton fiber.
2. a kind of modified cotton fiber according to claim 1, it is characterised in that：Step（2）Hydrogen peroxide in the bleaching liquid
Concentration be 10-12g/L, the concentration of sodium hydrogensulfite is 2-4g/L, and the concentration of brightening agent is 1-3g/L.
3. a kind of modified cotton fiber according to claim 3, it is characterised in that：The brightening agent selects fluorescent whitening agent
VBL or fluorescent whitening agent CXT.
4. a kind of modified cotton fiber according to claim 1, it is characterised in that：Step（3）The ultrasonic oscillation cleaning
The ultrasonic frequency used in the process is 25-28kHz, power 100-120W.
5. a kind of modified cotton fiber according to claim 1, it is characterised in that：Step（4）According to matter in the modifying agent
Measure number, including following component：17-18 parts of titanium sulfate, 4-5 parts of urea, 1-2 parts of butyl titanate, hydroxymethyl acrylamide sodium 3-4
Part, 4.2-4.5 parts of chitosan.
6. a kind of modified cotton fiber according to claim 1, it is characterised in that：Step（5）It is micro- in the microwave centrifuge
The time of wave centrifugal treating is 10-15min.
7. a kind of non-ironing cloth, it is characterised in that：The cloth uses modified cotton fiber as claimed in any one of claims 1 to 6
It is prepared.
8. a kind of non-ironing cloth according to claim 7, it is characterised in that：It further include polypropylene fiber and brocade in the cloth
Synthetic fibre fiber, the content of various fibers is in fabric：Modified cotton fiber 65%, polypropylene fiber 25%, nylon fibre 10%.
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