CN106617328A - Thermal underwear and preparation method thereof - Google Patents
Thermal underwear and preparation method thereof Download PDFInfo
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- CN106617328A CN106617328A CN201611078663.0A CN201611078663A CN106617328A CN 106617328 A CN106617328 A CN 106617328A CN 201611078663 A CN201611078663 A CN 201611078663A CN 106617328 A CN106617328 A CN 106617328A
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B9/00—Undergarments
- A41B9/12—Protective undergarments
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B17/00—Selection of special materials for underwear
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- 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
-
- 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
- D06M11/73—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 carbon or compounds thereof
- D06M11/74—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 carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
-
- 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
- D06M13/12—Aldehydes; Ketones
- D06M13/127—Mono-aldehydes, e.g. formaldehyde; Monoketones
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B2400/00—Functions or special features of shirts, underwear, baby linen or handkerchiefs not provided for in other groups of this subclass
- A41B2400/32—Therapeutic use
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B2400/00—Functions or special features of shirts, underwear, baby linen or handkerchiefs not provided for in other groups of this subclass
- A41B2400/34—Functions or special features of shirts, underwear, baby linen or handkerchiefs not provided for in other groups of this subclass antimicrobial or antibacterial
-
- 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
-
- 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
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/12—Carbon; Pitch
-
- 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
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses thermal underwear and a preparation method thereof. The thermal underwear is mainly prepared by blending a spumous cotton fiber/graphene compound and non-treated cotton fibers. The preparation method of the thermal underwear comprises the following steps: pretreating the cotton fibers, then soaking the cotton fibers into a graphene oxide solution, putting the cotton fibers with graphene oxide into an alkaline solution, carrying out hydrothermal reaction and quick freezing and forming, carrying out vacuum freezing and drying to obtain a loose and porous spumous cotton fiber/graphene composite material, blending the spumous cotton fiber/graphene composite material and the non-treated cotton fibers, and preparing the thermal underwear according to subsequent conventional steps. The thermal underwear prepared on the basis of the preparation method is good in heat preservation effect and high in breathability and water absorptivity, and has the effects of resisting static electricity and bacteria.
Description
Technical field
The invention belongs to garment industry, more particularly to a kind of cold-proof underwear and preparation method thereof.
Background technology
As temperature is drastically reduced, the late autumn in the north seems especially cold.In order to spend the years very long before heating installation arrives,
The chemical industry doctor of Tsing-Hua University one summarizes three resisting cold new moves, and one of them is order of wearing the clothes.He studies discovery, by thermal conductivity factor
Low wind coat is through the big autumn clothing the inside of thermal conductivity factor, with preferably resisting cold effect.However, the fabric of wind coat is too endured with all one's will,
It is not appropriate for wearing next to the skin.Also have that thermal conductivity factor is low, the cold-proof underwear that comfort level is higher in prior art, but it is generally multilayer
Structure, base layers and outer layer are fiber cloth and make, and intermediate layer is the filler containing thermal property.Although it disclosure satisfy that heat conduction
The requirement that coefficient is low, to wear next to the skin comfort level high, but its cutting sewing tech is complex, in use also easily
Damage；Therefore the technical problem to be solved is to provide, and a kind of thermal conductivity factor is low, fabric comfort level high, manufacture craft is simple
Cold-proof underwear, be firmly collected at around body to the heat for distributing human body.
The content of the invention
Present invention seek to address that the problem mentioned in background technology, there is provided a kind of thermal conductivity factor is low, fabric is soft, make work
Simple cold-proof underwear of skill and preparation method thereof, is firmly collected at around body to the heat for distributing human body.
In order to solve the above problems, technical scheme below is present invention employs：
A kind of cold-proof underwear, mainly by foam-like cotton fiber/graphene complex and untreated cotton fiber blending
Into the foam-like cotton fiber/graphene complex is 40～100 with the mass percent of untreated cotton fiber:100.
A kind of preparation method of cold-proof underwear, comprises the steps：(1) by cotton fiber, two leachings two are rolled in acetone soln,
Then the cotton fiber is being placed in strong base solution, react at 80～90 DEG C, then with deionized water again after acid neutralization
Rinsing, extruding are dried up；(2) by the cotton fiber aqueous solution of the immersion containing graphene oxide of step (1) process, stirring makes oxidation
Graphene is sufficiently mixed with cotton fiber；(3) cotton fiber and graphene oxide mixed solution in step (2) is put in gauze,
Extruding removes unnecessary moisture；(4) cotton fiber of step (3) process is put in alkaline solution, stirring under room temperature makes alkalescence molten
Liquid is sufficiently mixed with cotton fiber；(5) mixed liquor that step (4) is obtained is transferred in autoclave, hydro-thermal reaction, obtains cotton fine
Dimension/graphene complex；(6) cotton fiber/graphene complex obtained in step (5) is put into into IQF in liquid nitrogen；(7) will
Cotton fiber/graphene complex after step (6) process is put in vacuum refrigerating machine, and freeze-drying obtains loose porous bubble
Foam shape cotton fiber/graphene complex；(8) the loose porous foam-like cotton fiber/graphene complex for obtaining step (7)
According to the common technique blending together with untreated cotton fiber that spins, then through bleachinging and dyeing, weaving cotton cloth, cutting out, sewing and obtain
To cold-proof underwear.
As improved technical scheme of the invention, in the step (1), the mass fraction of the acetone soln is 10～
30%, soak time is 0.5～1h, and pick-up rate is 70～80%；The pH value of the strong base solution is 12～14, in 80～90 DEG C
1～2h of lower reaction.
Used as improved technical scheme of the invention, in the step (2), the concentration of the graphene oxide is 10～50g/
L。
As improved technical scheme of the invention, in the step (3), water of compaction be divided into cotton fiber water suction total amount 60～
80%.
Used as improved technical scheme of the invention, in the step (4), the pH value of the alkaline solution is 9～11, described
The cotton fiber of step (3) process is 1 with the volume ratio of alkaline solution:0.8～1.5.
Used as improved technical scheme of the invention, in the step (5), the hydrothermal temperature is 120～160 DEG C,
The hydro-thermal reaction time is 6～12h.
As improved technical scheme of the invention, in the step (6), the cotton fiber/Graphene for first obtaining step (5)
Compound makes the sheet that thickness is 1～5cm, places into IQF in liquid nitrogen.
Used as improved technical scheme of the invention, in the step (7), the freeze-drying temperature is -30～-20 DEG C,
Vacuum is 1～10Pa.
As improved technical scheme of the invention, in the step (8), loose porous foam-like cotton fiber/Graphene
Compound is 40～100%wt of untreated cotton fiber.
Beneficial effect：
Compared with existing cold-proof underwear, the preparation technology very simple of the present invention, obtained cold-proof underwear has insulation
Effect is good, antibacterial, it is antistatic the advantages of.Foam-like cotton fiber/graphene complex and cotton fiber are according to certain ratio blending
Together, cold-proof underwear is then made again so that the underwear not only possess thermal conductivity factor it is low the characteristics of, it is also former with cotton fiber
The characteristic such as the fabric that comes is soft, absorption of perspiration is good, wearing comfort is high；Simultaneously Graphene also impart the cold-proof underwear antibacterial,
The characteristic such as antistatic.
Specific embodiment
In order that those skilled in the art becomes apparent from the clear understanding present invention, in conjunction with specific embodiment, to this
It is bright to be described in detail.
The cold-proof underwear of the present invention is mainly by loose porous foam-like cotton fiber/graphene complex according to common spinning
Wiring technology blending together with untreated cotton fiber, then through bleachinging and dyeing, weaving cotton cloth, cutting out, sewing and obtaining cold-proof underwear.Institute
It is 40～100 that foam-like cotton fiber/graphene complex is stated with the mass percent of untreated cotton fiber:100.
The preparation process of the foam-like cotton fiber/graphene complex in the present invention is mainly：(1) by cotton fiber in acetone
Two leachings two in solution are rolled, and then the cotton fiber is being placed in strong base solution, are reacted at 80～90 DEG C, then with acid neutralization
Afterwards again deionized water rinsing, extruding are dried up；(2) cotton fiber of step (1) process is immersed containing the water-soluble of graphene oxide
In liquid, stirring makes graphene oxide be sufficiently mixed with cotton fiber；(3) cotton fiber in step (2) and graphene oxide are mixed
Solution is put in gauze, and extruding removes unnecessary moisture；(4) cotton fiber of step (3) process is put in alkaline solution, room temperature
Lower stirring makes alkaline solution be sufficiently mixed with cotton fiber；(5) mixed liquor that step (4) is obtained is transferred in autoclave, hydro-thermal
Reaction, obtains cotton fiber/graphene complex；(6) cotton fiber/graphene complex obtained in step (5) is put in liquid nitrogen
IQF；(7) cotton fiber/graphene complex after step (6) process is put in vacuum refrigerating machine, freeze-drying is obtained
To loose porous foam-like cotton fiber/graphene complex.
Technological parameter and test result in the foam-like cotton fiber/graphene complex preparation process is referring to embodiment
1‐5。
Embodiment 1
In step (1), the mass fraction of the acetone soln is 10%, and soak time is 1h, and pick-up rate is 80%；It is described
The pH value of strong base solution is 14, and at 80 DEG C 2h is reacted；Wherein, the strong base solution mainly includes NaOH, potassium hydroxide
In one of which, the acid is the one of which in watery hydrochloric acid, dust technology, dilute sulfuric acid；
In step (2), the concentration of the graphene oxide is 10g/L；
In step (3), water of compaction is divided into the 80% of cotton fiber water suction total amount；
In step (4), the pH value of the alkaline solution is 9, cotton fiber and the body of alkaline solution that the step (3) is processed
Product is than being 1:0.8；The alkaline solution mainly by ammoniacal liquor, NaOH, NaOH, sodium carbonate, sodium acid carbonate wherein
One or more composition, it is preferable that the alkaline solution is ammoniacal liquor；
In step (5), the hydrothermal temperature is 120 DEG C, and the hydro-thermal reaction time is 12h；
In step (6), first cotton fiber/graphene complex that step (5) is obtained is made into the sheet that thickness is 1cm, then
It is put into IQF in liquid nitrogen；
In step (7), the freeze-drying temperature is -20 DEG C, and vacuum is 10Pa.
The thermal conductivity factor for measuring foam-like cotton fiber/graphene complex is 0.063.
Embodiment 2
In step (1), the mass fraction of the acetone soln is 15%, and soak time is 50min, and pick-up rate is 78%；
The pH value of the strong base solution is 13.5, and at 82 DEG C 1h45min is reacted；Wherein, the strong base solution mainly includes hydroxide
One of which in sodium, potassium hydroxide, the acid is the one of which in watery hydrochloric acid, dust technology, dilute sulfuric acid；
In step (2), the concentration of the graphene oxide is 20g/L；
In step (3), water of compaction is divided into the 75% of cotton fiber water suction total amount；
In step (4), the pH value of the alkaline solution is 9.5, the cotton fiber and alkaline solution of step (3) process
Volume ratio is 1:1；The alkaline solution mainly by ammoniacal liquor, NaOH, NaOH, sodium carbonate, sodium acid carbonate wherein
One or more composition；
In step (5), the hydrothermal temperature is 130 DEG C, and the hydro-thermal reaction time is 10h；
In step (6), first cotton fiber/graphene complex that step (5) is obtained is made into the sheet that thickness is 2cm, then
It is put into IQF in liquid nitrogen；
In step (7), the freeze-drying temperature is -17 DEG C, and vacuum is 7Pa.
The thermal conductivity factor for measuring foam-like cotton fiber/graphene complex is 0.055.
Embodiment 3
In step (1), the mass fraction of the acetone soln is 20%, and soak time is 40min, and pick-up rate is 75%；
The pH value of the strong base solution is 13, and at 85 DEG C 1h30min is reacted；Wherein, the strong base solution mainly include NaOH,
One of which in potassium hydroxide, the acid is the one of which in watery hydrochloric acid, dust technology, dilute sulfuric acid；
In step (2), the concentration of the graphene oxide is 30g/L；
In step (3), water of compaction is divided into the 70% of cotton fiber water suction total amount；
In step (4), the pH value of the alkaline solution is 10, the cotton fiber and alkaline solution of step (3) process
Volume ratio is 1:1.2；The alkaline solution is mainly by its in ammoniacal liquor, NaOH, NaOH, sodium carbonate, sodium acid carbonate
In one or more composition；
In step (5), the hydrothermal temperature is 140 DEG C, and the hydro-thermal reaction time is 8h；
In step (6), first cotton fiber/graphene complex that step (5) is obtained is made into the sheet that thickness is 3cm, then
It is put into IQF in liquid nitrogen；
In step (7), the freeze-drying temperature is -15 DEG C, and vacuum is 5Pa.
The thermal conductivity factor for measuring foam-like cotton fiber/graphene complex is 0.051.
Embodiment 4
In step (1), the mass fraction of the acetone soln is 25%, and soak time is 30min, and pick-up rate is 72%；
The pH value of the strong base solution is 12.5, and at 87 DEG C 1h15min is reacted；Wherein, the strong base solution mainly includes hydroxide
One of which in sodium, potassium hydroxide, the acid is the one of which in watery hydrochloric acid, dust technology, dilute sulfuric acid；
In step (2), the concentration of the graphene oxide is 40g/L；
In step (3), water of compaction is divided into the 65% of cotton fiber water suction total amount；
In step (4), the pH value of the alkaline solution is 10.5, cotton fiber and alkaline solution that the step (3) is processed
Volume ratio be 1:1.3；The alkaline solution is mainly by ammoniacal liquor, NaOH, NaOH, sodium carbonate, sodium acid carbonate
One or more of which is constituted；
In step (5), the hydrothermal temperature is 150 DEG C, and the hydro-thermal reaction time is 8h；
In step (6), first cotton fiber/graphene complex that step (5) is obtained is made into the sheet that thickness is 4cm, then
It is put into IQF in liquid nitrogen；
In step (7), the freeze-drying temperature is -12 DEG C, and vacuum is 3Pa.
The thermal conductivity factor for measuring foam-like cotton fiber/graphene complex is 0.044.
Embodiment 5
In step (1), the mass fraction of the acetone soln is 30%, and soak time is 30min, and pick-up rate is 70%；
The pH value of the strong base solution is 12, and at 90 DEG C 1h is reacted；Wherein, the strong base solution mainly includes NaOH, hydrogen-oxygen
Change the one of which in potassium, the acid is the one of which in watery hydrochloric acid, dust technology, dilute sulfuric acid；
In step (2), the concentration of the graphene oxide is 50g/L；
In step (3), water of compaction is divided into the 60% of cotton fiber water suction total amount；
In step (4), the pH value of the alkaline solution is 11, the cotton fiber and alkaline solution of step (3) process
Volume ratio is 1:1.5；The alkaline solution is mainly by its in ammoniacal liquor, NaOH, NaOH, sodium carbonate, sodium acid carbonate
In one or more composition；
In step (5), the hydrothermal temperature is 160 DEG C, and the hydro-thermal reaction time is 6h；
In step (6), first cotton fiber/graphene complex that step (5) is obtained is made into the sheet that thickness is 5cm, then
It is put into IQF in liquid nitrogen；
In step (7), the freeze-drying temperature is -10 DEG C, and vacuum is 1Pa.
The thermal conductivity factor for measuring foam-like cotton fiber/graphene complex is 0.054.
Embodiment 6
By foam-like cotton fiber obtained in embodiment 4/graphene complex blending together with untreated cotton fiber, institute
It is 40 that foam-like cotton fiber/graphene complex is stated with the mass percent of untreated cotton fiber:100, what is obtained is warming
The thermal conductivity factor of underwear line is 0.062.
Embodiment 7
By foam-like cotton fiber obtained in embodiment 4/graphene complex blending together with untreated cotton fiber, institute
It is 60 that foam-like cotton fiber/graphene complex is stated with the mass percent of untreated cotton fiber:100, what is obtained is warming
The thermal conductivity factor of underwear line is 0.055.
Embodiment 8
By foam-like cotton fiber obtained in embodiment 4/graphene complex blending together with untreated cotton fiber, institute
It is 80 that foam-like cotton fiber/graphene complex is stated with the mass percent of untreated cotton fiber:100, what is obtained is warming
The thermal conductivity factor of underwear line is 0.050.
Embodiment 9
By foam-like cotton fiber obtained in embodiment 4/graphene complex blending together with untreated cotton fiber, institute
It is 100 that foam-like cotton fiber/graphene complex is stated with the mass percent of untreated cotton fiber:100, what is obtained is warming
The thermal conductivity factor of underwear line is 0.048.
From embodiment 6-9, foam-like cotton fiber/content of the graphene complex in cold-proof underwear line is higher,
Its warming effect is better.But consider preparation cost and warming effect, the foam-like cotton fiber/graphene complex with
Untreated cotton fiber optimum quality percentage is 80:100.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (10)
1. a kind of cold-proof underwear, it is characterised in that：It is mainly fine by foam-like cotton fiber/graphene complex and untreated cotton
Dimension blending is formed, and the mass percent of the foam-like cotton fiber/graphene complex and untreated cotton fiber is 40～
100:100。
2. a kind of preparation method of cold-proof underwear, it is characterised in that：Comprise the steps：
(1) by cotton fiber, two leachings two are rolled in acetone soln, then the cotton fiber are being placed in strong base solution, in 80～90
React at DEG C, then with after acid neutralization, again deionized water rinsing, extruding are dried up；
(2) by the cotton fiber aqueous solution of the immersion containing graphene oxide of step (1) process, stirring makes graphene oxide and cotton
Fiber is sufficiently mixed；
(3) cotton fiber and graphene oxide mixed solution in step (2) is put in gauze, extruding removes unnecessary moisture；
(4) cotton fiber of step (3) process is put in alkaline solution, stirring under room temperature makes alkaline solution fully mix with cotton fiber
Close；
(5) mixed liquor that step (4) is obtained is transferred in autoclave, hydro-thermal reaction obtains cotton fiber/graphene complex；
(6) cotton fiber/graphene complex obtained in step (5) is put into into IQF in liquid nitrogen；
(7) cotton fiber/graphene complex after step (6) process is put in vacuum refrigerating machine, freeze-drying obtains loose
Foam-like cotton fiber/the graphene complex of porous；
(8) the loose porous foam-like cotton fiber/graphene complex for obtaining step (7) according to it is common spin technique with
Untreated cotton fiber blending together, then through bleachinging and dyeing, weaving cotton cloth, cutting out, sewing and obtaining cold-proof underwear.
3. the preparation method of cold-proof underwear according to claim 2, it is characterised in that：In the step (1), the acetone
The mass fraction of solution is 10～30%, and soak time is 0.5～1h, and pick-up rate is 70～80%；The pH of the strong base solution
It is worth for 12～14,1～2h is reacted at 80～90 DEG C.
4. the preparation method of cold-proof underwear according to claim 2, it is characterised in that：In the step (2), the oxidation
The concentration of Graphene is 10～50g/L.
5. the preparation method of cold-proof underwear according to claim 2, it is characterised in that：In the step (3), moisture is extruded
The 60～80% of the total amount that absorbs water for cotton fiber.
6. the preparation method of cold-proof underwear according to claim 2, it is characterised in that：In the step (4), the alkalescence
The pH value of solution is 9～11, and the cotton fiber that the step (3) is processed is 1 with the volume ratio of alkaline solution:0.8～1.5.
7. the preparation method of cold-proof underwear according to claim 2, it is characterised in that：In the step (5), the hydro-thermal
Reaction temperature is 120～160 DEG C, and the hydro-thermal reaction time is 6～12h.
8. the preparation method of cold-proof underwear according to claim 2, it is characterised in that：In the step (6), first by step
(5) cotton fiber/graphene complex for obtaining makes the sheet that thickness is 1～5cm, places into IQF in liquid nitrogen.
9. the preparation method of cold-proof underwear according to claim 2, it is characterised in that：In the step (7), the freezing
Baking temperature is -30～-20 DEG C, and vacuum is 1～10Pa.
10. the preparation method of cold-proof underwear according to claim 2, it is characterised in that：It is loose many in the step (8)
Foam-like cotton fiber/the graphene complex in hole is 40～100%wt of untreated cotton fiber.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112195586A (en) * | 2020-09-29 | 2021-01-08 | 贵州坤卓科技发展有限公司 | Preparation process of pure cotton thermal underwear |
| CN113308782A (en) * | 2021-06-25 | 2021-08-27 | 广东智益纺织科技有限公司 | Graphene knitted fabric and preparation method thereof |
| CN115072649A (en) * | 2021-03-15 | 2022-09-20 | 天辰创新材料科技股份有限公司 | Filling material structure and manufacturing method thereof |
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| CN112195586A (en) * | 2020-09-29 | 2021-01-08 | 贵州坤卓科技发展有限公司 | Preparation process of pure cotton thermal underwear |
| CN115072649A (en) * | 2021-03-15 | 2022-09-20 | 天辰创新材料科技股份有限公司 | Filling material structure and manufacturing method thereof |
| CN113308782A (en) * | 2021-06-25 | 2021-08-27 | 广东智益纺织科技有限公司 | Graphene knitted fabric and preparation method thereof |
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