CN106617328B - A kind of preparation method of cold-proof underwear - Google Patents
A kind of preparation method of cold-proof underwear Download PDFInfo
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- CN106617328B CN106617328B CN201611078663.0A CN201611078663A CN106617328B CN 106617328 B CN106617328 B CN 106617328B CN 201611078663 A CN201611078663 A CN 201611078663A CN 106617328 B CN106617328 B CN 106617328B
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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
Abstract
The invention discloses a kind of preparation methods of cold-proof underwear, include the following steps：First cotton fiber is pre-processed, then by immersion graphene oxide solution in, the cotton fiber containing graphene oxide is put into alkaline solution again, quick-frozen shaping after hydro-thermal reaction, vacuum freeze drying, loose porous foam-like cotton fiber/graphene composite material is obtained, the foam-like cotton fiber/graphene composite material is blended together with untreated cotton fiber, the cold-proof underwear is made according still further to conventional subsequent step.Cold-proof underwear high insulating effect produced by the present invention, gas permeability and water imbibition are good, have antistatic, antibacterial and other effects.
Description
Technical field
The invention belongs to garment industry more particularly to a kind of preparation methods of cold-proof underwear.
Background technology
As temperature drastically reduces, northern late autumn seems especially cold.In order to spend the years very long before heating arrives,
One chemical industry doctor of Tsinghua University summarizes three resisting cold new moves, one of them is order of wearing the clothes.He is the study found that by thermal conductivity factor
Low wind coat is through inside the big autumn clothing of thermal conductivity factor, has preferably resisting cold effect.However, the fabric of wind coat is too stiffening,
It is not appropriate for wearing next to the skin.Also there is the cold-proof underwear that thermal conductivity factor is low, comfort level is higher in the prior art, but it is generally multilayer
Structure, base layers and outer layer are that fiber cloth is made, and interlayer 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 problems to be solved by the invention are to provide that a kind of thermal conductivity factor is low, fabric comfort level is high, manufacture craft is simple
Cold-proof underwear, the heat human body to be distributed firmly is collected at around body.
The content of the invention
Present invention seek to address that the problem of being mentioned in background technology, provide that a kind of thermal conductivity factor is low, fabric is soft, makes work
The preparation method of the simple cold-proof underwear of skill, the heat human body to be distributed firmly are collected at around body.
To solve the above-mentioned problems, present invention employs following technical schemes：
A kind of cold-proof underwear, it is mainly blended by foam-like cotton fiber/graphene complex and untreated cotton fiber and
Into the mass percent of the foam-like cotton fiber/graphene complex and untreated cotton fiber is 40~100:100.
A kind of preparation method of cold-proof underwear, includes the following steps：(1) by cotton fiber, two leachings two are rolled in acetone soln,
Then it is placed in strong base solution by the cotton fiber, is reacted at 80~90 DEG C, deionized water is used again after then being neutralized with acid
Rinsing squeezes drying；(2) cotton fiber by step (1) processing is immersed in the aqueous solution containing graphene oxide, and stirring makes oxidation
Graphene is sufficiently mixed with cotton fiber；(3) cotton fiber in step (2) and graphene oxide mixed solution are put into gauze,
It squeezes and removes extra moisture；(4) cotton fiber by step (3) processing is put into alkaline solution, and stirring at room temperature makes alkalescence molten
Liquid is sufficiently mixed with cotton fiber；(5) mixed liquor that step (4) obtains is transferred in autoclave, hydro-thermal reaction, obtains cotton fibre
Dimension/graphene complex；(6) cotton fiber/graphene complex made from step (5) is put into rapid freezing in liquid nitrogen；(7) will
Treated that cotton fiber/graphene complex is put into vacuum refrigerating machine for step (6), 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)
It is blended together with untreated cotton fiber according to the common technique that spins, then by bleachinging and dyeing, woven fabric, cutting out, sew and obtain
To cold-proof underwear.
As the improved technical solution of the present invention, in the step (1), the mass fraction of the acetone soln for 10~
30%, soaking 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.
As the improved technical solution of the present invention, in the step (2), the concentration of the graphene oxide is 10~50g/
L。
As the improved technical solution of the present invention, in the step (3), water of compaction be divided into cotton fiber water suction total amount 60~
80%.
As the improved technical solution of the present invention, in the step (4), the pH value of the alkaline solution is 9~11, described
The cotton fiber of step (3) processing and the volume ratio of alkaline solution are 1:0.8~1.5.
As the improved technical solution of the present invention, in the step (5), the hydrothermal temperature is 120~160 DEG C,
The hydro-thermal reaction time is 6~12h.
As the improved technical solution of the present invention, in the step (6), cotton fiber/graphene for first obtaining step (5)
The sheet that thickness is 1~5cm is made in compound, places into rapid freezing in liquid nitrogen.
As the improved technical solution of the present invention, in the step (7), the freeze-drying temperature is -30~-20 DEG C,
Vacuum degree is 1~10Pa.
As the improved technical solution of the present invention, in the step (8), loose porous foam-like cotton fiber/graphene
Compound is 40~100%wt of untreated cotton fiber.
Advantageous effect：
Compared with existing cold-proof underwear, preparation process very simple of the invention, cold-proof underwear obtained has heat preservation
Effect is good, antibacterial, it is antistatic the advantages that.Foam-like cotton fiber/graphene complex and cotton fiber are blended according to a certain percentage
Together, cold-proof underwear is then made again so that the underwear not only possesses the characteristics of thermal conductivity factor is low, also former with cotton fiber
The characteristics such as next fabric is soft, absorption of perspiration is good, wearing comfort is high；Simultaneously graphene also impart the cold-proof underwear antibacterial,
The characteristics such as antistatic.
Specific embodiment
In order to which those skilled in the art is made to become apparent from the clear understanding present invention, in conjunction with specific embodiment, to this hair
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 is blended together with untreated cotton fiber, then by bleachinging and dyeing, woven fabric, cut out, sew and obtain cold-proof underwear.Institute
The mass percent for stating foam-like cotton fiber/graphene complex and untreated cotton fiber is 40~100:100.
The preparation process of foam-like cotton fiber/graphene complex in the present invention is mainly：(1) by cotton fiber in acetone
Two leachings two are rolled in solution, are then placed in strong base solution by the cotton fiber, are reacted at 80~90 DEG C, are then neutralized with acid
It rinsed again with deionized water afterwards, squeeze drying；(2) the cotton fiber immersion of step (1) processing is contained into 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 into gauze, is squeezed and is removed extra moisture；(4) cotton fiber by step (3) processing is put into alkaline solution, room temperature
Lower stirring makes alkaline solution be sufficiently mixed with cotton fiber；(5) mixed liquor that step (4) obtains is transferred in autoclave, hydro-thermal
Reaction, obtains cotton fiber/graphene complex；(6) cotton fiber/graphene complex made from step (5) is put into liquid nitrogen
Rapid freezing；(7) by step (6), treated that cotton fiber/graphene complex is put into vacuum refrigerating machine, and freeze-drying obtains
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%, soaking time 1h, pick-up rate 80%；It is described
The pH value of strong base solution is 14, reacts 2h at 80 DEG C；Wherein, the strong base solution mainly includes sodium hydroxide, potassium hydroxide
In one of which, the acid is dilute hydrochloric acid, dust technology, the one of which in 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, the cotton fiber of step (3) processing and the body of alkaline solution
Product is than being 1:0.8；The alkaline solution mainly by ammonium hydroxide, sodium hydroxide, sodium hydroxide, sodium carbonate, sodium acid carbonate wherein
One or more composition, it is preferable that the alkaline solution is ammonium hydroxide；
In step (5), the hydrothermal temperature is 120 DEG C, the hydro-thermal reaction time 12h；
In step (6), the sheet that thickness is 1cm first is made in cotton fiber/graphene complex that step (5) obtains, then
It is put into rapid freezing in liquid nitrogen；
In step (7), the freeze-drying temperature is -20 DEG C, vacuum degree 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%, soaking time 50min, pick-up rate 78%；
The pH value of the strong base solution is 13.5, reacts 1h45min at 82 DEG C；Wherein, the strong base solution mainly includes hydroxide
One of which in sodium, potassium hydroxide, the acid is dilute hydrochloric acid, the one of which in 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 of step (3) processing and alkaline solution
Volume ratio is 1:1；The alkaline solution mainly by ammonium hydroxide, sodium hydroxide, sodium hydroxide, sodium carbonate, sodium acid carbonate wherein
One or more composition；
In step (5), the hydrothermal temperature is 130 DEG C, the hydro-thermal reaction time 10h；
In step (6), the sheet that thickness is 2cm first is made in cotton fiber/graphene complex that step (5) obtains, then
It is put into rapid freezing in liquid nitrogen；
In step (7), the freeze-drying temperature is -17 DEG C, vacuum degree 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%, soaking time 40min, pick-up rate 75%；
The pH value of the strong base solution is 13, reacts 1h30min at 85 DEG C；Wherein, the strong base solution mainly include sodium hydroxide,
One of which in potassium hydroxide, the acid is dilute hydrochloric acid, the one of which in 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 of step (3) processing and alkaline solution
Volume ratio is 1:1.2；The alkaline solution is mainly by its in ammonium hydroxide, sodium hydroxide, sodium hydroxide, sodium carbonate, sodium acid carbonate
Middle one or more compositions；
In step (5), the hydrothermal temperature is 140 DEG C, the hydro-thermal reaction time 8h；
In step (6), the sheet that thickness is 3cm first is made in cotton fiber/graphene complex that step (5) obtains, then
It is put into rapid freezing in liquid nitrogen；
In step (7), the freeze-drying temperature is -15 DEG C, vacuum degree 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%, soaking time 30min, pick-up rate 72%；
The pH value of the strong base solution is 12.5, reacts 1h15min at 87 DEG C；Wherein, the strong base solution mainly includes hydroxide
One of which in sodium, potassium hydroxide, the acid is dilute hydrochloric acid, the one of which in 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, the cotton fiber and alkaline solution of step (3) processing
Volume ratio be 1:1.3；The alkaline solution is mainly by ammonium hydroxide, sodium hydroxide, sodium hydroxide, sodium carbonate, sodium acid carbonate
One or more of which forms；
In step (5), the hydrothermal temperature is 150 DEG C, the hydro-thermal reaction time 8h；
In step (6), the sheet that thickness is 4cm first is made in cotton fiber/graphene complex that step (5) obtains, then
It is put into rapid freezing in liquid nitrogen；
In step (7), the freeze-drying temperature is -12 DEG C, vacuum degree 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%, soaking time 30min, pick-up rate 70%；
The pH value of the strong base solution is 12, reacts 1h at 90 DEG C；Wherein, the strong base solution mainly includes sodium hydroxide, hydrogen-oxygen
Change the one of which in potassium, the acid is dilute hydrochloric acid, the one of which in 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 of step (3) processing and alkaline solution
Volume ratio is 1:1.5；The alkaline solution is mainly by its in ammonium hydroxide, sodium hydroxide, sodium hydroxide, sodium carbonate, sodium acid carbonate
Middle one or more compositions；
In step (5), the hydrothermal temperature is 160 DEG C, the hydro-thermal reaction time 6h；
In step (6), the sheet that thickness is 5cm first is made in cotton fiber/graphene complex that step (5) obtains, then
It is put into rapid freezing in liquid nitrogen；
In step (7), the freeze-drying temperature is -10 DEG C, vacuum degree 1Pa.
The thermal conductivity factor for measuring foam-like cotton fiber/graphene complex is 0.054.
Embodiment 6
Blended together with untreated cotton fiber, the institute by foam-like cotton fiber/graphene complex made from embodiment 4
The mass percent for stating foam-like cotton fiber/graphene complex and untreated cotton fiber is 40:100, what is obtained is warming
The thermal conductivity factor of underwear line is 0.062.
Embodiment 7
Blended together with untreated cotton fiber, the institute by foam-like cotton fiber/graphene complex made from embodiment 4
The mass percent for stating foam-like cotton fiber/graphene complex and untreated cotton fiber is 60:100, what is obtained is warming
The thermal conductivity factor of underwear line is 0.055.
Embodiment 8
Blended together with untreated cotton fiber, the institute by foam-like cotton fiber/graphene complex made from embodiment 4
The mass percent for stating foam-like cotton fiber/graphene complex and untreated cotton fiber is 80:100, what is obtained is warming
The thermal conductivity factor of underwear line is 0.050.
Embodiment 9
Blended together with untreated cotton fiber, the institute by foam-like cotton fiber/graphene complex made from embodiment 4
The mass percent for stating foam-like cotton fiber/graphene complex and untreated cotton fiber is 100:100, what is obtained is warming
The thermal conductivity factor of underwear line is 0.048.
By embodiment 6-9 as it can be seen that foam-like cotton fiber/content of the graphene complex in cold-proof underwear line is higher,
Its warming effect is better.But consider manufacturing cost and warming effect, the foam-like cotton fiber/graphene complex with
Untreated cotton fiber optimum quality percentage is 80:100.
The foregoing is merely the embodiment of the present invention, are not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure or equivalent flow shift that bright description is made directly or indirectly is used in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (9)
1. a kind of preparation method of cold-proof underwear, it is characterised in that：Include the following steps：
(1) by cotton fiber, two leachings two are rolled in acetone soln, are then placed in by the cotton fiber in strong base solution, in 80~90
It is reacted at DEG C, is rinsed again with deionized water after then being neutralized with acid, squeezes drying；
(2) cotton fiber by step (1) processing is immersed in the aqueous solution containing graphene oxide, and stirring makes graphene oxide and cotton
Fiber is sufficiently mixed；
(3) cotton fiber in step (2) and graphene oxide mixed solution are put into gauze, squeeze and remove extra moisture；
(4) cotton fiber by step (3) processing is put into alkaline solution, and stirring at room temperature makes alkaline solution fully mixed with cotton fiber
It closes；
(5) mixed liquor that step (4) obtains is transferred in autoclave, hydro-thermal reaction obtains cotton fiber/graphene complex；
(6) cotton fiber/graphene complex made from step (5) is put into rapid freezing in liquid nitrogen；
(7) by step (6), treated that cotton fiber/graphene complex is put into vacuum refrigerating machine, and freeze-drying obtains loose
Porous foam-like cotton fiber/graphene complex；
(8) by loose porous foam-like cotton fiber/graphene complex that step (7) obtains according to it is common spin technique with
Untreated cotton fiber is blended together, then by bleachinging and dyeing, woven fabric, cut out, sew and obtain cold-proof underwear.
2. the preparation method of cold-proof underwear according to claim 1, it is characterised in that：In the step (1), the acetone
The mass fraction of solution is 10~30%, and soaking 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.
3. the preparation method of cold-proof underwear according to claim 1, it is characterised in that：In the step (2), the oxidation
The concentration of graphene is 10~50g/L.
4. the preparation method of cold-proof underwear according to claim 1, it is characterised in that：In the step (3), moisture is squeezed
The 60~80% of the total amount that absorbs water for cotton fiber.
5. the preparation method of cold-proof underwear according to claim 1, it is characterised in that：In the step (4), the alkalescence
The pH value of solution is 9~11, and the cotton fiber of step (3) processing and the volume ratio of alkaline solution are 1:0.8~1.5.
6. the preparation method of cold-proof underwear according to claim 1, 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.
7. the preparation method of cold-proof underwear according to claim 1, it is characterised in that：In the step (6), first by step
(5) sheet that thickness is 1~5cm is made in the cotton fiber/graphene complex obtained, places into rapid freezing in liquid nitrogen.
8. the preparation method of cold-proof underwear according to claim 1, it is characterised in that：In the step (7), the freezing
Drying temperature is -30~-20 DEG C, and vacuum degree is 1~10Pa.
9. the preparation method of cold-proof underwear according to claim 1, it is characterised in that：It is loose porous in the step (8)
Foam-like cotton fiber/graphene complex be untreated cotton fiber 40~100%wt.
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| CN112195586B (en) * | 2020-09-29 | 2023-06-09 | 贵州坤卓科技发展有限公司 | Continuous cotton fiber soaking and extruding equipment |
| TWI771951B (en) * | 2021-03-15 | 2022-07-21 | 天辰創新材料科技股份有限公司 | Filling material structure and manufacturing method thereof |
| CN113308782B (en) * | 2021-06-25 | 2022-05-13 | 广东智益纺织科技有限公司 | Graphene knitted fabric and preparation method thereof |
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| CN106120007A (en) * | 2016-06-24 | 2016-11-16 | 东华大学 | A kind of preparation method of continuous cellulose carbon nanomaterial composite aerogel fiber |
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