CN109137476A - One kind being based on TiO2The preparation method of the bionic super-hydrophobic cotton fabric of nanotube - Google Patents
One kind being based on TiO2The preparation method of the bionic super-hydrophobic cotton fabric of nanotube Download PDFInfo
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- CN109137476A CN109137476A CN201811056837.2A CN201811056837A CN109137476A CN 109137476 A CN109137476 A CN 109137476A CN 201811056837 A CN201811056837 A CN 201811056837A CN 109137476 A CN109137476 A CN 109137476A
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- 239000004744 fabric Substances 0.000 title claims abstract description 63
- 239000002071 nanotube Substances 0.000 title claims abstract description 61
- 229920000742 Cotton Polymers 0.000 title claims abstract description 45
- 230000003075 superhydrophobic effect Effects 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 21
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 42
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 39
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000012153 distilled water Substances 0.000 claims abstract description 25
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 238000011010 flushing procedure Methods 0.000 claims abstract description 13
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 12
- 239000002105 nanoparticle Substances 0.000 claims abstract description 12
- 238000005554 pickling Methods 0.000 claims abstract description 9
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 8
- 239000006228 supernatant Substances 0.000 claims abstract description 8
- 238000002604 ultrasonography Methods 0.000 claims abstract description 8
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910000077 silane Inorganic materials 0.000 claims abstract description 7
- 230000007935 neutral effect Effects 0.000 claims abstract description 5
- 238000010907 mechanical stirring Methods 0.000 claims abstract description 4
- -1 perfluoro Chemical group 0.000 claims description 15
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000003301 hydrolyzing effect Effects 0.000 claims 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000007598 dipping method Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 18
- 238000001035 drying Methods 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 235000019441 ethanol Nutrition 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 230000007062 hydrolysis Effects 0.000 description 5
- 229910021389 graphene Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000003115 biocidal effect Effects 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 2
- 229920005573 silicon-containing polymer Polymers 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 229960003638 dopamine Drugs 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000001595 mastoid Anatomy 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- YWYZEGXAUVWDED-UHFFFAOYSA-N triammonium citrate Chemical compound [NH4+].[NH4+].[NH4+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O YWYZEGXAUVWDED-UHFFFAOYSA-N 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000009736 wetting Methods 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
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
-
- 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
- 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
- D06M2200/12—Hydrophobic properties
-
- 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
- D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
-
- 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
- D06M2200/35—Abrasion, pilling or fibrillation resistance
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention proposes one kind to be based on TiO2The preparation method of the bionic super-hydrophobic cotton fabric of nanotube comprising the steps of: (1) take TiO2Nano particle is dissolved in NaOH solution, ultrasound, is protected from light after mechanical stirring for above-mentioned solution to be placed in hydrothermal reaction kettle and be reacted；It is later 1 with pickling to supernatant pH that reaction product, which is 7 with distilled water flushing to pH, then is neutral, dry, obtained TiO with distilled water flushing to pH2Nanotube is kept in dark place；(2) TiO is taken2Nanotube is added in the ethanol solution of silane, ultrasonic vibration；Distilled water is added, hydrophobization TiO can be obtained through hydrolysis2Nanotube finishing fluid；(3) cotton fabric is impregnated in hydrophobization TiO under room temperature2It is taken out in nanotube finishing fluid, after dipping and 60 DEG C dries, obtain super-hydrophobic cotton fabric.Cotton fabric prepared by the present invention has good ultra-hydrophobicity, ventilative, automatically cleaning, uvioresistant and wearability good, has extremely significant application prospect.
Description
Technical field
The present invention relates to functional fabric technical fields, and in particular to one kind is based on TiO2The bionic super-hydrophobic cotton of nanotube is knitted
The preparation method of object.
Background technique
Super-hydrophobicity refers to that the contact angle of water droplet and the surface of solids is more than a kind of wetting of 150o and roll angle less than 10o
Property.Typical Representative in nature has: lotus leaf, Rice Leaf etc..Super hydrophobic surface due to resist wet, it is anti-stick, automatically cleaning,
The good characteristics such as anticorrosion, ice-covering-proof, antifouling and antibiosis, fluid drag-reduction have wide answer in fields such as weaving, aviation, buildings
Use potentiality.In order to which in the micro-nano rough interfaces of textile fabric surface construction low-surface-energy, main method is by micro-nano at present
Grain arranges to fiber surface the concaveconvex structure for forming similar lotus leaf " mastoid process ".And in fact, other than dot matrix concaveconvex structure, line
The micro-nano array such as rice of property, the micro-nano coarse structure of sheet such as butterfly, network-like coarse structure such as nano fiber non-woven fabric, together
Sample can be the super-drainage structure for realizing the excellent even unidirectional water guide function of ultra-hydrophobicity.However, textile fabric is mainly by having
Machine fiber composition, to strong acid, highly basic poor resistance, soft fabric and surface are rough porous structure, to mechanical property and clothes
Comfort requires height, can not utilize etching, the processing of the methods of plated film.Therefore, the nano superhydrophobic textile fabric of non-dairy lug structure
It is free on always and studies except this visual field.
It is many about the related patents of superhydrophobic fabric at present, if Chinese invention patent is " a kind of super-hydrophobic antibiotic fabric
In preparation method " (CN 108385375A), a kind of preparation method of super-hydrophobic antibiotic fabric is disclosed, this method is at room temperature
Fabric is handled using the Tris buffer solution of dopamine, then fabric is impregnated in silver nitrate, ammonium citrate and boric acid
Mixed solution in, obtain the fabric harsh surface that is constructed by nano silver after taking out drying；Again with floride-free water repellent to nano silver
The fabric harsh surface of construction is post-processed, and fabric low-surface-energy is assigned；As Chinese invention patent is " a kind of graphene-based super thin
In water fabric and preparation method thereof " (CN 107858825A), a kind of preparation method of graphene-based superhydrophobic fabric is disclosed,
This method first carries out surface to graphene oxide with the silane coupling agent of the base containing S-H and is modified, and obtains the modification oxygen of surface base containing S-H
Graphite alkene；Then, at room temperature, modified graphene oxide and end-vinyl dimethyl silicone polymer are dispersed in a solvent simultaneously
Uniform stirring adds crosslinking agent and photoinitiator, continues stirring and forms uniform solution；Finally, using dip coating by fabric
It is immersed in the mixed solution of preparation, by ultraviolet light after taking-up, makes to adhere on modified graphene oxide on the fabric
S-H base and end-vinyl dimethyl silicone polymer on C=C double bond occur mercapto alkene reaction, be finally made graphene-based super thin
Water fabric.But these methods for preparing superhydrophobic fabric have complex steps, the caducous problem of modified layer at present
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of based on TiO2The bionic super-hydrophobic cotton fabric of nanotube
Preparation method, by with silane-modified TiO2Nano material, it is obtained to be based on TiO2The bionic super-hydrophobic cotton fabric of nanotube is not
Only have many advantages, such as good ultra-hydrophobicity, also there is good ventilative, automatically cleaning, uvioresistant, and the company for passing through chemical bond
Meet the TiO that can effectively promote silicon fluoride modification2Fastness between nanotube and cotton fabric improves wearability.
The present invention provides a kind of based on TiO2The preparation method of the bionic super-hydrophobic cotton fabric of nanotube includes following step
It is rapid:
(1) TiO is taken2Nano particle is dissolved in NaOH solution, and ultrasound is at the first time, incites somebody to action after being protected from light the second time of mechanical stirring
Above-mentioned solution, which is placed in hydrothermal reaction kettle, to react；Reaction product distilled water flushing is to pH for 7 later with pickling to supernatant
PH is 1, then is neutral, dry, obtained TiO with distilled water flushing to pH2Nanotube is kept in dark place；
(2) TiO is taken2Nanotube is added in the ethanol solution of silane, the ultrasonic vibration third time；Distilled water, warp is added
Hydrophobization TiO can be obtained in the 4th time of hydrolysis2Nanotube finishing fluid；
(3) cotton fabric is impregnated in hydrophobization TiO under room temperature2In nanotube finishing fluid, taken out simultaneously after impregnating for the 5th time
60 DEG C of drying, obtain super-hydrophobic cotton fabric.
As further improvement of the invention, silane includes perfluoro capryl triethoxysilane, and the ethyl alcohol of the silane is molten
Liquid is volume between 2-10mL, and the mass concentration of the perfluoro capryl triethoxysilane is between 1%-5%.
As further improvement of the invention, the TiO2Nano particle and the mass ratio of the NaOH solution are 1:(80-
100), the TiO2The mass ratio of nanotube and the perfluoro capryl triethoxysilane is (3-6): 1, the distilled water and institute
It states perfluoro capryl triethoxysilane (25-50): 1, the cotton fabric and hydrophobization TiO2The mass ratio of nanotube finishing fluid is
1:(35-45)。
As further improvement of the invention, the cotton fabric and hydrophobization TiO2The bath raio of nanotube finishing fluid is 1:
(35-45), dip time 3-5h.
Improved as of the invention further, in step (1) in the hydrothermal reaction kettle 100-150 DEG C of reaction 24-
48h。
As further improvement of the invention, the ultrasonic power is 500-700W.
As further improvement of the invention, the speed of agitator is 300-500r/min.
As further improvement of the invention, the TiO2The quality of nano particle is between 0.6g~2g.
As further improvement of the invention, the volume of the NaOH solution is between 60mL~180mL, the NaOH
The concentration of solution is between 8-12mol/L.
It is clear to upper layer using 0.1-0.5mol/L HCl pickling in the step (1) as further improvement of the invention
Night pH is 1.
Improved as of the invention further, the first time between 0.5-1h, second time between 12-15h,
The third time, the 4th time, the 5th time was between 3-5h between 1-3h between 1-2h.
The invention has the following beneficial effects: the method for the present invention simple process, prepared cotton fabric not only has well
Ultra-hydrophobicity, also have many advantages, such as good ventilative, automatically cleaning, uvioresistant, and can effectively mention by the connection of chemical bond
Rise the TiO of silicon fluoride modification2Fastness between nanotube and cotton fabric improves wearability, in various bedding, sanitary material
The fields such as material, ornament materials have extremely significant application prospect.
Detailed description of the invention
Fig. 1 is the contact angle figure of dipping front and back cotton fabric.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, the embodiment described is the embodiment of part of representative of the invention, rather than whole embodiments, this field are general
Other all embodiments obtained belong to protection of the invention to logical technical staff without making creative work
Range.
A kind of silane-modified TiO2The preparation method of nanotube super hydrophobic material comprising the steps of:
(1) (0.6-2) gTiO is taken2Nano particle is dissolved in the NaOH solution of (60-180) mL (8-12) mol/L, (500-
Above-mentioned solution is placed in hydrothermal reaction kettle by 700W) ultrasound 0.5-1h after being protected from light mechanical stirring (300-500r/min) 12-15h,
100-150 DEG C of reaction 24-48h；Reaction product distilled water flushing uses (0.1-0.5) mol/LHCl pickling extremely after being 7 to pH
Supernatant pH is 1, then is neutral, dry, obtained TiO with distilled water flushing to pH2Nanotube is kept in dark place；
(2) TiO is taken2It is molten between the ethyl alcohol of 1%-5% that nanotube is added to perfluoro capryl triethoxysilane mass concentration
In liquid (2-10) mL, (500-700W) ultrasonic vibration 1-2h；Distilled water is added, hydrophobization can be obtained through hydrolysis 1-3h
TiO2Nanotube finishing fluid；
(3) 1g cotton fabric is impregnated in (35-45) mL hydrophobization TiO under room temperature2In nanotube finishing fluid, impregnate (3-5h)
It takes out afterwards and 60 DEG C dries, obtain super-hydrophobic cotton fabric.
Embodiment 1 is based on TiO2The preparation of the bionic super-hydrophobic cotton fabric of nanotube
(1) 0.6g TiO is taken2In nano particle and 60mL 12mol/LNaOH solution, 500W ultrasound 1h is protected from light machinery and stirs
Above-mentioned solution is placed in hydrothermal reaction kettle after mixing (300r/min) 15h, hydro-thermal reaction is for 24 hours at 100 DEG C；Reaction product distillation
It is after 7 with 0.5mol/LHCL pickling to supernatant pH is 1 that water, which is flushed to pH, then with distilled water flushing to pH is neutrality,
TiO is made in 150 DEG C of dryings2Nanotube is kept in dark place；
(2) 0.3gTiO is taken2Nanotube is added to 10mL 10g/L perfluoro capryl triethoxysilane and is dissolved in 10mL ethyl alcohol
In, 500W ultrasonic vibration 2h；5g distilled water is added, hydrophobization TiO can be obtained through hydrolysis 3h2Nanotube finishing fluid；
(3) 1g cotton fabric is impregnated in 35mL hydrophobization TiO under room temperature2In nanotube finishing fluid, taken out simultaneously after impregnating 3h
60 DEG C of drying, obtain super-hydrophobic cotton fabric.
Embodiment 2 is based on TiO2The preparation of the bionic super-hydrophobic cotton fabric of nanotube
(1) 1g TiO is weighed2Nano particle is dissolved in 80mL 8mol/L NaOH solution, and 700W ultrasound 30min is protected from light machine
Above-mentioned solution is placed in hydrothermal reaction kettle after tool stirring (500r/min) 12h, hydro-thermal reaction 48h at 150 DEG C；Reaction product is used
Distilled water flushing to pH be 7 after with 0.1mol/LHCL pickling to supernatant PH be 1, then with distilled water flushing to pH be it is neutral,
TiO is made in the 150 DEG C of dryings of above-mentioned product2Nanotube is kept in dark place；
(2) 0.6gTiO is taken2Nanotube is added to 10mL 10g/L perfluoro capryl triethoxysilane and is dissolved in 2mL ethyl alcohol,
700W ultrasonic vibration 1h；2.5g distilled water is added, hydrophobization TiO can be obtained through hydrolysis 1h2Nanotube finishing fluid；
(3) 1g cotton fabric is impregnated in 45mL hydrophobization TiO under room temperature2In nanotube finishing fluid, 60 are taken out after impregnating 5h
DEG C drying, obtain super-hydrophobic cotton fabric.
Embodiment 3 is based on TiO2The preparation of the bionic super-hydrophobic cotton fabric of nanotube
(1) 2g TiO is taken2In nano particle and 180mL 10mol/L NaOH solution, 600W ultrasound 45min is protected from light machinery
Above-mentioned solution is placed in hydrothermal reaction kettle after stirring (400r/min) 13h, 120 DEG C of reaction 36h；Reaction product is rushed with distilled water
It with 0.3mol/LHCL pickling to supernatant pH is 1 that wash pH, which be after 7, then with distilled water flushing to pH is neutrality, 150 DEG C
It is dry, TiO is made2Nanotube is kept in dark place；
(2) 0.45g TiO is taken2Nanotube is added to 10mL 10g/L perfluoro capryl triethoxysilane and is dissolved in 4mL ethyl alcohol
In, 600W ultrasonic vibration 1.5h；4g distilled water is added, hydrophobization TiO can be obtained through hydrolysis 2h2Nanotube finishing fluid；
(3) 1g cotton fabric is impregnated in 40mL hydrophobization TiO under room temperature2In nanotube finishing fluid, taken out simultaneously after impregnating 4h
60 DEG C of drying, obtain super-hydrophobic cotton fabric.
Embodiment 4 is based on TiO2The preparation of the bionic super-hydrophobic cotton fabric of nanotube
(1) 1.5g TiO is taken2In nano particle and 150mL 10mol/L NaOH solution, 600W ultrasound 50min is protected from light machine
Above-mentioned solution is placed in hydrothermal reaction kettle after tool stirring (400r/min) 14h, 130 DEG C of reaction 40h；Reaction product distilled water
It with 0.4mol/LHCL pickling to supernatant pH is 1 that be flushed to pH, which be after 7, then with distilled water flushing to pH is neutrality, 150
TiO is made in DEG C drying2Nanotube is kept in dark place；
(2) 0.45g TiO is taken2Nanotube is added to 10mL 10g/L perfluoro capryl triethoxysilane and is dissolved in 6mL ethyl alcohol
In, 600W ultrasonic vibration 2h；4g distilled water is added, hydrophobization TiO can be obtained through hydrolysis 3h2Nanotube finishing fluid；
(3) 1g cotton fabric is impregnated in 40mL hydrophobization TiO under room temperature2In nanotube finishing fluid, taken out simultaneously after impregnating 4h
60 DEG C of drying, obtain super-hydrophobic cotton fabric.
Those skilled in the art is not under conditions of departing from the spirit and scope of the present invention that claims determine, also
Various modifications can be carried out to the above content.Therefore the scope of the present invention is not limited in above explanation, but by
The range of claims determines.
Claims (10)
1. a kind of preparation method of the bionic super-hydrophobic cotton fabric based on TiO2 nanotube, which is characterized in that comprise the steps of:
(1) TiO is taken2Nano particle is dissolved in NaOH solution, and ultrasound is at the first time, and being protected from light after the second time of mechanical stirring will be above-mentioned
Solution, which is placed in hydrothermal reaction kettle, to react；Reaction product is after 7 with distilled water flushing to pH
1, then be neutral, dry, obtained TiO with distilled water flushing to pH2Nanotube is kept in dark place；
(2) TiO is taken2Nanotube is added in the ethanol solution of silane, the ultrasonic vibration third time；Distilled water is added, it is anti-through hydrolyzing
Answered for the 4th time hydrophobization TiO can be obtained2Nanotube finishing fluid；
(3) cotton fabric is impregnated in hydrophobization TiO under room temperature2In nanotube finishing fluid, is taken out after impregnating for the 5th time and 60 DEG C are dried
It is dry, obtain super-hydrophobic cotton fabric.
2. a kind of preparation method of bionic super-hydrophobic cotton fabric based on TiO2 nanotube according to claim 1, special
Sign is: the silane includes perfluoro capryl triethoxysilane, and the ethanol solution of the silane is volume between 2-10mL, institute
The mass concentration of perfluoro capryl triethoxysilane is stated between 1%-5%.
3. a kind of preparation method of bionic super-hydrophobic cotton fabric based on TiO2 nanotube according to claim 2, special
Sign is: the TiO2Nano particle and the mass ratio of the NaOH solution are 1:(80-100), the TiO2Nanotube with it is described
The mass ratio of perfluoro capryl triethoxysilane is (3-6): 1, the distilled water and the perfluoro capryl triethoxysilane
(25-50): 1, the cotton fabric and hydrophobization TiO2The mass ratio of nanotube finishing fluid is 1:(35-45).
4. a kind of preparation method of bionic super-hydrophobic cotton fabric based on TiO2 nanotube according to claim 1, special
Sign is: in step (1) in the hydrothermal reaction kettle 100-150 DEG C of reaction 24-48h.
5. a kind of preparation method of bionic super-hydrophobic cotton fabric based on TiO2 nanotube according to claim 1, special
Sign is: the ultrasonic power is 500-700W.
6. a kind of preparation method of bionic super-hydrophobic cotton fabric based on TiO2 nanotube according to claim 1, special
Sign is: the speed of agitator is 300-500r/min.
7. a kind of preparation method of bionic super-hydrophobic cotton fabric based on TiO2 nanotube according to claim 1, special
Sign is: the TiO2The quality of nano particle is between 0.6g~2g.
8. a kind of preparation method of bionic super-hydrophobic cotton fabric based on TiO2 nanotube according to claim 1, special
Sign is: the volume of the NaOH solution is between 60mL~180mL, and the concentration of the NaOH solution is between 8-12mol/L.
9. a kind of preparation method of bionic super-hydrophobic cotton fabric based on TiO2 nanotube according to claim 1, special
Sign is: using in the step (1) 0.1-0.5mol/LHCl pickling to supernatant pH for 1.
10. a kind of preparation method of bionic super-hydrophobic cotton fabric based on TiO2 nanotube according to claim 1, special
Sign is: the first time, second time, the third time was between 1-2h, institute between 12-15h between 0.5-1h
Stated for the 4th time between 1-3h, the 5th time is between 3-5h.
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