CN107964779A - A kind of method for realizing polypropylene fabric surface super hydrophobic and the transformation of super hydrophilic invertible switch - Google Patents
A kind of method for realizing polypropylene fabric surface super hydrophobic and the transformation of super hydrophilic invertible switch Download PDFInfo
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- CN107964779A CN107964779A CN201711336263.XA CN201711336263A CN107964779A CN 107964779 A CN107964779 A CN 107964779A CN 201711336263 A CN201711336263 A CN 201711336263A CN 107964779 A CN107964779 A CN 107964779A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- 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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- 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
- D06M10/04—Physical treatment combined with treatment with chemical compounds or elements
- D06M10/06—Inorganic compounds or elements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
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- Inorganic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a kind of method for realizing polypropylene fabric surface super hydrophobic and the transformation of super hydrophilic invertible switch.By the way that the conventional nonisulated liquid of super hydrophilic polypropylene fabric with good wicking performance is infiltrated, handled through electromagnetic field, realize polypropylene fabric from the super hydrophilic transformation to super hydrophobic functional；Then by the way that super-hydrophobic polypropylene fabric is handled under high temperature, high pressure, super-humid conditions, realize that the above method from super-hydrophobic to super hydrophilic work(conversion of energy, is alternately realized polypropylene fabric surface super hydrophobic and the transformation of super hydrophilic invertible switch by polypropylene fabric.The present invention realizes that the super hydrophilic and hydrophobic invertible switch of conventional polypropylene fabric changes by physical action, and there is performance to stablize, it is of low cost, energy-efficient, environmental-friendly, to fabric character without any negative effect the characteristics of.
Description
Technical field
The invention belongs to technical field of surface, is related to a kind of polypropylene fabric surface super hydrophobic and super hydrophilic invertible switch
The method of transformation.
Background technology
Surface wettability is one of important attribute of material surface, is widely present in nature, chemical industry, material science
Deng solid-fluid, in fluid-fluid system.The wellability of material surface is together decided on by its Surface Physical Chemistry property, example
Physical uniformity (roughness), chemical uniformity (component) such as surface directly affect the wetting capacity on surface.This property exists
The FIELD OF THE INVENTIONThes such as chemical, environment food, soil, building, cosmetics and biomedicine produce important influence, especially exist
In antifog, automatically cleaning, water-oil separating field, surface infiltration is one of most important factor.Superhydrophilic and super-hydrophobicity are tables
The main forms of face wellability, the liquid and the contact angle at interface that ordinary meaning is taken on interface are at 150 degree or so
It is super-hydrophobic, when the liquid of interface surface and the contact angle at interface are below 10 degree to be super hydrophilic.People are by adjusting material
Surface microstructure and chemical composition are changed mutually to reach the hydrophobicity of the surface of solids with hydrophilic.In particular with a variety of
Extraneous factor stimulates, such as light, temperature, solvent and pH value etc. realize the adjusting of Wettability of Solid Surface, prepared it is hydrophobic-
The intelligent response functional material of hydrophilic reversible transformation.Material with this property is switched in drug delivery, microfluid
And oily water separation technique etc. suffers from potential application foreground.
Chinese invention patent CN103570026A discloses a kind of silica material of super-hydrophobic-hyreversible reversible switch function
Material, silica is placed in organic solvent with silane and is stirred, it is washed, drain after obtain having the super thin of pH value response
The improved silica material of water-hydrophilic switch function, but the surface high molecular polymerization of silica has process complexity, it is difficult to
The shortcomings of control.
Chinese patent 200810182214.X discloses a kind of preparation method of super hydrophobic-super hydrophilic converting paining.Prepare
Polytetrafluoroethylene emulsion/carbon fluoride nano-tube composite coating, by different heating-up temperatures come adjust the surface chemistry of coating composition and
Micro-structure, so as to fulfill super-hydrophobic-super hydrophilic transformation of coating surface, but employs organic solvent in this method preparation process,
There are problem of environmental pollution.
Document (Superphobicity/philicity Janus Fabrics with Switchable,
Spontaneous, Directional Transport Ability to Water and Oil Fluids, SCIENTIFIC
REPORTS, 2013,3,2964) a kind of coating material of super-hydrophobic-super hydrophilic invertible switch function is reported, the material is with cotton
Fabric is base material, introduces poly- fluoro alkyl-silane as hydrophobic monomer, real by two step wet-chemical coatings and continuous UV radiation treatments
Super-hydrophobic-super hydrophilic transformation of existing coating surface.Chinese invention patent CN105887158A discloses a kind of super-hydrophobic and super close
Nano-metal-oxide array of water reversible transition function and preparation method thereof.By preparing nano-metal-oxide array,
Through Overheating Treatment, ultraviolet light and heating Recovery Process, super-hydrophobic under different oil phases-super hydrophilic reversible transition is realized
Function.But above two method all employs fluorine-containing reagent, and there are problem of environmental pollution.
Although above-mentioned technology can successfully prepare the material of super-hydrophobic-hydrophilic reversible transition, there are fluorine-containing reagent and
The materials such as metal oxide, complex process, energy consumption are big, of high cost and pollution environment.
The content of the invention
Polypropylene fabric surface super hydrophobic and super hydrophilic reversible is realized with physical method it is an object of the invention to provide one kind
The method for switching transformation.
The principle of the present invention is：The super-hydrophobic and super hydrophilic invertible switch for realizing polypropylene fabric using physical method changes.
The present invention is realized by the following method：
First, super hydrophilic polypropylene fabric is changed into super-hydrophobic：
At room temperature, the conventional nonisulated liquid of super hydrophilic polypropylene fabric with good wicking performance is infiltrated, then
It is placed between the upper bottom crown of electromagnetic inductor, is handled after a certain period of time through electromagnetic field, polypropylene fabric is taken into natural air drying, is had
There is the polypropylene fabric of ultra-hydrophobicity, realize polypropylene fabric from the super hydrophilic transformation to super hydrophobic functional
2nd, super-hydrophobic polypropylene fabric is changed into super hydrophilic：
Super-hydrophobic polypropylene fabric is positioned under high temperature, high pressure, super-humid conditions and handles certain time, then takes fabric
Go out, at room temperature natural air drying, obtain the polypropylene fabric with super hydrophilicity, polypropylene fabric reverts to Superhydrophilic at this time
Energy.
3rd, alternately step 1 and two is, it can be achieved that polypropylene fabric surface super hydrophobic and the transformation of super hydrophilic invertible switch.
The polypropylene fabric is preferably：Woven fabric, knitted fabric, non-woven fabric.
The nonisulated liquid is preferably：Tap water, brine, distilled water, deionized water.
The electromagnetic field processing time is preferably：2-3min.
The high temperature, high pressure, the temperature of super-humid conditions are preferably 100-115 DEG C, and pressure is preferably 1.2-1.7 normal atmospheres
Pressure, humidity is preferably 80%-100%.
It is preferably 1.5-3h that the time of certain time is handled under the high temperature, high pressure, super-humid conditions.
The present invention realizes that the super hydrophilic and hydrophobic of conventional polypropylene fabric is reversible using the method for electromagnetic field and high pressure heat and wet treatment
Switch transformation, forms intelligence " switch ".This method with performance stablize, it is of low cost, energy-efficient, environmental-friendly the characteristics of,
Since this method does not introduce any chemical reagents and top finish, while fabric intelligence " switch " effect is assigned, no
Understand the feel to polypropylene fabric, hot wet migration brings any negative effect.
Brief description of the drawings
Fig. 1 is the polypropylene fabric surface hydrophobe reversible transformation picture prepared by embodiment one；
Embodiment
For a better understanding of the present invention, the present invention is further illustrated with reference to the accompanying drawings and examples, but this
The embodiment not limited to this of invention.
Embodiment 1
At room temperature, by the woven polypropylene filament yarn twills of 300D/48F with being clamped in after originally water-soaked on electromagnetic inductor
Between bottom crown, after electromagnetic field handles 2min, super-hydrophobic Woven Fabric of Polypropylene Fibre is can obtain after polypropylene fabric is taken out natural air drying.
Then, super-hydrophobic Woven Fabric of Polypropylene Fibre is positioned over 115 DEG C, 1.7 atmospheric pressure, handles 1.5h under the conditions of relative humidity 100%, taken
Go out fabric, at room temperature natural air drying, obtain the Woven Fabric of Polypropylene Fibre with super hydrophilicity, Woven Fabric of Polypropylene Fibre is by super-hydrophobic at this time
Property revert to super hydrophilicity, the invertible switch that above-mentioned steps repeat that the close and distant property of the Woven Fabric of Polypropylene Fibre can be achieved is turned
Become.
The surface of Woven Fabric of Polypropylene Fibre surpasses hydrophilic and hydrophobic invertible switch transformation picture as shown in Figure 1, can by figure in embodiment 1
Know, under electromagnetic field effect, polypropylene fabric surface is super-hydrophobicity, after high temperature, high pressure, super-humid conditions processing, polypropylene fabric
Surface recovery is Superhydrophilic, and its super close and distant property has the performance of invertible switch transformation.
Embodiment 2
At room temperature, it will be clamped in after 450D/50F polypropylene fiber knitting thing salt water-soakeds on electromagnetic inductor between bottom crown, pass through
After electromagnetic field processing 2.5min, super-hydrophobic polypropylene fiber knitting thing is can obtain after polypropylene fiber knitting thing is taken out natural air drying.Then, will
Super-hydrophobic polypropylene fiber knitting thing is positioned over 110 DEG C, 1.5 atmospheric pressure, 2h is handled under the conditions of relative humidity 90%, takes out fabric,
Natural air drying at room temperature, obtains the polypropylene fiber knitting thing with super hydrophilicity, and polypropylene fiber knitting thing is reverted to by super-hydrophobicity at this time
Super hydrophilicity, the invertible switch that above-mentioned steps carry out repeating that the super close and distant property of the polypropylene fiber knitting thing can be achieved is changed.
Embodiment 3
At room temperature, will be clamped in after the woven polypropylene filament yarn plain cloth distillation water-soakeds of 300D/48F on electromagnetic inductor
It is woven by can obtain super-hydrophobic polypropylene fibre after Woven Fabric of Polypropylene Fibre taking-up natural air drying after electromagnetic field handles 3min between bottom crown
Thing.Then, super-hydrophobic Woven Fabric of Polypropylene Fibre is positioned over 100 DEG C, 1.2 atmospheric pressure, handles 3h under the conditions of relative humidity 80%, taken
Go out fabric, at room temperature natural air drying, obtain the Woven Fabric of Polypropylene Fibre with super hydrophilicity, Woven Fabric of Polypropylene Fibre is by super-hydrophobic at this time
Property reverts to super hydrophilicity, and above-mentioned steps are carried out to repeat the invertible switch that the super close and distant property of the Woven Fabric of Polypropylene Fibre can be achieved
Transformation.
Embodiment 4
At room temperature, it is clamped in after spun lacing polypropylene non-woven fabric is soaked with deionized water on electromagnetic inductor between bottom crown,
After electromagnetic field handles 2min, super-hydrophobic polypropylene fibre nonwoven fabric is can obtain after polypropylene fibre nonwoven fabric is taken out natural air drying.Then, will
Super-hydrophobic polypropylene fibre nonwoven fabric is positioned over 105 DEG C, 1.6 atmospheric pressure, 2h is handled under the conditions of relative humidity 100%, takes out fabric,
Natural air drying at room temperature, obtains the polypropylene fibre nonwoven fabric with super hydrophilicity, and polypropylene fibre nonwoven fabric is reverted to by super-hydrophobicity at this time
Super hydrophilicity, the invertible switch that above-mentioned steps carry out repeating that the super close and distant property of the polypropylene fibre adhesive-bonded fabric can be achieved is changed.
Claims (6)
- A kind of 1. method for realizing polypropylene fabric surface super hydrophobic and the transformation of super hydrophilic invertible switch, it is characterised in that this method The super-hydrophobic and super hydrophilic reversible transition of polypropylene fabric is realized by physical method, is comprised the following steps that：1.1 super hydrophilic polypropylene fabric is changed into it is super-hydrophobic：At room temperature, by conventional super hydrophilic third with good wicking performance Synthetic fibre fabric is infiltrated with nonisulated liquid, and is placed between the upper bottom crown of electromagnetic inductor, is handled after a certain period of time through electromagnetic field, Polypropylene fabric is taken into natural air drying, obtains the polypropylene fabric with ultra-hydrophobicity, realizes polypropylene fabric from super hydrophilic to super The transformation of hydrophobic function；1.2 super-hydrophobic polypropylene fabric is changed into it is super hydrophilic：Super-hydrophobic polypropylene fabric is positioned over high temperature, high pressure, super-humid conditions Lower processing certain time, then fabric is taken out, at room temperature natural air drying, obtains the polypropylene fabric with super hydrophilicity, Polypropylene fabric reverts to super hydrophilicity at this time；1.3 alternately steps 1.1 and step 1.2 can realize that polypropylene fabric surface super hydrophobic and super hydrophilic invertible switch turn Become.
- 2. a kind of method for realizing polypropylene fabric surface super hydrophobic and the transformation of super hydrophilic invertible switch as claimed in claim 1, It is characterized in that, the polypropylene fabric is woven fabric, knitted fabric, non-woven fabric etc..
- 3. a kind of method for realizing polypropylene fabric surface super hydrophobic and the transformation of super hydrophilic invertible switch as claimed in claim 1, It is characterized in that, the nonisulated liquid is tap water, and brine, distilled water, deionized water.
- 4. a kind of method for realizing polypropylene fabric surface super hydrophobic and the transformation of super hydrophilic invertible switch as claimed in claim 1, It is characterized in that, the time range of the electromagnetic field processing certain time is 2-3min.
- 5. a kind of method for realizing polypropylene fabric surface super hydrophobic and the transformation of super hydrophilic invertible switch as claimed in claim 1, It is characterized in that, the temperature range of the high temperature, high pressure, super-humid conditions is 100-115 DEG C, pressure limit is marked for 1.2-1.7 Quasi- atmospheric pressure, humidity range 80%-100%.
- 6. a kind of method for realizing polypropylene fabric surface super hydrophobic and the transformation of super hydrophilic invertible switch as claimed in claim 1, It is characterized in that, the time range that certain time is handled under high temperature, high pressure, super-humid conditions is 1.5-3h.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029349A (en) * | 2019-04-08 | 2019-07-19 | 青岛大学 | A kind of preparation and regulation method of super-hydrophobic/super hydrophilic reversible adjusting metal surface |
| CN110357090A (en) * | 2019-07-19 | 2019-10-22 | 广东工业大学 | A kind of preparation method of the Nano diamond hydrosol |
| CN114016189A (en) * | 2021-10-21 | 2022-02-08 | 武汉纺织大学 | Fixed-point/non-fixed-point hydrophilic-hydrophobic controllable fabric and preparation method thereof |
-
2017
- 2017-12-13 CN CN201711336263.XA patent/CN107964779A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029349A (en) * | 2019-04-08 | 2019-07-19 | 青岛大学 | A kind of preparation and regulation method of super-hydrophobic/super hydrophilic reversible adjusting metal surface |
| CN110029349B (en) * | 2019-04-08 | 2020-12-04 | 青岛大学 | Preparation and regulation method of super-hydrophobic/super-hydrophilic reversible regulation metal surface |
| CN110357090A (en) * | 2019-07-19 | 2019-10-22 | 广东工业大学 | A kind of preparation method of the Nano diamond hydrosol |
| CN110357090B (en) * | 2019-07-19 | 2020-12-29 | 广东工业大学 | Preparation method of nano-diamond hydrosol |
| CN114016189A (en) * | 2021-10-21 | 2022-02-08 | 武汉纺织大学 | Fixed-point/non-fixed-point hydrophilic-hydrophobic controllable fabric and preparation method thereof |
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Application publication date: 20180427 |