CN107419534A - A kind of superhydrophobic fibers felt and preparation method thereof - Google Patents
A kind of superhydrophobic fibers felt and preparation method thereof Download PDFInfo
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- CN107419534A CN107419534A CN201710513224.6A CN201710513224A CN107419534A CN 107419534 A CN107419534 A CN 107419534A CN 201710513224 A CN201710513224 A CN 201710513224A CN 107419534 A CN107419534 A CN 107419534A
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
- D06M15/256—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing fluorine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/001—Means for connecting filter housings to supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- 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
- D06M11/77—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 silicon or compounds thereof
- D06M11/79—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 silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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- D—TEXTILES; PAPER
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- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
- B01D2239/0428—Rendering the filter material hydrophobic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0471—Surface coating material
- B01D2239/0492—Surface coating material on fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
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- 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
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- 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
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/01—Stain or soil resistance
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- General Chemical & Material Sciences (AREA)
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Abstract
A kind of superhydrophobic fibers felt and preparation method thereof, including fibrofelt is cleaned by ultrasonic in acetone, absolute ethyl alcohol and deionized water successively, then dry；By cold curing fluorocarbon resin（FEVE）With two-component rigid olyurethane resin（SRP‑FC）It is added in organic solvent, after stirring, forms stable resin solution；Hydrophobicity aerosil nano particle and silicon fluoride are direct plungeed into ethanol, ultrasonic disperse is made into super-hydrophobic finish paint solution；Fibrofelt after cleaning is first placed into primer resin solution, taken out after dipping, squeeze out Excess resin and solvent, after drying in finish paint solution by way of Best-Effort request, super-hydrophobic coat is formed on the fibrofelt after resin treatment, re-dry solidifies, so as to obtain the mould proof superhydrophobic fibers felt of dirt-and moisture.
Description
Technical field
The invention belongs to hydrophobic coating field, is related to a kind of superhydrophobic fibers felt and preparation method thereof.
Background technology
Wetability is one of key character of the surface of solids, and the infiltration journey of liquid versus solid is generally characterized with contact angle
Degree, super hydrophobic surface generally refer to be more than 150 ° and surface of the roll angle less than 10 ° with the contact angle of water droplet.1997, Germany
Botanist Barthlott and Neinhuis disclose wax-like as the plant leaf surface micro-structural and hydrophobicity of representative using lotus leaf first
Super-hydrophobic phenomenon caused by material collective effect, and illustrate super-hydrophobicity and self-cleaning relation.Pass through constantly grinding for scholar
Study carefully, going out to prepare super-hydrophobic coat by the theory deduction of hydrophobic model needs to meet two primary conditions:(1) surface will have micro-nano
Coarse structure；(2) surface needs low surface free energy.At present, the method for preparing super hydrophobic surface mainly has：Collosol and gel
Method, etching method, PHASE SEPARATION method, electrochemical deposition method etc..Super hydrophobic surface has many unique performances:As self-cleaning property,
The characteristic such as frosting resistance, hydrophobic, oleophobic, low-friction coefficient.
Superhydrophobic fibers felt also has its unique function, can apply in fields such as medical product, anti-soil fabric and filterings.When
Before, the greatest problem that superhydrophobic fibers felt faces is the durability of fabric.At present, the mode for improving durability mainly has：Coating
The Covalent bonding together between fabric substrate, cross-linked coating etc..Wherein, coating crosslinking is a kind of method of effectively enhancing durability.
This method not only suitable polymers coating, and suitable polymers/particulate composite.When coating covalent bond fibrous substrate
When, the durability of coating can improve.
The content of the invention
The technical problem of solution：The present invention provides a kind of superhydrophobic fibers felt and preparation method thereof, the superhydrophobic fibers felt
Dirt-and moisture is mould proof, and fibrofelt prepared by this method can ensure the gas permeability of original fibrofelt, while fibrofelt is possessed
Good intensity, rigidity, deflection and wearability.
Technical scheme：A kind of preparation method of superhydrophobic fibers felt, preparation process are：(1) cleaning of fibrofelt：By fiber
Felt is cleaned by ultrasonic in acetone, absolute ethyl alcohol and deionized water successively, then dries；(2) primer resin solution is prepared：By room
Temperature solidification fluorocarbon resin (FEVE) and two-component rigid olyurethane resin (SRP-FC) are added in organic solvent, are stirred
Afterwards, stable primer resin solution is formed, the mass fraction of resin is 0.1%-20% in solution, and fluorocarbon resin is firm with two-component
The mass ratio 0.5 of property polyurethane resin:1~2:1；(3) super-hydrophobic finish paint solution is prepared：By mass parts, by 1-10 part hydrophobicitys
Aerosil nano particle and 0.5-2 part silicon fluorides are direct plungeed into 100 parts of ethanol, and ultrasonic disperse is made into super-hydrophobic face
Paint solution；Or continue to add 0.5-10 part polydimethylsiloxaneresins resins, then ultrasonic disperse, obtain super-hydrophobic finish paint solution；(4)
Superhydrophobic fibers felt is standby：Fibrofelt after cleaning is first placed into primer resin solution, taken out after dipping, it is unnecessary to squeeze out
Resin and solvent, after drying in super-hydrophobic finish paint solution by way of Best-Effort request, in the fiber after resin treatment
Super-hydrophobic coat, re-dry solidification, so as to obtain the mould proof superhydrophobic fibers felt of dirt-and moisture are formed on felt.
Preferably, above-mentioned organic solvent is at least one of acetone, tetrahydrofuran, butyl acetate.
Preferably, above-mentioned fibrofelt material is polyester fiber, paper fiber, wood-fibred, cotton fiber, glass fibre or rock wool
Fiber.
Best-Effort request described in step (4), it is that the fibrofelt after primer resin is handled is fixed on Best-Effort request machine
On, declined first with 100~3000 μm/s speed, lifted again with 5~500 μm/s after impregnating 10s~20min, hanging 10s~
Repeated twice with same decrease speed, dip time and the rate of climb again after 20min, finally fibrofelt is removed and dried.
Superhydrophobic fibers felt made from the above method.
Beneficial effect：(1) using the fibrofelt of the method for the invention processing, film layer simply is formd in fiber surface,
The gas permeability of original fibrofelt can be ensured, the super-hydrophobicity of formation can significantly reduce the absorption of dust and moisture, avoid being blocked
Cutting solid particle pollution fibrofelt reduces ventilation, while reduces mould growth even peculiar smell caused by moisture absorption.
(2) cold curing fluorocarbon resin and cold curing rigidity dual-component polyurethane blending resin are used as priming paint, a side
Face make use of the good adhesive force of polyurethane, permeability and wearability, on the other hand make use of the excellent weatherability of fluorocarbon resin,
Hydrophobicity and soil resistance, can dramatically increase the mechanical performances such as the intensity, rigidity and deflection of fibrofelt, effectively prevent from deforming, without
Prior art conventional woven wire or plastic frame anchoring fiber felt.
(3) dip-coating method can form uniform super-hydrophobic film layer by the self assembly of nano particle in fiber surface, keep away
Exempt to be difficult to form uniform film layer when rolling prepares super-hydrophobic finish paint using impregnating, it is difficult other methods such as also to avoid spraying, brush
To form super-hydrophobic coat on fibrofelt internal fiber surface.
(4) super-hydrophobic topcoat and fiber are remarkably improved by the way of Best-Effort request is combined using dipping rolling
The adhesion of felt, and increase the wearability of super-hydrophobic topcoat so that fibrofelt is also can be long under the conditions of severe dust storm when
Between keep stable super-hydrophobicity.
(5) cleaned with water or recoiled with gas using after certain service life using the fibrofelt of the method for the invention processing
The performance that can return to normal condition is washed, so that fibrofelt persistently keeps clean and improves service life, without replacing.
(6) the mould proof superhydrophobic fibers felt of dirt-and moisture prepared by the present invention, it is being Air Filter Filter Core using fibrofelt
Have important in device and be widely applied prospect.
Brief description of the drawings
Fig. 1 is schematic diagram of the embodiment of the present invention 1 using water droplet state on the mould proof superhydrophobic fibers felt of dirt-and moisture；
Fig. 2 is contact angle schematic diagram of the embodiment of the present invention 1 using the mould proof superhydrophobic fibers felt of dirt-and moisture；
Fig. 3 is scanning electron microscope diagram of the embodiment of the present invention 1 using the mould proof superhydrophobic fibers felt of dirt-and moisture.
Embodiment
Following examples only technical concepts and features to illustrate the invention, its object is to allow person skilled in the art
It is that can understand present disclosure and implement according to this, it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent transformation or modification that Spirit Essence is done, should all be included within the scope of the present invention.
Embodiment 1
Present embodiment prepares the mould proof superhydrophobic fibers felt of dirt-and moisture in accordance with the following steps：
(1) cleaning of fibrofelt：Fibrofelt is successively placed on surpassing with 400w in acetone, absolute ethyl alcohol and deionized water
Sound cleaning device is cleaned by ultrasonic 10min respectively, and 10min is dried in 80 DEG C of baking oven, and fibrofelt used is polyester fiber；
(2) primer resin solution is prepared：Cold curing fluorocarbon resin and two-component rigid olyurethane resin are added to molten
In agent, after 800r/min magnetic agitation 3min, stable resin solution is formed, wherein, the mass fraction of resin is
1%, the mass ratio of fluorocarbon resin and two-component rigid olyurethane resin is 0.5:1, solvent for use is acetone；
(3) super-hydrophobic finish paint solution is prepared：By mass parts, by 2 parts of hydrophobicity aerosil nano particles and 0.5 part
Silicon fluoride is direct plungeed into 100 parts of ethanol, and ultrasonic disperse is made into super-hydrophobic finish paint solution in 20 minutes, then adds 0.5 part poly- two
Methyl siloxane resin, ultrasonic disperse 20min, obtain the finish paint solution that can prepare wear-resisting super-hydrophobic coat；
(4) superhydrophobic fibers felt is standby：Fibrofelt after cleaning is first placed into primer resin solution, after impregnating 10s
Take out, Excess resin and solvent are squeezed out with double-roll rolling mill rolling, then 10min is dried in 80 DEG C of baking oven, then in finish paint
In solution by way of Best-Effort request, super-hydrophobic coat is formed on the fibrofelt after resin treatment, then at 80 DEG C
Dry solidification 1h in baking oven, so as to obtain the mould proof superhydrophobic fibers felt of dirt-and moisture；Wherein, Best-Effort request is will to pass through priming paint tree
Fibrofelt is fixed on Best-Effort request machine after fat processing, is declined first with 3000 μm/s speed, again with 500 μm/s after dipping 1min
Lifted, repeated twice with same decrease speed, dip time and the rate of climb after hanging 1min, finally remove fibrofelt again
Dry.
Fig. 1 is state of the water droplet on the mould proof superhydrophobic fibers felt of dirt-and moisture, it can be seen that the fibrofelt tool after processing
There is obvious hydrophobic effect；Fig. 2 is the contact angle of the water droplet fibrofelt after treatment of contact angle measurement measurement, contact now
Angle is up to 158 °, and its roll angle, again smaller than 10 °, this shows the super-hydrophobic effect of the fibrofelt after processing；After Fig. 3 is processing
Fibrofelt scanning electron microscope diagram, it can be seen that fiber is wrapped up by substantial amounts of nanometer silicon dioxide particle, and this is fiber
Felt has the reason for super-hydrophobic effect.
Embodiment 2
Present embodiment prepares the mould proof superhydrophobic fibers felt of dirt-and moisture in accordance with the following steps：
(1) cleaning of fibrofelt：Fibrofelt is successively placed on surpassing with 400w in acetone, absolute ethyl alcohol and deionized water
Sound cleaning device is cleaned by ultrasonic 10min respectively, and 10min is dried in 80 DEG C of baking oven, and fibrofelt used is paper fiber；
(2) primer resin solution is prepared：Cold curing fluorocarbon resin and two-component rigid olyurethane resin are added to molten
In agent, after 800r/min magnetic agitation 3min, stable resin solution is formed, wherein, the mass fraction of resin is
1%, the mass ratio of fluorocarbon resin and two-component rigid olyurethane resin is 0.5:1, solvent for use is acetone；
(3) super-hydrophobic finish paint solution is prepared：By mass parts, by 2 parts of hydrophobicity aerosil nano particles and 0.5 part
Silicon fluoride is direct plungeed into 100 parts of ethanol, and ultrasonic disperse is made into super-hydrophobic finish paint solution in 20 minutes, then adds 10 parts of poly- diformazans
Based siloxane resins, ultrasonic disperse 20min, obtain the finish paint solution that can prepare wear-resisting super-hydrophobic coat；
(4) superhydrophobic fibers felt is standby：Fibrofelt after cleaning is first placed into primer resin solution, after impregnating 10s
Take out, Excess resin and solvent are squeezed out with double-roll rolling mill rolling, then 10min is dried in 80 DEG C of baking oven, then in finish paint
In solution by way of Best-Effort request, super-hydrophobic coat is formed on the fibrofelt after resin treatment, then at 80 DEG C
Dry solidification 1h in baking oven, so as to obtain the mould proof superhydrophobic fibers felt of dirt-and moisture；Wherein, Best-Effort request is will to pass through priming paint tree
Fibrofelt is fixed on Best-Effort request machine after fat processing, is declined first with 3000 μm/s speed, again with 500 μm/s after dipping 1min
Lifted, repeated twice with same decrease speed, dip time and the rate of climb after hanging 1min, finally remove fibrofelt again
Dry.
Embodiment 3
Present embodiment prepares the mould proof superhydrophobic fibers felt of dirt-and moisture in accordance with the following steps：
(1) cleaning of fibrofelt：Fibrofelt is successively placed on surpassing with 400w in acetone, absolute ethyl alcohol and deionized water
Sound cleaning device is cleaned by ultrasonic 10min respectively, and 10min is dried in 80 DEG C of baking oven, and fibrofelt used is cotton fiber；
(2) primer resin solution is prepared：Cold curing fluorocarbon resin and two-component rigid olyurethane resin are added to molten
In agent, after 800r/min magnetic agitation 3min, stable resin solution is formed, wherein, the mass fraction of resin is
1%, the mass ratio of fluorocarbon resin and two-component rigid olyurethane resin is 2:1, solvent for use is that acetone and tetrahydrofuran mix
Bonding solvent；
(3) super-hydrophobic finish paint solution is prepared：By mass parts, by 2 parts of hydrophobicity aerosil nano particles and 0.5 part
Silicon fluoride is direct plungeed into 100 parts of ethanol, and ultrasonic disperse is made into super-hydrophobic finish paint solution in 20 minutes, then adds 2 parts of poly- diformazans
Based siloxane resins, ultrasonic disperse 20min, obtain the finish paint solution that can prepare wear-resisting super-hydrophobic coat；
(4) superhydrophobic fibers felt is standby：Fibrofelt after cleaning is first placed into primer resin solution, after impregnating 10s
Take out, Excess resin and solvent are squeezed out with double-roll rolling mill rolling, then 10min is dried in 80 DEG C of baking oven, then in finish paint
In solution by way of Best-Effort request, super-hydrophobic coat is formed on the fibrofelt after resin treatment, then at 80 DEG C
Dry solidification 1h in baking oven, so as to obtain the mould proof superhydrophobic fibers felt of dirt-and moisture；Wherein, Best-Effort request is will to pass through priming paint tree
Fibrofelt is fixed on Best-Effort request machine after fat processing, is declined first with 3000 μm/s speed, again with 500 μm/s after dipping 1min
Lifted, repeated twice with same decrease speed, dip time and the rate of climb after hanging 1min, finally remove fibrofelt again
Dry.
Embodiment 4
Present embodiment prepares the mould proof superhydrophobic fibers felt of dirt-and moisture in accordance with the following steps：
(1) cleaning of fibrofelt：Fibrofelt is successively placed on surpassing with 400w in acetone, absolute ethyl alcohol and deionized water
Sound cleaning device is cleaned by ultrasonic 10min respectively, and 10min is dried in 80 DEG C of baking oven, and fibrofelt used is polyester fiber；
(2) primer resin solution is prepared：Cold curing fluorocarbon resin and two-component rigid olyurethane resin are added to molten
In agent, after 800r/min magnetic agitation 3min, stable resin solution is formed, wherein, the mass fraction of resin is
1%, the mass ratio of fluorocarbon resin and two-component rigid olyurethane resin is 1:1, solvent for use is acetone；
(3) super-hydrophobic finish paint solution is prepared：By mass parts, by 2 parts of hydrophobicity aerosil nano particles and 0.5 part
Silicon fluoride is direct plungeed into 100 parts of ethanol, and ultrasonic disperse is made into super-hydrophobic finish paint solution in 20 minutes, then adds 10 parts of poly- diformazans
Based siloxane resins, ultrasonic disperse 20min, obtain the finish paint solution that can prepare wear-resisting super-hydrophobic coat.
(4) superhydrophobic fibers felt is standby：Fibrofelt after cleaning is first placed into primer resin solution, after impregnating 10s
Take out, Excess resin and solvent are squeezed out with double-roll rolling mill rolling, then 10min is dried in 80 DEG C of baking oven, then in finish paint
In solution by way of Best-Effort request, super-hydrophobic coat is formed on the fibrofelt after resin treatment, then at 80 DEG C
Dry solidification 1h in baking oven, so as to obtain the mould proof superhydrophobic fibers felt of dirt-and moisture；Wherein, Best-Effort request is will to pass through priming paint tree
Fibrofelt is fixed on Best-Effort request machine after fat processing, is declined first with 3000 μm/s speed, again with 200 μm/s after dipping 5min
Lifted, repeated twice with same decrease speed, dip time and the rate of climb after hanging 5min, finally remove fibrofelt again
Dry.
It is below the durability of the fibrofelt under 4 kinds of embodiments.Durability test is specifically：Fibrofelt distance after processing
Tap about 20cm, with certain water and velocity shock to fibrofelt surface, measure the change of fibrofelt contact angle, such as table
Shown in 1.
The contact angle of fibrofelt under 1 four kinds of embodiments of table with water jig frequency number change
Claims (5)
1. a kind of preparation method of superhydrophobic fibers felt, it is characterised in that preparation process is：
（1）The cleaning of fibrofelt：Fibrofelt is cleaned by ultrasonic in acetone, absolute ethyl alcohol and deionized water successively, Ran Hougan
It is dry；
（2）Primer resin solution is prepared：By cold curing fluorocarbon resin（FEVE）With two-component rigid olyurethane resin（SRP-
FC）It is added in organic solvent, after stirring, forms stable primer resin solution, the mass fraction of resin is in solution
0.1%-20%, the mass ratio 0.5 of fluorocarbon resin and two-component rigid olyurethane resin:1~2:1；
（3）Super-hydrophobic finish paint solution is prepared：By mass parts, by 1-10 part hydrophobicity aerosil nano particles and 0.5-2
Part silicon fluoride is direct plungeed into 100 parts of ethanol, and ultrasonic disperse is made into super-hydrophobic finish paint solution；Or continue addition 0.5-10 parts and gather
Dimethyl siloxane resin, then ultrasonic disperse, obtain super-hydrophobic finish paint solution；
（4）Superhydrophobic fibers felt is standby：Fibrofelt after cleaning is first placed into primer resin solution, taken out after dipping, is squeezed
Excess resin and solvent are extruded, after drying in super-hydrophobic finish paint solution by way of Best-Effort request, by resin treatment
Super-hydrophobic coat, re-dry solidification, so as to obtain the mould proof superhydrophobic fibers felt of dirt-and moisture are formed on fibrofelt afterwards.
2. the preparation method of superhydrophobic fibers felt according to claim 1, it is characterised in that the organic solvent is acetone, four
At least one of hydrogen furans, butyl acetate.
3. the preparation method of superhydrophobic fibers felt according to claim 1, it is characterised in that the fibrofelt material is polyester
Fiber, paper fiber, wood-fibred, cotton fiber, glass fibre or rock wool fibers.
4. the preparation method of superhydrophobic fibers felt according to claim 1, it is characterised in that step（4）Described dipping carries
Draw, be that the fibrofelt after primer resin is handled is fixed on Best-Effort request machine, first with 100 ~ 3000 μm/s speed
Drop, lifted again with 5 ~ 500 μm/s after impregnating 10s ~ 20min, after hanging 10s ~ 20min again with same decrease speed, dipping when
Between and the rate of climb repeat twice, finally fibrofelt is removed and dried.
5. superhydrophobic fibers felt made from any methods described of claim 1 ~ 4.
Priority Applications (1)
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| CN109577074A (en) * | 2018-12-27 | 2019-04-05 | 上海纳米技术及应用国家工程研究中心有限公司 | A kind of preparation method and products thereof of hydrophobic high abrasion paper pulp material |
| CN110180260A (en) * | 2019-05-14 | 2019-08-30 | 中安瑞材(北京)科技有限公司 | A kind of air purifying filter core and preparation method |
| CN110215830A (en) * | 2019-05-21 | 2019-09-10 | 东南大学 | A kind of bionic catalysis filtrate and its preparation method and application |
| CN110565385A (en) * | 2019-09-30 | 2019-12-13 | 湖州师范学院求真学院 | F-SiO2Nano particle and PDMS modified PET mesh fabric |
| CN112979175A (en) * | 2021-02-07 | 2021-06-18 | 兰州理工大学科技园有限公司 | Hydrophobic and oleophobic coating and preparation method thereof |
| CN114908560A (en) * | 2022-03-11 | 2022-08-16 | 天津宇海环保科技有限公司 | Preparation method of modified epoxy resin solution and super-hydrophobic fiber felt prepared by applying modified epoxy resin solution |
| CN115012249A (en) * | 2022-04-19 | 2022-09-06 | 齐鲁工业大学 | Method for improving hydrophobic property of paper |
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| CN114908560A (en) * | 2022-03-11 | 2022-08-16 | 天津宇海环保科技有限公司 | Preparation method of modified epoxy resin solution and super-hydrophobic fiber felt prepared by applying modified epoxy resin solution |
| CN115012249A (en) * | 2022-04-19 | 2022-09-06 | 齐鲁工业大学 | Method for improving hydrophobic property of paper |
| CN115417589A (en) * | 2022-08-20 | 2022-12-02 | 河南凯华万洋新型建材有限公司 | High-heat-preservation rock wool board and production process thereof |
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