CN106553249A - Prepare the method and its timber of super-hydrophobic magnetotaxis wood surface - Google Patents
Prepare the method and its timber of super-hydrophobic magnetotaxis wood surface Download PDFInfo
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- CN106553249A CN106553249A CN201611116736.0A CN201611116736A CN106553249A CN 106553249 A CN106553249 A CN 106553249A CN 201611116736 A CN201611116736 A CN 201611116736A CN 106553249 A CN106553249 A CN 106553249A
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- hydrophobic
- magnetotaxis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/007—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process employing compositions comprising nanoparticles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/0095—Treating of wood not provided for in groups B27K1/00, B27K3/00 by employing wrappers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/70—Hydrophobation treatment
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The present invention relates to a kind of method for preparing super-hydrophobic magnetotaxis wood surface, comprises the following steps：Dimethyl silicone polymer is mixed with curing agent, the first mixture is formed；Dimethyl silicone polymer is mixed with magnetic nano-particle, the second mixture is formed；The first mixture is coated on super hydrophobic surface, is infiltrated with silicon fluoride after carrying out the first solidification, is obtained the first mixture layer afterwards；Second mixture is coated on into wood surface, the wood surface for being coated with the second mixture is covered in the front of the first mixture layer, carries out the second solidification；Peel off from wood surface and remove other materials, obtain super-hydrophobic magnetotaxis wood surface.The method and its timber that prepare super-hydrophobic magnetotaxis wood surface that the present invention is provided, superhydrophobic characteristic is applied in timber resources, changes the hydrophily of wood surface, so as to the weatherability that not only can effectively prevent timber is deteriorated；And the high value added utilization for timber and functionalization are expanded and are had great importance.
Description
Technical field
The present invention relates to surface of solids technical field, and in particular to a kind of method for preparing super-hydrophobic magnetotaxis wood surface
And its timber.
Background technology
One of important component part as modern society, timber because its surface there is substantial amounts of hydroxyl have it is hydrophilic
Property, but the hydrophily seriously governs its application in some specific areas.Reason is：Wood surface layer easily absorbs water
Or vapor, subsequently absorbed moisture make wood cell wall that profit occurs to rise under the absorption of capillary；In expansion and receipts
Under contracting effect, moist gradient between wood surface and wood internal, is formed, the moist gradient is acted on timber so that timber table
Between face and wood internal, stress is uneven and ultimately result in wood surface distortion, warpage and cracking etc..
Go out mud and do not contaminate, wash clear water and not bewitching；" automatically cleaning " function of lotus leaf makes which can be used for snow defence, anti-pollution, anti-
Oxidation and electric current conduction etc. is prevented, and be somebody's turn to do " automatically cleaning " function and have benefited from lotus leaf there is super hydrophobic surface.It is in addition to lotus leaf, natural
Also there are many such natural super-hydrophobic materials, such as butterfly's wing, water skipper leg etc. in boundary.If such superhydrophobic characteristic can be answered
For industrial and agricultural production and daily life, then which is by with extremely wide application prospect.If building is outer
The surfaces with similar lotus leaf such as wall, outdoor billboard, then its can keep cleaning.
Based on this, effectively " automatically cleaning " function of lotus leaf is combined with the timber resources in daily life, to timber
High value added utilization and functionalization expand have great importance.
The content of the invention
For defect of the prior art, the present invention is intended to provide a kind of method for preparing super-hydrophobic magnetotaxis wood surface
And its timber, superhydrophobic characteristic is applied in timber resources, changes the hydrophily of wood surface, so as to not only can be effective
Prevent the weatherability of timber from deteriorating；And the high value added utilization for timber and functionalization are expanded and are had great importance.
For this purpose, the present invention provides technical scheme below：
In a first aspect, the present invention provides a kind of method for preparing super-hydrophobic magnetotaxis wood surface, comprise the following steps：
S101：Dimethyl silicone polymer is pressed into (8-15) with curing agent：1 weight ratio is well mixed, and forms the first mixture；By poly- two
Methylsiloxane presses 10 with magnetic nano-particle：(0.5-10) weight ratio is well mixed, and forms the second mixture；S102：Choosing
The material with super hydrophobic surface is taken, the first mixture is coated on super hydrophobic surface, so as to is formed on super hydrophobic surface
One mixture layer；S103：The product that S102 is obtained is infiltrated with silicon fluoride after carrying out the first solidification, peels off removing afterwards super-hydrophobic
Surface, obtains the first mixture layer；Wherein, the face for fitting with super hydrophobic surface is the front of the first mixture layer；S104：Will
Second mixture is coated on wood surface, and covers the first mixture layer that S103 is obtained thereon, makes the first mixture layer
Front is fitted with the second mixture, then carries out the second solidification；S105：Peel off from wood surface and remove other things in addition to wood
Matter, obtains super-hydrophobic magnetotaxis wood surface.
Dimethyl silicone polymer (PDMS), also referred to as dimethicone, are a kind of organic silicon materials of hydrophobic class；Which is nothing
Color or light yellow liquid, tasteless, transparency are high, little with heat resistance, cold resistance, water proofing property, surface tension.By poly dimethyl silicon
Oxygen alkane presses (8-15) with curing agent：After 1 weight ratio is well mixed, the first solidification is carried out after being coated on super hydrophobic surface, then
Infiltrated with silicon fluoride, i.e., surface modification is carried out with silicon fluoride, so as to obtain with super hydrophobic surface reef knot by soft lithography
First mixture layer of structure, i.e. dimethyl silicone polymer layer；Wherein, the face with super hydrophobic surface antistructure, i.e., with it is super-hydrophobic
The face that surface fits is the front of the first mixture layer.Dimethyl silicone polymer is pressed into 10 with magnetic nano-particle：(0.5-
10) weight ratio is coated on wood surface after being well mixed, and so as to the characteristic by magnetic nano-particle gives wood surface, makes wood
Material has magnetotaxis；The wood surface for being coated with the second mixture is covered in the front of the first mixture layer, then carries out
Two solidifications, i.e., be doped into magnetic particle during soft printing transcription；Peel off afterwards and remove other materials in addition to wood；Finally
Obtain with super-hydrophobic and magnetotaxis wood surface.Specifically, the present invention selects 184 silicon rubber conducts of DOW CORNING Sylgard
Curing agent.
In the further embodiment of the present invention, in S102, the thickness of the first mixture layer is 2mm-5mm, preferably
3mm；After choosing the material with super hydrophobic surface, and before the first mixture is coated on super hydrophobic surface, also including step
Suddenly：With ethanol purge super hydrophobic surface and dry, then the super hydrophobic surface after drying is fixed on slide.Will be super-hydrophobic
Surface is fixed on slide, that is, allow soft printing process to carry out under the booster action of slide, so as to be more beneficial for reality
The quality of soft printing is improved while operation so that the super hydrophobic surface antistructure obtained in the front of the first mixture layer is more clear
It is clear.
In the further embodiment of the present invention, in S103, the temperature of the first solidification is 25 DEG C -150 DEG C, and the time is
1h-5h；It is specially with silicon fluoride infiltration：3h-10h is infiltrated under conditions of temperature is for 25 DEG C -130 DEG C；Also include after S103：Will
The back side of the first mixture layer is fixed on another slide.The back side of the first mixture layer is fixed on another slide,
Contribute to the carrying out of the soft printing transcription process of follow-up wood surface.Specifically, silicon fluoride of the invention selects 17 fluorine decyls
Triethoxysilane.
In the further embodiment of the present invention, in S101, dimethyl silicone polymer is pressed into 10 with magnetic nano-particle：
(0.5-10) weight ratio is well mixed specially：Dimethyl silicone polymer is pressed into 10 with magnetic nano-particle：(0.5-10)
Then weight stir 0.01h-100h at -100 DEG C -100 DEG C than mixing.
In the further embodiment of the present invention, in S104, the temperature of the second solidification is 25 DEG C -100 DEG C, and the time is
1h-5h；The thickness of the second mixture layer is 2mm-5mm, preferably 3mm.
In the further embodiment of the present invention, the particle diameter of magnetic nano-particle is 1nm-100nm；And magnetic nano particle
Son is nanometer Fe3O4, nano Co Fe2O4With nanometer MnFe2O4In one or more.
In the further embodiment of the present invention, the size of super hydrophobic surface is matched with the size of wood surface.
In the further embodiment of the present invention, the material with super hydrophobic surface is selected from the plant with superhydrophobic characteristic
Thing blade or petal, the especially group of one or more in lotus leaf, taro leaves, rose petal and China rose petal
Close.
Second aspect, the timber with super-hydrophobic magnetotaxis surface that the method provided according to the present invention is prepared.
The above-mentioned technical proposal of the present invention has advantages below：
(1) applicant is had found through carefully research：By soft lithography, dimethyl silicone polymer is made to create in wood surface
Build the super hydrophobic surface of class organic-biological body, and be blended in wood surface using magnetic nano-particle and dimethyl silicone polymer
Form bionic super-hydrophobic magnetotaxis surface.Bionic super-hydrophobic structure is prepared in wood surface using soft lithography, and soft
Magnetic particle is doped into during printing transcription, so that timber has super-hydrophobic magnetotaxis surface.
(2) method provided by the present invention, not only can give that timber is super-hydrophobic, self-cleaning performance；And by magnetic
Nano-particle is applied in the method for prepare super-hydrophobic magnetotaxis wood surface, by magnetic nano-particle small-size effect and
Skin effect can give timber numerous new properties, so as to realize the high value added utilization of timber.
(3) preparation method that the present invention is provided can efficiently utilize low quality wood resource, not only can effectively prevent timber
Weatherability deterioration, and the purposes of low quality wood can be widened, improve its use value, be efficient utilization low quality wood resource
New thinking and approach are provided.
(4) the big I of the wellability of material surface is by contacting angular impulse, definition of the contact angle more than 150 ° be it is super-hydrophobic, it is little
It is super hydrophilic in 5 ° of definition；The preparation method provided by the present invention, can successfully prepare wood of the contact angle more than 150 °
Material surface, so that timber has excellent hydrophobicity, and then makes it have automatically cleaning, the advantages of resistance to greasy dirt.
(5) preparation method that the present invention is provided is simple to operate, easily operated controllable；And it is with low cost.
Description of the drawings
Macrographs of the Fig. 1 for the super-hydrophobic magnetotaxis Wood composite material in the embodiment of the present invention；
SEM figures of the Fig. 2 for the super-hydrophobic magnetotaxis Wood composite material in the embodiment of the present invention；
Fig. 3 is that the super-hydrophobic magnetotaxis Wood composite material in the embodiment of the present invention is drawn to the macroscopic view for hanging in the sky by magnet
Figure；
Macrograph and contact of the Fig. 4 for the super-hydrophobic magnetotaxis Wood composite material ultra-hydrophobicity in the embodiment of the present invention
Angle test chart；
Flow charts of the Fig. 5 for the method for preparing super-hydrophobic magnetotaxis wood surface in the embodiment of the present invention.
Specific embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for
Technical scheme is more clearly illustrated, therefore is only used as example, and the protection model of the present invention can not be limited with this
Enclose.
Experimental technique in following embodiments, if no special instructions, is conventional method.
In following embodiments, test material used, if no special instructions, is from conventional reagent shop what is be commercially available.
Quantitative test in following examples, is respectively provided with three repetitions and tests, and data are the mean value of three repetition experiments
Or mean+SD.
The present invention provides a kind of method for preparing super-hydrophobic magnetotaxis wood surface, as shown in figure 5, comprising the following steps：
S101：Dimethyl silicone polymer is pressed into (8-15) with curing agent：1 weight ratio is well mixed, and forms first and mixes
Thing；Dimethyl silicone polymer is pressed into 10 with magnetic nano-particle：(0.5-10) weight ratio is well mixed, and forms second and mixes
Thing.Wherein, dimethyl silicone polymer is pressed into 10 with magnetic nano-particle：(0.5-10) weight ratio is well mixed preferably：Will
Dimethyl silicone polymer presses 10 with magnetic nano-particle：(0.5-10) then weight is stirred at -100 DEG C -100 DEG C than mixing
Mix 0.01h-100h；The particle diameter of magnetic nano-particle is preferably 1nm-100nm；And magnetic nano-particle is preferably nanometer Fe3O4、
Nano Co Fe2O4With nanometer MnFe2O4In one or more.
S102：The material with super hydrophobic surface is chosen, the first mixture is coated on super hydrophobic surface, so as to super thin
The first mixture layer is formed on water surface.Wherein, the thickness of the first mixture layer is 2mm-5mm, preferably 3mm.
S103：The product that S102 is obtained is infiltrated with silicon fluoride after carrying out the first solidification, is peeled off afterwards and is removed super-hydrophobic table
Face, obtains the first mixture layer；Wherein, the face for fitting with super hydrophobic surface is the front of the first mixture layer.First solidification
Temperature be preferably 25 DEG C -150 DEG C, the time is preferably 1h-5h；It is preferably with silicon fluoride infiltration：It it is 25 DEG C -130 DEG C in temperature
Under conditions of infiltrate 3h-10h.
S104：Second mixture is coated on into wood surface, and covers the first mixture layer that S103 is obtained thereon, made
The front of the first mixture layer is fitted with the second mixture, then carries out the second solidification.Wherein, the temperature of the second solidification is preferably
25 DEG C -100 DEG C, the time is preferably 1h-5h；The thickness of the second mixture layer is 2mm-5mm, preferably 3mm.
S105：Peel off from wood surface and remove other materials in addition to wood, obtain super-hydrophobic magnetotaxis wood surface.
Preferably,；Choose with super hydrophobic surface material after, and coat on super hydrophobic surface the first mixture it
Before, also including step：With ethanol purge super hydrophobic surface and dry, the super hydrophobic surface after drying is fixed on into slide then
On.Super hydrophobic surface is fixed on slide, i.e., so that soft printing process is carried out under the booster action of slide, is more being had
Beneficial to making while practical operation, printing quality is higher, i.e., the super hydrophobic surface antistructure for obtaining in the front of the first mixture layer
It is apparent.
Preferably, also include after S103：The back side of the first mixture layer is fixed on another slide.By the first mixing
The back side of nitride layer is fixed on another slide, and the carrying out of process is write in the soft printing for contributing to follow-up wood surface.
Preferably, the size of super hydrophobic surface is matched with the size of wood surface.
Preferably, the material with super hydrophobic surface has the plant leaf blade or petal of superhydrophobic characteristic, is especially selected from
The combination of one or more in lotus leaf, taro leaves, rose petal and China rose petal.
Illustrate with reference to specific embodiment.
Embodiment one
The present invention provides a kind of method for preparing super-hydrophobic magnetotaxis wood surface, comprises the following steps：
S101：Dimethyl silicone polymer is pressed into 10 with Sylgard 184：1 weight ratio is well mixed, and forms first and mixes
Thing；By dimethyl silicone polymer and the Fe that particle diameter is 30nm-60nm3O4By 10:10 weight is stirred at -100 DEG C than mixing
50h, forms the second mixture.
S102：The lotus leaf surface of 5cm × 5cm is intercepted, with drying behind ethanol purge surface, the lotus leaf after drying is fixed on
On slide, then the first mixture is coated on the lotus leaf surface being fixed on slide, on the lotus leaf surface after drying
Form first mixture layer of 3mm.
S103：The product that S102 is obtained solidifies 5h at 25 DEG C, then with 17 fluorine decyl triethoxysilanes 100
Product 5h at DEG C after infiltration solidification, peels off afterwards and removes lotus leaf, obtain the first mixture layer；Wherein, fit with lotus leaf
Face is the front of the first mixture layer.
S104：Second mixture is coated on the wood surface of 5cm × 5cm, second mixture layer of 3mm is formed, will
The wood surface for being coated with the second mixture is covered in the front of the first mixture layer that S103 is obtained, and at 50 DEG C solidifies 3h.
S105：Peel off from wood surface and remove other materials in addition to wood, obtain with super-hydrophobic magnetotaxis timber table
The timber in face.
The timber macrograph with super-hydrophobic magnetotaxis wood surface that Fig. 1 is obtained for the present embodiment, Fig. 2 is the material
SEM (SEM) figure, it can be seen that wood surface has been endowed the structure of super hydrophobic surface.
Embodiment two
The present invention provides a kind of method for preparing super-hydrophobic magnetotaxis wood surface, comprises the following steps：
S101：Dimethyl silicone polymer is pressed into 8 with Sylgard 184：1 weight ratio is well mixed, and forms first and mixes
Thing；By dimethyl silicone polymer and the CoFe that particle diameter is 1nm-100nm2O4By 10:0.5 weight is stirred at 0 DEG C than mixing
30h, forms the second mixture.
S102：The taro leaves of 3cm × 3cm are intercepted, with drying behind ethanol purge surface, the taro leaves after drying is fixed on
On slide, then the first mixture is coated on the taro leaf surface being fixed on slide, the taro leaves table after drying
First mixture layer of 2mm is formed on face.
S103：The product that S102 is obtained solidifies 3h at 100 DEG C, is then existed with 17 fluorine decyl triethoxysilanes
Product 3h at 130 DEG C after infiltration solidification, peels off afterwards and removes taro leaves, obtain the first mixture layer；Wherein, with taro leaves phase
The face of laminating is the front of the first mixture layer.
S104：Second mixture is coated on the wood surface of 3cm × 3cm, second mixture layer of 5mm is formed, will
The wood surface for being coated with the second mixture is covered in the front of the first mixture layer that S103 is obtained, and solidifies at 100 DEG C
0.01h。
S105：Peel off from wood surface and remove other materials in addition to wood, obtain with super-hydrophobic magnetotaxis timber table
The timber in face.
Embodiment three
The present invention provides a kind of method for preparing super-hydrophobic magnetotaxis wood surface, comprises the following steps：
S101：Dimethyl silicone polymer is pressed into 15 with Sylgard 184：1 weight ratio is well mixed, and forms first and mixes
Thing；By dimethyl silicone polymer and the MnFe that particle diameter is 20nm-80nm2O4By 10:5 weight is stirred at 100 DEG C than mixing
0.01h, forms the second mixture.
S102：The China rose petal of 3cm × 3cm is intercepted, with drying behind ethanol purge surface, the China rose after drying is spent
Lobe is fixed on slide, is then coated the first mixture in the China rose petal surface being fixed on slide, is being dried
First mixture layer of 5mm is formed in China rose petal surface afterwards.
S103：The product that S102 is obtained solidifies 1h at 150 DEG C, then with 17 fluorine decyl triethoxysilanes 60
Product 7h at DEG C after infiltration solidification, peels off afterwards and removes China rose petal, obtain the first mixture layer；Wherein, with China rose
The face that petal fits is the front of the first mixture layer.
S104：Second mixture is coated on the wood surface of 3cm × 3cm, second mixture layer of 2mm is formed；Will
The wood surface for being coated with the second mixture is covered in the front of the first mixture layer that S103 is obtained, and solidifies at 30 DEG C
30min。
S105：Peel off from wood surface and remove other materials in addition to wood, obtain with super-hydrophobic magnetotaxis timber table
The timber in face.
In addition, the property in order to further verify timber that the embodiment of the present invention is obtained, carries out Magnetic Test and dredges to which
Aqueous test：
(1) Magnetic Test
Magnetic Test is carried out respectively to the timber that embodiment to embodiment three is prepared, each embodiment is obtained using magnet
To timber attracted；Experiment finds：The timber that each embodiment is obtained can be drawn to by magnet and be hung in the sky.
Fig. 3 is that the super-hydrophobic magnetotaxis Wood composite material in the embodiment of the present invention is drawn to the macroscopic view for hanging in the sky by magnet
Figure；It can be seen that the timber that the method provided using the present invention is prepared, can be drawn to by magnet and be hung in the sky,
Illustrate that its timber is endowed magnetotaxis.
(2) hydrophobicity test
Hydrophobicity test is carried out to the timber that embodiment one to embodiment three is obtained.Specifically method of testing is：By each enforcement
The timber that example is obtained is soaked in water respectively, observes its state；Secondly, the contact angle of wood surface water droplet is determined respectively, then
Judge its hydrophobicity.
The super-hydrophobic magnetotaxis Wood composite material that (1), (2) and (3) in Fig. 4 is respectively in the embodiment of the present invention is super thin
The macrograph and contact angle test chart of aqueous energy；It can be seen that the wood that the method provided using the present invention is prepared
Material, can bubble through the water column after being soaked in water；In the test of contact angle, in each embodiment, water droplet is on wood surface
Contact angle is respectively 153 ± 1 °, 150 ± 2 ° and 152 ± 2 °.It is well known that the big I of the wellability of material surface is by contact angle
Weigh, definition of the contact angle more than 150 ° is super-hydrophobic, and the definition less than 5 ° is super hydrophilic.Therefore, the timber that the present invention is obtained
With super-hydrophobicity.
As can be seen here, the method for preparing super-hydrophobic magnetotaxis wood surface that the present invention is provided, thus it is possible to vary wood surface
Hydrophily, make wood surface after treatment have super-hydrophobic and magnetotaxis concurrently.
Certainly, except situation about enumerating in embodiment one to embodiment three, between other solidification temperatures and time, raw material components
Weight ratio, magnetic nano-particle and super hydrophobic surface etc. be all possible.
The method and its timber that prepare super-hydrophobic magnetotaxis wood surface that the present invention is provided, superhydrophobic characteristic is applied to
In timber resources, the hydrophily of wood surface is changed, so as to the weatherability that not only can effectively prevent timber is deteriorated；And it is right
Expand in the high value added utilization and functionalization of timber and have great importance.
In describing the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", the feature of " second " can be expressed or implicitly include one or more this feature.In describing the invention,
" multiple " are meant that two or more, unless otherwise expressly limited specifically.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
Example ", or the description of " some examples " etc. mean specific features with reference to the embodiment or example description, structure, material or spy
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in one or more embodiments or example in an appropriate manner.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments or example described in this specification and different embodiments or example can be tied by art personnel
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (9)
1. a kind of method for preparing super-hydrophobic magnetotaxis wood surface, it is characterised in that comprise the following steps：
S101：Dimethyl silicone polymer is pressed into (8-15) with curing agent：1 weight ratio is well mixed, and forms the first mixture；Will
Dimethyl silicone polymer presses 10 with magnetic nano-particle：(0.5-10) weight ratio is well mixed, and forms the second mixture；
S102：Choose with super hydrophobic surface material, first mixture is coated on the super hydrophobic surface, so as to
The first mixture layer is formed on the super hydrophobic surface；
S103：The product that the S102 is obtained is infiltrated with silicon fluoride after carrying out the first solidification, obtains the first mixture layer afterwards；
Wherein, the face for fitting with super hydrophobic surface is the front of the first mixture layer；
S104：Second mixture is coated on into wood surface, and covers the first mixture that the S103 is obtained thereon
Layer, is made the front of first mixture layer be fitted with second mixture, then carries out the second solidification；
S105：Peel off from the wood surface and remove other materials in addition to wood, obtain super-hydrophobic magnetotaxis wood surface.
2. the method for preparing super-hydrophobic magnetotaxis wood surface according to claim 1, it is characterised in that：
In the S102, the thickness of first mixture layer is 2mm-5mm；
It is described choose with super hydrophobic surface material after, it is described and coat on the super hydrophobic surface it is described first mixing
Before thing, also including step：
With ethanol purge super hydrophobic surface and dry, then the super hydrophobic surface after drying is fixed on slide.
3. the method for preparing super-hydrophobic magnetotaxis wood surface according to claim 2, it is characterised in that：
In the S103, the temperature of first solidification is 25 DEG C -150 DEG C, and the time is 1h-5h；
The silicon fluoride infiltration is specially：3h-10h is infiltrated under conditions of temperature is for 25 DEG C -130 DEG C；
Also include after the S103：The back side of first mixture layer is fixed on another slide.
4. the method for preparing super-hydrophobic magnetotaxis wood surface according to claim 1, it is characterised in that：
It is in the S101, described that dimethyl silicone polymer is pressed into 10 with magnetic nano-particle：(0.5-10) weight is more equal than mixing
It is even to be specially：Dimethyl silicone polymer is pressed into 10 with magnetic nano-particle：(0.5-10) weight ratio mixing, then -100
0.01h-100h is stirred at DEG C -100 DEG C.
5. the method for preparing super-hydrophobic magnetotaxis wood surface according to claim 1, it is characterised in that：
In the S104, the temperature of second solidification is 25 DEG C -100 DEG C, and the time is 1h-5h；Second mixture layer
Thickness is 2mm-5mm.
6. the method for preparing super-hydrophobic magnetotaxis wood surface according to any one of claim 1-5, it is characterised in that：
The particle diameter of the magnetic nano-particle is 1nm-100nm；And the magnetic nano-particle is nanometer Fe3O4, nano Co Fe2O4
With nanometer MnFe2O4In one or more.
7. the method for preparing super-hydrophobic magnetotaxis wood surface according to any one of claim 1-5, it is characterised in that：
The size of the super hydrophobic surface is matched with the size of the wood surface.
8. the method for preparing super-hydrophobic magnetotaxis wood surface according to any one of claim 1-5, it is characterised in that：
The material with super hydrophobic surface is selected from the plant leaf blade with superhydrophobic characteristic or petal, especially selected from lotus
The combination of one or more in leaf, taro leaves, rose petal and China rose petal.
9. the timber with super-hydrophobic magnetotaxis surface for preparing according to the method any one of claim 1-8.
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| CN107629684A (en) * | 2017-08-31 | 2018-01-26 | 中国林业科学研究院木材工业研究所 | A kind of multi-functional preparation method for repairing super-hydrophobic timber |
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| CN109702837A (en) * | 2019-02-25 | 2019-05-03 | 山东农业大学 | The preparation method and method for modifying wood of the super-hydrophobic fungus and mildew resistance functional modifier of timber |
| CN109822703A (en) * | 2019-02-25 | 2019-05-31 | 山东农业大学 | The preparation method and method for modifying wood of room temperature curing type timber multifunctional modification agent |
| CN111185977A (en) * | 2020-02-29 | 2020-05-22 | 浙江省林业科学研究院 | Production method of super-hydrophobic wood |
| CN113425022A (en) * | 2020-04-03 | 2021-09-24 | 中杭监测技术研究院有限公司 | Preparation method of bionic plant leaf micro-nano structure and performance of wood/bamboo-based furniture decorative material surface morphism method |
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