CN106272773B - A kind of super-hydrophobic timber and preparation method thereof - Google Patents

A kind of super-hydrophobic timber and preparation method thereof Download PDF

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Publication number
CN106272773B
CN106272773B CN201610634795.0A CN201610634795A CN106272773B CN 106272773 B CN106272773 B CN 106272773B CN 201610634795 A CN201610634795 A CN 201610634795A CN 106272773 B CN106272773 B CN 106272773B
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timber
super
preparation
hydrophobic
deionized water
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CN106272773A (en
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韩春蕊
陈肖宇
杨明生
李娟�
林海霞
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Beijing Forestry University
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Beijing Forestry University
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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
    • B27K3/02—Processes; Apparatus
    • B27K3/025—Controlling the process
    • 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
    • B27K3/34—Organic impregnating agents
    • 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
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/04—Combined bleaching or impregnating and drying of wood
    • 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)
  • Inorganic Chemistry (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

The invention belongs to Wooden modifying field, and in particular to a kind of super-hydrophobic timber and preparation method thereof.The preparation method is：Wood raw material passes through two-stage immersion treatment, and the two-stage immersion treatment is respectively by the first treatment fluid and the unordered progress of second processing liquid, after immersion terminates, with deionized water rinsing, through being drying to obtain the super-hydrophobic timber；First treatment fluid is maleic rosin or maleic rosin and AlCl3The solution of gained in ethanol is dissolved in, wherein, the mass concentration of maleic rosin is 1%~40%, AlCl3Mass concentration be 0%~4%；Second processing liquid is the mixed solution of butyl titanate, ammoniacal liquor, deionized water and absolute ethyl alcohol, wherein, the mass concentration 10%~20% of butyl titanate, the mass ratio of butyl titanate and ammoniacal liquor is 1:3~2:1.The timber prepared using this method has good super-hydrophobicity, and the preparation method technique is simple, and energy consumption is low, has good economic benefits and very big application value.

Description

A kind of super-hydrophobic timber and preparation method thereof
Technical field
The invention belongs to Wooden modifying field, and in particular to a kind of super-hydrophobic timber and preparation method thereof.
Background technology
Timber is natural reproducible resource, is widely used in human lives' production.The cellulose half that can contain in timber There are a large amount of hydrophilic groups in cellulose, timber is shown extremely strong water imbibition, timber strain cracking can be caused, rotten discoloration, reduced Service life etc..Therefore, the timber research with hydrophobic performance has great importance.
According to the inspiration of " lotus leaf effect ", the roughness that regular micro/nano level is constructed in material surface is realized, people will Hydrophobic introducing wood surface functional modification field, hydrophobic treatment is carried out to timber, in its surface construction hydrophobic film layer, assign compared with Excellent hydrophobic ability, can make timber reach in the environment of high humidity can fungus-proof antisepsis effect, extend its service life.
At present, the method for preparing super-hydrophobic timber surface mainly has infusion process, sol-gal process, hydro-thermal method, chemical gaseous phase Sedimentation etc..Notification number is that alkyl ketene dimer emulsion and nano-cellulose gel are total to by CN103302708B patent of invention Complex emulsions are blended to obtain, blending is vacuumized with timber, have obtained the hydrophobic timber that contact angle is 130~135 °.Publication No. CN104924379A patent of invention utilizes silane coupling agent vinyl triethoxysilane cladding nano-particle (including nanometer SiO2, nano-TiO2, nanometer Al2O3, nano-ZnO and nanometer Fe3O4In one or more) composite membrane is made, through vapour deposition Method is deposited on the wood surface through alkali process, obtains the super-hydrophobic timber that contact angle is 150~156 °.Notification number is Timber is immersed in epoxy resin and is grafted with the SiO of amino by CN103448116B patent of invention2In liquid, obtain super-hydrophobic Timber.But existing processing method complex process, cost are higher.Therefore, using simpler method, the work of abundance is utilized Industry raw material, it can increase economic efficiency.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of preparation method of super-hydrophobic timber, i.e.,：Wood raw material By two-stage immersion treatment, the two-stage immersion treatment is respectively by the first treatment fluid and the unordered progress of second processing liquid, immersion knot Shu Hou, with deionized water rinsing, through being drying to obtain the super-hydrophobic timber；First treatment fluid is maleic rosin and AlCl3 The mixed solution of gained in ethanol is dissolved in, wherein, the mass concentration of maleic rosin is 1%~40% (W/W), AlCl3Matter Amount concentration is 0%~4% (W/W)；The second processing liquid is the mixed of butyl titanate, ammoniacal liquor, deionized water and absolute ethyl alcohol Solution is closed, wherein, the mass concentration of butyl titanate is 10%~20% (W/W), and the mass ratio of butyl titanate and ammoniacal liquor is 1:3~2:1.
The preparation method of super-hydrophobic timber of the present invention, technique are simple, it is not necessary to which pressurized treatments, energy consumption is low, saves Production cost；The timber prepared using methods described, water its surface contact angle up to 150~160 °, thus with good Good super-hydrophobicity.The wood raw material is selected from conventional timber, and it draws after first treatment fluid processing in timber The rosin ternary phenanthrene ring frame hydrophobic grouping entered adds the hydrophobicity of timber, water its surface contact angle at 100~143 °； And it forms inorganic concavo-convex micro-nano granules structure after second processing liquid processing in wood surface, i.e., timber is existing dredges Concavo-convex microparticle structure is contained again in water base group, water is can reach 150~160 ° in the contact angle of wood surface, realizes super-hydrophobic effect Fruit.Mass concentration of the present invention is the ratio of quality and the mixed solution quality of solute, i.e. W/W.
As it was previously stated, preparation method of the present invention, the two-stage immersion treatment is respectively by the first treatment fluid and second The unordered progress for the treatment of fluid, i.e.,：The wood raw material can be handled first by the first treatment fluid, then be handled by second processing liquid；Also can be first Handled by second processing liquid, then handled by the first treatment fluid.
Preparation method of the present invention, in first treatment fluid mass concentration of maleic rosin be preferably 10%~ 20%, AlCl3Mass concentration be preferably 1%~2%.
Preparation method of the present invention, the mass ratio of butyl titanate and ammoniacal liquor is preferably 1 in the second processing liquid:2 ~2:1.
Preparation method of the present invention, comprises the following steps：
(1) wood raw material after surface impurity removes is after the first treatment fluid immersion treatment, with deionized water rinsing, Then dry；The hydrophobicity that the step can introduce the ternary phenanthrene ring hydrophobic grouping of rosin in wood and increase timber (specifically may be used With reference to Fig. 2), make water in the contact angle on its surface at 100~143 °；
(2) timber after step (1) processing is after the second processing liquid immersion treatment, with deionized water rinsing and drying Afterwards, the super-hydrophobic timber is produced；The processing procedure can form inorganic concavo-convex micro-nano granules structure, i.e. timber in wood surface Existing hydrophobic grouping contains concavo-convex microparticle structure again, water is can reach 150~160 ° in the contact angle of wood surface, realizes super Hydrophobic effect.
Wherein, the method for the removal wood raw material surface impurity is：The wood raw material is used after soaked in absolute ethyl alcohol Deionized water rinsing, then dry；It is preferred that the wood raw material is 70~75h, more preferably 72h through the soaked in absolute ethyl alcohol time.
Further, wood raw material after the surface impurity removes is 12 in the time that first treatment fluid soak~ 24h, preferably it is stirred while immersion with magnetic stirring apparatus.
Further, the time that the timber after step (1) processing soaks through the second processing liquid is 0.5~2h, in institute It is stirred while stating immersion with magnetic stirring apparatus, then stands 4~8h.
Preparation method of the present invention provides a kind of preferred scheme, and it comprises the following steps：
(1) wood raw material through 70~75h of soaked in absolute ethyl alcohol to remove surface impurity, then with deionized water rinsing, After drying 11.5~12.5h under the conditions of 58~62 DEG C, it is placed on and soaks in first treatment fluid and stirred with magnetic stirring apparatus 12~24h is mixed, gained timber deionized water rinsing, 6~12h is then dried under the conditions of 40~60 DEG C；
(2) step (1) processing after timber soaked in the second processing liquid and with magnetic stirrer 0.5~ 2h, then stand 4~8h, after gained timber is dried in vacuo 2~6h under the conditions of 140~180 DEG C, with deionized water rinsing and After drying 6~12h under the conditions of 40~60 DEG C, the super-hydrophobic timber is produced.
Present invention also offers the super-hydrophobic timber that a kind of above-mentioned preparation method obtains, water is on the super-hydrophobic timber surface Contact angle be 150~160 °.
The above-mentioned technical proposal of the present invention has the advantages that：The timber prepared using methods described has good Super-hydrophobicity.The preparation method of super-hydrophobic timber of the present invention, technique are simple, it is not necessary to which pressurized treatments, energy consumption is low, saves Production cost, has good economic benefit and a great application value.
Brief description of the drawings
Fig. 1 is contact angle schematic diagram of the water described in the embodiment of the present invention 1 on super-hydrophobic timber on its surface；
Fig. 2 is unmodified timber (a), timber of the super-hydrophobic timber described in the embodiment of the present invention 1 after step (1) processing (b) and maleic rosin (c) infrared spectrum.
Fig. 3 is super-hydrophobic timber surface scan electron microscope described in the embodiment of the present invention 1；
Fig. 4 is common unmodified wood surface scanning electron microscope (SEM) photograph；
Fig. 5 is contact angle schematic diagram of the water described in the embodiment of the present invention 5 on super-hydrophobic timber on its surface；
Fig. 6 is the aspect graph of the soluble dyes aqueous solution on super-hydrophobic timber surface described in the embodiment of the present invention 6.
Embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following examples are used for Illustrate the present invention, but can not be used for limiting the scope of the present invention.The first treatment fluid and second processing liquid are prepared in following examples Required reagent is commercially available.
Embodiment 1
A kind of preparation method of super-hydrophobic timber is present embodiments provided, it comprises the following steps：
(1) wood raw material that size is 20mm × 5mm × 20mm (L × R × T) is used after the preferred 72h of soaked in absolute ethyl alcohol Deionized water rinsing, after drying 12h under the conditions of 60 DEG C, the immersion and with magnetic stirrer 24h, institute in the first treatment fluid Timber deionized water rinsing is obtained, 12h is then dried under the conditions of 40 DEG C；
(2) timber after step (1) processing soaks in second processing liquid and with magnetic stirrer 1h, then stands 6h, gained timber is put into vacuum drying chamber after vacuum drying 4h under the conditions of 180 DEG C, with deionized water rinsing and in 60 DEG C of bars After drying 12h under part, the super-hydrophobic timber is produced；
Wherein, first treatment fluid is maleic rosin and AlCl3The mixed solution of gained in ethanol is dissolved in, wherein, The mass concentration of maleic rosin is 30%, AlCl3Mass concentration be 1%；
The second processing liquid is the mixed solution of butyl titanate, ammoniacal liquor, 5ml deionized waters and 45ml absolute ethyl alcohols, Wherein, the mass concentration 10% of butyl titanate (TBOT), the mass concentration 20% of ammoniacal liquor.
As shown in figure 1, contact angle tester is used to measure the super-hydrophobic timber contact angle of the present embodiment as 159.3 °.Fig. 2 For timber (b) and maleic rosin of the super-hydrophobic timber described in unmodified timber (a), the embodiment of the present invention 1 after step (1) processing (c) infrared spectrum；Correlation curve a and b have found that the timber after step (1) processing is in 1842cm-1Absorbed with obvious Peak, the absworption peak are the maleic anhydride carbonyl characteristic absorption peak of maleic rosin (c), show that timber introduces after step (1) processing Maleic rosin, contain the ternary phenanthrene ring frame hydrophobic grouping of rosin.The super-hydrophobic timber surface scan Electronic Speculum shown in Fig. 3 Figure, compared with the common unmodified wood surface scanning electron microscope (SEM) photograph shown in Fig. 4, can learn that the super-hydrophobic timber surface generates Diameter is 50~600nm particle, i.e. improved wood surface has been constructed micro-nano concaveconvex structure and has become coarse, and this is recessed Male structure is the key factor that timber realizes ultra-hydrophobicity.
Embodiment 2
A kind of preparation method of super-hydrophobic timber is present embodiments provided, it comprises the following steps：
(1) size be 20mm × 5mm × 20mm (L × R × T) wood raw material after soaked in absolute ethyl alcohol 72h, spend from Sub- water rinses, and after drying 12h under the conditions of 60 DEG C, is soaked in the first treatment fluid and wooden with magnetic stirrer 24h, gained Timber-used deionized water rinsing, 6h is then dried under the conditions of 60 DEG C；
(2) timber after step (1) processing soaks in second processing liquid and with magnetic stirrer 1h, then stands 6h, gained timber is put into vacuum drying chamber after vacuum drying 4h under the conditions of 180 DEG C, with deionized water rinsing and in 60 DEG C of bars After drying 12h under part, the super-hydrophobic timber is produced.
Wherein, first treatment fluid is maleic rosin and AlCl3The mixed solution of gained in ethanol is dissolved in, wherein, The mass concentration of maleic rosin is 1%, AlCl3Mass concentration be 4%；
The second processing liquid is the mixed solution of butyl titanate, ammoniacal liquor, 5ml deionized waters and 45ml absolute ethyl alcohols, Wherein, the mass concentration 10% of butyl titanate, the mass concentration 10% of ammoniacal liquor.
Contact angle tester is used to measure the super-hydrophobic timber contact angle of the present embodiment as 151.8 °.
Embodiment 3
A kind of preparation method of super-hydrophobic timber is present embodiments provided, it comprises the following steps：
(1) size be 20mm × 5mm × 20mm (L × R × T) wood raw material after soaked in absolute ethyl alcohol 70h, spend from Sub- water rinses, after drying 12.5h under the conditions of 58 DEG C, the immersion and with magnetic stirrer 12h, gained in the first treatment fluid Timber deionized water rinsing, 8h is then dried under the conditions of 45 DEG C；
(2) timber after step (1) processing soaks in second processing liquid and with magnetic stirrer 0.5h, Ran Houjing 4h is put, gained timber is put into vacuum drying chamber after vacuum drying 6h under the conditions of 140 DEG C, with deionized water rinsing and at 50 DEG C Under the conditions of dry 10h after, produce the super-hydrophobic timber；
Wherein, first treatment fluid is maleic rosin and AlCl3The mixed solution of gained in ethanol is dissolved in, wherein, The mass concentration of maleic rosin is 30%, AlCl3Mass concentration be 2%；
The second processing liquid is the mixed solution of butyl titanate, ammoniacal liquor, 5ml deionized waters and 45ml absolute ethyl alcohols, Wherein, the mass concentration 20% of butyl titanate, the mass concentration 20% of ammoniacal liquor.
Contact angle tester is used to measure the super-hydrophobic timber contact angle of the present embodiment as 156.9 °.
Embodiment 4
A kind of preparation method of super-hydrophobic timber is present embodiments provided, it comprises the following steps：
(1) size be 20mm × 5mm × 20mm (L × R × T) wood raw material after soaked in absolute ethyl alcohol 75h, spend from Sub- water rinses, after drying 11.5 under the conditions of 62 DEG C, the immersion and with magnetic stirrer 24h, gained in the first treatment fluid Timber deionized water rinsing, 10h is then dried under the conditions of 45 DEG C；
(2) timber after step (1) processing soaks in second processing liquid and with magnetic stirrer 2h, then stands 8h, gained timber is put into vacuum drying chamber after vacuum drying 3h under the conditions of 150 DEG C, with deionized water rinsing and in 55 DEG C of bars After drying 9h under part, the super-hydrophobic timber is produced；
Wherein, first treatment fluid is maleic rosin and AlCl3The mixed solution of gained in ethanol is dissolved in, wherein, The mass concentration of maleic rosin is 25%, AlCl3Mass concentration be 4%；
The second processing liquid is the mixed solution of butyl titanate, ammoniacal liquor, 5ml deionized waters and 45ml absolute ethyl alcohols, Wherein, the mass concentration 15% of butyl titanate, the mass concentration 15% of ammoniacal liquor.
Contact angle tester is used to measure the super-hydrophobic timber contact angle of the present embodiment as 157.9 °.
Embodiment 5
A kind of preparation method of super-hydrophobic timber is present embodiments provided, it comprises the following steps：
(1) size be 20mm × 5mm × 20mm (L × R × T) wood raw material after soaked in absolute ethyl alcohol 73h, spend from Sub- water rinses, and after drying 12h under the conditions of 59 DEG C, is soaked in the first treatment fluid and wooden with magnetic stirrer 16h, gained Timber-used deionized water rinsing, 12h is then dried under the conditions of 50 DEG C；
(2) timber after step (1) processing soaks in second processing liquid and with magnetic stirrer 1.5h, Ran Houjing 5h is put, gained timber is put into vacuum drying chamber after vacuum drying 2h under the conditions of 160 DEG C, with deionized water rinsing and at 50 DEG C Under the conditions of dry 6h after, produce the super-hydrophobic timber；
Wherein, first treatment fluid is maleic rosin and AlCl3The mixed solution of gained in ethanol is dissolved in, wherein, The mass concentration of maleic rosin is 15%, AlCl3Mass concentration be 0.5%；
The second processing liquid is the mixed solution of butyl titanate, ammoniacal liquor, 5ml deionized waters and 45ml absolute ethyl alcohols, Wherein, the mass concentration 12% of butyl titanate, the mass concentration 18% of ammoniacal liquor.
As shown in figure 5, contact angle tester is used to measure the super-hydrophobic timber contact angle of the present embodiment as 153.7 °.
Embodiment 6
A kind of preparation method of super-hydrophobic timber is present embodiments provided, it comprises the following steps：
(1) size be 20mm × 5mm × 20mm (L × R × T) wood raw material after soaked in absolute ethyl alcohol 72h, spend from Sub- water rinses, after drying 12h under the conditions of 60 DEG C, the immersion and with magnetic stirrer 1h, Ran Houjing in second processing liquid 6h is put, gained timber deionized water rinsing, 12h is then dried under the conditions of 60 DEG C；
(2) timber after step (1) processing soak in the first treatment fluid and with magnetic stirrer 24h, and gained is wooden Material is put into vacuum drying chamber after vacuum drying 4h under the conditions of 140 DEG C, is dried with deionized water rinsing and under the conditions of 60 DEG C After 12h, the super-hydrophobic timber is produced；
Wherein, first treatment fluid is maleic rosin and AlCl3The mixed solution of gained in ethanol is dissolved in, wherein, The mass concentration of maleic rosin is 1%, AlCl3Mass concentration be 1%；
The second processing liquid is the mixed solution of butyl titanate, ammoniacal liquor, 5ml deionized waters and 45ml absolute ethyl alcohols, Wherein, the mass concentration 10% of butyl titanate, the mass concentration 10% of ammoniacal liquor.
As shown in fig. 6, contact angle tester is used to measure the super-hydrophobic timber contact angle of the present embodiment as 150.5 °；Fig. 6 Middle drop is the aqueous solution containing watercolor pigments, and pigment used is water solubility, and its ultra-hydrophobicity to timber does not have an impact, Hydrophobic visual effect of the pigment just for the sake of enhancing drop on timber is added in water, this implementation can clearly be learnt by Fig. 6 The timber of example has good super-hydrophobicity.
Embodiment 7
A kind of preparation method of super-hydrophobic timber is present embodiments provided, it comprises the following steps：
(1) size be 20mm × 5mm × 20mm (L × R × T) wood raw material after soaked in absolute ethyl alcohol 71h, spend from Sub- water rinses, after drying 12h under the conditions of 62 DEG C, the immersion and with magnetic stirrer 1.5h in second processing liquid, then 6h is stood, gained timber deionized water rinsing, 10h is then dried under the conditions of 60 DEG C；
(2) timber after step (1) processing soak in the first treatment fluid and with magnetic stirrer 22h, and gained is wooden Material is put into vacuum drying chamber after vacuum drying 3.5h under the conditions of 180 DEG C, is done with deionized water rinsing and under the conditions of 60 DEG C After dry 11h, the super-hydrophobic timber is produced；
Wherein, first treatment fluid is maleic rosin and AlCl3The mixed solution of gained in ethanol is dissolved in, wherein, The mass concentration of maleic rosin is 1%, AlCl3Mass concentration be 1%；
The second processing liquid is the mixed solution of butyl titanate, ammoniacal liquor, 5ml deionized waters and 45ml absolute ethyl alcohols, Wherein, the mass concentration 10% of butyl titanate, the mass concentration 10% of ammoniacal liquor.
Contact angle tester is used to measure the super-hydrophobic timber contact angle of the present embodiment as 151.0 °.
Embodiment 8
A kind of preparation method of super-hydrophobic timber is present embodiments provided, it comprises the following steps：
(1) size be 20mm × 5mm × 20mm (L × R × T) wood raw material after soaked in absolute ethyl alcohol 75h, spend from Sub- water rinses, after drying 11.5 under the conditions of 62 DEG C, the immersion and with magnetic stirrer 24h, gained in the first treatment fluid Timber deionized water rinsing, 10h is then dried under the conditions of 45 DEG C；
(2) timber after step (1) processing soaks in second processing liquid and with magnetic stirrer 2h, then stands 8h, gained timber is put into vacuum drying chamber after vacuum drying 3h under the conditions of 150 DEG C, with deionized water rinsing and in 55 DEG C of bars After drying 9h under part, the super-hydrophobic timber is produced；
Wherein, first treatment fluid is maleic rosin and AlCl3The mixed solution of gained in ethanol is dissolved in, wherein, The mass concentration of maleic rosin is 5%, AlCl3Mass concentration be 1%；
The second processing liquid is the mixed solution of butyl titanate, ammoniacal liquor, 5ml deionized waters and 45ml absolute ethyl alcohols, Wherein, the mass concentration 15% of butyl titanate, the mass concentration 15% of ammoniacal liquor.
Contact angle tester is used to measure the super-hydrophobic timber contact angle of the present embodiment as 150.9 °.
Embodiment 9
A kind of preparation method of super-hydrophobic timber is present embodiments provided, it comprises the following steps：
(1) size be 20mm × 5mm × 20mm (L × R × T) wood raw material after soaked in absolute ethyl alcohol 73h, spend from Sub- water rinses, and after drying 12h under the conditions of 59 DEG C, is soaked in the first treatment fluid and wooden with magnetic stirrer 16h, gained Timber-used deionized water rinsing, 12h is then dried under the conditions of 50 DEG C；
(2) timber after step (1) processing soaks in second processing liquid and with magnetic stirrer 1.5h, Ran Houjing 5h is put, gained timber is put into vacuum drying chamber after vacuum drying 2h under the conditions of 160 DEG C, with deionized water rinsing and at 50 DEG C Under the conditions of dry 6h after, produce the super-hydrophobic timber；
Wherein, first treatment fluid is maleic rosin and AlCl3The mixed solution of gained in ethanol is dissolved in, wherein, The mass concentration of maleic rosin is 35%, AlCl3Mass concentration be 0.5%；
The second processing liquid is the mixed solution of butyl titanate, ammoniacal liquor, 5ml deionized waters and 45ml absolute ethyl alcohols, Wherein, the mass concentration 12% of butyl titanate, the mass concentration 10% of ammoniacal liquor.
Contact angle tester is used to measure the super-hydrophobic timber contact angle of the present embodiment as 151.5 °.
Embodiment 10
A kind of preparation method of super-hydrophobic timber is present embodiments provided, it is essentially identical with the methods described of embodiment 1, area It is not only that：AlCl is free of in first treatment fluid described in the present embodiment3；The super thin of the present embodiment is measured using contact angle tester Water timber contact angle is 154.0 °.
Comparative example 1
This comparative example provides a kind of processing method of timber, its method with preparing super-hydrophobic timber described in embodiment 1 It is essentially identical, differ only in：The AlCl3Mass concentration be 5% (W/W), measured using same contact angle tester The timber contact angle of the present embodiment is 143.4 °, illustrates do not have super-hydrophobicity by the timber that this method is handled.
Comparative example 2
This comparative example provides a kind of processing method of timber, its method with preparing super-hydrophobic timber described in embodiment 1 It is essentially identical, differ only in：The mass concentration of the maleic rosin is 50% (W/W), using same contact angle tester The timber contact angle for measuring the present embodiment is 145.1 °, illustrates do not have super-hydrophobicity by the timber that this method is handled.
Comparative example 3
This comparative example provides a kind of processing method of timber, its method with preparing super-hydrophobic timber described in embodiment 1 It is essentially identical, differ only in：The mass concentration of the butyl titanate is 30% (W/W), is tested using same contact angle The timber contact angle that instrument measures the present embodiment is 140.3 °, illustrates do not have super-hydrophobicity by the timber that this method is handled.
Comparative example 4
This comparative example provides a kind of processing method of timber, its method with preparing super-hydrophobic timber described in embodiment 1 It is essentially identical, differ only in：The mass concentration of the ammoniacal liquor is 40% (W/W), is measured using same contact angle tester The timber contact angle of the present embodiment is 130.0 °, illustrates do not have super-hydrophobicity by the timber that this method is handled.
Comparative example 5
This comparative example provides a kind of processing method of timber, and methods described described in embodiment 1 with preparing super-hydrophobic timber Method it is essentially identical, differ only in：The first treatment fluid described in embodiment 1 is replaced with clear water by this comparative example, using connecing The timber contact angle that feeler tester measures the present embodiment is 80.2 °.
Comparative example 6
This comparative example provides a kind of processing method of timber, and methods described described in embodiment 1 with preparing super-hydrophobic timber Method it is essentially identical, differ only in：Second processing liquid described in embodiment 1 is replaced with clear water by this comparative example, using connecing The timber contact angle that feeler tester measures the present embodiment is 115.6 °.
Embodiments of the invention provide for the sake of example and description, and are not exhaustively or by this to send out It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing Select and describe embodiment and be to more preferably illustrate the principle and practical application of the present invention, and make one of ordinary skill in the art It will be appreciated that the present invention is so as to designing the various embodiments with various modifications suitable for special-purpose.

Claims (12)

1. a kind of preparation method of super-hydrophobic timber, it is characterised in that wood raw material passes through two-stage immersion treatment, the two-stage leaching Bubble processing by the first treatment fluid and the unordered progress of second processing liquid, is soaked after terminating respectively, with deionized water rinsing, is through drying Obtain the super-hydrophobic timber；
First treatment fluid is maleic rosin or maleic rosin and AlCl3The solution of gained in ethanol is dissolved in, wherein, Malaysia The mass concentration of rosin is 1%~40%, AlCl3Mass concentration be 0%~4%；
The second processing liquid is the mixed solution of butyl titanate, ammoniacal liquor, deionized water and absolute ethyl alcohol, wherein, metatitanic acid four The mass concentration of butyl ester is 10%~20%, and the mass ratio of butyl titanate and ammoniacal liquor is 1:3~2:1.
2. preparation method according to claim 1, it is characterised in that the quality of maleic rosin is dense in first treatment fluid Spend for 10%~20%, AlCl3Mass concentration be 1%~2%.
3. preparation method according to claim 1, it is characterised in that butyl titanate and ammoniacal liquor in the second processing liquid Mass ratio be 1:2~2:1.
4. according to the preparation method described in any one of claims 1 to 3, it is characterised in that comprise the following steps：
(1) wood raw material after surface impurity removes is after the first treatment fluid immersion treatment, with deionized water rinsing, then Dry；
(2) timber after step (1) processing is after the second processing liquid immersion treatment, with deionized water rinsing and drying, i.e., Obtain the super-hydrophobic timber.
5. preparation method according to claim 4, it is characterised in that the method for removing wood raw material surface impurity For：The wood raw material, with deionized water rinsing, is then dried after soaked in absolute ethyl alcohol.
6. preparation method according to claim 5, it is characterised in that the wood raw material is through the soaked in absolute ethyl alcohol time 70~75h.
7. preparation method according to claim 4, it is characterised in that the wood raw material after the surface impurity removal is in institute The time for stating the immersion of the first treatment fluid is 12~24h.
8. preparation method according to claim 7, it is characterised in that the wood raw material after the surface impurity removal is in institute State and be stirred while immersion in the first treatment fluid with magnetic stirring apparatus.
9. preparation method according to claim 4, it is characterised in that the timber after step (1) processing is through at described second The time for managing liquid immersion is 0.5~2h, is stirred while the immersion with magnetic stirring apparatus, then stands 4~8h.
10. preparation method according to claim 1, it is characterised in that comprise the following steps：
(1) wood raw material through 70~75h of soaked in absolute ethyl alcohol to remove surface impurity, then with deionized water rinsing, 58~ After drying 11.5~12.5h under the conditions of 62 DEG C, immersion is placed in first treatment fluid and with magnetic stirrer 12 ~24h, gained timber deionized water rinsing, 6~12h is then dried under the conditions of 40~60 DEG C；
(2) timber after step (1) processing soaks in the second processing liquid and with 0.5~2h of magnetic stirrer, so 4~8h is stood afterwards, after gained timber is dried in vacuo 2~6h under the conditions of 140~180 DEG C, with deionized water rinsing and 40~ After drying 6~12h under the conditions of 60 DEG C, the super-hydrophobic timber is produced.
11. the super-hydrophobic timber that any one of claim 1~10 preparation method obtains.
12. super-hydrophobic timber according to claim 11, it is characterised in that contact of the water on the super-hydrophobic timber surface Angle is 150 °~160 °.
CN201610634795.0A 2016-08-04 2016-08-04 A kind of super-hydrophobic timber and preparation method thereof Expired - Fee Related CN106272773B (en)

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US4085251A (en) * 1973-11-19 1978-04-18 Canadian Patents & Development Limited High retention wood preservative composition
CN101234497B (en) * 2008-02-27 2011-04-20 中南林业科技大学 Method for preparing liquid state silicon series charing antisepsis wood bamboo
CN104260169B (en) * 2014-10-08 2016-02-24 西南林业大学 Wood substrate composite material of a kind of hydrophobic, anti-ultraviolet aging and preparation method thereof
CN104493930B (en) * 2014-11-27 2016-06-08 东北林业大学 The method improving super-hydrophobic timber chemical stability
CN105599077A (en) * 2015-12-18 2016-05-25 中国林业科学研究院木材工业研究所 Method for preparation of superhydrophobic timber on the basis of sol-gel method
CN105619558B (en) * 2016-03-01 2017-03-22 山东农业大学 Preparation method of organic-inorganic hybrid super-hydrophobic and oleophobic wood modifier with mold-proof, sterilization, anti-flaming and weather-proof properties

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