CN108032393A - Preservative treatment material process is modified based on nano silicon dioxide and emulsifying wax - Google Patents
Preservative treatment material process is modified based on nano silicon dioxide and emulsifying wax Download PDFInfo
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- CN108032393A CN108032393A CN201711026003.2A CN201711026003A CN108032393A CN 108032393 A CN108032393 A CN 108032393A CN 201711026003 A CN201711026003 A CN 201711026003A CN 108032393 A CN108032393 A CN 108032393A
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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
- B27K3/0207—Pretreatment of wood before impregnation
- B27K3/0214—Drying
-
- 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
- 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
-
- 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
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
-
- 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
- B27K3/50—Mixtures of different 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
-
- 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
- B27K2240/20—Removing fungi, molds or insects
-
- 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
- B27K2240/30—Fireproofing
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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)
- Nanotechnology (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The present invention relates to preservative treatment material production technical field, open one kind is modified preservative treatment material process based on nano silicon dioxide and emulsifying wax, and key step includes：Pre-treatment is first carried out, secondly silica modified dose of preparation of nano, again, prepare emulsifying wax/preservative modification liquid, then carry out impregnation three times, finally dry.Preservative treatment material after treatment is without obvious cosmetic variation, but the dimensional stability, density, case hardness, resistance leachability, anti-flammability and the weatherability that handle material are largely increased.
Description
Technical field
It is specifically a kind of to be based on nano silicon dioxide and emulsification the present invention relates to preservative treatment material production technical field
Wax is modified preservative treatment material process.
Background technology
Wood preservation processing is to save timber, the effective way of prolonging wood service life.At present, water ballast type preservative treatment
Material is in China using more and more extensive, but its anti-light degradability and hydrophobicity are poor, cause to be lost during use outdoors
Greatly.Achievement in research in recent years is made a general survey of, it can be found that the research of preservative treatment material is concentrated mainly on the research and development field of water-repelling agent,
However, only water-repelling agent is separately applied in timber preservative, although some physical properties of processing material can be improved, such as drop
Cracking and warpage degree when reduction process material uses outdoors, but can not fundamentally solve the natural ageing resistance of preservative treatment material
The problem of poor.To fundamentally improve the outdoor weathe resistance of preservative-treated timber, it is necessary to effectively improve the anti-of preservative treatment material
Light degradation ability, and utilize the light stabilizer with stronger light absorption ability to be modified existing timber preservative, it is most
Effectively, most economical approach.However, the also rarely seen report of research in terms of the current anti-light degraded to improving preservative treatment material both at home and abroad
Road.With developing rapidly for nanometer technology in recent years, for example middle family tabernaemontanus bulrush two of domestic and foreign scholars, Zhao Guangjie etc. are actively by inorganic nano material
Material introduces Wood Science field, and has achieved noticeable achievement.It is contemplated that efficiently use the small of inorganic nano material
Dimensional effect, quantum effect, interface or skin effect, can provide new development for the anti-light degraded Journal of Sex Research of preservative treatment material
Space.Wherein, inorganic nano SiO2With extremely strong ultraviolet radiation absorption, infrared reflective properties, through spectrophotometry
Measurement is taken temperature bright, it is up to more than 70% to the uv absorption rate within wavelength 400nm, to infrared beyond wavelength 800nm
Line reflection rate is also up to more than 70%；In addition, inorganic nano SiO2Also there is the stronger pest-resistant performance of sterilization, and nontoxic, tasteless, nothing
Pollute, do not contain heavy metal element, for improved wood antiseptic solution, the anti-light degradation capability for improving preservative treatment material
And the feature of environmental protection has good development potentiality.Therefore, develop a kind of non-toxic and safe, low cost and many-sided can improve or improve
The preservative treatment material production method of performance, will have important practical significance and promotion prospect.
The content of the invention
It is an object of the invention to provide a kind of technique is simple, processing efficiently, performance is stable, environmental protection and improves performance
Preservative treatment material process is modified based on nano silicon dioxide and emulsifying wax
The technical solution adopted by the present invention to solve the technical problems is：It is modified based on nano silicon dioxide and emulsifying wax anti-
Corruption processing material process, comprises the following steps：
(1), pre-treatment：Log is removed the peel, is cut after saw cuts open into the specification of required size, 40-60 DEG C, 40-60% it is opposite
Dry 8-24h, controls the moisture content of timber to reach 8-10% under damp condition；
(2), silica modified dose of preparation of nano：By calgon (SHMP), the tertiary sodium phosphate of each 10-20 mass parts
(TSP), disodium ethylene diamine tetraacetate (EDTA-2Na), sodium polyphosphate and 3-10 mass parts sodium pyrophosphate (TSPP), in magnetic
Under the effect of power blender, 500-600 mass parts distilled water is dissolved in, nano silicon dioxide 1-3 mass parts are then added, with rotating speed
60-150min is stirred not less than 200r/min, then at a temperature of 20 DEG C -50 DEG C, ultrasonic disperse 15-60min, that is, is made used
Nano-silicon dioxide modified dose；
(3), emulsifying wax/preservative modification liquid is prepared：2-6 mass parts emulsifying wax solutions are dissolved in 800-1000 mass parts
In antiseptic solution, with rotating speed not less than 200r/min stirring 10-30min, that is, the emulsifying wax/preservative for being made used is modified
Liquid；
(4), single-steeping:
(a), the timber that step (1) obtains is put into closed vacuum pressed impregnation tank, vacuumizing makes in tank very
Reciprocal of duty cycle is protected -0.08 to -0.1MPa, holds 30-60min；
(b), in nano-silicon dioxide modified dose of injection impregnation tank for again preparing step (2), and make to flood completely
Timber, keeps 1-2h；
(c) and then vacuum is released, applies 0.6-1.0MPa air pressures into process tank, keep 1-2h；
(d) and then pressure release test specimen, is taken out, weighs test specimen；
(5), double-steeping：
(a), after the completion for the treatment of that test specimen weighs, it is put into climatic chamber, synchronizes the pre-treatment of rapid (1),
(b) then recycle step (2) prepare nano-silicon dioxide modified dose to examination material carry out double-steeping processing,
In the same above-mentioned steps of step (4) (a) to (c), to ensure that nanosized SiO_2 solution can be well into wood cell；
(6), impregnate three times：
(a), after the completion of having impregnated nano-silicon dioxide modified dose of test specimen weighing, it is put into climatic chamber, carries out same
The pre-treatment of step (1)；
(b) and then by emulsifying wax/preservative modification liquid that step (3) is prepared to examination material impregnation three times, step are carried out
In same above-mentioned steps (4) (a) to (c)；
(7), it is rear dry：Pressure relief, discharges remaining modification liquid, takes out preservative treatment material and is wiped, until surface
No obvious water mark residual, then moves in climatic chamber drying process after carrying out, 60 DEG C -80 DEG C of drying temperature, drying time 8-
12h, is subsequently cooled to room temperature, that is, obtains the modification preservative treatment material that moisture content is 8-15%.
The particle diameter of nano silicon dioxide is in 20-40nm scopes, hydrophilic in the step (2).
Antiseptic solution is the water ballast type timber preservative containing copper component in the step (3).
The antiseptic solution is any of the molten ammoniacal copper quaternary of different types of amine (ACQ) or copper azoles (CA).
In the step (1) log include poplar, birch, nanmu, by wood, China fir, pine.
The invention has the advantages that with treatment process it is simple, it is easily operated, cost is low, high treating effect, without poison ring
The advantages that guarantor, preservative treatment material after treatment handle the dimensional stability, density, surface of material without obvious cosmetic variation
Hardness, resistance leachability, anti-flammability and weatherability are largely increased.
Embodiment
Technical scheme is further described with reference to specific preferred embodiment：
Log of the present invention includes but not limited to six kinds following：Poplar, birch, nanmu, by wood, China fir, pine.
Embodiment 1：
First, pre-treatment is carried out:Southern Pine is removed the peel, is cut after saw cuts open into the specification of required size, 40 DEG C, it is 40% opposite
Dry 24h, controls the moisture content of timber to reach 8-10% under damp condition.
Secondly, silica modified dose of preparation of nano：By calgon (SHMP), the tertiary sodium phosphate of each 10 mass parts
(TSP), disodium ethylene diamine tetraacetate (EDTA-2Na), sodium polyphosphate and 3 mass parts sodium pyrophosphates (TSPP), are stirred in magnetic force
Mix under device effect, be dissolved in 500 mass parts distilled water, then add 1 mass parts of nano silicon dioxide, stirred with 200r/min
60min, then at a temperature of 20 DEG C, ultrasonic disperse 60min, that is, is made used nano-silicon dioxide modified dose, the nanometer
The particle diameter 20nm of silica.
Again, the molten ammoniacal copper quaternary of emulsifying wax/amine (ACQ) preservative modification liquid is prepared：2 mass parts emulsifying wax solutions are dissolved in
In 800 mass parts ACQ antiseptic solutions, 10min is stirred with 200r/min, that is, emulsifying wax/preservative modification liquid used is made；
Then, impregnation includes impregnating three times：
(1) single-steeping：The timber that step (1) obtains is put into closed vacuum pressed impregnation tank, vacuumized
Vacuum is set in tank to keep 30min in -0.08MPa；The nano-silicon dioxide modified dose of injection dipping that step (2) is prepared again
In process tank, and make to flood timber completely, keep 1h；Then vacuum is released, applies 0.6MPa air pressures into process tank, is kept
1h；Last pressure release, takes out test specimen and weighs；
(2) double-steeping：After the completion for the treatment of that test specimen weighs, it is put into climatic chamber, synchronizes the pre-treatment of rapid (1),
Then double-steeping processing is carried out to examination material using nano-silicon dioxide modified dose, is put into closed vacuum pressed impregnation tank
In, vacuumizing makes in tank vacuum keep 30min in -0.08MPa；Step (2) is prepared again nano-silicon dioxide modified dose
Inject in impregnation tank, and make to flood timber completely, keep 1h；Then vacuum is released, applies 0.6MPa gas into process tank
Pressure, keeps 1h, to ensure that nanosized SiO_2 solution can take out test specimen, weigh well into wood cell, pressure release；
(3) impregnate three times：After the completion of having impregnated nano-silicon dioxide modified dose of test specimen weighing, climatic chamber is put into
In, the pre-treatment of rapid (1) is synchronized, the emulsifying wax for then preparing step (3)/preservative modification liquid vacuum pressed impregnates work
Skill is impregnated into examination material, is put into closed vacuum pressed impregnation tank, and vacuumizing makes in tank vacuum protect in -0.08MPa
Hold 30min；In the nano-silicon dioxide modified dose of injection impregnation tank that step (2) is prepared again, and make to flood timber completely,
Keep 1h；Then vacuum is released, applies 0.6MPa air pressures into process tank, keep 1h；
Finally, rear drying process：Pressure relief, discharges remaining modification liquid, takes out preservative treatment material and is wiped, until
Surface is remained without obvious water mark, then move in climatic chamber carry out after drying process, 60 DEG C, drying time 12h of drying temperature,
Room temperature is subsequently cooled to, that is, obtains the modification preservative treatment material that moisture content is 8-15%.
For the present embodiment preservative treatment material performance evaluation：Dimensional stability measure reference standard GB/T 1934.1-
2009《Method for determination of the water absorption of wood》、GB 1934.2—2009《Method for determination of the swelling of wood》、GBT 1932—2009
《Method for determination of the shrinkage of wood》Evaluation, anti-turnover rate are evaluated according to AWPA E11-06, weatherability (weight-loss ratio, aberration)
With reference to BS PD CEN/TR 15046-2005《Timber preservative is purple prior to the artificial ageing of the treated wood of biologic test
UV radiation and water spray process》Evaluated, physical property (density, case hardness) is with reference to GB/T 22102《Preserving timber》Into
Row evaluation, anti-flammability is according to ISO5660-1《Reaction to fire experiment-heat release, smoke-producing amount and mass loss rate》Evaluated,
Table 1 below is modified effect improved situation of the material relative to untreated material for embodiment 1：
Table 1
Embodiment 2：
First, pre-treatment is carried out：Pinus sylvestris var. mongolica peeling, cut after saw cuts open into the specification of required size, 50 DEG C, it is 50% relatively wet
Dry 12h, controls the moisture content of timber to reach 8-10% under the conditions of degree；
Secondly, silica modified dose of preparation of nano：By calgon (SHMP), the tertiary sodium phosphate of each 15 mass parts
(TSP), disodium ethylene diamine tetraacetate (EDTA-2Na), sodium polyphosphate and 6 mass parts sodium pyrophosphates (TSPP), are stirred in magnetic force
Mix under device effect, be dissolved in 600 mass parts distilled water, then add 3 mass parts of nano silicon dioxide, stirred with 220r/min
90min, then at a temperature of 40 DEG C, ultrasonic disperse 15min, that is, is made used nano-silicon dioxide modified dose, the nanometer
The particle diameter 30nm of silica；
Again, emulsifying wax/preservative modification liquid is prepared：4 mass parts emulsifying wax solutions were dissolved in for 900 mass parts amine molten seasons
In ammonium copper (ACQ) antiseptic solution, 20min is stirred with rotating speed 250r/min, that is, emulsifying wax/ACQ preservatives used are made and change
Property liquid；
Then, impregnation：
(1), single-steeping：The timber that step (1) obtains is put into closed vacuum pressed impregnation tank, vacuumized
Vacuum is set in tank to keep 40min in -0.1MPa；At the nano-silicon dioxide modified dose of injection dipping that step (2) is prepared again
Manage in tank, and make to flood timber completely, keep 1h；Then vacuum is released, applies 1.0MPa air pressures into process tank, keeps 1h；
Finally, pressure release, takes out test specimen and weighs；
(2), double-steeping：After the completion for the treatment of that test specimen weighs, it is put into climatic chamber, carries out the pre-treatment of step (1), so
Double-steeping processing is carried out to examination material using nano-silicon dioxide modified dose afterwards, is put into closed vacuum pressed impregnation tank
In, vacuumizing makes in tank vacuum keep 40min in -0.1MPa；Step (2) is prepared again nano-silicon dioxide modified dose
Inject in impregnation tank, and make to flood timber completely, keep 1h；Then vacuum is released, applies 1.0MPa gas into process tank
Pressure, keeps 1h to ensure Nano-meter SiO_22Solution can take out test specimen, weigh well into wood cell, pressure release；
(3), impregnate three times：After the completion of having impregnated nano-silicon dioxide modified dose of test specimen weighing, climatic chamber is put into
In, carry out
The pre-treatment of step (1), the emulsifying wax for then preparing step (3)/preservative modification liquid vacuum pressed impregnate work
Skill is impregnated into examination material, is put into closed vacuum pressed impregnation tank, and vacuumizing makes in tank vacuum protect in -0.1MPa
Hold 40min；Again will
In the nano-silicon dioxide modified dose of injection impregnation tank that step (2) is prepared, and make to flood timber completely, keep
1h；Then vacuum is released, applies 1.0MPa air pressures into process tank, keeps 1h；
Finally, rear drying process：Pressure relief, discharges remaining modification liquid, takes out preservative treatment material and is wiped, until
Surface is remained without obvious water mark, then move in climatic chamber carry out after drying process, 70 DEG C, drying time 10h of drying temperature,
Room temperature is subsequently cooled to, that is, obtains the modification preservative treatment material that moisture content is 8-15%.
For the present embodiment preservative treatment material performance evaluation：Evaluated according to above-mentioned standard method, table 2 below is implementation
Example 2 is modified effect improved situation of the material relative to untreated material：
Table 2
Embodiment 3：
First, pre-treatment is carried out：China fir is removed the peel, is cut after saw cuts open into the specification of required size, 60 DEG C, it is 60% relatively wet
Dry 8h, controls the moisture content of timber to reach 8-10% under the conditions of degree；
Secondly, silica modified dose of preparation of nano：By calgon (SHMP), the tertiary sodium phosphate of each 20 mass parts
(TSP), disodium ethylene diamine tetraacetate (EDTA-2Na), sodium polyphosphate and 10 mass parts sodium pyrophosphates (TSPP), in magnetic force
Under blender effect, 600 mass parts distilled water are dissolved in, 2 mass parts of nano silicon dioxide is then added, is stirred with 300r/min
150min, then at a temperature of 50 DEG C, ultrasonic disperse 40min, that is, is made used nano-silicon dioxide modified dose, the nanometer
The particle diameter 40nm of silica；
Again, emulsifying wax/preservative modification liquid is prepared：6 mass parts emulsifying wax solutions are dissolved in 1000 mass parts copper azoles
(CA) in antiseptic solution, 30min is stirred with rotating speed 300r/min, that is, emulsifying wax/CA preservative modification liquids used are made；
Then, impregnation includes impregnating three times：
(1), single-steeping：The timber that step (1) obtains is put into closed vacuum pressed impregnation tank, vacuumized
Vacuum is set in tank to keep 60min in -0.1MPa；At the nano-silicon dioxide modified dose of injection dipping that step (2) is prepared again
Manage in tank, and make to flood timber completely, keep 2h；Then vacuum is released, applies 1.0MPa air pressures into process tank, keeps 2h；
Last pressure release, takes out test specimen and weighs；
(2), double-steeping：After the completion for the treatment of that test specimen weighs, it is put into climatic chamber, synchronizes the pre-treatment of rapid (1),
Then double-steeping processing is carried out to examination material using nano-silicon dioxide modified dose, is put into closed vacuum pressed impregnation tank
In, vacuumizing makes in tank vacuum keep 60min in -0.1MPa；Step (2) is prepared again nano-silicon dioxide modified dose
Inject in impregnation tank, and make to flood timber completely, keep 2h；Then vacuum is released, applies 1.0MPa gas into process tank
Pressure, keeps 2h, to ensure that nanosized SiO_2 solution can take out test specimen, weigh well into wood cell, pressure release；
(3), impregnation three times：After the completion of having impregnated nano-silicon dioxide modified dose of test specimen weighing, constant temperature perseverance is put into
In wet tank, the pre-treatment of step (1) is carried out, the emulsifying wax for then preparing step (3)/preservative modification liquid vacuum pressed impregnates
Technique is impregnated into examination material, is put into closed vacuum pressed impregnation tank, and vacuumizing makes in tank vacuum in -0.1MPa,
Keep 60min；In the nano-silicon dioxide modified dose of injection impregnation tank that step (2) is prepared again, and make to flood wood completely
Material, keeps 2h；Then vacuum is released, applies 1.0MPa air pressures into process tank, keeps 2h；
Finally, rear drying process：Pressure relief, discharges remaining modification liquid, takes out preservative treatment material and is wiped, until
Surface is remained without obvious water mark, then move in climatic chamber carry out after drying process, 80 DEG C, drying time 8h of drying temperature,
Room temperature is subsequently cooled to, that is, obtains the modification preservative treatment material that moisture content is 8-15%.
For the present embodiment preservative treatment material performance evaluation：Evaluated according to above-mentioned standard method, table 3 below is implementation
Example 3 is modified effect improved situation of the material relative to untreated material：
Table 3
Claims (5)
1. preservative treatment material process is modified based on nano silicon dioxide and emulsifying wax, it is characterised in that comprise the following steps：
(1), pre-treatment：Log is removed the peel, is cut after saw cuts open into the specification of required size, in 40-60 DEG C, 40-60% relative humidity
Under the conditions of dry 8-24h, control the moisture content of timber to reach 8-10%；
(2), silica modified dose of preparation of nano：By calgon, tertiary sodium phosphate, the ethylenediamine tetraacetic of each 10-20 mass parts
Acetic acid disodium, sodium polyphosphate and 3-10 mass parts sodium pyrophosphates, under magnetic stirring apparatus effect, are dissolved in 500-600 matter
Part distilled water is measured, then adds nano silicon dioxide 1-3 mass parts, 60-150min is stirred not less than 200r/min with rotating speed, so
Afterwards at a temperature of 20 DEG C -50 DEG C, ultrasonic disperse 15-60min, that is, it is made used nano-silicon dioxide modified dose；
(3), emulsifying wax/preservative modification liquid is prepared：2-6 mass parts emulsifying wax solutions are dissolved in 800-1000 mass parts anti-corrosions
In agent solution, with rotating speed not less than 200r/min stirring 10-30min, that is, emulsifying wax/preservative modification liquid used is made；
(4), single-steeping:
(a), the timber that step (1) obtains is put into closed vacuum pressed impregnation tank, vacuumizing makes vacuum in tank
Protected -0.08 to -0.1MPa, hold 30-60min；
(b), in nano-silicon dioxide modified dose of injection impregnation tank for again preparing step (2), and make to flood timber completely,
Keep 1-2h；
(c) and then vacuum is released, applies 0.6-1.0MPa air pressures into process tank, keep 1-2h；
(d) and then pressure release test specimen, is taken out, weighs test specimen；
(5), double-steeping：
(a), after the completion for the treatment of that test specimen weighs, it is put into climatic chamber, synchronizes the pre-treatment of rapid (1),
(b) then recycle step (2) prepare nano-silicon dioxide modified dose to examination material carry out double-steeping processing, step
In same above-mentioned steps (4) (a) to (c), to ensure that nanosized SiO_2 solution can be well into wood cell；
(6), impregnate three times：
(a), after the completion of having impregnated nano-silicon dioxide modified dose of test specimen weighing, it is put into climatic chamber, synchronizes rapid
(1) pre-treatment；
(b) and then by emulsifying wax/preservative modification liquid that step (3) is prepared to examination material impregnation three times is carried out, step is same as above
State in step (4) (a) to (c)；
(7), it is rear dry：Pressure relief, discharges remaining modification liquid, takes out preservative treatment material and is wiped, until surface is without bright
Aobvious water mark residual, then moves in climatic chamber drying process after carrying out, 60 DEG C -80 DEG C, drying time 8-12h of drying temperature,
Room temperature is subsequently cooled to, that is, obtains the modification preservative treatment material that moisture content is 8-15%.
2. process according to claim 1, it is characterised in that the particle diameter of nano silicon dioxide in the step (2)
In 20-40nm scopes, hydrophilic.
3. process according to claim 1, it is characterised in that in the step (3) antiseptic solution for cupric into
The water ballast type timber preservative divided.
4. process according to claim 3, it is characterised in that the antiseptic solution is different types of amine molten season
Any of ammonium copper or copper azoles.
5. process according to claim 1, it is characterised in that in the step (1) log include poplar, birch,
Nanmu, by wood, China fir, pine.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551596A (en) * | 2018-12-04 | 2019-04-02 | 赤水市牵手竹艺发展有限公司 | A kind of production method of anti-aging bamboo handicraft product |
| CN112092129A (en) * | 2019-06-18 | 2020-12-18 | 南通飞云工艺家具有限公司 | Preparation method of high-strength wear-resistant wood based on environment-friendly resin reinforcement |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103862538A (en) * | 2014-02-12 | 2014-06-18 | 北京林业大学 | Natural surfactant-based paraffin series water-proofing agent |
| CN104526805A (en) * | 2014-12-24 | 2015-04-22 | 广东省林业科学研究院 | Nonionic paraffin emulsion for wood modification, and preparation method and application thereof |
| CN104858950A (en) * | 2014-12-25 | 2015-08-26 | 王玉燕 | Nano silicon dioxide modified wood production method |
| CN107116644A (en) * | 2017-07-05 | 2017-09-01 | 合肥万之景门窗有限公司 | A kind of production technology of the wooden door and window of antiseptic fire-retardation |
-
2017
- 2017-10-27 CN CN201711026003.2A patent/CN108032393A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103862538A (en) * | 2014-02-12 | 2014-06-18 | 北京林业大学 | Natural surfactant-based paraffin series water-proofing agent |
| CN104526805A (en) * | 2014-12-24 | 2015-04-22 | 广东省林业科学研究院 | Nonionic paraffin emulsion for wood modification, and preparation method and application thereof |
| CN104858950A (en) * | 2014-12-25 | 2015-08-26 | 王玉燕 | Nano silicon dioxide modified wood production method |
| CN107116644A (en) * | 2017-07-05 | 2017-09-01 | 合肥万之景门窗有限公司 | A kind of production technology of the wooden door and window of antiseptic fire-retardation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551596A (en) * | 2018-12-04 | 2019-04-02 | 赤水市牵手竹艺发展有限公司 | A kind of production method of anti-aging bamboo handicraft product |
| CN112092129A (en) * | 2019-06-18 | 2020-12-18 | 南通飞云工艺家具有限公司 | Preparation method of high-strength wear-resistant wood based on environment-friendly resin reinforcement |
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