CN110497493A - The method of organic impregnation modified artificial forest wood - Google Patents
The method of organic impregnation modified artificial forest wood Download PDFInfo
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- CN110497493A CN110497493A CN201910934659.7A CN201910934659A CN110497493A CN 110497493 A CN110497493 A CN 110497493A CN 201910934659 A CN201910934659 A CN 201910934659A CN 110497493 A CN110497493 A CN 110497493A
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- forest wood
- negative pressure
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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
- B27K3/005—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process employing compositions comprising microparticles
-
- 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
- B27K3/02—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
- B27K3/16—Inorganic impregnating agents
- B27K3/20—Compounds of alkali metals or ammonium
-
- 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
- B27K5/001—Heating
-
- 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
- B27K5/007—Treating of wood not provided for in groups B27K1/00, B27K3/00 using pressure
- B27K5/0075—Vacuum
-
- 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
Abstract
The invention discloses a kind of methods of organic impregnation modified artificial forest wood, artificial forest wood is mainly carried out type of respiration circular treatment by way of providing negative pressure-dipping A liquid-application positive pressure-the extra A liquid of discharge-and providing negative pressure-dipping B liquid-extra B liquid of application positive pressure-discharge by this method, A liquid is sodium silicate solution, B liquid is the mixed liquor of one or more of silica, magnesia, aluminum oxide, zinc oxide and alumina silicate with poly-vinyl alcohol solution composition, obtains the modified artificial forest wood of organic impregnation.Method of the invention is handled timber with negative pressure expiration-positive pressure air-breathing alternative expression endless form by simulation biology breathing principle, permeability is high, dipping uniformly, flame-retardant smoke inhibition, have excellent performance and environmentally protective.
Description
Technical field
The invention belongs to lumber functionality improvement technical fields, are related to a kind of side of organic impregnation modified artificial forest wood
A kind of method, and in particular to method of type of respiration silicate inorganic dipping modified artificial forest wood.
Background technique
Timber is as environmentally friendly recyclable materials, because its distinctive quality makes it in the side such as building, decoration and furniture
Face is widely used.But the business of wildwood is forbidden to fell the implementation of policy, timber with country as wildwood resource is reduced
The imbalance between supply and demand in market increasingly sharpens, and wood of Cunninghamia lanceolata has become the main channel for meeting lumber market demand.However wood of Cunninghamia lanceolata is deposited
The defects of material is loose, density is small, poor dimensional stability, enhancing modification is carried out to it can greatly improve the property of wood of Cunninghamia lanceolata
Energy and added value expand application field.It is that organic matter dipping is modified that scholar both domestic and external, which studies more, in early days, common main
There are the resins such as phenolic resin, Lauxite, polymethyl methacrylate, the correlated performance of timber can be improved, but at the same time,
There are some problems: resin dipping, be dried to product during have the toxic gas such as formaldehyde and phenol and release
It puts；The effective storage life of organic modifiers is shorter, cannot reuse, and side increases modified cost；Organic substance is modified
Material is compared to material more easy firing.
In impregnated timber, many timber problem difficult there is also dipping.There is the softwood longitudinal air of studies have shown that seep
Permeability is 0.00957-1.87173darcy, broadleaf 0.00195-13.49876darcy, and wherein the infiltration of China fir is mild-natured
It is 0.1darcy, infiltration grade is in reduced levels, this is because there are aspirated pits or part pit by nothing for wood of Cunninghamia lanceolata
Caused by amorphous mass blocks.It is mainly dry by mechanical treatment, solvent displacement, steam blasting and freezing in previous research
The modes such as dry improve the permeability of timber, but little to the lower artificial forest function and effect of this kind of permeability of China fir.
In summary situation, the method for developing novel modified artificial forest wood become the task of top priority, need for difference
The characteristic of tree species improves impregnation technology, to effectively improve permeability junior tree species, solves the artificial speed of dipping
The key problem in technology of raw forest timber.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide a kind of former by simulation biology breathing
It manages, alternately timber is acted on " negative pressure (expiration)-positive pressure (air-breathing) " circulation form, permeability is high, dipping is uniform, fire-retardant
Suppression cigarette is had excellent performance and the method for environmentally protective organic impregnation modified artificial forest wood.
In order to solve the above technical problems, the present invention uses following technical scheme.
A kind of method of organic impregnation modified artificial forest wood, the method are mainly that artificial forest wood is negative by providing
Pressure-dipping A liquid-application positive pressure-discharge extra A liquid-offer negative pressure-dipping B liquid-application positive pressure-discharge extra B liquid side
Formula carry out type of respiration circular treatment, A liquid be sodium silicate solution, B liquid be silica, magnesia, aluminum oxide, zinc oxide and
The mixed liquor that one or more of alumina silicate is formed with poly-vinyl alcohol solution obtains the modified artificial forest wood of organic impregnation.
The method of above-mentioned organic impregnation modified artificial forest wood, it is preferred that the following steps are included:
(1) artificial forest wood is placed in reaction vessel, first vacuumizes to form negative pressure and pressure maintaining, makes in wood cell gap
Air be extracted, A liquid is then added and submerges timber, unloads negative pressure after the completion of feed liquor, then applies positive pressure simultaneously into reaction vessel
Pressure maintaining is sufficiently submerged in A liquid in timber, then gives off extra A liquid；
(2) reaction vessel after extra A liquid will be discharged first to vacuumize to form negative pressure and pressure maintaining, is made in wood cell cavity space gap
Air and remaining moisture content be extracted, B liquid is then added and submerges timber, unloads negative pressure after the completion of feed liquor, then to reaction vessel
Interior application positive pressure and pressure maintaining, are sufficiently submerged in B liquid in timber, then give off extra B liquid；
(3) it is recycled by respiration formula of the treatment process of above-mentioned steps (1) to step (2), after repeatedly recycling, warp
Heating in vacuum solidification, obtains organic impregnation modified artificial forest wood.
The method of above-mentioned organic impregnation modified artificial forest wood, it is preferred that the poly-vinyl alcohol solution is by polyvinyl alcohol
It is formed with water, the sodium silicate solution, silica, magnesia, aluminum oxide, zinc oxide, alumina silicate, polyvinyl alcohol, water
Mass ratio be 280~290: 1~15: 0.1~5: 1~11: 0.1~9: 2~15: 2~5: 50~1410, the sodium metasilicate is molten
The mass fraction of liquid is 5%~40%.When B liquid is using in silica, magnesia, aluminum oxide, zinc oxide, alumina silicate
When part material, the proportion of part material is identical as the ratio range of above-mentioned corresponding raw material.
The method of above-mentioned organic impregnation modified artificial forest wood, it is furthermore preferred that the sodium silicate solution, silica,
Magnesia, aluminum oxide, zinc oxide, alumina silicate, polyvinyl alcohol, water mass ratio be 284.2: 3~12.02: 0.4~4.03
: 1.02~10.2: 0.81~8.14: 2.82~14.11: 2.84~14.21: 53.96~1406.79.
The method of above-mentioned organic impregnation modified artificial forest wood, it is preferred that the preparation process of the B liquid are as follows: at 90 DEG C
It is in~100 DEG C of water-baths that polyvinyl alcohol is soluble in water, silica, magnesia, aluminum oxide, zinc oxide and silicon is then added
One or more of sour aluminium obtains B liquid.
The method of above-mentioned organic impregnation modified artificial forest wood, it is preferred that the artificial forest wood includes China fir, pine
One of wood, Eucalyptus and poplar are a variety of.More preferable China fir.
The method of above-mentioned organic impregnation modified artificial forest wood, it is preferred that the artificial forest wood is first dried to aqueous
Rate is 8%~12%, then carries out type of respiration circular treatment.
The method of above-mentioned organic impregnation modified artificial forest wood, it is preferred that in the step (1), it is described be evacuated to-
0.085MPa~-0.1MPa, negative pressure pressure maintaining 5min~30min, the positive pressure are 0.3MPa~1.1MPa, positive pressure pressure maintaining 30min
~50min.
The method of above-mentioned organic impregnation modified artificial forest wood, it is preferred that in the step (2), it is described be evacuated to-
0.085MPa~-0.1MPa, negative pressure pressure maintaining 5min~30min, the positive pressure are 0.3MPa~1.1MPa, positive pressure pressure maintaining 30min
~50min.
The method of above-mentioned organic impregnation modified artificial forest wood, it is preferred that in the step (3), time of the circulation
Number is 1 time~12 times；The cured temperature of heating in vacuum be 50 DEG C~80 DEG C, the heating in vacuum cured time be 6h~
24h。
Compared with the prior art, the advantages of the present invention are as follows:
(1) the present invention provides a kind of method of type of respiration organic impregnation modified artificial forest wood, use is nontoxic, non-ignitable
The inorganic modifier of burning, free from environmental pollution, weatherability and durability improves artificial forest wood, realizes that artificial forest wood is high
Effect uniformly strengthens modification.Conventional resins (including low-molecular-weight resin) impregnate modified artificial forest wood, being impregnated in wood
Spend it is lower, cause dip time long, low efficiency, uniformity is poor；The present invention is first former by the synthesized micromolecule of inorganic coagulation material
Material is immersed in artificial forest wood, at this point, the reaction raw materials of small molecule easily and equably penetrate into artificial forest wood, then
Timber is strengthened in the agent of fabricated in situ inorganic gel in timber, is remarkably improved pickling efficiency and the uniformity.
(2) conventional resins (including low-molecular-weight resin) impregnating agent should not be put long, and effective time is shorter, storage a period of time
After can become cloudy, generate unknown sediment, admittedly can not recycle.Inorganic modifier (A liquid and/or B liquid) in the present invention takes
It is partially disposed in centrifuge tube, is placed after two months out, it can be observed that solution does not generate any variation, and after impregnating use also
It is reusable.
(3) it is conventionally used to the modified resin of artificial forest wood dipping and is generally phenolic resin, Lauxite, polymethyl
It is toxic to release to product formaldehyde, phenol etc. during entire improved treatment in for the organic resins such as sour methyl esters
Gas；The present invention impregnates modified wood of Cunninghamia lanceolata using inanimate matter, and adverse effect will not be caused to human body and environment, more green
Environmental protection.
(4) present invention uses type of respiration organic impregnation modified artificial forest wood, permeability is high, dip time is short and dipping compared with
To be uniform, the mechanical property of artificial forest wood can be effectively promoted, at the same time, also because inorganic substances have fire retardant characteristic,
To significantly improve the flame-retarding characteristic of artificial forest wood.
Detailed description of the invention
Fig. 1 is the Method And Principle schematic diagram of organic impregnation modified artificial forest wood in the embodiment of the present invention.
Specific embodiment
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described, but not therefore and
It limits the scope of the invention.
Material employed in following embodiment and instrument are commercially available.
Embodiment 1
A kind of method of organic impregnation modified artificial forest wood, as shown in Figure 1, comprising the following steps:
(1) 10mm × 10mm × 200mm specification is made in wood of Cunninghamia lanceolata saw, drying to moisture content is 12%.Prepare 284.2
Parts by weight sodium silicate solution, the mass fraction of sodium silicate solution is 10%, stand-by as A liquid.By 2.84 weights in 95 DEG C of water-baths
Amount part polyvinyl alcohol is dissolved in 53.96 parts by weight water, the polyvinyl alcohol water solution for being 5% with mass fraction, then by 12.02 weights
Amount part silica, magnesium oxide modified dose of 0.4 parts by weight, 0.81 part by weight of zinc oxide are mixed with the polyvinyl alcohol water solution prepared
Uniformly, it is made into B liquid, for use.1 parts by weight can be 1g, 1kg etc..The wood of Cunninghamia lanceolata that moisture content after drying process is 12% is put into
Impregnating autoclave carries out impregnating autoclave to be evacuated to -0.085MPa, then pressure maintaining 10min starts feed liquor, will by the negative pressure in tank
Medicament A liquid sodium silicate solution, which is drawn into tank, does not cross timber, into complete A liquid after unload negative pressure, then apply 0.3MPa into tank
Positive pressure, pressure maintaining 50min, it is therefore an objective to it gives the A liquid entered under condition of negative pressure one thrust, keeps timber pickling more complete,
And accelerate the speed of dipping, it can effectively shorten dip time；Extra A liquid is discharged, which is to utilize the positive pressure in tank
A liquid is discharged on one side, unloads positive pressure on one side, when general A liquid racks up, the positive pressure in tank has been unsnatched for discharge.
(2) it first vacuumizes the impregnating autoclave that A liquid is discharged to form negative pressure -0.085MPa, pressure maintaining 10min, the leaching of B liquid is then added
No timber, into complete B liquid after unload negative pressure, then apply the positive pressure of 0.3MPa, pressure maintaining 50min, then give off extra B into tank
Liquid, the extra B liquid are discharged using positive pressure in tank.
(3) " negative pressure-dipping A liquid-extra A liquid-of application positive pressure-discharge is provided with above-mentioned steps (1) to step (2)
Negative pressure-dipping B liquid-extra B liquid of application positive pressure-discharge is provided " it is a type of respiration circulation to timber alternate cycles 2 times.It will
The modified timber of dipping takes out, and after surface is eluted with water, is put into 50 DEG C of vacuum oven the 6h that is heating and curing, obtains inorganic
Impregnate modified wood of Cunninghamia lanceolata.
Embodiment 2
A kind of method of organic impregnation modified artificial forest wood, as shown in Figure 1, comprising the following steps:
(1) 20mm × 20mm × 400mm specification is made in Cunninghamia lanceolata timber saw, drying to moisture content is 10%.It is quasi-
The sodium silicate solution of standby 284.2 parts by weight 30wt%, as A liquid.8.52 weight account polyethylene alcohol are dissolved in 95 DEG C of water-baths
In 275.48 parts by weight water, with mass fraction be 3% polyvinyl alcohol water solution, then by 5.1 parts by weight aluminum oxides,
7.05 parts by weight alumina silicate are uniformly mixed with the polyvinyl alcohol water solution prepared, are made into B liquid, for use.In the present embodiment, 1 weight
Part is 1g, 1kg.The wood of Cunninghamia lanceolata that moisture content after drying process is 10% is put into impregnating autoclave, impregnating autoclave take out true
Then empty extremely -0.095MPa, pressure maintaining 20min start feed liquor, medicament A liquid sodium metasilicate are drawn into tank by the negative pressure in tank
Do not cross timber, into complete A liquid after unload negative pressure, then apply the positive pressure of 0.7MPa, pressure maintaining 40min into tank, it is therefore an objective to negative
One thrust of the A liquid entered under the conditions of pressure, keeps timber pickling more complete, and accelerates the speed of dipping, can effectively contract
Short dip time；Extra A liquid is discharged.
(2) it first vacuumizes the impregnating autoclave that A liquid is discharged to form negative pressure -0.095MPa, pressure maintaining 20min, the leaching of B liquid is then added
No timber, into complete B liquid after unload negative pressure, then apply the positive pressure of 0.7MPa, pressure maintaining 40min, then give off extra B into tank
Liquid.
(3) " negative pressure-dipping A liquid-extra A liquid-of application positive pressure-discharge is provided with above-mentioned steps (1) to step (2)
Negative pressure-dipping B liquid-extra B liquid of application positive pressure-discharge is provided " it is a type of respiration circulation to timber alternate cycles 6 times.It will
The modified timber of dipping takes out, and after surface is eluted with water, is put into 70 DEG C of vacuum oven and solidifies 18h, obtains inorganic leaching
Stain is modified wood of Cunninghamia lanceolata.
Embodiment 3
A kind of method of organic impregnation modified artificial forest wood, as shown in Figure 1, comprising the following steps:
(1) 40mm × 40mm × 800mm specification is made in Cunninghamia lanceolata timber saw, drying to moisture content is 8%.Prepare
The sodium silicate solution of 284.2 parts by weight 40wt%, as A liquid.14.21 weight account polyethylene alcohol are dissolved in 95 DEG C of water-baths
In 1406.79 parts by weight water, the polyvinyl alcohol water solution for being 1% with mass fraction, then by 3 parts by weight of silica, 4.03
Magnesium oxide modified dose of parts by weight, 1.02 parts by weight aluminum oxides, 0.81 part by weight of zinc oxide, 14.11 parts by weight alumina silicate with
The polyvinyl alcohol water solution prepared is uniformly mixed, and is made into B liquid, for use.In the present embodiment, 1 parts by weight are 1g, 1kg.It will do
The wood of Cunninghamia lanceolata that moisture content is 8% after dry processing is put into impregnating autoclave, carries out being evacuated to -0.1MPa, pressure maintaining to impregnating autoclave
Then 30min starts feed liquor, medicament A liquid sodium metasilicate is drawn into tank by the negative pressure in tank and does not cross timber, into complete A liquid
After unload negative pressure, then into tank apply 1.1MPa positive pressure, pressure maintaining 30min, it is therefore an objective to the A liquid entered under condition of negative pressure
One thrust, keeps timber pickling more complete, and accelerates the speed of dipping, can effectively shorten dip time；It is extra to be discharged
A liquid.
(2) it first vacuumizes the impregnating autoclave that A liquid is discharged to form negative pressure -0.1MPa, pressure maintaining 30min, the submergence of B liquid is then added
Timber, into complete B liquid after unload negative pressure, then into tank apply 1.1MPa positive pressure, pressure maintaining 30min.Then extra B is given off
Liquid.
(3) " negative pressure-dipping A liquid-extra A liquid-of application positive pressure-discharge is provided with above-mentioned steps (1) to step (2)
Negative pressure-dipping B liquid-extra B liquid of application positive pressure-discharge is provided " it is a type of respiration circulation to timber alternate cycles 12 times.It will
The modified timber of dipping takes out, and after surface is eluted with water, is put into 80 DEG C of vacuum oven and solidifies for 24 hours, obtains inorganic leaching
Stain is modified wood of Cunninghamia lanceolata.
Above-described embodiment 1, embodiment 2, the properties testing result of embodiment 3 and unmodified timber are as shown in table 1.
It can be seen that from testing result, modified through impregnating, wood weight and density significantly improve, and are indicated above inorganic substances and successfully soak
Stain is to wood internal.Meanwhile the mechanical strength of improved wood is also significantly better than non-modified timber, has further demonstrated that inorganic
Substance is successfully impregnated into wood internal, and curing reaction occurs, and then fills timber cavity, enhances the mechanical property of timber.
The inorganic modified wood performance of table 1 compares
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form.Though
So the present invention is disclosed as above with preferred embodiment, and however, it is not intended to limit the invention.It is any to be familiar with those skilled in the art
Member, in the case where not departing from Spirit Essence of the invention and technical solution, all using in the methods and techniques of the disclosure above
Appearance makes many possible changes and modifications or equivalent example modified to equivalent change to technical solution of the present invention.Therefore,
Anything that does not depart from the technical scheme of the invention are made to the above embodiment any simple according to the technical essence of the invention
Modification, equivalent replacement, equivalence changes and modification, all of which are still within the scope of protection of the technical scheme of the invention.
Claims (10)
1. a kind of method of organic impregnation modified artificial forest wood, which is characterized in that the method is mainly by artificial forest wood
It is more by providing negative pressure-dipping A liquid-application positive pressure-discharge extra A liquid-offer negative pressure-dipping B liquid-application positive pressure-discharge
The mode of remaining B liquid carries out type of respiration circular treatment, and A liquid is sodium silicate solution, and B liquid is silica, magnesia, three oxidations two
The mixed liquor that one or more of aluminium, zinc oxide and alumina silicate are formed with poly-vinyl alcohol solution obtains what organic impregnation was modified
Artificial forest wood.
2. the method for organic impregnation modified artificial forest wood according to claim 1, which is characterized in that including following step
It is rapid:
(1) artificial forest wood is placed in reaction vessel, first vacuumizes to form negative pressure and pressure maintaining, makes the sky in wood cell gap
Gas is extracted, and A liquid is then added and submerges timber, unloads negative pressure after the completion of feed liquor, then apply positive pressure and pressure maintaining into reaction vessel,
It is sufficiently submerged in A liquid in timber, then gives off extra A liquid；
(2) reaction vessel after extra A liquid will be discharged first to vacuumize to form negative pressure and pressure maintaining, makes the sky in wood cell cavity space gap
Gas and remaining moisture content are extracted, and B liquid is then added and submerges timber, unloads negative pressure after the completion of feed liquor, then apply into reaction vessel
Add positive pressure and pressure maintaining, is sufficiently submerged in B liquid in timber, then give off extra B liquid；
(3) it is recycled by respiration formula of the treatment process of above-mentioned steps (1) to step (2), after repeatedly recycling, through vacuum
It is heating and curing, obtains organic impregnation modified artificial forest wood.
3. the method for organic impregnation modified artificial forest wood according to claim 1 or 2, which is characterized in that the poly- second
Enolate solution is made of polyvinyl alcohol and water, the sodium silicate solution, silica, magnesia, aluminum oxide, zinc oxide,
Alumina silicate, polyvinyl alcohol, water mass ratio be 280~290: 1~15: 0.1~5: 1~11: 0.1~9: 2~15: 2~5: 50
~1410, the mass fraction of the sodium silicate solution is 5%~40%.
4. the method for organic impregnation modified artificial forest wood according to claim 3, which is characterized in that the sodium metasilicate is molten
Liquid, silica, magnesia, aluminum oxide, zinc oxide, alumina silicate, polyvinyl alcohol, water mass ratio be 284.2: 3~
12.02: 0.4~4.03: 1.02~10.2: 0.81~8.14: 2.82~14.11: 2.84~14.21: 53.96~1406.79.
5. the method for organic impregnation modified artificial forest wood according to claim 3, which is characterized in that the system of the B liquid
Standby process are as follows: it is in 90 DEG C~100 DEG C water-baths that polyvinyl alcohol is soluble in water, silica, magnesia, three oxidations are then added
One or more of two aluminium, zinc oxide and alumina silicate obtain B liquid.
6. the method for organic impregnation modified artificial forest wood according to claim 1 or 2, which is characterized in that described artificial
Forest timber includes one of China fir, pine, Eucalyptus and poplar or a variety of.
7. the method for organic impregnation modified artificial forest wood according to claim 1 or 2, which is characterized in that described artificial
It is 8%~12% that forest timber, which is first dried to moisture content, then carries out type of respiration circular treatment.
8. the method for organic impregnation modified artificial forest wood according to claim 2, which is characterized in that the step (1)
In, described to be evacuated to -0.085MPa~-0.1MPa, negative pressure pressure maintaining 5min~30min, the positive pressure be 0.3MPa~
1.1MPa, positive pressure pressure maintaining 30min~50min.
9. the method for organic impregnation modified artificial forest wood according to claim 2, which is characterized in that the step (2)
In, described to be evacuated to -0.085MPa~-0.1MPa, negative pressure pressure maintaining 5min~30min, the positive pressure be 0.3MPa~
1.1MPa, positive pressure pressure maintaining 30min~50min.
10. the method for organic impregnation modified artificial forest wood according to claim 2, which is characterized in that the step (3)
In, the number of the circulation is 1 time~12 times；The cured temperature of heating in vacuum is 50 DEG C~80 DEG C, the heating in vacuum
The cured time is 6h~for 24 hours.
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| CN201910934659.7A CN110497493A (en) | 2019-09-29 | 2019-09-29 | The method of organic impregnation modified artificial forest wood |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910934659.7A CN110497493A (en) | 2019-09-29 | 2019-09-29 | The method of organic impregnation modified artificial forest wood |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111002413A (en) * | 2019-12-16 | 2020-04-14 | 清华大学 | Modified wood and preparation method and application thereof |
| CN114770680A (en) * | 2022-04-27 | 2022-07-22 | 东北林业大学 | Safe and environment-friendly novel method for chemically dipping and modifying cedar |
| CN115252507A (en) * | 2022-09-13 | 2022-11-01 | 亳州市芍药堂生物科技有限公司 | Bacteriostatic facial cleanser containing peony flowers |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615684A (en) * | 2012-04-01 | 2012-08-01 | 广东省宜华木业股份有限公司 | Fire retardant treatment process for wood |
| CN109159226A (en) * | 2018-09-13 | 2019-01-08 | 中南林业科技大学 | A kind of method of inorganic coagulation material strengthened artificial forest timber |
-
2019
- 2019-09-29 CN CN201910934659.7A patent/CN110497493A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615684A (en) * | 2012-04-01 | 2012-08-01 | 广东省宜华木业股份有限公司 | Fire retardant treatment process for wood |
| CN109159226A (en) * | 2018-09-13 | 2019-01-08 | 中南林业科技大学 | A kind of method of inorganic coagulation material strengthened artificial forest timber |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111002413A (en) * | 2019-12-16 | 2020-04-14 | 清华大学 | Modified wood and preparation method and application thereof |
| CN114770680A (en) * | 2022-04-27 | 2022-07-22 | 东北林业大学 | Safe and environment-friendly novel method for chemically dipping and modifying cedar |
| CN115252507A (en) * | 2022-09-13 | 2022-11-01 | 亳州市芍药堂生物科技有限公司 | Bacteriostatic facial cleanser containing peony flowers |
| CN115252507B (en) * | 2022-09-13 | 2024-04-19 | 亳州市芍药堂生物科技有限公司 | Antibacterial facial cleanser with peony flowers |
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Application publication date: 20191126 |