KR101866155B1 - Processing method of preservvative treated woods and preservvative treated woods manufactured by the processing method - Google Patents
Processing method of preservvative treated woods and preservvative treated woods manufactured by the processing method Download PDFInfo
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- KR101866155B1 KR101866155B1 KR1020180004273A KR20180004273A KR101866155B1 KR 101866155 B1 KR101866155 B1 KR 101866155B1 KR 1020180004273 A KR1020180004273 A KR 1020180004273A KR 20180004273 A KR20180004273 A KR 20180004273A KR 101866155 B1 KR101866155 B1 KR 101866155B1
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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
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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
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/001—Heating
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/006—Pretreatment of moulding material for increasing resistance to swelling by humidity
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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
- B27K2240/00—Purpose of the treatment
- B27K2240/50—Ageing
Abstract
Description
The present invention relates to a method for processing a shading material and a shading material produced by the method. More particularly, the present invention relates to a method for processing a shading material that provides a shading material exhibiting an excellent preservation effect for a long period of time, And to an anticorrosive material produced by the method.
Recently, the urban population is retreating, and the phenomenon of retirement for rural life is increasing. In addition, the construction of the building with its own original loess or wood as the main material is actively moving away from the general modern residential space built with apartment or concrete It is progressing.
Accordingly, in order to maintain the preservation state of the wood which is widely used as the material of the building, the production of the anticorrosive material having the antiseptic and insecticidal function is also widely used in various places according to the purpose.
Korean Patent Registration No. 10-0986174 entitled " Forced Curing Method of Wood Preservation Treatment Agent by Steam "includes a method of dissolving a preservative in a dissolution tank of a copper amine preservative and transferring the preservative to a preservative curing tank, And the curing is performed by inducing a chemical reaction between the wood tissue and the antiseptic agent component in a short period of time by forcibly treating the wood to thereby curing the curing agent in a short period of time and reducing the curing period compared with the conventional non- Discloses a preservative treatment method.
The patent provides a high temperature of 101 to 115 캜 using steam as a main means of curing, which continuously provides a chemical reaction between the wood tissue and the antiseptic agent component, but the wood is exposed to high temperatures for 45 to 90 minutes There is a fear that the strength of the wood is lowered and the drying process for the wood exposed to the steam is not included, so that the moisture content of the wood preserved through the final stage is maintained at a relatively high level, There was a problem that it was deteriorated.
It is an object of the present invention to provide a method for processing a barrier rib material which provides an excellent barrier material exhibiting an excellent preservation effect for a long period of time and exhibiting excellent dimensional stability and a barrier rib material produced by the method.
The object of the present invention is to provide a method for manufacturing a lumber, which comprises the steps of: a lumber-making step of processing logs into a sawn timber; a step of drying the lumber manufactured through the lumber-making step at a temperature of 70 캜; A cutting step of cutting the sawn timber processed through the processing step to a length of 1 meter, a width of 20 centimeters and a thickness of 5 centimeters; a preservation treatment step of preserving the shredded wood cut through the cutting step; And a curing step of curing the shavings at a temperature of 18 캜 for 3 weeks, wherein the preservation treatment is performed in a state where the moisture remaining in the cells of the shredded tree cut through the cutting step The air was depressurized and removed by a vacuum pump having a pressure of 500 mmHg, and a preservative solution was applied to the surface of the shavings where moisture and air were removed After applying a pressure of 15kg / cm 2 injected into the preservative solution into the lumber cell, under reduced pressure with a vacuum pump illustrating the pressure of 500mmHg the procedure proceeds to a process of removing the vagus mouth a preservative solution, wherein said preservative solution is a copper-alkyl ammonium compound And an ACQ (Alkaline Copper Quaternary).
In addition, the object of the present invention is to provide a method for manufacturing a lumber, which comprises the steps of: lumbering the lumber to be processed into lumber, drying the lumber manufactured through the lumbering step at a temperature of 60 to 80 캜, A cutting step of cutting the sawn timber processed through the processing step, a preservation treatment step of preserving the shredded wood cut through the cutting step, and a sawn timber through which the preservative liquid is injected through the saver treatment step And the curing step for curing for 3 weeks. In the preservation treatment step, the water and air remaining in the cells of the cut lumber cut through the cutting step are decompressed by a vacuum pump showing a pressure of 500 mmHg, and water and air After the preservative liquid was applied to the surface of the removed lumber, a pressure of 15 kg / cm < 2 > was applied to inject the preservative into the cells of the lumber, Hg. The preservative solution is prepared by mixing 100 parts by weight of purified water, 15-25 parts by weight of copper carbonate, 70-80 parts by weight of monoethanolamine, 5 to 15 parts by weight of silyldimethylammonium chloride and 5 to 10 parts by weight of dichloromethyl isothiazolinone can be achieved.
In addition, the object of the present invention is to provide a method for manufacturing a lumber, which comprises the steps of: lumbering the lumber to be processed into lumber, drying the lumber manufactured through the lumbering step at a temperature of 60 to 80 캜, A cutting step of cutting the sawn timber processed through the processing step, a preservation treatment step of preserving the shredded wood cut through the cutting step, and a sawn timber through which the preservative liquid is injected through the saver treatment step Wherein the preservative treatment step is performed in a preservative solution comprising 100 parts by weight of wood vinegar, 90 to 110 parts by weight of copper alkylammonium preservative, 20 to 50 parts by weight of charcoal powder and 10 to 30 parts by weight of purified water, After ultrasonic waves of 2 to 5 MHz are irradiated for 1 to 5 hours, the ultrasonic wave irradiated preservative liquid is cut through the cutting step And irradiating ultrasonic waves of 1 to 2 MHz for 30 to 60 minutes. The present invention also provides a method of processing a masking material.
According to a preferred aspect of the present invention, the preservative solution further contains 5 to 10 parts by weight of an additive comprising diatomaceous earth powder, a pine juice, and basalt powder in an amount of 100 parts by weight of the preservative solution.
Further, the object of the present invention can also be achieved by providing a barrier rib material which is manufactured by using the method of processing the barrier rib material.
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The method for processing a barrier material according to the present invention and the barrier material produced by the method exhibit an excellent effect of providing a barrier material exhibiting an excellent preservation effect for a long period of time and exhibiting excellent dimensional stability.
Also, the method of processing the barrier material according to the present invention and the barrier material produced by the method can double the preservative effect by the diatomite powder or the transferring liquid which can be selectively added, and emit far infrared rays and anions by the basalt powder And the like.
Fig. 1 is a flowchart showing a processing method of a barrier rib material according to the present invention.
2 is a flowchart showing a method of manufacturing and installing a barrier rib material according to the present invention.
Fig. 3 is a test report of a floor covering anti-creasing material manufactured through Example 1 of the present invention.
FIG. 4 is a test report of a barrier material for an outdoor facility manufactured through Example 2 of the present invention. FIG.
FIG. 5 is a photograph of a rectangular parallelepiped-type bottom deck barrier material manufactured through Example 1 of the present invention. FIG.
FIG. 6 is a photograph of a cylinder-type firewood for outdoor facilities manufactured through Example 2 of the present invention. FIG.
Hereinafter, preferred embodiments of the present invention and physical properties of the respective components will be described in detail with reference to the accompanying drawings. However, the present invention is not limited thereto, And this does not mean that the technical idea and scope of the present invention are limited.
A method for processing a barrier material according to the present invention includes a raw wood step S101 of processing a raw wood into a sawn wood, a drying step S103 of drying the sawn wood produced through the raw wood step S101 to a temperature of 60 to 80 캜, (S105) of processing the surface of the dried shaved material through the drying step (S103) into a molding machine, a cutting step (S107) of cutting the processed shaved wood through the working step (S105), a cutting step And a curing step S111 for curing the shredded wood into which the preservative liquid has been injected for three weeks through the preservative treatment step S109.
The step S101 of processing the logs is a step of processing the logs into a sawn timber and removing the logs from the logs and processing them in the longitudinal direction by sawing or resawing.
In this case, in principle, the lumber of 5 inches or less in thickness is called a lumber, and the lumber of 5 inches or more in thickness is called a timber. In the present invention, logs used in North America are used, Use a tree with a diameter of 200mm or more on the thin part.
It is also recommended that logs be made of wood that does not have a knot as much as possible, and should be immediately dismantled if rotten knots are found after processing or processing of the timber.
The drying step (S103) is performed by drying the sawn timber produced through the raw wood making step (S101) at a temperature of 60 to 80 캜 for 120 to 180 minutes.
If the drying temperature is less than 60 ° C. or the drying time is less than 120 minutes in the drying step (S 103), the moisture content of the sawn timber is excessively high, so that the efficiency of the sawn timber treatment in the preservation treatment step (S 109) If the temperature exceeds 80 ° C or the drying time exceeds 180 minutes, the structure of the saw lumber may be destroyed and the strength of the wood may be lowered, or the lumber may be excessively dried, resulting in deformation such as shrinkage or warping.
According to the National Forestry Academy Notice (No. 2009-7, Nov. 17, 2009), "the processed wood should be dried to a water content of 18% or less before preservative treatment and then subjected to pressure type preservation treatment, Etc. should be preserved in accordance with the forest preservation treatment. "
After the drying step (S103), the water content of the shavings manufactured through the wood-making step (S101) satisfies 18% or less as described in the National Forestry Academy Notice.
The machining step (S105) is a step of machining the surface of the dried shaved wood through the drying step (S103) with a molding machine. The surface of the shaved wood surface-processed with the molding machine through the machining step (S105) is smoothly formed.
The cutting step S107 is a step of cutting the processed shaved wood through the machining step S105. The shaved wood subjected to the surface treatment with the molding machine through the machining step S105 is cut in the longitudinal direction or the width direction .
At this time, it is preferable that cutting of the sawn timber in the cutting step (S107) proceeds not only for the purpose of use but also cutting to an appropriate size in consideration of the size of the apparatus used in the preservation treatment step (S109).
The preservation treatment step S109 is a step of preserving the cut lumber through the cutting step S107. The moisture and air remaining in the cells of the lumber cut through the cutting step S107 are pressurized at a pressure of 500 mmHg After the preservative liquid was applied to the surface of the shredded wood on which moisture and air had been removed, a preservative was injected into the cells of the sawn timber under a pressure of 15 kg / cm < 2 > When the samped wood is depressurized by a vacuum pump exhibiting the above-described pressure, the moisture remaining in the sawn timber is less than 18%, the air is removed, and the preservative liquid The penetration efficiency is maximized.
Further, if the unbonded preservative liquid is removed by decompressing with a vacuum pump showing a pressure of 500 mmHg, the surface quality of the embankment treated with preservation is improved.
At this time, the preservative solution is prepared by mixing 100 parts by weight of purified water, 15 to 25 parts by weight of copper carbonate, 70 to 80 parts by weight of monoethanolamine, 5 to 15 parts by weight of didecyldimethylammonium chloride and 5 to 10 parts by weight of dichloromethyl isothiazolinone Or an alkaline copper quaternary (ACQ) compound, which is a copper alkylammonium compound. The preservative solution comprising the above components not only exhibits excellent preservative effect but also exhibits excellent intracellular penetration efficiency of the sawn timber.
Also, the preservative treatment step (S109) may be carried out by adding ultrasonic waves of 2 to 5 MHz to a preservative solution comprising 100 parts by weight of wood vinegar, 90-110 parts by weight of a copper alkylammonium preservative, 20-50 parts by weight of charcoal powder and 10-30 parts by weight of purified water For 1 to 5 hours, impregnating the sawn timber cut through the cutting step (S107) with ultrasound-irradiated preservative, and irradiating 1 to 2 MHz ultrasonic waves for 30 to 60 minutes .
When the ultrasonic waves having the above-mentioned number of waves are irradiated, the vibration waves of the ultrasonic waves are transmitted to the preservative liquid and the wood, respectively, thereby increasing the molecular activity of the preservative liquid and simultaneously oscillating the cell membrane space of the wood. .
First, to allow only the preservative liquid to be exposed to ultrasonic waves before the ultrasonic wave is applied by immersing the lumber in the preservative liquid is intended to prevent a decrease in strength caused by long-term ultrasonic exposure of the lumber, The ultrasonic wave irradiation time may be 1 to 5 hours, and the ultrasonic wave irradiation time may be varied depending on the manufacturing environment or the intended use of the sawn timber to be preserved.
When the shrunk wood is immersed in the preservative solution irradiated with ultrasonic waves as described above and the ultrasonic wave of 1 to 2 MHz is irradiated, the charcoal powder contained in the preservative liquid is adsorbed on the shrub The ratio is improved.
At this time, the preservative solution may further contain 5 to 10 parts by weight of an additive consisting of diatomaceous earth powder, pine juice, and basalt powder to 100 parts by weight of the preservative solution. The additive may be a 1: 1: 1 mixture of diatomaceous earth, 1 by weight.
The diatomite powder is fired, and 0.5 to 1 millimeter size particles or 50 to 100 micrometer size powder are used by sieving or the like. The diatomite powder is a very fine single cell It is a white clay-shaped, lightweight, high absorption rate, and is used as an eco-friendly construction finishing material such as refractory, insulation, and absorbent material. In addition to the above performance, Since it has a porosity of 1000 times or more, the antiseptic, deodorization and humidity controlling ability of the preservative containing diatomite can be improved and the preservative effect can be improved remarkably.
In addition, the above-mentioned pesticidal liquid not only inhibits the contact between oxygen and wood to slow the corrosion rate of wood, but also exhibits excellent preservation performance of the frankincense oil component contained in the pesticidal solution. Therefore, Preservatives have the effect of preventing the corrosion of wood and slowing the rate of corrosion. In addition, the pouring liquid provides shielding and airtight effect as well as providing a function of shutting off the outside air, thereby providing a substantially anticorrosive effect while doubling the preservative effect on the anticorrosive material.
In addition, since the basalt powder exhibits an excellent preservative effect, it not only improves the preservative effect of the preservative, but also has far better emission performance of infrared rays than elvan, and has excellent anion release performance in addition to far infrared rays. The anticorrosive material containing the basalt powder emits far infrared rays and negative ions after the application, and thus exhibits the effect of improving the health of the user using the building or facility built with the anticorrosive material.
When the content of the additive consisting of the above listed components is less than 5 parts by weight, the above effect is insignificant. When the content of the additive exceeds 10 parts by weight, the effect is not greatly improved, The amount of the inorganic substance is excessively improved in the liquid so that the preservative liquid is not properly absorbed into the lumber.
The curing step S111 is a step of curing the shavings which have been injected with the preservative solution through the preservative treatment step S109 for three weeks, and the shavings injected with the preservative liquid through the preservative treatment step S109 are put into the curing machine And curing for 3 weeks at a temperature of 15 to 20 ° C. The curing agent is provided to prevent shape deformation such as galling or warping through the curing process.
In addition, the method for manufacturing and installing a barrier rib according to the present invention includes a frame mounting step (S201) for mounting a frame for wood, a step of mounting a frame to the frame installed through the frame mounting step (S201) And a reinforcing step (S205) of reinforcing the anticorrosion material in the empty space generated after the anticorrosion material is fixed through the anticorrosion material restoring step (S203).
At this time, the fixing means is not particularly limited as long as it can be used for the use of a wooden structure, and any method can be used, but it is preferable to use a method such as bolt and nut coupling or screw coupling.
6 is a perspective view showing a state in which the frame is fixed to the frame in the step S203. In the reinforcing step S205, a rectangular parallelepiped- Ashes are used.
Hereinafter, physical properties of a barrier rib material manufactured through a method of processing a barrier rib material according to the present invention and a method of processing the barrier rib material will be described with reference to examples.
≪ Example 1 >
The surface of the dried shavings is processed into a molding machine, the surface-processed shavings are cut to a length of 1 meter, a width of 20 cm and a thickness of 5 cm, in the cutting lumber to a vacuum pump and preservative into the lumber cells gapap to 500mmHg was added to 15kg / cm 2 of pressure after the application of the preservative liquid (which is ACQ copper alkylammonium compound) on the surface of the lumber moisture and air were removed After the solution was injected, the pressure of the vacuum pump was reduced to 500 mmHg to remove the preserved solution, and the sawn wood into which the preservative solution was injected was put into the curing machine and cured for 3 weeks at a temperature of 18 캜, .
≪ Example 2 >
Proceeding in the same manner as in Example 1, the surface-treated saw lumber was cut into a cylinder having a length of 1 meter and a diameter of 20 centimeters to prepare a barrier material for an outdoor facility.
The test reports submitted to the Korea Institute of Construction & Living Environment Tests for the retention amount and the degree of penetration of the preservative liquid (preservative agent) prepared through Examples 1 and 2 are shown in Figs. 3 to 4 below.
In addition, according to the H3 and H4 grades, the penetration degree conformity criterion, the absorption amount, and the absorbency bonding standard of the ACQ preservative solution are shown in Tables 1 and 2 below.
(However, the retentate retention and infiltration degree of the barrier material for floor deck prepared in Example 1 were measured according to KS F 3026, and the retention amount and infiltration degree of the preservative material for outdoor facility manufactured through Example 2 were measured by KS F 3028 . ≪ / RTI >
<Table 1> Bonding criteria according to grade of H3 and H4
<Table 2> Bonding criteria according to H3 and H4 class
As shown in Tables 1 to 2 and 3 to 4 below, it can be seen that the anticorrosion material produced through Examples 1 and 2 of the present invention has both the preservative amount (absorbed amount) and the degree of penetration exceeding the standard value.
Accordingly, the method for processing a barrier rib material according to the present invention and the method for manufacturing and installing a barrier rib material and a barrier rib material manufactured by the method provide a barrier rib material which not only lasts for a long period of time, but also exhibits excellent dimensional stability .
S101; Raw wood step
S103; Drying step
S105; Processing step
S107; Cutting step
S109; Step of embalming process
S111; Curing step
S201; Steps for installing frames
S203; Defibrillation Rebuild Phase
S205; Reinforcement phase
Claims (3)
A drying step of drying the sawn timber produced through the above-mentioned raw wood material step at a temperature of 70 ° C for 150 minutes;
A processing step of processing the surface of the dried shredded material through the drying step into a molding machine;
A cutting step of cutting the processed lumber through the processing step to a length of 1 meter, a width of 20 centimeters and a thickness of 5 centimeters;
A preservation treatment step of preserving the cut timber through the cutting step; And
And a curing step of putting the sawn timber into which the preservative liquid is injected through the preservation treatment step into a curing machine and curing at a temperature of 18 캜 for 3 weeks,
In the preservation treatment step, moisture and air remaining in the cells of the saw-cut wood cut through the cutting step are reduced by a vacuum pump showing a pressure of 500 mmHg and removed, and the surface of the shavings Thereafter, a preservative solution was injected into the cells of the sawn timber by applying a pressure of 15 kg / cm < 2 >, followed by decompression with a vacuum pump having a pressure of 500 mmHg to remove the non-
The preservative solution was composed of 100 parts by weight of purified water, 20 parts by weight of copper carbonate, 75 parts by weight of monoethanolamine, 10 parts by weight of didecyldimethylammonium chloride and 8 parts by weight of dichloromethyl isothiazolinone,
Wherein the preservative solution further contains 8 parts by weight of an additive in which diatomaceous earth powder, pesticide solution and basalt powder are mixed in a weight ratio of 1: 1: 1 to 100 parts by weight of the preservative solution.
A drying step of drying the sawn timber produced through the above-mentioned raw wood material step at a temperature of 70 ° C for 150 minutes;
A processing step of processing the surface of the dried shredded material through the drying step into a molding machine;
A cutting step of cutting the processed lumber through the processing step to a length of 1 meter, a width of 20 centimeters and a thickness of 5 centimeters;
A preservation treatment step of preserving the cut timber through the cutting step; And
And a curing step of putting the sawn timber into which the preservative liquid is injected through the preservation treatment step into a curing machine and curing at a temperature of 18 캜 for 3 weeks,
In the preservative treatment step, ultrasonic waves of 3 MHz were irradiated to the preservative solution consisting of 100 parts by weight of wood vinegar, 100 parts by weight of copper alkylammonium preservative, 35 parts by weight of charcoal powder and 20 parts by weight of purified water for 3 hours, Solution was impregnated with the saw-cut wood cut through the cutting step and irradiated with 1.5 MHz ultrasonic waves for 45 minutes,
Wherein the preservative solution further contains 8 parts by weight of an additive in which diatomaceous earth powder, pesticide solution and basalt powder are mixed in a weight ratio of 1: 1: 1 to 100 parts by weight of the preservative solution.
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| WO2022050511A1 (en) * | 2020-09-04 | 2022-03-10 | 담양죽순 영농조합법인 | Method for preparing bamboo culm in which cracking and mold growth are inhibited |
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| KR20030074050A (en) | 2002-06-24 | 2003-09-19 | 이명주 | Wooden landscape retaining wall |
| KR100986174B1 (en) | 2008-04-22 | 2010-10-07 | 대한민국 | Process for Forced Fixation of Preservative Treated Woods with Biocide Using Steam |
| KR20130054849A (en) * | 2011-11-17 | 2013-05-27 | 문중묵 | Outdoor flooring using wood and method for manufacturing thereof |
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| WO2022050511A1 (en) * | 2020-09-04 | 2022-03-10 | 담양죽순 영농조합법인 | Method for preparing bamboo culm in which cracking and mold growth are inhibited |
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