CN104786315A - Modification processing process for oil palm trunk and oil palm board - Google Patents
Modification processing process for oil palm trunk and oil palm board Download PDFInfo
- Publication number
- CN104786315A CN104786315A CN201510179987.2A CN201510179987A CN104786315A CN 104786315 A CN104786315 A CN 104786315A CN 201510179987 A CN201510179987 A CN 201510179987A CN 104786315 A CN104786315 A CN 104786315A
- Authority
- CN
- China
- Prior art keywords
- oil palm
- adhesive
- ebon
- trunk
- modification processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
-
- 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
-
- 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
-
- 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
- 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
- B27M1/02—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by compressing
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
- C09J161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09J161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
- C09J161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09J161/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C09J161/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
- C09J161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09J161/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C09J161/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a modification processing process for an oil palm trunk. The modification processing process comprises the following steps: (1) preprocessing the oil palm trunk; (2) placing the preprocessed oil palm trunk into a pressure tank, vacuumizing the pressure tank, introducing an adhesive into the pressure tank, pressurizing the pressure tank into pressure of 7 to 12kg, preserving the pressure for 1 to 5 hours, and discharging the adhesive to obtain a trunk raw material; (3) cutting the trunk raw material into a board; (4) drying the board, wherein the water content of the dried board is 13 to 18 percent; (5) performing hot pressing treatment on the dried board in a press to obtain an oil palm board with a target thickness. Correspondingly, the invention further discloses the oil palm board produced by the modification processing process. According to the modification processing process and the oil palm board, the oil palm trunk can be efficiently processed into a high-strength and high-practicability board with low cost.
Description
Technical field
The present invention relates to the recycling field that oil palm ebon is dry, particularly the modification processing technology done of a kind of oil palm ebon and a kind of oil palm wood plank adopting above-mentioned modification processing technology obtained.
Background technology
Utilization due to the trunk of current oil palm wood is blank substantially, and a large amount of superseded trunks becomes agricultural waste, for wood working industry in the urgent need to turning waste into wealth, becomes high-quality timber by dry for discarded oil palm ebon; Solve the upper a large amount of demand of society;
The reason producing the blank problem of utilization that current oil palm ebon does is that the dry water content of oil palm ebon is many especially, about 70%, any weight is not had after drying, loosely organized, particularly transversary tissue is that the structure of a powdery does not have good bond strength, thus can not be formed one piece can be practical sheet material.
Applicant in this case, for solving the recycling of oil palm wood, once developed a kind of oil palm wood working process, see Chinese patent CN103963125A, comprised the operations such as vacuum moulding, oven dry, hot pressing.But, only adopt common modified urea-formaldehyde glue in described Vacuum Pressure glue process, just solidify when modified urea-formaldehyde glue is penetrated and run into HTHP by pressure after in oil palm wood tissue, reach and make oil palm wood tissue become solid effect.But simple intensity and the density adopting urea-formaldehyde glue can not improve oil palm wood plank significantly, with the needs making it meet high-end market.
Summary of the invention
Technical problem to be solved by this invention is, provides the modification processing technology that a kind of oil palm ebon is dry, can high efficiency, at low cost by sheet material high, practical for drying for oil palm ebon one-tenth intensity.
Technical problem to be solved by this invention is also, provides the oil palm wood plank that a kind of intensity is high, cost is low, practical.
For reaching above-mentioned technique effect, the invention provides the modification processing technology that a kind of oil palm ebon is dry, comprising the following steps successively:
(1) pretreatment is carried out by dry for oil palm ebon;
(2) pressurized tank will be put into through pretreated oil palm ebon is dry, then pressurized tank will be vacuumized, then in pressurized tank, pass into adhesive, the pressure of 7-12kg will be pressurized in pressurized tank and keep 1-5 hour, and finally discharging glue, obtain trunk raw material;
(3) trunk raw material is cut into sheet material;
(4) sheet material is carried out drying process, the water content of dried sheet material is 13 ~ 18%;
(5) dried sheet material is carried out hot-pressing processing in press, obtain the oil palm wood plank of target thickness;
Wherein, every cubic metre of oil palm ebon dry injection 60-80kg adhesive, described adhesive is obtained by mixing primarily of following composition:
Modified adhesive 80-90%
Calcium carbonate 10-20%
Described modified adhesive is one or more in urea-formaldehyde glue, phenol glue or melamine glue.
In one embodiment of the invention, described adhesive is obtained by mixing primarily of following composition:
Modified adhesive 80-90%
Calcium carbonate 8-18%
Mould inhibitor 0.1-2%
Insect-proof agent 0.1-2%.
In one embodiment of the invention, described adhesive is obtained by mixing primarily of following composition:
Modified adhesive 80-90%
Calcium carbonate 8-18%
Mould inhibitor 0.1-2%
Insect-proof agent 0.1-2%
Fire retardant 0.1-5%.
In one embodiment of the invention, described calcium carbonate is 1000-3000 object calcium carbonate powder;
Described modified adhesive is the one in urea-formaldehyde glue, phenol glue or melamine glue.
In one embodiment of the invention, in step (1), the pretreatment that oil palm ebon does comprises:
Select fresh, do as raw material without oil palm ebon that is rotten, the diameter of a cross-section of a tree trunk 1.3 meters above the ground >=30mm;
Above-mentioned raw material are cut into preset length;
By clean for the raw-material bark plane being cut into preset length.
In one embodiment of the invention, described raw material selection oil palm tree is the juggle of 300-500mm near trunk root, the diameter of a cross-section of a tree trunk 1.3 meters above the ground; Described preset length is 2000-3000mm.
In one embodiment of the invention, in step (3), trunk raw material forms the sheet material of preset thickness by sawing or rotary-cut.
In one embodiment of the invention, in step (4), the water content of dried sheet material is 14 ~ 16%.
In one embodiment of the invention, in step (5), described hot-pressing processing is with the pressure of 1100-1300 ton, and the temperature pressurization 2-10 minute of 100-200 DEG C, obtains the timber finished product of target thickness.
Accordingly, the present invention also provides a kind of oil palm wood plank adopting above-mentioned modification processing technology obtained.
Implement the present invention and there is following beneficial effect:
Once, the present invention by dry for oil palm ebon carry out simple pretreatment after directly enter moulding operation, this pretreatment is simply blocks peeling, and this process not only efficiency is high, also can save glue consumption simultaneously, reduce costs;
Two, emphasis of the present invention to solve between oil palm ebon stem organization horizontal intensity and the problem of adhesion, penetrates in each tissue of timber with adhesive, and then HTHP makes it solidify to become the timber of a high-quality.Concrete, the institute that the present invention's wood vacuum pressuring method makes adhesive enter whole timber in a organized way in, then equally process sawing or rotary-cut according to normal timber and be dried to after certain standard through draining, then making it solidify by the form of HTHP; Pressurize owing to have employed whole timber, thus efficiency is higher, cost is lower.Adhesive of the present invention is made up of 80-90% modified adhesive and 10-20% calcium carbonate, both can make the density of timber larger, improve the practicality of oil palm wood plank, but also can ensure that calcium carbonate is filled in the dry conduit of oil palm ebon effectively equably.
Through long term test, existing oil palm ebon is dry, and density is less than 300kg/m3 after the drying, and it is modified that common oil palm ebon xeromenia crosses the present invention, and its density is increased to 570kg/m3, and lateral pull becomes complete solid by loose.Meanwhile, the modified intensity of oil palm ebon xeromenia of the present invention is larger, and failing load reaches more than 650N, and it is a kind of timber being more better than natural timber that longitudinal plank is become by loose type, and MOR reaches more than 24.4n/mm2.
Therefore, the present invention effectively increases density and the intensity of oil palm wood plank, and whole modifying process technique is simple, efficiency is high, cost is low, oil palm wood plank finished product practical, and market value is large.The present invention, by originally needing the discarded dry recycling achieving resource of oil palm ebon, is turned waste into wealth.
Accompanying drawing explanation
Fig. 1 is the flow chart of the modification processing technology that a kind of oil palm ebon of the present invention does.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, the invention provides the modification processing technology that a kind of oil palm ebon is dry, comprise the following steps successively:
S101, pretreatment: carry out pretreatment by dry for oil palm ebon.
Concrete, the pretreatment that described oil palm ebon does comprises:
(1) select fresh, do as raw material without oil palm ebon that is rotten, the diameter of a cross-section of a tree trunk 1.3 meters above the ground >=30mm;
(2) above-mentioned raw material are cut into preset length;
(3) by clean for the raw-material bark plane being cut into preset length.
Wherein, the oil palm ebon selecting the diameter of a cross-section of a tree trunk 1.3 meters above the ground >=30mm does as raw material, can ensure the intensity of oil palm wood plank finished product.If the little dry 30cm of the diameter of a cross-section of a tree trunk 1.3 meters above the ground, so the age of trunk can be little, and its available fiber can lack, and the timber intensity of working it out can be poor.
Better, described raw material selection oil palm tree is the juggle of 300-500mm near trunk root, the diameter of a cross-section of a tree trunk 1.3 meters above the ground, can obtain compared with long, fiber is many, organize closely knit, the oil palm wood raw material that diameter is larger, are conducive to the carrying out of subsequent step, are also conducive to the density and the intensity that improve oil palm wood plank finished product.
Be cut into preset length by dry for oil palm ebon, preset length is preferably 2000-3000mm, meets the requirement of market to sheet material common-use size.Better, preset length is 2500mm.
It should be noted that, this preset length can require according to actual market and adjust, and preset length can also be 200-2000mm, or 3000-10000mm, and its embodiment is not limited to illustrated embodiment of the present invention.
By clean for the raw-material bark plane being cut into preset length, the mode of boundless machine rotary-cut specifically can be adopted to dig skin, digging does not have the bark of black namely to reach bark to dig clean standard.
The present invention by dry for oil palm ebon carry out simple pretreatment after just directly enter moulding operation, this pretreatment is simply blocks peeling, and this process not only efficiency is high, also can save glue consumption simultaneously, reduce costs.
S102, moulding: pressurized tank will be put into through pretreated oil palm ebon is dry, again pressurized tank is vacuumized, then in pressurized tank, pass into adhesive, the pressure of 7-12kg will be pressurized in pressurized tank and keep 1-5 hour, finally discharge glue, obtain trunk raw material.
Wherein, every cubic metre of oil palm ebon dry injection 60-80kg adhesive, described adhesive is obtained by mixing primarily of following composition:
Modified adhesive 80-90%
Calcium carbonate 10-20%.
Adhesive is made up of 80-90% modified adhesive and 10-20% calcium carbonate, and the present invention is pushed down into adhesive in the condition of vacuum pressed, makes all to be filled with calcium carbonate in the conduit of oil palm wood timber, can increase the density of each conduit of oil palm wood effectively equably.Because calcium carbonate is that a kind of barreling obtains very thin stone flour, it is cheap, can compress into the tissue of timber along with adhesive.If add the calcium carbonate being less than 10% in adhesive, then the large weightening finish of glue consumption is little, and effect is undesirable; If add the calcium carbonate being greater than 20% in adhesive, then can increase by the in-house degree-of-difficulty factor that timber compressed into by compression pump.Better, the consumption of modified adhesive is 85-90%, the consumption of calcium carbonate is 10-15%.
The present invention adds life-span and the quality that calcium carbonate can ensure oil palm wood plank, this is because after calcium carbonate mixes with modified adhesive, can ensure that the PH of adhesive is in the scope of 6.5-7.5, maintain the acid-base balance of adhesive, ensure that the performance of this adhesive and oil palm wood is suitable.Such as, according to other encryption material, borax, it can destroy the acid-base balance of adhesive, causes adhesive not glue-bondable.The adhesive adding borax compresses into the tissue of oil palm wood timber, can reduce the life-span of oil palm wood plank, the structure of oil palm wood plank also can be made not too strong.
Preferably, every cubic metre of oil palm ebon is dry injects 65-75kg adhesive, and described modified adhesive is one or more in urea-formaldehyde glue, phenol glue or melamine glue, and described calcium carbonate is 1000-3000 object calcium carbonate powder.The present invention adds 1000-3000 object calcium carbonate powder, and the particle of 1000-3000 object calcium carbonate powder is comparatively thin, in easily evenly press-in oil palm ebon does.
Better, every cubic metre of oil palm ebon dry injection 70kg adhesive, described modified adhesive is the one in urea-formaldehyde glue, phenol glue or melamine glue, described calcium carbonate is 2000 object calcium carbonate powders, 2000 object calcium carbonate powders meet the characteristic of oil palm wood timber most, can evenly be pressed into oil palm ebon dry in.
In a preferred embodiment of the present invention, the present invention can also add mould inhibitor and insect-proof agent in adhesive, to improve mildew-resistant, the insect protected performance of timber, thus improves the practicality of sheet material finished product.Described adhesive is obtained by mixing primarily of following composition:
Modified adhesive 80-90%
Calcium carbonate 8-18%
Mould inhibitor 0.1-2%
Insect-proof agent 0.1-2%.
Described mould inhibitor preferentially selects mildew preventing agent for wood, the mildew preventing agent for wood of high-efficiency environment friendly primarily of compositions such as 2-(Extraction kinetics sulfydryl) benzothiazole, methene bis sulfonate, 3-iodo-2-propynyl formic acid butylamine, eight hydroxyl quinoline beautiful jade copper, triazole class compounds, Bravo, quaternary ammonium salts, as TF80, TF90 and Busan1009, the Busan1030 of Taizhou Ou Lai.0.1-2% mould inhibitor adds in adhesive by the present invention, and mould inhibitor can be made evenly to be pressed in the tissue of oil palm wood, prevents mould from causing timber mouldy.
Described insect-proof agent preferentially selects wood preservation from decay agent, and such as model is the wood preservation from decay agent of MJB-FS.0.1-2% insect-proof agent adds in adhesive by the present invention, insect-proof agent can be made evenly to be pressed in the tissue of oil palm wood, effectively can to kill food materials insect and food bacterium property insect, the active matter of insect-proof agent can Long-Term Sorption in wood cell wall, to timber, there is very strong insect protected, mothproof effect.
In another preferred embodiment of the present invention, the present invention can also add mould inhibitor, insect-proof agent and fire retardant in adhesive, to improve the mildew-resistant of timber, insect protected and fire resistance, thus improves practicality and the security of sheet material finished product.Described adhesive is obtained by mixing primarily of following composition:
Modified adhesive 80-90%
Calcium carbonate 8-18%
Mould inhibitor 0.1-2%
Insect-proof agent 0.1-2%
Fire retardant 0.1-5%.
Described fire retardant can select organic fire-retardant or inorganic combustion inhibitor, such as organic chloride, organic bromide, antimony oxide, magnesium hydroxide, aluminium hydroxide etc.0.1-5% fire retardant adds in adhesive by the present invention, fire retardant can be made evenly to be pressed in the tissue of oil palm wood, play flame retardant effect, improves the security performance of oil palm wood plank.
It should be noted that, the consumption of mould inhibitor, insect-proof agent and fire retardant all can adjust according to actual needs, and the consumption of fire retardant is also decide according to fire-retardant requirement, and its consumption should not be limited to illustrated embodiment of the present invention.
S103, to cut: trunk raw material is cut into sheet material.
Trunk raw material can form the sheet material of preset thickness by sawing or rotary-cut.
S104, drying: sheet material is carried out drying process, the water content of dried sheet material is 13 ~ 18%.
The water content of dried sheet material is preferably 14 ~ 16%.Better, the water content of dried sheet material is 16%.
If the water content of dried sheet material is higher than 18%, so just easy plate bursting; If the water content of dried sheet material is lower than 13%, moisture content stays dry very little, then the cycle president of hot pressing, affects production efficiency.By the water content control of dried sheet material 14 ~ 16%, be conducive to Simplified flowsheet operation.
S105, hot pressing: dried sheet material is carried out hot-pressing processing in press, obtain the oil palm wood plank of target thickness;
Described hot-pressing processing is with the pressure of 1100-1300 ton, and the temperature pressurization 2-10 minute of 100-200 DEG C, obtains the timber finished product of target thickness.
Preferably, described hot-pressing processing is with the pressure of 1200 tons, and the temperature pressurization 5-7 minute of 150 DEG C, obtains the timber finished product of target thickness.
It should be noted that, the step of sanding after step S105, can also be comprised, specifically by the two-sided sanding in oil palm wood plank 150# ~ 220# abrasive band, make plate face bright and clean, level and smooth.
Emphasis of the present invention to solve between oil palm ebon stem organization horizontal intensity and the problem of adhesion, penetrates in each tissue of timber with adhesive, and then HTHP makes it solidify to become the timber of a high-quality.Concrete, the institute that the present invention's wood vacuum pressuring method makes adhesive enter whole timber in a organized way in, then equally process sawing or rotary-cut according to normal timber and be dried to after certain standard through draining, then making it solidify by the form of HTHP; Pressurize owing to have employed whole timber, thus efficiency is higher, cost is lower.
Accordingly, the present invention also provides a kind of oil palm wood plank adopting the modification processing technology of above-mentioned any embodiment obtained.Modification processing technology of the present invention effectively increases density and the intensity of oil palm wood plank, oil palm wood plank finished product practical, and market value is large.
The present invention is set forth further below with specific embodiment
Embodiment 1
Select fresh, do as raw material without oil palm ebon that is rotten, diameter of a cross-section of a tree trunk 1.3 meters above the ground 30mm;
Above-mentioned raw material are cut into preset length 2400mm;
By clean for the raw-material bark plane being cut into preset length;
Pressurized tank will be put into through pretreated oil palm ebon is dry, then pressurized tank will be vacuumized, then in pressurized tank, pass into adhesive, and the pressure being pressurized to 7kg be kept 3 hours, finally discharge glue, obtain trunk raw material in pressurized tank; Wherein, every cubic metre of oil palm ebon dry injection 60kg adhesive, adhesive is made up of 90% urea-formaldehyde glue and 10% calcium carbonate, and calcium carbonate is 1000-3000 object calcium carbonate powder;
Trunk raw material is formed the sheet material of preset thickness by sawing or rotary-cut;
Sheet material is carried out drying process, the water content of dried sheet material is 13%
Hot pressing by dried sheet material in press with the pressure of 1100 tons, the temperature of 100 DEG C is pressurizeed 5 minutes, obtains the timber finished product of target thickness.
Embodiment 2
Select fresh, do as raw material without oil palm ebon that is rotten, diameter of a cross-section of a tree trunk 1.3 meters above the ground 80mm;
Above-mentioned raw material are cut into preset length 2500mm;
By clean for the raw-material bark plane being cut into preset length;
Pressurized tank will be put into through pretreated oil palm ebon is dry, then pressurized tank will be vacuumized, then in pressurized tank, pass into adhesive, and the pressure being pressurized to 8kg be kept 2 hours, finally discharge glue, obtain trunk raw material in pressurized tank; Wherein, every cubic metre of oil palm ebon dry injection 65kg adhesive, adhesive is made up of 85% urea-formaldehyde glue and 15% calcium carbonate, and calcium carbonate is 1500-2500 object calcium carbonate powder;
Trunk raw material is formed the sheet material of preset thickness by sawing or rotary-cut;
Sheet material is carried out drying process, the water content of dried sheet material is 15%
Hot pressing by dried sheet material in press with the pressure of 1200 tons, the temperature of 120 DEG C is pressurizeed 3 minutes, obtains the timber finished product of target thickness.
Embodiment 3
Select fresh, do as raw material without oil palm ebon that is rotten, diameter of a cross-section of a tree trunk 1.3 meters above the ground 200mm;
Above-mentioned raw material are cut into preset length 2500mm;
By clean for the raw-material bark plane being cut into preset length;
Pressurized tank will be put into through pretreated oil palm ebon is dry, then pressurized tank will be vacuumized, then in pressurized tank, pass into adhesive, and the pressure being pressurized to 9kg be kept 3 hours, finally discharge glue, obtain trunk raw material in pressurized tank; Wherein, every cubic metre of oil palm ebon dry injection 70kg adhesive, adhesive is made up of 86.4% urea-formaldehyde glue, 12% calcium carbonate, 0.8% mould inhibitor, 0.8% insect-proof agent, and calcium carbonate is 2000-3000 object calcium carbonate powder;
Trunk raw material is formed the sheet material of preset thickness by sawing or rotary-cut;
Sheet material is carried out drying process, the water content of dried sheet material is 16%
Hot pressing by dried sheet material in press with the pressure of 1250 tons, the temperature of 180 DEG C is pressurizeed 5 minutes, obtains the timber finished product of target thickness.
Embodiment 4
Select fresh, do as raw material without oil palm ebon that is rotten, diameter of a cross-section of a tree trunk 1.3 meters above the ground 300mm;
Above-mentioned raw material are cut into preset length 2800mm;
By clean for the raw-material bark plane being cut into preset length;
Pressurized tank will be put into through pretreated oil palm ebon is dry, then pressurized tank will be vacuumized, then in pressurized tank, pass into adhesive, and the pressure being pressurized to 10kg be kept 4 hours, finally discharge glue, obtain trunk raw material in pressurized tank; Wherein, every cubic metre of oil palm ebon dry injection 75kg adhesive, adhesive is made up of 80% urea-formaldehyde glue, 17% calcium carbonate, 1% mould inhibitor, 1% insect-proof agent, 1% fire retardant, and calcium carbonate is 2000-2500 object calcium carbonate powder;
Trunk raw material is formed the sheet material of preset thickness by sawing or rotary-cut;
Sheet material is carried out drying process, the water content of dried sheet material is 17%
Hot pressing by dried sheet material in press with the pressure of 1300 tons, the temperature of 200 DEG C is pressurizeed 2 minutes, obtains the timber finished product of target thickness;
By the two-sided sanding in timber finished product 150# ~ 220# abrasive band.
Embodiment 5
Select fresh, do as raw material without oil palm ebon that is rotten, diameter of a cross-section of a tree trunk 1.3 meters above the ground 400mm;
Above-mentioned raw material are cut into preset length 2500mm;
By clean for the raw-material bark plane being cut into preset length;
Pressurized tank will be put into through pretreated oil palm ebon is dry, then pressurized tank will be vacuumized, then in pressurized tank, pass into adhesive, and the pressure being pressurized to 11kg be kept 5 hours, finally discharge glue, obtain trunk raw material in pressurized tank; Wherein, every cubic metre of oil palm ebon dry injection 78kg adhesive, adhesive is made up of 85% urea-formaldehyde glue, 10% calcium carbonate, 1.5% mould inhibitor, 1.5% insect-proof agent, 2% fire retardant, and calcium carbonate is 1000-2000 object calcium carbonate powder;
Trunk raw material is formed the sheet material of preset thickness by sawing or rotary-cut;
Sheet material is carried out drying process, the water content of dried sheet material is 14%
Hot pressing by dried sheet material in press with the pressure of 1200 tons, the temperature of 180 DEG C is pressurizeed 8 minutes, obtains the timber finished product of target thickness;
By the two-sided sanding in timber finished product 150# ~ 220# abrasive band.
Embodiment 6
Select fresh, do as raw material without oil palm ebon that is rotten, diameter of a cross-section of a tree trunk 1.3 meters above the ground 500mm;
Above-mentioned raw material are cut into preset length 2500mm;
By clean for the raw-material bark plane being cut into preset length;
Pressurized tank will be put into through pretreated oil palm ebon is dry, then pressurized tank will be vacuumized, then in pressurized tank, pass into adhesive, and the pressure being pressurized to 12kg be kept 1 hour, finally discharge glue, obtain trunk raw material in pressurized tank; Wherein, every cubic metre of oil palm ebon dry injection 80kg adhesive, adhesive is made up of 81% urea-formaldehyde glue, 18% calcium carbonate, 0.3% mould inhibitor, 0.3% insect-proof agent, 0.4% fire retardant, and calcium carbonate is 2000-3000 object calcium carbonate powder;
Trunk raw material is formed the sheet material of preset thickness by sawing or rotary-cut;
Sheet material is carried out drying process, the water content of dried sheet material is 18%
Hot pressing by dried sheet material in press with the pressure of 1300 tons, the temperature of 200 DEG C is pressurizeed 10 minutes, obtains the timber finished product of target thickness;
By the two-sided sanding in timber finished product 150# ~ 220# abrasive band.
Embodiment 1-6 is done technology for detection, result as shown in Table 1:
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Density | 570kg/m3 | 575kg/m3 | 579kg/m3 | 584kg/m3 | 578kg/m3 | 573kg/m3 |
| Failing load | 653N | 657N | 652N | 661N | 669N | 655N |
| MOR | 24.5n/mm2 | 25.1n/mm2 | 24.8n/mm2 | 24.4n/mm2 | 25.9n/mm2 | 24.6n/mm2 |
Existing oil palm ebon is dry, and density is less than 300kg/m3 after the drying, and it is modified that common oil palm ebon xeromenia crosses the present invention, and from upper table one, its density is increased to 570kg/m3, and lateral pull becomes complete solid by loose.Meanwhile, the modified intensity of oil palm ebon xeromenia of the present invention is larger, and failing load reaches more than 650N, and it is a kind of timber being more better than natural timber that longitudinal plank is become by loose type, and MOR reaches more than 24.4n/mm2.
Therefore, the present invention effectively increases density and the intensity of oil palm wood plank, and whole modifying process technique is simple, efficiency is high, cost is low, oil palm wood plank finished product practical, and market value is large.The present invention, by originally needing the discarded dry recycling achieving resource of oil palm ebon, is turned waste into wealth.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. the modification processing technology that oil palm ebon is dry, is characterized in that, comprise the following steps successively:
(1) pretreatment is carried out by dry for oil palm ebon;
(2) pressurized tank will be put into through pretreated oil palm ebon is dry, then pressurized tank will be vacuumized, then in pressurized tank, pass into adhesive, the pressure of 7-12kg will be pressurized in pressurized tank and keep 1-5 hour, and finally discharging glue, obtain trunk raw material;
(3) trunk raw material is cut into sheet material;
(4) sheet material is carried out drying process, the water content of dried sheet material is 13 ~ 18%;
(5) dried sheet material is carried out hot-pressing processing in press, obtain the oil palm wood plank of target thickness;
Wherein, every cubic metre of oil palm ebon dry injection 60-80kg adhesive, described adhesive is obtained by mixing primarily of following composition:
Modified adhesive 80-90%
Calcium carbonate 10-20%
Described modified adhesive is one or more in urea-formaldehyde glue, phenol glue or melamine glue.
2. modification processing technology as claimed in claim 1, it is characterized in that, described adhesive is obtained by mixing primarily of following composition:
Modified adhesive 80-90%
Calcium carbonate 8-18%
Mould inhibitor 0.1-2%
Insect-proof agent 0.1-2%.
3. modification processing technology as claimed in claim 1, it is characterized in that, described adhesive is obtained by mixing primarily of following composition:
Modified adhesive 80-90%
Calcium carbonate 8-18%
Mould inhibitor 0.1-2%
Insect-proof agent 0.1-2%
Fire retardant 0.1-5%.
4. the modification processing technology as described in any one of claim 1-3, is characterized in that, described calcium carbonate is 1000-3000 object calcium carbonate powder;
Described modified adhesive is the one in urea-formaldehyde glue, phenol glue or melamine glue.
5. modification processing technology as claimed in claim 4, is characterized in that, in step (1), the pretreatment that oil palm ebon does comprises:
Select fresh, do as raw material without oil palm ebon that is rotten, the diameter of a cross-section of a tree trunk 1.3 meters above the ground >=30mm;
Above-mentioned raw material are cut into preset length;
By clean for the raw-material bark plane being cut into preset length.
6. modification processing technology as claimed in claim 5, it is characterized in that, described raw material selection oil palm tree is the juggle of 300-500mm near trunk root, the diameter of a cross-section of a tree trunk 1.3 meters above the ground;
Described preset length is 2000-3000mm.
7. modification processing technology as claimed in claim 1, is characterized in that, in step (3), trunk raw material forms the sheet material of preset thickness by sawing or rotary-cut.
8. modification processing technology as claimed in claim 1, it is characterized in that, in step (4), the water content of dried sheet material is 14 ~ 16%.
9. modification processing technology as claimed in claim 1, it is characterized in that, in step (5), described hot-pressing processing is with the pressure of 1100-1300 ton, and the temperature pressurization 2-10 minute of 100-200 DEG C, obtains the timber finished product of target thickness.
10. an oil palm wood plank, is characterized in that, described oil palm wood plank adopts the modification processing technology as described in any one of claim 1-9 to obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510179987.2A CN104786315A (en) | 2014-09-18 | 2015-04-16 | Modification processing process for oil palm trunk and oil palm board |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014104787020 | 2014-09-18 | ||
| CN201410478702.0A CN104369247A (en) | 2014-09-18 | 2014-09-18 | Modification processing process for oil palm wood trunks |
| CN201510179987.2A CN104786315A (en) | 2014-09-18 | 2015-04-16 | Modification processing process for oil palm trunk and oil palm board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104786315A true CN104786315A (en) | 2015-07-22 |
Family
ID=52548569
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410478702.0A Pending CN104369247A (en) | 2014-09-18 | 2014-09-18 | Modification processing process for oil palm wood trunks |
| CN201510179987.2A Pending CN104786315A (en) | 2014-09-18 | 2015-04-16 | Modification processing process for oil palm trunk and oil palm board |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410478702.0A Pending CN104369247A (en) | 2014-09-18 | 2014-09-18 | Modification processing process for oil palm wood trunks |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN104369247A (en) |
| WO (1) | WO2016041221A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078977A (en) * | 2016-06-08 | 2016-11-09 | 王宾 | A kind of Elaeis guineensis Jacq. wood boarded door processing technique |
| CN107030835A (en) * | 2017-06-13 | 2017-08-11 | 芜湖桑健电子科技有限公司 | Processing method after sauna house lath blacking |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108858592A (en) * | 2018-07-03 | 2018-11-23 | 临沂市华源经贸有限公司 | The cycle production process of timber leftover bits and pieces production Europe deals |
| CN109396986A (en) * | 2018-11-09 | 2019-03-01 | 江苏银泰电气科技有限公司 | A kind of high-temperature insulation composite board and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009298132A (en) * | 2008-06-12 | 2009-12-24 | Kono Shinsozai Kaihatsu Kk | Improved lumber and method of manufacturing the same |
| CN102233604A (en) * | 2010-04-28 | 2011-11-09 | 幸世成 | Preparing method of high-hardness wear-resistant solid wood floor |
| CN102672771A (en) * | 2012-05-31 | 2012-09-19 | 浙江林碳木业科技有限公司 | Single-side surface layer densification processing method and product for wood |
| CN103963125A (en) * | 2014-05-14 | 2014-08-06 | 佛山市高明盈星木业有限公司 | Oil palm wood working process |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066595A (en) * | 2007-05-29 | 2007-11-07 | 江荣禄 | Process of producing composite bamboo-wood floorboard |
| CN100548603C (en) * | 2007-08-01 | 2009-10-14 | 李茂林 | The manufacture method of high-strength anti-corrosion integrated material |
-
2014
- 2014-09-18 CN CN201410478702.0A patent/CN104369247A/en active Pending
- 2014-10-10 WO PCT/CN2014/088290 patent/WO2016041221A1/en active Application Filing
-
2015
- 2015-04-16 CN CN201510179987.2A patent/CN104786315A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009298132A (en) * | 2008-06-12 | 2009-12-24 | Kono Shinsozai Kaihatsu Kk | Improved lumber and method of manufacturing the same |
| CN102233604A (en) * | 2010-04-28 | 2011-11-09 | 幸世成 | Preparing method of high-hardness wear-resistant solid wood floor |
| CN102672771A (en) * | 2012-05-31 | 2012-09-19 | 浙江林碳木业科技有限公司 | Single-side surface layer densification processing method and product for wood |
| CN103963125A (en) * | 2014-05-14 | 2014-08-06 | 佛山市高明盈星木业有限公司 | Oil palm wood working process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078977A (en) * | 2016-06-08 | 2016-11-09 | 王宾 | A kind of Elaeis guineensis Jacq. wood boarded door processing technique |
| CN107030835A (en) * | 2017-06-13 | 2017-08-11 | 芜湖桑健电子科技有限公司 | Processing method after sauna house lath blacking |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016041221A1 (en) | 2016-03-24 |
| CN104369247A (en) | 2015-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104786315A (en) | Modification processing process for oil palm trunk and oil palm board | |
| CN108032405B (en) | A kind of glueless bamboo particieboard and preparation method thereof | |
| WO2020258682A1 (en) | Formaldehyde-free medium and high-density board supporting deep overcoating and manufacturing method thereof | |
| CN106079007B (en) | A kind of processing method using Solid Door of the sassafras manufacture with anaglyph | |
| CN101579879A (en) | High-performance wood restructuring laminated wood and manufacturing method thereof | |
| CN100575022C (en) | Bamboo matter medium density fibre board (MDF) | |
| CN106313267A (en) | Straw recombination laminated wood and preparation method thereof | |
| CN102528893A (en) | Method for preparing environment-friendly bamboo recombinant material | |
| CN105058540A (en) | Production method for whole bamboo or bamboo-wood composite veneer and floor laminated board | |
| CN104526811A (en) | Modification method of plant straws | |
| CN104858953A (en) | Plantation wood modification processing method | |
| CN102581891A (en) | Method for manufacturing bottom plates of bamboo-wood composite containers | |
| CN100575021C (en) | The wooden medium density fibre board (MDF) of bamboo | |
| CN107090143A (en) | A kind of anti-corrosion plant fiber composite plate | |
| CN103963125A (en) | Oil palm wood working process | |
| JP2024506773A (en) | Mycelium fiberboard and its manufacturing method | |
| KR102109459B1 (en) | Manufacturing method of the eco-friendly processing lumber having high-strength for preventing warping and bending and the eco-friendly processing lumber having high-strength for preventing warping and bending manufactured by the same | |
| CN104960066B (en) | A kind of grass tree structural slab and its production technology | |
| JP2015131474A (en) | Woody laminate plate and woody compaction laminate plate | |
| CN109294263A (en) | A kind of production method of straw fiber board | |
| CN202378127U (en) | Plant stem artificial wood | |
| CN201989206U (en) | Unequal-thickness bamboo chip integrated board | |
| CN105538428B (en) | A kind of method that wood composite board is produced using camphor tree residue | |
| CN102672789A (en) | Durable wood-bamboo cellulose composite material | |
| CN108058248B (en) | The method that ultra micro activates eucalyptus barks production wood-based plate biomass filler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150722 |
|
| RJ01 | Rejection of invention patent application after publication |