CN110576481A - Novel bamboo-wood restructuring structure processing technology - Google Patents
Novel bamboo-wood restructuring structure processing technology Download PDFInfo
- Publication number
- CN110576481A CN110576481A CN201910955664.6A CN201910955664A CN110576481A CN 110576481 A CN110576481 A CN 110576481A CN 201910955664 A CN201910955664 A CN 201910955664A CN 110576481 A CN110576481 A CN 110576481A
- Authority
- CN
- China
- Prior art keywords
- bamboo
- wood
- fast
- bundles
- recombined
- 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
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
-
- 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
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/0085—Thermal treatments, i.e. involving chemical modification of wood at temperatures well over 100°C
-
- 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
- B27M1/06—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by burning or charring, e.g. cutting with hot wire
-
- 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
-
- 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
-
- 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
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
-
- 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
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
-
- 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
- B27K2200/00—Wooden materials to be treated
- B27K2200/15—Pretreated particles or fibres
-
- 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
- B27K2240/15—Decontamination of previously treated wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/20—Removing fungi, molds or insects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/60—Improving the heat-storage capacity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/70—Hydrophobation treatment
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a novel bamboo and wood restructuring structure processing technology, which comprises the following steps: preparing raw materials to obtain bamboo bundles and fast-growing wood veneers; soaking the bamboo bundles by using 5% caustic soda solution; carbonizing and drying the fast growing wood veneer and the bamboo bundle; dipping the bamboo bundles by using a melamine modified phenolic resin adhesive; carrying out secondary drying on the bamboo bundles; carrying out hot press molding on the bamboo bundles to obtain bamboo boards; gluing the bamboo board and the fast-growing wood veneer; placing the bamboo boards and the fast growing wood veneers in a room for aging; assembling the bamboo board and the fast-growing wood veneer into a board blank; carrying out hot press molding on the plate blank in a hot press cold-out mode to obtain the bamboo-wood recombined plate; and carrying out surface treatment on the bamboo and wood recombined plate. The bamboo-wood recombined plate produced by the processing technology greatly improves the waterproofness and the structural stability of the bamboo-wood recombined plate.
Description
Technical Field
The invention relates to the technical field of bamboo and wood recombination, in particular to a novel processing technology of a bamboo and wood recombination structure.
Background
The bamboo resources of China are very rich, the bamboo forest is famous in the second forest of China, the area of the bamboo forest is the first in the world, and the bamboo wood has excellent mechanical properties such as good rigidity and high strength. The fast growing wood is a tree variety with fast growth, early lumber production and short felling period, is called fast growing wood, is common in China as poplar, eucalyptus, pine, willow and the like, is light in color, easy to prepare into various coating colors, small in deformation, easy to dry, light in weight, good in dimensional stability, small in shrinkage, good in sound absorption effect, good in elasticity and easy to process, and is easy to prepare. The natural forest protection plan causes that the timber resources which can be harvested in China are less and less, so that the efficient utilization of bamboo and fast growing wood becomes one of effective ways for improving the situation of timber resource shortage.
Most of the existing bamboo-wood recombination plates have poor waterproof performance, and are easy to bubble or delaminate due to unstable structure.
Disclosure of Invention
In view of the defects in the prior art, the technical problem to be solved by the invention is to provide a novel bamboo-wood restructuring structure processing technology, aiming at solving the problems that the existing bamboo-wood restructuring plate has poor waterproof performance and is easy to bubble or layer due to unstable structure; improve the waterproof nature and the structural stability of bamboo wood reorganization board.
In order to achieve the purpose, the invention provides a novel bamboo-wood restructuring structure processing technology which is characterized by comprising the following steps:
Step S1, raw material preparation: slicing bamboo materials to prepare bamboo strips, rolling the bamboo strips by using rolling equipment, and then defibering by using a defibering machine to prepare bamboo bundles; processing the fast growing wood by rotary cutting, saw cutting, slicing and the like to prepare a fast growing wood veneer;
Step S2, soaking the bamboo bundles by using 5% caustic soda solution for 24 hours;
step S3, carbonizing and drying the fast growing wood veneer and the bamboo bundles after soaking;
Step S4, performing gum dipping treatment on the bamboo bundles after carbonization and drying treatment by using a melamine modified phenolic resin adhesive; diluting the solid content of the melamine modified phenolic resin adhesive to about 15%, wherein the gum dipping time is 15-20 min;
step S5, performing secondary drying treatment on the bamboo bundles subjected to gum dipping;
Step S6, carrying out hot press molding on the bamboo bundle subjected to the secondary drying treatment to prepare a bamboo board, wherein the hot press temperature is kept at about 150 ℃, the hot press pressure is kept at 5MPa, and the hot press time is 8 min;
Step S7, gluing the bamboo board and the fast-growing wood veneer, wherein the gluing amount is 300g/m2；
s8, placing the bamboo boards and the fast-growing wood veneers which are glued with the glue indoors for aging for 2 h;
Step S9, assembling the aged bamboo boards and the fast-growing wood veneers into blanks according to alternate stacking to form board blanks;
s10, performing hot-press molding on the slab by adopting a hot-press cold-out mode to manufacture the bamboo-wood recombined slab; and (3) keeping the hot pressing temperature at about 140 ℃, keeping the hot pressing time at 20min, keeping the hot pressing pressure at 1.2MPa, controlling the thickness of the bamboo and wood recombined plate to be 10-12 mm by adopting a thickness gauge, introducing cooling water after the bamboo and wood recombined plate is hot pressed for a specified time, and unloading the plate when the temperature of the bamboo and wood recombined plate is reduced to 70 ℃.
Step S11, surface treatment: soaking the prepared bamboo-wood recombined plate in tung oil in a first closed pressurized containing cavity for 3-5 min, taking out and drying; the lower part of the first closed pressurizing and accommodating cavity is a tung oil layer, the lower part of the first closed pressurizing and accommodating cavity is a nitrogen layer, and high-pressure nitrogen is filled from the upper part of the first closed pressurizing and accommodating cavity during pressurizing, so that the air pressure of the nitrogen layer is maintained to be 0.3-1 Mpa.
In the technical scheme, the bamboo bundles are soaked by using 5% caustic soda solution, so that part of hemicellulose is removed by-OH reaction of alkali solution, fiber bundles are decomposed and refined, the arrangement is tighter, and the breaking strength of the bamboo bundles is increased; the bamboo bundles are carbonized, so that the number of hydroxyl groups of the bamboo bundles is reduced, the moisture absorption performance is reduced, and the waterproof performance is improved; the bamboo board and the fast-growing wood veneer which are coated with the glue are placed in a room for aging treatment, so that the moisture in the glue solution is infiltrated into the bamboo board and the fast-growing wood veneer, the concentration of the glue layer is increased, and the glue solution is reduced to be pressed into the veneer when hot pressing, so that the gluing strength is prevented from being influenced by the glue shortage on the surface of the formed veneer; the plate blank is molded in a hot-pressing and cold-discharging mode, so that bubbling or layering of the bamboo-wood reconstituted plate can be effectively avoided; the bamboo and wood recombined plate is soaked in tung oil, so that the heat resistance, the corrosion resistance and the waterproofness of the bamboo and wood recombined plate are improved. And, because there is tiny clearance on bamboo wood reorganization board surface and inside, the difficult infiltration of tung oil to these regions under the ordinary pressure causes waterproof anti-rotten relatively poor, so, hold the chamber through pressurizeing first airtight pressurization in this technical scheme, atmospheric pressure is hydraulic pressure through the tung oil conversion, strengthens tung oil hydraulic pressure for tung oil can effectively infiltrate to the bamboo wood reorganization board in the space, improves heat resistance, corrosion resistance and waterproof nature.
further, the step S3 specifically includes:
step S3A, carbonization: respectively placing the bamboo bundles and the fast-growing wood veneers in a carbonization tank, introducing high-pressure saturated steam, controlling the temperature in the tank to be about 180 ℃ and the pressure to be about 0.3MPa, and keeping for 2 hours;
step S3B, drying: and drying the fast growing wood veneer and the bamboo bundle which are subjected to carbonization treatment at the drying temperature of 55-65 ℃.
Further, the moisture content of the bamboo bundles and the fast-growing wood veneers which are dried for the first time in the step S3B is 6-8%.
further, the moisture content of the bamboo bundles and the fast-growing wood veneers which are dried for the second time in the step S5 is 11-13%.
Further, the upper and lower surfaces of the board blank completed by the step S9 are the bamboo boards.
the invention has the beneficial effects that: in the invention, 1) the bamboo bundles are soaked by adopting 5% caustic soda solution, so that part of hemicellulose is removed by-OH reaction of alkali solution, fiber bundles are decomposed and refined, the arrangement is tighter, and the breaking strength of the bamboo bundles is increased; 2) the bamboo bundles are carbonized, so that the number of hydroxyl groups of the bamboo bundles is reduced, the moisture absorption performance is reduced, and the waterproof performance is improved; 3) the bamboo board and the fast-growing wood veneer which are coated with the glue are placed in a room for aging treatment, so that the moisture in the glue solution is infiltrated into the bamboo board and the fast-growing wood veneer, the concentration of the glue layer is increased, and when hot pressing is carried out, the glue solution blank is reduced to be pressed into the veneer, so that the gluing strength is prevented from being influenced by the glue shortage on the surface of the formed veneer; 4) the plate blank is formed in a hot-pressing and cold-discharging mode, so that bubbling or layering of the bamboo-wood reconstituted plate can be effectively avoided; 5) and the bamboo-wood recombined plate is soaked in tung oil, so that the heat resistance, the corrosion resistance and the waterproofness of the bamboo-wood recombined plate are improved. The bamboo-wood recombined plate produced by the processing technology greatly improves the waterproofness and the structural stability of the bamboo-wood recombined plate. The cavity is contained through pressurizing first airtight pressurization, and reinforcing tung oil hydraulic pressure for tung oil can effectively soak to the space of bamboo wood recombination board, improves heat resistance, corrosion resistance and waterproof nature.
drawings
fig. 1 is a block diagram of a processing process of a novel bamboo-wood restructured structure in a specific embodiment of the present invention.
Detailed Description
the invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1, a block diagram of a processing process of a novel bamboo-wood restructured structure in a specific embodiment of the present invention is shown, and the process includes the following steps:
step S1, raw material preparation: slicing bamboo materials to prepare bamboo strips, rolling the bamboo strips by using rolling equipment, and then defibering by using a defibering machine to prepare bamboo bundles; processing the fast growing wood by rotary cutting, saw cutting, slicing and the like to prepare a fast growing wood veneer;
step S2, soaking the bamboo bundles by using 5% caustic soda solution for 24 hours;
step S3, carbonizing and drying the fast growing wood veneer and the bamboo bundles after soaking;
Step S4, performing gum dipping treatment on the bamboo bundles after carbonization and drying treatment by using a melamine modified phenolic resin adhesive; diluting the solid content of the melamine modified phenolic resin adhesive to about 15%, wherein the gum dipping time is 15-20 min;
step S5, performing secondary drying treatment on the bamboo bundles subjected to gum dipping;
step S6, carrying out hot press molding on the bamboo bundle subjected to the secondary drying treatment to prepare a bamboo board, wherein the hot press temperature is kept at about 150 ℃, the hot press pressure is kept at 5MPa, and the hot press time is 8 min;
Step S7, gluing the bamboo board and the fast-growing wood veneer, wherein the gluing amount is 300g/m2；
S8, placing the bamboo boards and the fast-growing wood veneers which are glued with the glue indoors for aging for 2 h;
step S9, assembling the aged bamboo boards and the fast-growing wood veneers into blanks according to alternate stacking to form board blanks;
s10, performing hot-press molding on the slab by adopting a hot-press cold-out mode to manufacture the bamboo-wood recombined slab; and (3) keeping the hot pressing temperature at about 140 ℃, keeping the hot pressing time at 20min, keeping the hot pressing pressure at 1.2MPa, controlling the thickness of the bamboo and wood recombined plate to be 10-12 mm by adopting a thickness gauge, introducing cooling water after the bamboo and wood recombined plate is hot pressed for a specified time, and unloading the plate when the temperature of the bamboo and wood recombined plate is reduced to 70 ℃.
Step S11, surface treatment: soaking the prepared bamboo-wood recombined plate in tung oil in a first closed pressurized containing cavity for 3-5 min, taking out and drying; the lower part of the first closed pressurizing and accommodating cavity is a tung oil layer, the lower part of the first closed pressurizing and accommodating cavity is a nitrogen layer, and high-pressure nitrogen is filled from the upper part of the first closed pressurizing and accommodating cavity during pressurizing, so that the air pressure of the nitrogen layer is maintained to be 0.3-1 Mpa.
Specifically, step S3 specifically includes:
Step S3A, carbonization: respectively placing the bamboo bundles and the fast-growing wood veneers in a carbonization tank, introducing high-pressure saturated steam, controlling the temperature in the tank to be about 180 ℃ and the pressure to be about 0.3MPa, and keeping for 2 hours;
step S3B, drying: and drying the fast growing wood veneer and the bamboo bundle which are subjected to carbonization treatment at the drying temperature of 55-65 ℃.
Specifically, the moisture content of the bamboo bundles and the fast-growing wood veneers which are dried for the first time in the step S3B should be 6% -8%.
specifically, the moisture content of the bamboo bundle and the fast-growing wood veneer which are dried for the second time in the step S5 should be 11% to 13%.
specifically, the upper and lower surfaces of the board blank completed by the step S9 set of blanks are the bamboo boards.
specific embodiments of the present invention have been described above in detail. It is to be understood that the specific embodiments of the present invention are not exclusive and that modifications and variations may be made by one of ordinary skill in the art in light of the spirit of the present invention, within the scope of the appended claims. Therefore, technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the embodiments of the present invention should be within the scope of protection defined by the claims.
Claims (5)
1. The novel bamboo-wood restructuring structure processing technology is characterized by comprising the following steps:
step S1, raw material preparation: slicing bamboo materials to prepare bamboo strips, rolling the bamboo strips by using rolling equipment, and then defibering by using a defibering machine to prepare bamboo bundles; processing the fast growing wood by rotary cutting, saw cutting, slicing and the like to prepare a fast growing wood veneer;
step S2, soaking the bamboo bundles by using 5% caustic soda solution for 24 hours;
step S3, carbonizing and drying the fast growing wood veneer and the bamboo bundles after soaking;
step S4, performing gum dipping treatment on the bamboo bundles after carbonization and drying treatment by using a melamine modified phenolic resin adhesive; diluting the solid content of the melamine modified phenolic resin adhesive to about 15%, wherein the gum dipping time is 15-20 min;
Step S5, performing secondary drying treatment on the bamboo bundles subjected to gum dipping;
step S6, carrying out hot press molding on the bamboo bundle subjected to the secondary drying treatment to prepare a bamboo board, wherein the hot press temperature is kept at about 150 ℃, the hot press pressure is kept at 5MPa, and the hot press time is 8 min;
step S7, gluing the bamboo board and the fast-growing wood veneer, wherein the gluing amount is 300g/m2；
S8, placing the bamboo boards and the fast-growing wood veneers which are glued with the glue indoors for aging for 2 h;
Step S9, assembling the aged bamboo boards and the fast-growing wood veneers into blanks according to alternate stacking to form board blanks;
S10, performing hot-press molding on the slab by adopting a hot-press cold-out mode to manufacture the bamboo-wood recombined slab; and (3) keeping the hot pressing temperature at about 140 ℃, keeping the hot pressing time at 20min, keeping the hot pressing pressure at 1.2MPa, controlling the thickness of the bamboo and wood recombined plate to be 10-12 mm by adopting a thickness gauge, introducing cooling water after the bamboo and wood recombined plate is hot pressed for a specified time, and unloading the plate when the temperature of the bamboo and wood recombined plate is reduced to 70 ℃.
Step S11, surface treatment: soaking the prepared bamboo-wood recombined plate in tung oil in a first closed pressurized containing cavity for 3-5 min, taking out and drying; the lower part of the first closed pressurizing and accommodating cavity is a tung oil layer, the lower part of the first closed pressurizing and accommodating cavity is a nitrogen layer, and high-pressure nitrogen is filled from the upper part of the first closed pressurizing and accommodating cavity during pressurizing, so that the air pressure of the nitrogen layer is maintained to be 0.3-1 Mpa.
2. the processing technology of the novel bamboo-wood restructured structure according to claim 1, wherein the step S3 specifically includes:
Step S3A, carbonization: respectively placing the bamboo bundles and the fast-growing wood veneers in a carbonization tank, introducing high-pressure saturated steam, controlling the temperature in the tank to be about 180 ℃ and the pressure to be about 0.3MPa, and keeping for 2 hours;
step S3B, drying: and drying the fast growing wood veneer and the bamboo bundle which are subjected to carbonization treatment at the drying temperature of 55-65 ℃.
3. The processing technology of a novel bamboo and wood recombined structure as claimed in claim 2, wherein the moisture content of the bamboo bundles and the fast-growing wood veneers which are dried for the first time in the step S3B is 6-8%.
4. the processing technology of a novel bamboo and wood recombined structure as claimed in claim 1, wherein the moisture content of the bamboo bundles and the fast-growing wood veneers which are dried for the second time in the step S5 is 11-13%.
5. The processing technology of a novel bamboo and wood restructured structure according to claim 1, wherein the upper and lower surfaces of the board blank finished by the set of blanks of step S9 are the bamboo boards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910955664.6A CN110576481A (en) | 2019-10-09 | 2019-10-09 | Novel bamboo-wood restructuring structure processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910955664.6A CN110576481A (en) | 2019-10-09 | 2019-10-09 | Novel bamboo-wood restructuring structure processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110576481A true CN110576481A (en) | 2019-12-17 |
Family
ID=68814338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910955664.6A Pending CN110576481A (en) | 2019-10-09 | 2019-10-09 | Novel bamboo-wood restructuring structure processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110576481A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360959A (en) * | 2020-04-29 | 2020-07-03 | 连城县竹匠新材料有限公司 | Manufacturing process of bamboo board with composite structure |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101264614A (en) * | 2007-03-15 | 2008-09-17 | 湖北康欣木制品有限公司 | Wood veneer for container bottom board and producing method thereof |
| CN202097789U (en) * | 2011-01-14 | 2012-01-04 | 中国林业科学研究院木材工业研究所 | Small-diameter bamboo gluing formwork |
| CN102528892A (en) * | 2012-02-22 | 2012-07-04 | 中南林业科技大学 | Method for manufacturing bamboo redwood |
| KR20140045850A (en) * | 2012-10-09 | 2014-04-17 | 백종길 | Manufacturing method for decorative panel with 3-dimensional pattern on a surface of it |
| CN105196368A (en) * | 2015-08-28 | 2015-12-30 | 国家林业局竹子研究开发中心 | Manufacturing method of bamboo-wood composite laminated timber |
| CN107053376A (en) * | 2017-06-08 | 2017-08-18 | 福建农林大学 | A kind of manufacture method of bamboo matter yacht side of a ship plate material |
| CN108274555A (en) * | 2018-02-08 | 2018-07-13 | 福建和其祖林业科技有限公司 | The preparation method of modified phenolic resin adhesive and its preparation method and application, bamboo-wood plyboard |
| CN108608525A (en) * | 2018-05-21 | 2018-10-02 | 韩立根 | A kind of laminated bamboo-wood composite lumber manufacturing method |
| CN109366653A (en) * | 2018-12-11 | 2019-02-22 | 国际竹藤中心 | A kind of processing method that bamboo wood long-acting mould-proof is wear-resisting |
| CN110027057A (en) * | 2019-05-08 | 2019-07-19 | 浙江可信竹木有限公司 | A kind of high-density bamboo wood reconstituted material composite plate and its production technology |
-
2019
- 2019-10-09 CN CN201910955664.6A patent/CN110576481A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101264614A (en) * | 2007-03-15 | 2008-09-17 | 湖北康欣木制品有限公司 | Wood veneer for container bottom board and producing method thereof |
| CN202097789U (en) * | 2011-01-14 | 2012-01-04 | 中国林业科学研究院木材工业研究所 | Small-diameter bamboo gluing formwork |
| CN102528892A (en) * | 2012-02-22 | 2012-07-04 | 中南林业科技大学 | Method for manufacturing bamboo redwood |
| KR20140045850A (en) * | 2012-10-09 | 2014-04-17 | 백종길 | Manufacturing method for decorative panel with 3-dimensional pattern on a surface of it |
| CN105196368A (en) * | 2015-08-28 | 2015-12-30 | 国家林业局竹子研究开发中心 | Manufacturing method of bamboo-wood composite laminated timber |
| CN107053376A (en) * | 2017-06-08 | 2017-08-18 | 福建农林大学 | A kind of manufacture method of bamboo matter yacht side of a ship plate material |
| CN108274555A (en) * | 2018-02-08 | 2018-07-13 | 福建和其祖林业科技有限公司 | The preparation method of modified phenolic resin adhesive and its preparation method and application, bamboo-wood plyboard |
| CN108608525A (en) * | 2018-05-21 | 2018-10-02 | 韩立根 | A kind of laminated bamboo-wood composite lumber manufacturing method |
| CN109366653A (en) * | 2018-12-11 | 2019-02-22 | 国际竹藤中心 | A kind of processing method that bamboo wood long-acting mould-proof is wear-resisting |
| CN110027057A (en) * | 2019-05-08 | 2019-07-19 | 浙江可信竹木有限公司 | A kind of high-density bamboo wood reconstituted material composite plate and its production technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360959A (en) * | 2020-04-29 | 2020-07-03 | 连城县竹匠新材料有限公司 | Manufacturing process of bamboo board with composite structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100588518C (en) | Method for producing recombination module wood from secondary processing wood | |
| CN101486212B (en) | Method for producing compressed charing poplar three-layer wood composite flooring | |
| JP5775825B2 (en) | Surface-reinforced natural wood mold material and method for producing the same | |
| CN101357470B (en) | Recombination wood and manufacturing method thereof | |
| CN101181789B (en) | Wood-plastic profiles and manufacturing method therefor | |
| CN112643814B (en) | Recombined veneer glued without glue and preparation method thereof | |
| CN109591122B (en) | Method for vacuum compression and densification of wood material | |
| CN102922583B (en) | Compressed flame retardant section bar | |
| CN102554992B (en) | Surface enhanced type wood section bar and manufacturing method thereof | |
| CN110497484B (en) | High-strength weather-resistant bamboo composite material and manufacturing method thereof | |
| CN108340461B (en) | Novel restructuring wood manufacturing method | |
| CN110576481A (en) | Novel bamboo-wood restructuring structure processing technology | |
| CN101279461A (en) | Method for producing module timber using small firewood material | |
| CN102179851A (en) | Method for manufacturing fast-growing poplar technical wood sawn timber at low temperature | |
| CN113290657A (en) | Plywood processing technology | |
| CN1644336A (en) | Soft material single-board materials and wooden products with surface hardness improve | |
| CN111805646A (en) | Pine recombination wood manufacturing process | |
| CN108608525A (en) | A kind of laminated bamboo-wood composite lumber manufacturing method | |
| CN1294000C (en) | Plywood plate in use for floorboard in container and production method | |
| CN211868108U (en) | Complexing laminated wood | |
| CN101774196A (en) | Process method for manufacturing hard wood by high-frequency warming and solidifying | |
| CN2597180Y (en) | Wood bamboo composite floor | |
| CN110605768A (en) | Manufacturing process of natural oak-imitated recombined decorative veneer | |
| CN110625705A (en) | Bamboo-wood composite container bottom plate and manufacturing method thereof | |
| CN213174622U (en) | Multilayer composite floor with reliable structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |