CN113146781A - Modification method for improving stability of wood - Google Patents
Modification method for improving stability of wood Download PDFInfo
- Publication number
- CN113146781A CN113146781A CN202110258682.6A CN202110258682A CN113146781A CN 113146781 A CN113146781 A CN 113146781A CN 202110258682 A CN202110258682 A CN 202110258682A CN 113146781 A CN113146781 A CN 113146781A
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- Prior art keywords
- wood
- strip
- modification method
- timber
- shaped
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Classifications
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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
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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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
- B27K3/12—Impregnating by coating the surface of the wood with an impregnating paste
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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
- B27K5/04—Combined bleaching or impregnating and drying of wood
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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
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/0013—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles
- B27M3/0086—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by connecting using glue
Abstract
The invention discloses a modification method for improving wood stability, which comprises the following steps: wood working, wood impregnation, wood drying, assembly board, the timber is level and smooth, the timber is applied with paint, this kind of modification method who promotes timber stability is through vacuum pressurization method with the steeping liquor impregnated in the timber, and dry, make it condense into the insoluble substance in timber inside, and fill in fibril clearance and line hole, make fibril clearance fully swell and obstruct moisture to get into timber, the rethread is applied with paint amino resin, further strengthen the performance of timber, make timber internal stress little, mechanical properties increases, the material structure is even, the surface is bright and clean, then promote timber's stability, in addition through the bar groove of seting up, enlarge the area that timber and steeping liquor contacted, thereby promote the efficiency of flooding.
Description
Technical Field
The invention relates to the technical field of wood treatment, in particular to a modification method for improving wood stability.
Background
Wood is a lignified tissue formed by secondary growth of fabrics such as trees and shrubs, and after primary growth of these plants is finished, the vascular formation layer in the rhizome starts to move, and the bast develops outwards, and the wood develops inwards, and the wood has a great supporting effect for human life, and according to different property characteristics of the wood, people use the wood in different ways;
however, in the application process of the wood, abnormal conditions such as cracking, deformation and the like are easily generated in the processing process or the transportation process and the use process, so that the stability of the wood is low, and the wood is not easy to use.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a modification method for improving the stability of wood, the modification method for improving the stability of wood is characterized in that impregnation liquid is impregnated into wood by a vacuum pressurization method, and is dried, so that insoluble substances are condensed in the wood and filled in fibril gaps and pores, the fibril gaps are fully expanded and water is prevented from entering the wood, and then the performance of the wood is further enhanced by coating amino resin paint, so that the internal stress of the wood is small, the mechanical property is improved, the material structure is uniform, the surface is smooth, and the stability of the wood is further improved.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: a modification method for improving wood stability comprises the following steps:
the method comprises the following steps: wood processing
Preparing wood to be processed, then, arranging a plurality of groups of strip-shaped grooves on the wood with the wood horizontally placed on a desktop as a standard, uniformly distributing the plurality of groups of strip-shaped grooves on the upper side and the lower side of the wood, and then preparing a plurality of groups of strip-shaped plates according to the size of the strip-shaped grooves for later use;
step two: wood impregnation
Putting the wood and the strip-shaped plate to be processed in the step one into a vacuum impregnation tank, and performing impregnation operation on the wood and the strip-shaped plate to be processed in the step one by adopting a vacuum pressurization method to obtain the wood and the strip-shaped plate to be processed for later use after impregnation;
step three: drying wood
Putting the wood and the strip-shaped plates obtained in the step two into a drying kiln, drying, and taking out after drying to obtain processed wood and processed strip-shaped plates for later use;
step four: assembly plate
Polishing the periphery of the strip-shaped plates obtained in the third step by using abrasive paper, then polishing the strip-shaped grooves on the wood obtained in the third step by using abrasive paper, removing scraps after polishing, then respectively installing a plurality of groups of strip-shaped plates into the plurality of groups of strip-shaped grooves, and filling sealant into gaps generated by the strip-shaped plates to obtain the assembled wood;
step five: wood flattening
Cutting off the strip-shaped plate outside the strip-shaped groove and the overflowed sealant on the wood assembled in the fourth step to enable the strip-shaped groove to be flush with one end of the strip-shaped plate, and polishing the cut-off place by using abrasive paper;
step six: wood coating brush
And D, performing paint brushing operation on the wood polished in the step five, performing comprehensive repeated brushing operation on the wood, and drying after the brushing operation is completed to obtain the treated wood.
The further improvement lies in that: and in the first step, the thickness of the strip-shaped plate is larger than the depth of the strip-shaped groove.
The further improvement lies in that: and in the second step, when the vacuum impregnation tank works, impregnating the wood by filling an impregnation liquid, wherein the impregnation liquid is 20% phenolic resin.
The further improvement lies in that: and in the third step, the water content of the dried wood and the water content of the dried strip-shaped plate are both 7-11%.
The further improvement lies in that: and the sealant filled in the fourth step is white latex.
The further improvement lies in that: and the paint brushed in the sixth step is amino resin paint.
The further improvement lies in that: and the brushing times in the sixth step are 3-5 times, and the interval of each brushing needs to wait for the next brushing operation after the paint brushed last time is dried completely.
The invention has the beneficial effects that: this kind of improve timber stability's modification method soaks the impregnating solution in timber through vacuum pressurization method, and dry, make it condense into the undissolved substance in timber inside, and fill in fibril clearance and pit, make fibril clearance fully swell and hinder moisture to get into timber, the rethread is applied paint amino resin coating with a brush, further strengthen timber's performance, make timber internal stress little, mechanical properties increases, the material structure is even, the surface is bright and clean, then promote timber's stability, in addition through the strip groove of seting up, enlarge the area that timber and impregnating solution contacted, thereby promote the efficiency of impregnation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to fig. 1, the embodiment proposes a modification method for improving wood stability, which includes the following steps:
the method comprises the following steps: wood processing
Preparing wood to be processed, then, regarding the wood horizontally placed on a desktop as a standard, forming strip-shaped grooves in the wood, forming a plurality of groups of strip-shaped grooves, uniformly distributing the plurality of groups of strip-shaped grooves on the upper side and the lower side of the wood, then, preparing a plurality of groups of strip-shaped plates according to the size of the strip-shaped grooves for standby, wherein the thickness of the strip-shaped plates in the first step is larger than the depth of the strip-shaped grooves;
step two: wood impregnation
Putting the wood and the strip-shaped plate to be processed in the step one into a vacuum impregnation tank, and impregnating the wood and the strip-shaped plate to be processed in the step one by adopting a vacuum pressurization method, wherein the impregnation time and the impregnation pressure are set according to different woods, and the wood and the strip-shaped plate to be processed are obtained after impregnation for standby application, and in the step two, when the vacuum impregnation tank works, impregnation liquid is filled in to impregnate the wood, wherein the impregnation liquid is phenolic resin with the concentration of 20%;
step three: drying wood
Putting the wood and the strip-shaped plates obtained in the step two into a drying kiln, drying, taking out after drying to obtain the processed wood and the processed strip-shaped plates for later use, wherein the water content of the wood and the strip-shaped plates dried in the step three is 7-11%;
step four: assembly plate
Polishing the periphery of the strip-shaped plate obtained in the third step by using 240-mesh abrasive paper, then polishing the strip-shaped groove on the wood obtained in the third step by using 240-mesh abrasive paper, removing scraps after polishing, respectively installing a plurality of groups of strip-shaped plates into the plurality of groups of strip-shaped grooves, and filling sealant into gaps generated by the plurality of groups of strip-shaped plates to obtain the assembled wood, wherein the sealant filled in the fourth step is white latex;
step five: wood flattening
Cutting off the strip-shaped plate outside the strip-shaped groove and the overflowing sealant on the wood assembled in the fourth step to enable the strip-shaped groove to be flush with one end of the strip-shaped plate, and polishing the cut-off place by using abrasive paper, wherein the surface of the wood is in a flat state;
step six: wood coating brush
And C, performing paint brushing operation on the polished wood in the fifth step, performing comprehensive repeated brushing operation on the wood for multiple times, and drying after brushing to obtain the processed wood, wherein the paint brushed in the sixth step is an amino resin coating, the brushing times in the sixth step are 3-5 times, and the brushing operation for the next time is performed after the last brushed coating is dried completely at intervals during each brushing.
This kind of improve timber stability's modification method soaks the impregnating solution in timber through vacuum pressurization method, and dry, make it condense into the undissolved substance in timber inside, and fill in fibril clearance and pit, make fibril clearance fully swell and hinder moisture to get into timber, the rethread is applied paint amino resin coating with a brush, further strengthen timber's performance, make timber internal stress little, mechanical properties increases, the material structure is even, the surface is bright and clean, then promote timber's stability, in addition through the strip groove of seting up, enlarge the area that timber and impregnating solution contacted, thereby promote the efficiency of impregnation.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A modification method for improving wood stability is characterized in that: the method comprises the following steps:
the method comprises the following steps: wood processing
Preparing wood to be processed, then, arranging a plurality of groups of strip-shaped grooves on the wood with the wood horizontally placed on a desktop as a standard, uniformly distributing the plurality of groups of strip-shaped grooves on the upper side and the lower side of the wood, and then preparing a plurality of groups of strip-shaped plates according to the size of the strip-shaped grooves for later use;
step two: wood impregnation
Putting the wood and the strip-shaped plate to be processed in the step one into a vacuum impregnation tank, and performing impregnation operation on the wood and the strip-shaped plate to be processed in the step one by adopting a vacuum pressurization method to obtain the wood and the strip-shaped plate to be processed for later use after impregnation;
step three: drying wood
Putting the wood and the strip-shaped plates obtained in the step two into a drying kiln, drying, and taking out after drying to obtain processed wood and processed strip-shaped plates for later use;
step four: assembly plate
Polishing the periphery of the strip-shaped plates obtained in the third step by using abrasive paper, then polishing the strip-shaped grooves on the wood obtained in the third step by using abrasive paper, removing scraps after polishing, then respectively installing a plurality of groups of strip-shaped plates into the plurality of groups of strip-shaped grooves, and filling sealant into gaps generated by the strip-shaped plates to obtain the assembled wood;
step five: wood flattening
Cutting off the strip-shaped plate outside the strip-shaped groove and the overflowed sealant on the wood assembled in the fourth step to enable the strip-shaped groove to be flush with one end of the strip-shaped plate, and polishing the cut-off place by using abrasive paper;
step six: wood coating brush
And D, performing paint brushing operation on the wood polished in the step five, performing comprehensive repeated brushing operation on the wood, and drying after the brushing operation is completed to obtain the treated wood.
2. The modification method for improving the stability of wood according to claim 1, wherein the modification method comprises the following steps: and in the first step, the thickness of the strip-shaped plate is larger than the depth of the strip-shaped groove.
3. The modification method for improving the stability of wood according to claim 1, wherein the modification method comprises the following steps: and in the second step, when the vacuum impregnation tank works, impregnating the wood by filling an impregnation liquid, wherein the impregnation liquid is 20% phenolic resin.
4. The modification method for improving the stability of wood according to claim 1, wherein the modification method comprises the following steps: and in the third step, the water content of the dried wood and the water content of the dried strip-shaped plate are both 7-11%.
5. The modification method for improving the stability of wood according to claim 1, wherein the modification method comprises the following steps: and the sealant filled in the fourth step is white latex.
6. The modification method for improving the stability of wood according to claim 1, wherein the modification method comprises the following steps: and the paint brushed in the sixth step is amino resin paint.
7. The modification method for improving the stability of wood according to claim 1, wherein the modification method comprises the following steps: and the brushing times in the sixth step are 3-5 times, and the interval of each brushing needs to wait for the next brushing operation after the paint brushed last time is dried completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110258682.6A CN113146781A (en) | 2021-03-10 | 2021-03-10 | Modification method for improving stability of wood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110258682.6A CN113146781A (en) | 2021-03-10 | 2021-03-10 | Modification method for improving stability of wood |
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| Publication Number | Publication Date |
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| CN113146781A true CN113146781A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110258682.6A Pending CN113146781A (en) | 2021-03-10 | 2021-03-10 | Modification method for improving stability of wood |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085679A (en) * | 2010-06-28 | 2011-06-08 | 永港伟方（北京）科技股份有限公司 | Wood modifying solution as well as preparation method and application thereof |
| CN103600389A (en) * | 2013-11-11 | 2014-02-26 | 中南林业科技大学 | Method for reinforcing wood in solid wood through micromolecule phenolic aldehyde monomers |
| CN106272794A (en) * | 2016-08-16 | 2017-01-04 | 崇州市欧帝名家家具有限公司 | A kind of method strengthening wood dimensional stability |
| WO2019123230A1 (en) * | 2017-12-22 | 2019-06-27 | Stora Enso Oyj | Modified wood product and a process for producing said product |
-
2021
- 2021-03-10 CN CN202110258682.6A patent/CN113146781A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085679A (en) * | 2010-06-28 | 2011-06-08 | 永港伟方（北京）科技股份有限公司 | Wood modifying solution as well as preparation method and application thereof |
| CN103600389A (en) * | 2013-11-11 | 2014-02-26 | 中南林业科技大学 | Method for reinforcing wood in solid wood through micromolecule phenolic aldehyde monomers |
| CN106272794A (en) * | 2016-08-16 | 2017-01-04 | 崇州市欧帝名家家具有限公司 | A kind of method strengthening wood dimensional stability |
| WO2019123230A1 (en) * | 2017-12-22 | 2019-06-27 | Stora Enso Oyj | Modified wood product and a process for producing said product |
Non-Patent Citations (1)
| Title |
|---|
| 黄见远: "《实用木材手册》", 30 June 2012, 上海科学技术出版社 * |
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Application publication date: 20210723 |
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