CN105382895A - Preparing method of modified composite wood for furniture manufacturing - Google Patents
Preparing method of modified composite wood for furniture manufacturing Download PDFInfo
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- CN105382895A CN105382895A CN201510682530.3A CN201510682530A CN105382895A CN 105382895 A CN105382895 A CN 105382895A CN 201510682530 A CN201510682530 A CN 201510682530A CN 105382895 A CN105382895 A CN 105382895A
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- CN
- China
- Prior art keywords
- solution
- composite wood
- preparation
- wood
- modification
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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
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/20—Compounds of alkali metals or ammonium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention provides a preparing method of modified composite wood for furniture manufacturing. The preparing method comprises the first step of preparing a solution A, the second step of preparing a solution B, the third step of immersing processing of the wood through the solution A and the fourth step of immersing processing of the wood through the solution B. According to the preparing method of the modified composite wood for furniture manufacturing, the composite technology and a self-manufactured inorganic modifying agent are adopted in the preparing method, the size stability of the composite wood is greatly improved, the mechanical performance of the composite wood is obviously improved, and the application range of the composite wood is enlarged accordingly.
Description
Technical field
The present invention relates to a kind of furniture material preparation method, particularly relate to a kind of preparation method of the modification composite wood for furniture making, belong to furniture material technical field.
Background technology
Timber is a kind of reproducible natural material, and its feature that is high with the ratio of strength to weight, that be easy to processing, good insulating, is used widely in Furniture manufacturing.But existing have mostly for the timber in Furniture manufacturing that density is little, mechanical strength is low, the shortcoming such as dimensional stability and anti-water suction rate variance, and the scope of application is very limited.And along with the minimizing of timber resources, the raising of people's living standard, people are more and more higher to the quantity of wood utilization, quality requirement, and the imbalance between supply and demand of timber resources also becomes increasingly conspicuous.
In recent years, people, by modification timber, realize the high performance of timber, improve the utilization rate of timber resources, thus alleviate the imbalance between supply and demand of timber and expand the scope of application of timber in Furniture manufacturing.
At present, modification for timber mainly comprises two kinds of modes: one is adopt organic resin class to carry out modification to timber, but the subject matter existed is thermocompression forming complex process, the composite difficulty of improved chemical or compound drug poor stability, partially modified dose produces injury etc. to health; Two be adopt inorganics filled come modification timber, thus obtained inanimate matter composite, but because the modifier selected is more single and modification process is unreasonable, have that modifier resistance leachability is poor, composite property improve significantly and performance along with problems such as time deteriorations.
Summary of the invention
For the demand, the invention provides a kind of preparation method of the modification composite wood for furniture making, this preparation method adopts composite technology and homemade inorganic modifier, not only greatly strengthen the dimensional stability of composite wood, and significantly improve the mechanical property of composite wood, thus expand the scope of application of composite wood.
The present invention is a kind of preparation method of the modification composite wood for furniture making, and described preparation method comprises the steps: a) to prepare solution A, b) prepares B solution, c) solution A Immersion treatment timber, d) B solution Immersion treatment timber.
In a preferred embodiment of the present invention, in described step a), the composition that solution A solute comprises and percentage by weight are: 91% aluminum sulfate, 0.5% silane coupler KH500,8.5% PEG400.
In a preferred embodiment of the present invention, in described step a), the solution A concentration of preparation is 20%, and pH value is 5.5.
In a preferred embodiment of the present invention, in described step b), B solution is sodium silicate solution, and its compound concentration is 16%, and pH value is 9.
In a preferred embodiment of the present invention, in described step c), solution A Immersion treatment timber comprises the steps: 1) pretreated fir wood plank is placed in the modification tank assembled voluntarily and seals; 2) process tank be evacuated to the vacuum of 0.1MPa and keep vacuum 30min; 3) in process tank, inject solution A and be forced into 2.5MPa maintenance 40min; 4) release is taken out sheet material and is at room temperature dried sheet material.
In a preferred embodiment of the present invention, in described step d), B solution Immersion treatment timber comprises the steps: 1) fir wood plank of step c) process is placed in process tank seals; 2) process tank be evacuated to the vacuum of 0.1MPa and keep vacuum 30min; 3) in process tank, inject B solution and be forced into 2.5MPa maintenance 40min; 4) release is taken out sheet material and is at room temperature dried sheet material.
Present invention is disclosed a kind of preparation method of the modification composite wood for furniture making, this preparation method adopts composite technology and homemade inorganic modifier, not only greatly strengthen the dimensional stability of composite wood, and significantly improve the mechanical property of composite wood, thus expand the scope of application of composite wood.
accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the process figure of the modification composite wood preparation method that the embodiment of the present invention makes for furniture.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Fig. 1 is the process figure of the modification composite wood preparation method that the embodiment of the present invention makes for furniture; This preparation method comprises the steps: a) to prepare solution A, b) prepares B solution, c) solution A Immersion treatment timber, d) B solution Immersion treatment timber.
The modification composite wood preparation method for furniture making that the present invention mentions adopts based on aluminum sulfate, sodium metasilicate, silane coupler, PEG400 are auxiliary composite type modified dose, fast growing wood China fir is processed, be combined with silicate ion by the aluminium ion immersing timber, aluminum sulfate precipitation is generated in the cell of timber microfibril gap and test-tube baby, thus make in timber, to fill a large amount of inorganic matters, obtain the China fir inorganic compounding timber of inorganics filled modification.This inorganic modified process does not destroy the structures and characteristics of lumber fibre, inorganic modifier deposits in lumen or on cell membrane, both the ability of cell membrane opposing External Force Acting had been added, the bending strength of wood, elastic modelling quantity is made to increase significantly, plug again inside and outside exchange of moisture passage simultaneously, cause waterabsorbing capacity of wood to reduce, dimensional stability improves.By carrying out inspect on colligated-function to obtained composite wood, result shows that the dimensional stability of this inorganic compounding timber significantly improves, and the mechanical performance indexs such as bending strength, Deflection Modulus of Elasticity, compression strength and hardness all significantly improve.
Embodiment
Concrete preparation method is as follows:
A) prepare solution A, take following raw material first by weight percentage: the aluminum sulfate of 91%, the silane coupler KH500 of 0.5%, 8.5% PEG400; Then they are dissolved in a certain amount of water, regulate the pH value of solution 5.5, be mixed with the solution that concentration is 20%.
B) prepare B solution, first take a certain amount of sodium metasilicate raw material, then sodium metasilicate is dissolved in a certain amount of water, regulate the pH value of solution 9, be mixed with the solution that concentration is 16%.
C) solution A Immersion treatment timber, concrete processing procedure is: first make by furniture the sheet material that China fir material to be cut into requirement up to specification by materials specifications, and is immersed in tank by sheet material and clean, and puts into 103 DEG C of dry 24h of air dry oven after cleaned; Then pretreated fir wood plank is placed in the modification tank assembled voluntarily and seals, and process tank be evacuated to the vacuum of 0.1MPa and keep vacuum 30min; In process tank, inject solution A under vacuum conditions afterwards, and be forced into 2.5MPa and keep 40min; After release, sheet material is taken out from process tank, and at room temperature dry sheet material.
D) B solution Immersion treatment timber, is first placed in the fir wood plank of step c) process in the modification tank assembled voluntarily and seals, then process tank is evacuated to the vacuum of 0.1MPa and keeps vacuum 30min; Then in process tank, inject B solution under vacuum conditions, and be forced into 2.5MPa and keep 40min; After release, sheet material is taken out from process tank, and at room temperature dry sheet material, be i.e. the modification composite wood of obtained excellent combination property.
Present invention is disclosed a kind of preparation method of the modification composite wood for furniture making, this preparation method adopts composite technology and homemade inorganic modifier, not only greatly strengthen the dimensional stability of composite wood, and significantly improve the mechanical property of composite wood, thus expand the scope of application of composite wood.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (6)
1., for a preparation method for the modification composite wood of furniture making, it is characterized in that, described preparation method comprises the steps: a) to prepare solution A, b) prepares B solution, c) solution A Immersion treatment timber, d) B solution Immersion treatment timber.
2. the preparation method of the modification composite wood for furniture making according to claim 1, it is characterized in that, in described step a), the composition that solution A solute comprises and percentage by weight are: 91% aluminum sulfate, 0.5% silane coupler KH500,8.5% PEG400.
3. the preparation method of the modification composite wood for furniture making according to claim 1, it is characterized in that, in described step a), the solution A concentration of preparation is 20%, and pH value is 5.5.
4. the preparation method of the modification composite wood for furniture making according to claim 1, it is characterized in that, in described step b), B solution is sodium silicate solution, and its compound concentration is 16%, and pH value is 9.
5. the preparation method of the modification composite wood for furniture making according to claim 1, it is characterized in that, in described step c), solution A Immersion treatment timber comprises the steps: 1) pretreated fir wood plank is placed in the modification tank assembled voluntarily and seals; 2) process tank be evacuated to the vacuum of 0.1MPa and keep vacuum 30min; 3) in process tank, inject solution A and be forced into 2.5MPa maintenance 40min; 4) release is taken out sheet material and is at room temperature dried sheet material.
6. the preparation method of the modification composite wood for furniture making according to claim 1, it is characterized in that, in described step d), B solution Immersion treatment timber comprises the steps: 1) fir wood plank of step c) process is placed in process tank seals; 2) process tank be evacuated to the vacuum of 0.1MPa and keep vacuum 30min; 3) in process tank, inject B solution and be forced into 2.5MPa maintenance 40min; 4) release is taken out sheet material and is at room temperature dried sheet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510682530.3A CN105382895A (en) | 2015-10-21 | 2015-10-21 | Preparing method of modified composite wood for furniture manufacturing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510682530.3A CN105382895A (en) | 2015-10-21 | 2015-10-21 | Preparing method of modified composite wood for furniture manufacturing |
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| CN105382895A true CN105382895A (en) | 2016-03-09 |
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| CN201510682530.3A Pending CN105382895A (en) | 2015-10-21 | 2015-10-21 | Preparing method of modified composite wood for furniture manufacturing |
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| CN (1) | CN105382895A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393341A (en) * | 2016-09-23 | 2017-02-15 | 阜南县中泰工艺品有限公司 | Elm softening processing method |
| CN109176794A (en) * | 2018-09-21 | 2019-01-11 | 四川大学 | A kind of pair of incense wood protects the modifying agent and method of fragrant enhancing |
| CN110480780A (en) * | 2019-08-22 | 2019-11-22 | 怀化学院 | A kind of preparation method of modified lignum cinnamomi camphorae composite wood |
| CN114505935A (en) * | 2020-11-16 | 2022-05-17 | 深圳碳十四科技创新有限公司 | Preparation method of multifunctional micro-nano structure modified wood |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104890069A (en) * | 2015-06-25 | 2015-09-09 | 安徽农业大学 | Composite CaCO<3>/wood material and manufacturing method thereof |
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2015
- 2015-10-21 CN CN201510682530.3A patent/CN105382895A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890069A (en) * | 2015-06-25 | 2015-09-09 | 安徽农业大学 | Composite CaCO<3>/wood material and manufacturing method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 汤宜莊: "《木材工业实用大全 木材保护卷》", 30 June 2002, 北京：中国林业出版社 * |
| 范友华等: "无机物填充改性复合木材的制备及性能研究", 《林业机械与木工设备》 * |
| 谢拥群等: "硅酸钠增强植物纤维基超低密度材料的研究", 《北京林业大学学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393341A (en) * | 2016-09-23 | 2017-02-15 | 阜南县中泰工艺品有限公司 | Elm softening processing method |
| CN109176794A (en) * | 2018-09-21 | 2019-01-11 | 四川大学 | A kind of pair of incense wood protects the modifying agent and method of fragrant enhancing |
| CN109176794B (en) * | 2018-09-21 | 2021-03-23 | 四川大学 | Modifier and method for enhancing aroma retention of incense wood |
| CN110480780A (en) * | 2019-08-22 | 2019-11-22 | 怀化学院 | A kind of preparation method of modified lignum cinnamomi camphorae composite wood |
| CN114505935A (en) * | 2020-11-16 | 2022-05-17 | 深圳碳十四科技创新有限公司 | Preparation method of multifunctional micro-nano structure modified wood |
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Application publication date: 20160309 |
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