CN116604662A - Sun-proof dyed veneer and preparation method thereof - Google Patents
Sun-proof dyed veneer and preparation method thereof Download PDFInfo
- Publication number
- CN116604662A CN116604662A CN202310629424.3A CN202310629424A CN116604662A CN 116604662 A CN116604662 A CN 116604662A CN 202310629424 A CN202310629424 A CN 202310629424A CN 116604662 A CN116604662 A CN 116604662A
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- veneer
- dyed
- sun
- proof
- wood
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- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000002023 wood Substances 0.000 claims abstract description 34
- 239000002994 raw material Substances 0.000 claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 238000004043 dyeing Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005070 sampling Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000005303 weighing Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 16
- 125000002091 cationic group Chemical group 0.000 claims description 12
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 8
- 239000012752 auxiliary agent Substances 0.000 claims description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- 238000004061 bleaching Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 3
- 230000002745 absorbent Effects 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 150000001768 cations Chemical class 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- -1 organic acid ester Chemical class 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000007704 transition Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
-
- 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
- B27K5/02—Staining or dyeing wood; Bleaching 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
- 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
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L1/00—Debarking or removing vestiges of branches from trees or logs; Machines therefor
- B27L1/10—Debarking or removing vestiges of branches from trees or logs; Machines therefor using rotatable tools
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a sun-proof dyed veneer and a preparation method thereof, comprising the following steps of; s1: pre-purchasing sun-proof dyed veneer raw materials, and warehousing and storing; s2: sampling and detecting the sun-proof dyed veneer raw material, analyzing whether the detection result reaches the standard, isolating and sealing if the detection result does not reach the standard, and releasing the raw material if the detection result reaches the standard; s3: summarizing the released raw materials in batches, and weighing sun-proof dyed veneer raw materials according to preset components; s4: cutting log, rotary cutting and peeling to obtain wood material with required size. The beneficial effects are that: the manufactured veneer is absolute and environment-friendly, has natural color transition and clear wood grain, has strong overall stereoscopic impression, can realize industrial production with a scale larger than that of ordinary dyeing technical wood by the process, and greatly improves the production automation level and the production efficiency; after the dyed veneer is aged for 200 hours manually, the light fastness is more than or equal to 3 grades, and finally the dyeing effect is good after fixation.
Description
Technical Field
The invention relates to the technical field of wood veneer material processing, in particular to a sun-proof dyed wood veneer and a preparation method thereof.
Background
The dyed veneer is a novel beautiful and exquisite decorative material which is manufactured by utilizing a high-tech processing technology to carry out defect treatment and coloring on the natural veneer, inherits the texture of the natural veneer and makes up for the inherent defects of the natural veneer. The unique texture and color are as good as fashion sense and texture, and the method is widely applied to the custom furniture industry with light luxury.
However, because of the limitations of the existing dyeing technology, the dyeing effect of the dyed veneer is not ideal at present, not only the dye is not good in penetration in the veneer, but also the dye used for dyeing the veneer is generally not light-fast, and the color of the dyed veneer is seriously faded in three months indoors or one month outdoors, which brings great inconvenience to the application of the dyed veneer.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a sun-proof dyed veneer and a preparation method thereof, which aims to overcome the technical problems in the prior art.
For this purpose, the invention adopts the following specific technical scheme:
a sun-proof dyed veneer and a preparation method thereof comprise the following steps;
s1: pre-purchasing sun-proof dyed veneer raw materials, and warehousing and storing;
s2: sampling and detecting the sun-proof dyed veneer raw material, analyzing whether the detection result reaches the standard, isolating and sealing if the detection result does not reach the standard, and releasing the raw material if the detection result reaches the standard;
s3: summarizing the released raw materials in batches, and weighing sun-proof dyed veneer raw materials according to preset components;
s4: cutting log, rotary cutting and peeling to obtain wood raw material with required size;
s5: bleaching and dyeing the wood raw material to obtain dyed wood;
s6: drying the dyed wood until the water content is 25% -55%; then, the initial veneer with the required size is obtained by rotary cutting;
s7: placing the initial veneer in sodium carbonate solution for primary heat treatment to obtain pretreated veneer;
s8: placing the pretreated veneer in water containing a cation auxiliary agent for carrying out secondary heat treatment to obtain cationized veneer;
s9: drying the cationized veneer by a flat plate dryer, wherein the water content is controlled to be 5% -15%;
s10: and (3) placing the dried cationized veneer in water containing aqueous color paste for carrying out third heat treatment, and then carrying out fixation treatment by using resin to obtain the sun-proof dyed veneer.
Preferably, in the step S5, the wood raw material is vacuumized after being treated by cellulose organic acid ester, and then is soaked in hydrogen peroxide, an ultraviolet-resistant absorbent and butyl acetate for pressure bleaching.
Preferably, in the step S5, the color fixing is performed by using an HDI curing agent to obtain dyed wood, and the dyed wood is washed by using an antioxidant.
Preferably, the mass fraction of the sodium carbonate solution in the step S7 is 2-8%.
Preferably, in the step S8, the weight ratio of the pretreated veneer to the cationic assistant to the water is 1: (0.05-0.1): (30-40) mixing and stirring the pretreated wood and the cationic assistant in water.
Preferably, the temperature of the first heat treatment is 75-95 ℃ and the time is 0.5-2h.
Preferably, the temperature of the second heat treatment is 80-85 ℃ and the time is 6-12h.
Preferably, the temperature of the third heat treatment is 85-90 ℃ and the time is 7-15h.
The beneficial effects of the invention are as follows: the manufactured veneer is environment-friendly, natural in color transition, clear in wood grain and strong in overall stereoscopic impression, and compared with ordinary dyeing technology, the industrial production of the veneer can be realized by the process, the loss in the veneer production process is reduced, and the wood utilization rate is improved. Greatly improves the production automation level and improves the production efficiency; the method comprises the steps of pre-treating an initial veneer by using a sodium carbonate solution, removing impurities on the surface of the initial veneer, carrying out cationization treatment by using a cationic auxiliary agent, and carrying cationic charges on veneer fibers, so that the adsorption effect of the cationic charges can be utilized, the light fastness of dyed veneer after artificial accelerated aging for 200 hours is more than or equal to 3 levels, and finally, the dyed veneer can be well obtained after fixation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments 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 other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of steps of a sun-proof dyed veneer and a method of making the same according to an embodiment of the invention.
Detailed Description
For the purpose of further illustrating the various embodiments, the present invention provides the accompanying drawings, which are a part of the disclosure of the present invention, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present invention, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.
According to an embodiment of the invention, a sun-proof dyed veneer and a preparation method thereof are provided.
Embodiment one;
as shown in fig. 1, the sun-proof dyed veneer and the method for preparing the same according to an embodiment of the present invention includes the following steps;
step S1: pre-purchasing sun-proof dyed veneer raw materials, and warehousing and storing;
step S2: sampling and detecting the sun-proof dyed veneer raw material, analyzing whether the detection result reaches the standard, isolating and sealing if the detection result does not reach the standard, and releasing the raw material if the detection result reaches the standard;
step S3: summarizing the released raw materials in batches, and weighing sun-proof dyed veneer raw materials according to preset components;
step S4: cutting log, rotary cutting and peeling to obtain wood raw material with required size;
step S5: bleaching and dyeing the wood raw material to obtain dyed wood;
step S6: drying the dyed wood until the water content is 25% -55%; then, the initial veneer with the required size is obtained by rotary cutting;
step S7: placing the initial veneer in sodium carbonate solution for primary heat treatment to obtain pretreated veneer;
step S8: placing the pretreated veneer in water containing a cation auxiliary agent for carrying out secondary heat treatment to obtain cationized veneer;
step S9: drying the cationized veneer by a flat plate dryer, wherein the water content is controlled to be 5% -15%;
step S10: and (3) placing the dried cationized veneer in water containing aqueous color paste for carrying out third heat treatment, and then carrying out fixation treatment by using resin to obtain the sun-proof dyed veneer.
Embodiment two;
in the step S5, as shown in fig. 1, the wood raw material is vacuumized after being treated by cellulose organic acid ester, and then is soaked in hydrogen peroxide, an ultraviolet-resistant absorbent and butyl acetate for pressure bleaching.
And in the step S5, fixing color by adopting an HDI curing agent to obtain dyed wood, and cleaning the dyed wood by using an antioxidant.
The mass fraction of the sodium carbonate solution in the step S7 is 2-8%.
In the step S8, the weight ratio of the pretreated veneer to the cationic auxiliary agent to the water is 1: (0.05-0.1): (30-40) mixing and stirring the pretreated wood and the cationic assistant in water.
Embodiment three;
as shown in FIG. 1, the temperature of the first heat treatment is 75-95 ℃ and the time is 0.5-2h.
The temperature of the second heat treatment is 80-85 ℃ and the time is 6-12h.
The temperature of the third heat treatment is 85-90 ℃ and the time is 7-15h.
In summary, by means of the technical scheme, the manufactured veneer is absolute and environment-friendly, has natural color transition, clear wood grains and strong overall stereoscopic impression, and can realize industrial production with a larger scale than that of ordinary dyeing technology wood, reduce loss in the veneer production process and improve the wood utilization rate. Greatly improves the production automation level and improves the production efficiency; the method comprises the steps of pre-treating an initial veneer by using a sodium carbonate solution, removing impurities on the surface of the initial veneer, carrying out cationization treatment by using a cationic auxiliary agent, and carrying cationic charges on veneer fibers, so that the adsorption effect of the cationic charges can be utilized, the light fastness of dyed veneer after artificial accelerated aging for 200 hours is more than or equal to 3 levels, and finally, the dyed veneer can be well obtained after fixation.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. A sun-proof dyed veneer and a preparation method thereof are characterized by comprising the following steps of;
s1: pre-purchasing sun-proof dyed veneer raw materials, and warehousing and storing;
s2: sampling and detecting the sun-proof dyed veneer raw material, analyzing whether the detection result reaches the standard, isolating and sealing if the detection result does not reach the standard, and releasing the raw material if the detection result reaches the standard;
s3: summarizing the released raw materials in batches, and weighing sun-proof dyed veneer raw materials according to preset components;
s4: cutting log, rotary cutting and peeling to obtain wood raw material with required size;
s5: bleaching and dyeing the wood raw material to obtain dyed wood;
s6: drying the dyed wood until the water content is 25% -55%; then, the initial veneer with the required size is obtained by rotary cutting;
s7: placing the initial veneer in sodium carbonate solution for primary heat treatment to obtain pretreated veneer;
s8: placing the pretreated veneer in water containing a cation auxiliary agent for carrying out secondary heat treatment to obtain cationized veneer;
s9: drying the cationized veneer by a flat plate dryer, wherein the water content is controlled to be 5% -15%;
s10: and (3) placing the dried cationized veneer in water containing aqueous color paste for carrying out third heat treatment, and then carrying out fixation treatment by using resin to obtain the sun-proof dyed veneer.
2. The method for preparing the sun-proof dyed veneer according to claim 1, wherein in the step S5, the wood raw material is subjected to cellulose organic acid ester treatment, vacuumized, and then soaked in hydrogen peroxide, an anti-ultraviolet absorbent and butyl acetate for pressure bleaching.
3. The method for preparing the sun-proof dyed veneer and the method for preparing the same according to claim 2, wherein the step S5 is to fix the sun-proof dyed veneer with an HDI curing agent to obtain dyed wood, and to clean the dyed wood with an antioxidant.
4. A sun-proof dyed veneer and manufacturing method thereof according to claim 3, wherein the mass fraction of the sodium carbonate solution in step S7 is 2-8%.
5. The sun-proof dyed veneer and the preparation method thereof according to claim 4, wherein in the step S8, the weight ratio of the pretreated veneer, the cationic auxiliary agent and water is 1: (0.05-0.1): (30-40) mixing and stirring the pretreated wood and the cationic assistant in water.
6. The sun-proof dyed veneer and the manufacturing method thereof according to claim 1, wherein the first heat treatment is performed at a temperature of 75-95 ℃ for a time of 0.5-2 hours.
7. The sun-proof dyed veneer and the manufacturing method thereof according to claim 1, wherein the second heat treatment is performed at a temperature of 80-85 ℃ for a time of 6-12 hours.
8. The sun-proof dyed veneer and the manufacturing method thereof according to claim 1, wherein the temperature of the third heat treatment is 85-90 ℃ for 7-15 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310629424.3A CN116604662A (en) | 2023-05-31 | 2023-05-31 | Sun-proof dyed veneer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310629424.3A CN116604662A (en) | 2023-05-31 | 2023-05-31 | Sun-proof dyed veneer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116604662A true CN116604662A (en) | 2023-08-18 |
Family
ID=87674418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310629424.3A Pending CN116604662A (en) | 2023-05-31 | 2023-05-31 | Sun-proof dyed veneer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116604662A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030824A (en) * | 2017-04-28 | 2017-08-11 | 中南林业科技大学 | The production method of scientific and technological wood skin |
| CN114714458A (en) * | 2022-04-27 | 2022-07-08 | 成都展辰涂料有限公司 | Dyed veneer and preparation method thereof |
-
2023
- 2023-05-31 CN CN202310629424.3A patent/CN116604662A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030824A (en) * | 2017-04-28 | 2017-08-11 | 中南林业科技大学 | The production method of scientific and technological wood skin |
| CN114714458A (en) * | 2022-04-27 | 2022-07-08 | 成都展辰涂料有限公司 | Dyed veneer and preparation method thereof |
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