CN108068182A - A kind of solid wood furniture surface hydrophobicity method of modifying - Google Patents
A kind of solid wood furniture surface hydrophobicity method of modifying Download PDFInfo
- Publication number
- CN108068182A CN108068182A CN201711393497.8A CN201711393497A CN108068182A CN 108068182 A CN108068182 A CN 108068182A CN 201711393497 A CN201711393497 A CN 201711393497A CN 108068182 A CN108068182 A CN 108068182A
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- China
- Prior art keywords
- solid wood
- wood furniture
- modifying
- methyltrimethoxysilane
- acidic silicasol
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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
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/50—Mixtures of different organic impregnating agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
-
- 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
- B27K2240/70—Hydrophobation treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
- C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
Abstract
The invention discloses a kind of solid wood furniture surface hydrophobicity method of modifying, are related to solid wood furniture technical field, comprise the following steps：（1）Prepare the hydrophobic impregnating agent of acidic silicasol methyltrimethoxysilane alkyd resin；（2）Solid wood furniture timber is added in vacuum impregnation tank, the hydrophobic impregnating agent of addition acidic silicasol methyltrimethoxysilane alkyd resin carries out vacuum impregnation processing；Contact angle is at 155 158 ° after solid wood furniture product surface processing of the present invention, and roll angle possesses ultra-hydrophobicity below 5 °, green, environmental protection；The solid wood furniture that the present invention is handled is good with good hydrophobic, automatically cleaning, antifouling property, and antiseptic insect-repelling performance is notable so that the solid wood furniture service life can reach 10 years or more, durable.
Description
Technical field
The invention belongs to solid wood furniture technical fields, and in particular to a kind of solid wood furniture surface hydrophobicity method of modifying.
Background technology
Solid wood furniture refers to the furniture made of natural timber, and furniture surface can generally see the texture of timber, solid wood
Furniture glue consumption is quite few, and natural environmental-protective is green and healthy, and solid securely service life is long, since solid wood furniture uses process
Always, especially the furniture such as solid wood tea table often touch the erosion of water, over time after, solid wood furniture can be caused to send out
It is mould, reduce its service life and beauty.
The content of the invention
The purpose of the present invention is being directed to the problem of existing, a kind of solid wood furniture surface hydrophobicity method of modifying is provided.
The present invention is achieved by the following technical solutions：
A kind of solid wood furniture surface hydrophobicity method of modifying, comprises the following steps：
（1）Prepare acidic silicasol-hydrophobic impregnating agent of methyltrimethoxysilane -ol acid resin；
（2）Solid wood furniture timber is added in vacuum impregnation tank, addition acidic silicasol-methyltrimethoxysilane -ol acid
Resin hydrophobic impregnating agent carries out vacuum impregnation processing, and vacuum impregnation processing time then takes out for 35-40min, in ultrasonic field
It is dried, then dried solid wood furniture timber is made to the solid wood furniture of needs, you can.
Further, the hydrophobic impregnating agent preparation method of the acidic silicasol-methyltrimethoxysilane -ol acid resin
For：The deionized water of 550 parts by weight is added in into reaction kettle, is that 120r/min show that it is 80 to be added with stirring parts by weight in rotating speed
Methyltrimethoxysilane, be heated to 90 DEG C, it is 50 parts of ethyl alcohol then to add parts by weight, stirs 30min, then again plus
Enter the coupling agent that parts by weight are 5 parts, stir evenly, obtain preparation liquid；Ludox and deionized water are pressed 1:10 mass ratios are uniform
It is admixed together, 55 DEG C are then heated to, 20min is stirred with 500r/min rotating speeds, then adds acidic silicasol quality 0.51%
Potassium peroxydisulfate, under 90 DEG C, 1.2MPa pressure with 500r/min rotating speeds stir 40min, then using sulfuric acid solution adjust pH to
4.5, obtain acidic silicasol solution；Preparation liquid and acidic silicasol solution are pressed 1:2 volume ratios uniformly after mixing, then add again
The alkyd resin of Plus acidic silicon sol solution quality 10% is small with the stirring 2 of 3000r/min rotating speeds under 88 DEG C, 5.2MPa pressure
When to get.
Further, the coupling agent is organo silane coupling agent.
Further, the sulfuric acid solution mass fraction is 8.5%.
Further, the Ludox-hydrophobic impregnating agent of methyltrimethoxysilane -ol acid resin and solid wood furniture timber
Mixed proportion is 1000mL：800g.
Further, vacuum degree is 0.031MPa in the vacuum impregnation tank.
Further, dipping temperature is 55 DEG C in the vacuum impregnation tank.
The present invention has the following advantages compared with prior art：Acidic silicasol prepared by the present invention-methyl trimethoxy oxygroup silicon
The hydrophobic impregnating agent infiltration dispersion performance of alkane -ol acid resin is good, and physical and chemical performance is stablized, and delustring is heat-insulated, the excellent property such as non-toxic and tasteless
Energy.It, for the structure of super-hydrophobic film, has the effect of highly significant, easily realizes " dual microtexture " on solid wood furniture surface.
By carrying out impregnation to solid wood furniture timber in vacuum impregnation tank, formed convenient for solid wood furniture surface uniform super-hydrophobic
Film, it is ensured that hydrophobic effect.The present invention pass through substantial amounts of experimental study, by by acidic silicasol, methyltrimethoxysilane,
Alkyd resin dredge in certain mass ratio mix act synergistically, improve formation hydrophobic membrane have good mechanical performance, carry
Its high stability and durability, while there is good anticorrosion anti-insect effect, the hydrophobic membrane that the present invention is formed can resist sharp knife
Piece is delineated repeatedly, and finger is touched, pressed, and a variety of destruction processing such as water jets impact and ultraviolet light irradiation are still kept good
Ultra-hydrophobicity.At 155-158 °, roll angle possesses super contact angle below 5 ° after solid wood furniture product surface processing of the present invention
Hydrophobic performance, green, environmental protection；The solid wood furniture that the present invention is handled is good with good hydrophobic, automatically cleaning, antifouling property, and
Antiseptic insect-repelling performance is notable so that the solid wood furniture service life can reach 10 years or more, durable.
Specific embodiment
Embodiment 1
A kind of solid wood furniture surface hydrophobicity method of modifying, comprises the following steps：
（1）Prepare acidic silicasol-hydrophobic impregnating agent of methyltrimethoxysilane -ol acid resin；
（2）Solid wood furniture timber is added in vacuum impregnation tank, addition acidic silicasol-methyltrimethoxysilane -ol acid
Resin hydrophobic impregnating agent carries out vacuum impregnation processing, and vacuum impregnation processing time then takes out for 35min, carried out in ultrasonic field
It is dry, then dried solid wood furniture timber is made to the solid wood furniture of needs, you can.
Further, the hydrophobic impregnating agent preparation method of the acidic silicasol-methyltrimethoxysilane -ol acid resin
For：The deionized water of 550 parts by weight is added in into reaction kettle, is that 120r/min show that it is 80 to be added with stirring parts by weight in rotating speed
Methyltrimethoxysilane, be heated to 90 DEG C, it is 50 parts of ethyl alcohol then to add parts by weight, stirs 30min, then again plus
Enter the coupling agent that parts by weight are 5 parts, stir evenly, obtain preparation liquid；Ludox and deionized water are pressed 1:10 mass ratios are uniform
It is admixed together, 55 DEG C are then heated to, 20min is stirred with 500r/min rotating speeds, then adds acidic silicasol quality 0.51%
Potassium peroxydisulfate, under 90 DEG C, 1.2MPa pressure with 500r/min rotating speeds stir 40min, then using sulfuric acid solution adjust pH to
4.5, obtain acidic silicasol solution；Preparation liquid and acidic silicasol solution are pressed 1:2 volume ratios uniformly after mixing, then add again
The alkyd resin of Plus acidic silicon sol solution quality 10% is small with the stirring 2 of 3000r/min rotating speeds under 88 DEG C, 5.2MPa pressure
When to get.
Further, the coupling agent is organo silane coupling agent.
Further, the sulfuric acid solution mass fraction is 8.5%.
Further, the Ludox-hydrophobic impregnating agent of methyltrimethoxysilane -ol acid resin and solid wood furniture timber
Mixed proportion is 1000mL：800g.
Further, vacuum degree is 0.031MPa in the vacuum impregnation tank.
Further, dipping temperature is 55 DEG C in the vacuum impregnation tank.
Embodiment 2
A kind of solid wood furniture surface hydrophobicity method of modifying, comprises the following steps：
（1）Prepare acidic silicasol-hydrophobic impregnating agent of methyltrimethoxysilane -ol acid resin；
（2）Solid wood furniture timber is added in vacuum impregnation tank, addition acidic silicasol-methyltrimethoxysilane -ol acid
Resin hydrophobic impregnating agent carries out vacuum impregnation processing, and vacuum impregnation processing time then takes out for 40min, carried out in ultrasonic field
It is dry, then dried solid wood furniture timber is made to the solid wood furniture of needs, you can.
Further, the hydrophobic impregnating agent preparation method of the acidic silicasol-methyltrimethoxysilane -ol acid resin
For：The deionized water of 550 parts by weight is added in into reaction kettle, is that 120r/min show that it is 80 to be added with stirring parts by weight in rotating speed
Methyltrimethoxysilane, be heated to 90 DEG C, it is 50 parts of ethyl alcohol then to add parts by weight, stirs 30min, then again plus
Enter the coupling agent that parts by weight are 5 parts, stir evenly, obtain preparation liquid；Ludox and deionized water are pressed 1:10 mass ratios are uniform
It is admixed together, 55 DEG C are then heated to, 20min is stirred with 500r/min rotating speeds, then adds acidic silicasol quality 0.51%
Potassium peroxydisulfate, under 90 DEG C, 1.2MPa pressure with 500r/min rotating speeds stir 40min, then using sulfuric acid solution adjust pH to
4.5, obtain acidic silicasol solution；Preparation liquid and acidic silicasol solution are pressed 1:2 volume ratios uniformly after mixing, then add again
The alkyd resin of Plus acidic silicon sol solution quality 10% is small with the stirring 2 of 3000r/min rotating speeds under 88 DEG C, 5.2MPa pressure
When to get.
Further, the coupling agent is organo silane coupling agent.
Further, the sulfuric acid solution mass fraction is 8.5%.
Further, the Ludox-hydrophobic impregnating agent of methyltrimethoxysilane -ol acid resin and solid wood furniture timber
Mixed proportion is 1000mL：800g.
Further, vacuum degree is 0.031MPa in the vacuum impregnation tank.
Further, dipping temperature is 55 DEG C in the vacuum impregnation tank.
Embodiment 3
A kind of solid wood furniture surface hydrophobicity method of modifying, comprises the following steps：
（1）Prepare acidic silicasol-hydrophobic impregnating agent of methyltrimethoxysilane -ol acid resin；
（2）Solid wood furniture timber is added in vacuum impregnation tank, addition acidic silicasol-methyltrimethoxysilane -ol acid
Resin hydrophobic impregnating agent carries out vacuum impregnation processing, and vacuum impregnation processing time then takes out for 38min, carried out in ultrasonic field
It is dry, then dried solid wood furniture timber is made to the solid wood furniture of needs, you can.
Further, the hydrophobic impregnating agent preparation method of the acidic silicasol-methyltrimethoxysilane -ol acid resin
For：The deionized water of 550 parts by weight is added in into reaction kettle, is that 120r/min show that it is 80 to be added with stirring parts by weight in rotating speed
Methyltrimethoxysilane, be heated to 90 DEG C, it is 50 parts of ethyl alcohol then to add parts by weight, stirs 30min, then again plus
Enter the coupling agent that parts by weight are 5 parts, stir evenly, obtain preparation liquid；Ludox and deionized water are pressed 1:10 mass ratios are uniform
It is admixed together, 55 DEG C are then heated to, 20min is stirred with 500r/min rotating speeds, then adds acidic silicasol quality 0.51%
Potassium peroxydisulfate, under 90 DEG C, 1.2MPa pressure with 500r/min rotating speeds stir 40min, then using sulfuric acid solution adjust pH to
4.5, obtain acidic silicasol solution；Preparation liquid and acidic silicasol solution are pressed 1:2 volume ratios uniformly after mixing, then add again
The alkyd resin of Plus acidic silicon sol solution quality 10% is small with the stirring 2 of 3000r/min rotating speeds under 88 DEG C, 5.2MPa pressure
When to get.
Further, the coupling agent is organo silane coupling agent.
Further, the sulfuric acid solution mass fraction is 8.5%.
Further, the Ludox-hydrophobic impregnating agent of methyltrimethoxysilane -ol acid resin and solid wood furniture timber
Mixed proportion is 1000mL：800g.
Further, vacuum degree is 0.031MPa in the vacuum impregnation tank.
Further, dipping temperature is 55 DEG C in the vacuum impregnation tank.
Experiment：
For contact angle at 155-158 °, roll angle possesses super-hydrophobicity below 5 ° after solid wood furniture product surface processing of the present invention
Can, green, environmental protection；The solid wood furniture product that the present invention is handled is good with good hydrophobic, automatically cleaning, antifouling property, and prevents
Rotten insect prevention performance is notable so that solid wood furniture product life can reach 10 years or more, durable.
By test, by the solid wood furniture product that the present invention is handled, 99.6% is up to the inhibiting rate of aspergillus niger, to soft
The inhibiting rate of maize ear rot is up to 96.9%, and 98.4% is up to the inhibiting rate of termite, 97.5% is up to Trichoderma viride inhibiting rate, to brown
The inhibiting rate of rotten bacterium is up to 97.7%, and 98.8% is up to the inhibiting rate of white rot, and 98.9% is up to the inhibiting rate of Stain fungi.
Claims (7)
1. a kind of solid wood furniture surface hydrophobicity method of modifying, which is characterized in that comprise the following steps：
（1）Prepare acidic silicasol-hydrophobic impregnating agent of methyltrimethoxysilane -ol acid resin；
（2）Solid wood furniture timber is added in vacuum impregnation tank, addition acidic silicasol-methyltrimethoxysilane -ol acid
Resin hydrophobic impregnating agent carries out vacuum impregnation processing, and vacuum impregnation processing time then takes out for 35-40min, in ultrasonic field
It is dried, then dried solid wood furniture timber is made to the solid wood furniture of needs, you can.
2. a kind of solid wood furniture surface hydrophobicity method of modifying as described in claim 1, which is characterized in that the acidity silicon is molten
The hydrophobic impregnating agent preparation method of glue-methyltrimethoxysilane -ol acid resin is：Going for 550 parts by weight is added in into reaction kettle
Ionized water is that 120r/min draws and is added with stirring the methyltrimethoxysilane that parts by weight are 80 in rotating speed, is heated to 90 DEG C,
Then the ethyl alcohol that parts by weight are 50 parts is added, stirs 30min, then adds the coupling agent that parts by weight are 5 parts, stirring is equal
It is even, obtain preparation liquid；Ludox and deionized water are pressed 1:10 mass ratios are uniformly admixed together, are then heated to 55 DEG C, with
500r/min rotating speeds stir 20min, then add the potassium peroxydisulfate of acidic silicasol quality 0.51%, under 90 DEG C, 1.2MPa pressure
40min is stirred with 500r/min rotating speeds, pH to 4.5 is then adjusted using sulfuric acid solution, obtains acidic silicasol solution；It will preparation
Liquid presses 1 with acidic silicasol solution:2 volume ratios uniformly after mixing, then add the alkyd of acidic silicasol solution quality 10% again
Resin, under 88 DEG C, 5.2MPa pressure with 3000r/min rotating speeds stirring 2 it is small when to get.
3. a kind of solid wood furniture surface hydrophobicity method of modifying as claimed in claim 2, which is characterized in that the coupling agent is to have
Machine silane coupling agent.
A kind of 4. solid wood furniture surface hydrophobicity method of modifying as claimed in claim 2, which is characterized in that the sulfuric acid solution matter
It is 8.5% to measure fraction.
A kind of 5. solid wood furniture surface hydrophobicity method of modifying as described in claim 1, which is characterized in that the Ludox-first
The base hydrophobic impregnating agent of trimethoxy silane -ol acid resin is 1000mL with solid wood furniture timber mixed proportion：800g.
A kind of 6. solid wood furniture surface hydrophobicity method of modifying as described in claim 1, which is characterized in that the vacuum impregnation tank
Interior vacuum degree is 0.031MPa.
A kind of 7. solid wood furniture surface hydrophobicity method of modifying as described in claim 1, which is characterized in that the vacuum impregnation tank
Interior dipping temperature is 55 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393497.8A CN108068182A (en) | 2017-12-21 | 2017-12-21 | A kind of solid wood furniture surface hydrophobicity method of modifying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393497.8A CN108068182A (en) | 2017-12-21 | 2017-12-21 | A kind of solid wood furniture surface hydrophobicity method of modifying |
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| CN108068182A true CN108068182A (en) | 2018-05-25 |
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| CN201711393497.8A Pending CN108068182A (en) | 2017-12-21 | 2017-12-21 | A kind of solid wood furniture surface hydrophobicity method of modifying |
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| CN109773926A (en) * | 2019-01-16 | 2019-05-21 | 华南农业大学 | A kind of wood bamboo material and preparation method thereof with super-hydrophobic fungus-proof antisepsis coating |
| CN111546451A (en) * | 2020-04-20 | 2020-08-18 | 安徽信达家居有限公司 | Post-processing treatment process for outdoor wooden furniture |
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| CN109773926B (en) * | 2019-01-16 | 2021-01-01 | 华南农业大学 | Wood and bamboo material with super-hydrophobic mildew-proof anticorrosive coating and preparation method thereof |
| CN111546451A (en) * | 2020-04-20 | 2020-08-18 | 安徽信达家居有限公司 | Post-processing treatment process for outdoor wooden furniture |
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