CN116619505B - Fireproof and mildew-proof treatment method for wood surface - Google Patents
Fireproof and mildew-proof treatment method for wood surface Download PDFInfo
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- CN116619505B CN116619505B CN202310783001.7A CN202310783001A CN116619505B CN 116619505 B CN116619505 B CN 116619505B CN 202310783001 A CN202310783001 A CN 202310783001A CN 116619505 B CN116619505 B CN 116619505B
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- wood
- proof
- mildew
- fireproof
- zinc oxide
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- 239000002023 wood Substances 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 19
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 64
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 34
- 239000010452 phosphate Substances 0.000 claims abstract description 34
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 33
- 239000011787 zinc oxide Substances 0.000 claims abstract description 32
- 238000005507 spraying Methods 0.000 claims abstract description 25
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002253 acid Substances 0.000 claims abstract description 19
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 12
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 239000003973 paint Substances 0.000 claims abstract description 8
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 26
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 24
- 239000006185 dispersion Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 20
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 20
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 19
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 17
- 239000000839 emulsion Substances 0.000 claims description 15
- 239000003822 epoxy resin Substances 0.000 claims description 15
- 229920000647 polyepoxide Polymers 0.000 claims description 15
- 238000007605 air drying Methods 0.000 claims description 13
- 238000009210 therapy by ultrasound Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 8
- 229920000877 Melamine resin Polymers 0.000 claims description 8
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 229960001124 trientine Drugs 0.000 claims description 8
- 229940058020 2-amino-2-methyl-1-propanol Drugs 0.000 claims description 7
- 239000004593 Epoxy Substances 0.000 claims description 7
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 7
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 7
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 claims description 7
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 7
- 229920000058 polyacrylate Polymers 0.000 claims description 7
- 229920002545 silicone oil Polymers 0.000 claims description 7
- 230000000475 sunscreen effect Effects 0.000 claims description 7
- 239000000516 sunscreening agent Substances 0.000 claims description 7
- YICOVXASQKWWDU-UHFFFAOYSA-N ethanol;3-triethoxysilylpropan-1-amine Chemical compound CCO.CCO[Si](OCC)(OCC)CCCN YICOVXASQKWWDU-UHFFFAOYSA-N 0.000 claims description 6
- 238000003760 magnetic stirring Methods 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 238000001291 vacuum drying Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 239000010875 treated wood Substances 0.000 claims description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 238000004381 surface treatment Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract description 4
- MTEZSDOQASFMDI-UHFFFAOYSA-N 1-trimethoxysilylpropan-1-ol Chemical compound CCC(O)[Si](OC)(OC)OC MTEZSDOQASFMDI-UHFFFAOYSA-N 0.000 abstract description 2
- 238000007306 functionalization reaction Methods 0.000 abstract description 2
- 238000001802 infusion Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 5
- 239000003063 flame retardant Substances 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010907 mechanical stirring Methods 0.000 description 3
- 150000003014 phosphoric acid esters Chemical class 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004841 bisphenol A epoxy resin Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- -1 phosphate ester Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010876 untreated wood Substances 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
- 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
- B27K3/007—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process employing compositions comprising nanoparticles
-
- 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
- B27K3/0228—Spraying apparatus, e.g. tunnels
-
- 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
- B27K3/025—Controlling the process
-
- 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
- B27K3/22—Compounds of zinc or copper
-
- 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
-
- 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
- B27K3/36—Aliphatic compounds
-
- 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
- B27K3/38—Aromatic compounds
-
- 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
-
- 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
-
- 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
- B27K2240/30—Fireproofing
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a fireproof and mildew-proof treatment method for a wood surface, and belongs to the technical field of wood functionalization treatment. The method for processing the fireproof and mildew-proof wood surface comprises the steps of firstly carrying out vacuum pressurizing infusion processing on wood by using a 3-aminopropyl triethoxysilane solution, then carrying out surface processing on nano zinc oxide by using a 3-glycidol ether oxypropyl trimethoxysilane solution, then preparing acid phosphate by using phosphoric acid and pentaerythritol for reaction, finally preparing fireproof and mildew-proof paint, and carrying out spraying processing on the wood by using the paint. The treatment method provided by the invention not only can obviously improve the fireproof and mildew-proof properties of the wood, but also can improve the fireproof and mildew-proof stability of the wood, and has obvious economic value and social benefit.
Description
Technical Field
The invention belongs to the technical field of wood functionalization treatment, and particularly relates to a wood surface fireproof and mildew-proof treatment method.
Background
Wood is a material processed from lignified tissue formed by plant growth. The raw material production of the wood is renewable, the product manufacturing is low in energy consumption and pollution, the product is energy-saving and low in carbon, and the product is recycled, so that the wood has the advantages which are difficult to compare with other materials such as steel, cement and plastic, and is more widely applied to the fields of building, decoration, packaging, papermaking, energy sources and the like. The timber has the characteristics of light weight, high strength, heat preservation, heat insulation and the like, and is a building material which is deeply favored by people. However, wood is mainly composed of hydrocarbon elements, and lignocellulose is extremely vulnerable to fungi, so fire and mildew resistance of wood must be considered when the wood is applied in construction engineering.
Disclosure of Invention
The invention provides a fireproof and mildew-proof treatment method for the surface of wood, which aims at the defects of easy combustion and easy decay when the wood is used as a building material. The treatment method provided by the invention not only can obviously improve the fireproof and mildew-proof properties of the wood, but also can improve the fireproof and mildew-proof stability of the wood, and has obvious economic value and social benefit.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a process for preparing the fire-proof and mildew-proof paint on the surface of wood includes such steps as vacuum pressurizing the wood with 3-aminopropyl triethoxy silane solution, surface treating with 3-glycidoxy propyl trimethoxy silane solution, reacting with phosphoric acid and pentaerythritol to obtain acid phosphate, preparing fire-proof and mildew-proof paint, and spraying.
The fireproof and mildew-proof treatment method for the wood surface specifically comprises the following steps:
(1) Firstly placing the dried wood sample in an automatic vacuum pressurizing tank, vacuumizing to a vacuum degree of 0.01-0.09 MPa, maintaining the pressure for 30-60 min, then injecting a 2-8% 3-aminopropyl triethoxysilane ethanol solution, pressurizing to 0.4-1.2 MPa, maintaining the pressure for 30-60 min, releasing pressure, finally, continuously impregnating for 2-4 h under normal pressure, taking out the wood sample, and air-drying at 60 ℃ for 24h to obtain the 3-aminopropyl triethoxysilane modified wood sample;
(2) Firstly adding 20-60 g of nano zinc oxide into 200-1000 mL of toluene, carrying out ultrasonic treatment at room temperature for 30-60 min, then adding 5-30 g of 3-glycidoxypropyl trimethoxy silane, continuing ultrasonic treatment for 5-10 min, finally carrying out reflux reaction for 4-8 h under magnetic stirring, and carrying out separation, washing and vacuum drying to obtain the 3-glycidoxypropyl trimethoxy silane modified nano zinc oxide;
(3) Firstly, 10 to 50g of phosphoric acid and 10 to 100g of pentaerythritol are mechanically stirred at the temperature of 80 to 120 ℃ for 2 to 6 hours to prepare acid phosphate, then 10 to 100g of acid phosphate and 0.1 to 0.5g of 2-amino-2-methyl-1-propanol are sequentially added into 5 to 100mL of deionized water, stirring is carried out at a high speed for 1 to 2 hours at room temperature, finally, 1mol/L of ammonia water is added dropwise, and the pH value of the dispersion liquid is regulated to 7 to 8 to prepare phosphate dispersion liquid;
(4) Firstly, sequentially adding 5-30 g of 3-glycidoxypropyl trimethoxy silane modified nano zinc oxide, 10-30 g of melamine, 0.3-3 g of triethylamine and 0.7-7 g of triethylene tetramine into a phosphate dispersion liquid, stirring at a high speed at room temperature for 10-30 min, sequentially adding 20-100 g of bisphenol A type epoxy resin emulsion, 1-10 g of glycol, 0.2-2 g of hydroxyethyl cellulose, 0.5-5 g of organosilicon modified polyacrylate and 0.2-2 g of emulsified silicone oil, stirring at a high speed at room temperature for 1-2 h, and filtering by a 200-mesh sun screen to prepare the fireproof mildew-proof coating;
(5) The method comprises the steps of uniformly spraying a 3-aminopropyl triethoxysilane modified wood sample with a fireproof and mildew-proof coating, wherein the spraying pressure is 0.02-0.06 MPa, the spraying time is 5-10 s, then, air-drying the wood sample at 60 ℃ for 6-12 h, and finally, heat-treating the wood sample at 100-120 ℃ for 2-4 h to obtain the fireproof and mildew-proof treated wood.
The particle size of the nano zinc oxide is 10-20 nm.
The solid content of the bisphenol A type epoxy resin emulsion is 50 percent, and the epoxy value is 0.22.
The invention has the remarkable advantages that:
(1) According to the invention, firstly, 3-aminopropyl triethoxysilane solution is used for treating wood, amino groups are grafted on the surface of the wood, then 3-glycidol ether oxypropyl trimethoxy silane solution is used for treating nano zinc oxide, epoxy groups are grafted on the surface of the zinc oxide, and finally, under the action of a curing agent triethylene tetramine and a catalyst triethylamine, the amino groups on the surface of the wood, the epoxy groups of bisphenol A epoxy resin, the amino groups of melamine, the phosphorus hydroxyl groups of phosphate ester and the like are subjected to chemical reaction, so that the nano zinc oxide mildew inhibitor and the intumescent flame retardant are chemically bonded on the surface of the wood, and the problems of poor durability, easiness in peeling and the like of the nano zinc oxide mildew inhibitor and the intumescent flame retardant on the surface of the wood are solved.
(2) Because phosphoric acid and pentaerythritol are inexpensive, phosphoric acid esters are commonly used acid and carbon sources in intumescent flame retardants. However, the phosphate esters, which are usually obtained by directly reacting phosphoric acid with pentaerythritol, are acidic, and the direct addition of the acidic phosphate esters to bisphenol a type epoxy resin emulsions results in demulsification. Therefore, the pH value of the acid phosphate is firstly modulated to 7-8 by ammonia water to obtain the weak alkaline phosphate, so that the demulsification phenomenon is avoided.
(3) In the fireproof and mildew-proof coating, the solid particle size is nano-scale, and the solvent is water, so that the fireproof and mildew-proof coating prepared by the invention is a water-based transparent fireproof and mildew-proof coating, and meets the national requirements on environmental protection of the coating.
(4) The method for treating the surface of the wood, provided by the invention, not only can remarkably improve the fireproof and mildew-proof properties of the wood, but also can improve the fireproof and mildew-proof stability of the wood, the flame-resistant time before and after the untreated wood is soaked is 2min, the control efficiency is 0%, the flame-resistant time after the surface fireproof and mildew-proof treatment is 51-56 min and 43-47 min respectively, the control efficiency is 88-93% and 81-84% respectively, and the method has remarkable economic value and social benefit.
Detailed Description
The advantages of the method for treating the surface of wood with fire and mildew resistance in this embodiment and the effects thereof are further described below by way of several sets of examples and comparative examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
(1) Firstly placing a dried wood sample in an automatic vacuum pressurizing tank, vacuumizing to a vacuum degree of 0.05MPa, maintaining pressure for 45min, then injecting a 5% 3-aminopropyl triethoxysilane ethanol solution, pressurizing to 0.8MPa, maintaining pressure for 45min, releasing pressure, finally, continuously impregnating for 3h under normal pressure, taking out the wood sample, and air-drying at 60 ℃ for 24h to obtain a 3-aminopropyl triethoxysilane modified wood sample;
(2) Firstly, adding 40g of nano zinc oxide into 600mL of toluene, carrying out ultrasonic treatment at room temperature for 45min, then adding 18g of 3-glycidoxypropyl trimethoxy silane, continuing ultrasonic treatment for 8min, finally, carrying out reflux reaction for 6h under magnetic stirring, and carrying out separation, washing and vacuum drying to obtain the 3-glycidoxypropyl trimethoxy silane modified nano zinc oxide;
(3) Firstly, carrying out mechanical stirring reaction on 30g of phosphoric acid and 40g of pentaerythritol at 100 ℃ for 4 hours to obtain acid phosphate, then sequentially adding 50g of acid phosphate and 0.3g of 2-amino-2-methyl-1-propanol into 35mL of deionized water, stirring at a high speed at room temperature for 1.5 hours, and finally, dropwise adding 1mol/L of ammonia water, and regulating the pH value of a dispersion liquid to 7.5 to obtain a phosphate dispersion liquid;
(4) 15g of 3-glycidoxypropyl trimethoxy silane modified nano zinc oxide, 20g of melamine, 1.2g of triethylamine and 2.8g of triethylene tetramine are sequentially added into a phosphate dispersion liquid, stirred at a high speed at room temperature for 20min, 60g of bisphenol A type epoxy resin emulsion, 5g of ethylene glycol, 1g of hydroxyethyl cellulose, 2g of organosilicon modified polyacrylate and 1g of emulsified silicone oil are sequentially added, and the mixture is continuously stirred at a high speed at room temperature for 1.5h and filtered through a 200-mesh sun screen to prepare the fireproof mildew-proof coating;
(5) Firstly, uniformly spraying a 3-aminopropyl triethoxysilane modified wood sample with a fireproof mildew-proof coating, wherein the spraying pressure is 0.04MPa, the spraying time is 8s, then, air-drying the wood sample at 60 ℃ for 9h, and finally, heat-treating the wood sample at 110 ℃ for 3h to obtain the fireproof mildew-proof treated wood.
The particle size of the nano zinc oxide is 10-20 nm.
The solid content of the bisphenol A type epoxy resin emulsion is 50 percent, and the epoxy value is 0.22.
Example 2
(1) Firstly placing a dried wood sample in an automatic vacuum pressurizing tank, vacuumizing to a vacuum degree of 0.01MPa, maintaining the pressure for 30min, then injecting a 2% 3-aminopropyl triethoxysilane ethanol solution, pressurizing to 1.2MPa, maintaining the pressure for 30min, releasing pressure, finally, continuously impregnating for 4h under normal pressure, taking out the wood sample, and air-drying at 60 ℃ for 24h to obtain a 3-aminopropyl triethoxysilane modified wood sample;
(2) Firstly adding 20g of nano zinc oxide into 200mL of toluene, carrying out ultrasonic treatment at room temperature for 30min, then adding 5g of 3-glycidoxypropyl trimethoxy silane, continuing ultrasonic treatment for 5min, finally carrying out reflux reaction for 4h under magnetic stirring, and carrying out separation, washing and vacuum drying to obtain the 3-glycidoxypropyl trimethoxy silane modified nano zinc oxide;
(3) Firstly, 10g of phosphoric acid and 10g of pentaerythritol are mechanically stirred and react for 6 hours at 80 ℃ to prepare acid phosphate, then 10g of acid phosphate and 0.1g of 2-amino-2-methyl-1-propanol are sequentially added into 5mL of deionized water, stirring is carried out at room temperature for 1 hour at a high speed, finally, 1mol/L of ammonia water is dropwise added, and the pH value of the dispersion liquid is regulated to 7 to prepare phosphate dispersion liquid;
(4) Firstly, sequentially adding 5g of 3-glycidoxypropyl trimethoxy silane modified nano zinc oxide, 10g of melamine, 0.3g of triethylamine and 0.7g of triethylene tetramine into a phosphate dispersion, stirring at a high speed at room temperature for 10min, sequentially adding 20g of bisphenol A type epoxy resin emulsion, 1g of ethylene glycol, 0.2g of hydroxyethyl cellulose, 0.5g of organosilicon modified polyacrylate and 0.2g of emulsified silicone oil, continuously stirring at a high speed at room temperature for 1h, and filtering by a 200-mesh sun screen to obtain the fireproof mildew-proof coating;
(5) Firstly, uniformly spraying a 3-aminopropyl triethoxysilane modified wood sample with a fireproof mildew-proof coating, wherein the spraying pressure is 0.02MPa, the spraying time is 10s, then, air-drying the wood sample at 60 ℃ for 6h, and finally, heat-treating the wood sample at 100 ℃ for 4h to obtain the fireproof mildew-proof treated wood.
The particle size of the nano zinc oxide is 10-20 nm.
The solid content of the bisphenol A type epoxy resin emulsion is 50 percent, and the epoxy value is 0.22.
Example 3
(1) Firstly placing a dried wood sample in an automatic vacuum pressurizing tank, vacuumizing to a vacuum degree of 0.09MPa, maintaining pressure for 60min, then injecting a 3-aminopropyl triethoxysilane ethanol solution with the weight percentage of 8%, pressurizing to 0.4MPa, maintaining pressure for 60min, releasing pressure, finally, continuously impregnating for 2h under normal pressure, taking out the wood sample, and air-drying at 60 ℃ for 24h to obtain a 3-aminopropyl triethoxysilane modified wood sample;
(2) Firstly, 60g of nano zinc oxide is added into 1000mL of toluene, ultrasonic treatment is carried out at room temperature for 60min, then 30g of 3-glycidoxypropyl trimethoxy silane is added, ultrasonic treatment is continued for 10min, finally, reflux reaction is carried out for 8h under magnetic stirring, and 3-glycidoxypropyl trimethoxy silane modified nano zinc oxide is prepared through separation, washing and vacuum drying;
(3) Firstly, 50g of phosphoric acid and 100g of pentaerythritol are mechanically stirred and react for 2 hours at 120 ℃ to prepare acid phosphate, then 100g of acid phosphate and 0.5g of 2-amino-2-methyl-1-propanol are sequentially added into 100mL of deionized water, stirring is carried out at room temperature for 2 hours at a high speed, finally, 1mol/L ammonia water is added dropwise, and the pH value of the dispersion liquid is adjusted to 8 to prepare phosphate dispersion liquid;
(4) Firstly, sequentially adding 30g of 3-glycidoxypropyl trimethoxy silane modified nano zinc oxide, 30g of melamine, 3g of triethylamine and 7g of triethylene tetramine into a phosphate dispersion liquid, stirring at a high speed at room temperature for 30min, sequentially adding 100g of bisphenol A type epoxy resin emulsion, 10g of ethylene glycol, 2g of hydroxyethyl cellulose, 5g of organosilicon modified polyacrylate and 2g of emulsified silicone oil, continuously stirring at a high speed at room temperature for 2h, and filtering by a 200-mesh sun screen to obtain the fireproof mildew-proof coating;
(5) Firstly, uniformly spraying a 3-aminopropyl triethoxysilane modified wood sample with a fireproof mildew-proof coating, wherein the spraying pressure is 0.06MPa, the spraying time is 5s, then, air-drying the wood sample at 60 ℃ for 12h, and finally, heat-treating the wood sample at 120 ℃ for 2h to obtain the fireproof mildew-proof treated wood.
The particle size of the nano zinc oxide is 10-20 nm.
The solid content of the bisphenol A type epoxy resin emulsion is 50 percent, and the epoxy value is 0.22.
Comparative example 1
(1) Firstly, adding 40g of nano zinc oxide into 600mL of toluene, carrying out ultrasonic treatment at room temperature for 45min, then adding 18g of 3-glycidoxypropyl trimethoxy silane, continuing ultrasonic treatment for 8min, finally, carrying out reflux reaction for 6h under magnetic stirring, and carrying out separation, washing and vacuum drying to obtain the 3-glycidoxypropyl trimethoxy silane modified nano zinc oxide;
(2) Firstly, carrying out mechanical stirring reaction on 30g of phosphoric acid and 40g of pentaerythritol at 100 ℃ for 4 hours to obtain acid phosphate, then sequentially adding 50g of acid phosphate and 0.3g of 2-amino-2-methyl-1-propanol into 35mL of deionized water, stirring at a high speed at room temperature for 1.5 hours, and finally, dropwise adding 1mol/L of ammonia water, and regulating the pH value of a dispersion liquid to 7.5 to obtain a phosphate dispersion liquid;
(3) 15g of 3-glycidoxypropyl trimethoxy silane modified nano zinc oxide, 20g of melamine, 1.2g of triethylamine and 2.8g of triethylene tetramine are sequentially added into a phosphate dispersion liquid, stirred at a high speed at room temperature for 20min, 60g of bisphenol A type epoxy resin emulsion, 5g of ethylene glycol, 1g of hydroxyethyl cellulose, 2g of organosilicon modified polyacrylate and 1g of emulsified silicone oil are sequentially added, and the mixture is continuously stirred at a high speed at room temperature for 1.5h and filtered through a 200-mesh sun screen to prepare the fireproof mildew-proof coating;
(4) The method comprises the steps of uniformly spraying a fireproof and mildew-proof coating on a dried wood sample, wherein the spraying pressure is 0.04MPa, the spraying time is 8s, then, air-drying the wood sample at 60 ℃ for 9h, and finally, heat-treating the wood sample at 110 ℃ for 3h to obtain a finished product.
The particle size of the nano zinc oxide is 10-20 nm.
The solid content of the bisphenol A type epoxy resin emulsion is 50 percent, and the epoxy value is 0.22.
Comparative example 2
(1) Firstly placing a dried wood sample in an automatic vacuum pressurizing tank, vacuumizing to a vacuum degree of 0.05MPa, maintaining pressure for 45min, then injecting a 5% 3-aminopropyl triethoxysilane ethanol solution, pressurizing to 0.8MPa, maintaining pressure for 45min, releasing pressure, finally, continuously impregnating for 3h under normal pressure, taking out the wood sample, and air-drying at 60 ℃ for 24h to obtain a 3-aminopropyl triethoxysilane modified wood sample;
(2) Firstly, carrying out mechanical stirring reaction on 30g of phosphoric acid and 40g of pentaerythritol at 100 ℃ for 4 hours to obtain acid phosphate, then sequentially adding 50g of acid phosphate and 0.3g of 2-amino-2-methyl-1-propanol into 35mL of deionized water, stirring at a high speed at room temperature for 1.5 hours, and finally, dropwise adding 1mol/L of ammonia water, and regulating the pH value of a dispersion liquid to 7.5 to obtain a phosphate dispersion liquid;
(3) Firstly, sequentially adding 15g of nano zinc oxide, 20g of melamine, 1.2g of triethylamine and 2.8g of triethylene tetramine into a phosphate dispersion liquid, stirring at a high speed at room temperature for 20min, sequentially adding 60g of bisphenol A type epoxy resin emulsion, 5g of ethylene glycol, 1g of hydroxyethyl cellulose, 2g of organosilicon modified polyacrylate and 1g of emulsified silicone oil, continuously stirring at a high speed at room temperature for 1.5h, and filtering through a 200-mesh sun screen to prepare the fireproof mildew-proof coating;
(4) Firstly, uniformly spraying 3-aminopropyl triethoxy silane modified wood sample with fireproof and mildew-proof paint, wherein the spraying pressure is 0.04MPa, the spraying time is 8s, then, placing the wood sample at 60 ℃ for air drying for 9h, and finally, placing the wood sample at 110 ℃ for heat treatment for 3h to obtain a finished product.
The particle size of the nano zinc oxide is 10-20 nm.
The solid content of the bisphenol A type epoxy resin emulsion is 50 percent, and the epoxy value is 0.22.
The wood samples prepared in the three groups of examples and the two groups of comparative examples were soaked in deionized water at 80 ℃ for 30d, taken out, air-dried at 60 ℃ for 24h, subjected to flame-retardant time test according to GB 12441-2018, subjected to control efficacy test according to GB/T18261-2013, and the test results are shown in Table 1.
TABLE 1 Performance test results
As can be seen from the test results of the examples and the comparative examples, the fireproof and mildew-proof paint prepared by the invention can not only remarkably improve the fireproof and mildew-proof properties of wood, but also improve the fireproof and mildew-proof stability of wood when being used for spraying the wood.
While the foregoing description illustrates and describes the preferred embodiments of the present invention, as noted above, it is to be understood that the invention is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (3)
1. A method for processing the surface of wood by fire-proof and mould-proof features that the 3-aminopropyl triethoxy silane solution is used to make vacuum pressurizing and immersing treatment, the 3-glycidoxy propyl trimethoxy silane solution is used to make surface treatment on nano zinc oxide, phosphoric acid and pentaerythritol are used to react to obtain acid phosphate, and finally fire-proof and mould-proof paint is prepared and the paint is used to make spray coating treatment on wood; the method specifically comprises the following steps:
(1) Firstly placing the dried wood sample in an automatic vacuum pressurizing tank, vacuumizing to a vacuum degree of 0.01-0.09 MPa, maintaining the pressure for 30-60 min, then injecting a 2-8% 3-aminopropyl triethoxysilane ethanol solution, pressurizing to 0.4-1.2 MPa, maintaining the pressure for 30-60 min, releasing pressure, finally, continuously impregnating for 2-4 h under normal pressure, taking out the wood sample, and air-drying at 60 ℃ for 24h to obtain the 3-aminopropyl triethoxysilane modified wood sample;
(2) Firstly adding 20-60 g of nano zinc oxide into 200-1000 mL of toluene, carrying out ultrasonic treatment at room temperature for 30-60 min, then adding 5-30 g of 3-glycidoxypropyl trimethoxy silane, continuing ultrasonic treatment for 5-10 min, finally carrying out reflux reaction for 4-8 h under magnetic stirring, and carrying out separation, washing and vacuum drying to obtain the 3-glycidoxypropyl trimethoxy silane modified nano zinc oxide;
(3) Firstly, 10 to 50g of phosphoric acid and 10 to 100g of pentaerythritol are mechanically stirred at the temperature of 80 to 120 ℃ for 2 to 6 hours to prepare acid phosphate, then 10 to 100g of acid phosphate and 0.1 to 0.5g of 2-amino-2-methyl-1-propanol are sequentially added into 5 to 100mL of deionized water, stirring is carried out at a high speed for 1 to 2 hours at room temperature, finally, 1mol/L of ammonia water is added dropwise, and the pH value of the dispersion liquid is regulated to 7 to 8 to prepare phosphate dispersion liquid;
(4) Firstly, sequentially adding 5-30 g of 3-glycidoxypropyl trimethoxy silane modified nano zinc oxide, 10-30 g of melamine, 0.3-3 g of triethylamine and 0.7-7 g of triethylene tetramine into a phosphate dispersion liquid, stirring at a high speed at room temperature for 10-30 min, sequentially adding 20-100 g of bisphenol A type epoxy resin emulsion, 1-10 g of glycol, 0.2-2 g of hydroxyethyl cellulose, 0.5-5 g of organosilicon modified polyacrylate and 0.2-2 g of emulsified silicone oil, stirring at a high speed at room temperature for 1-2 h, and filtering by a 200-mesh sun screen to prepare the fireproof mildew-proof coating;
(5) The method comprises the steps of uniformly spraying a 3-aminopropyl triethoxysilane modified wood sample with a fireproof and mildew-proof coating, wherein the spraying pressure is 0.02-0.06 MPa, the spraying time is 5-10 s, then, air-drying the wood sample at 60 ℃ for 6-12 h, and finally, heat-treating the wood sample at 100-120 ℃ for 2-4 h to obtain the fireproof and mildew-proof treated wood.
2. The method for fireproof and mildewproof treatment of the wood surface according to claim 1, wherein the particle size of the nano zinc oxide is 10-20 nm.
3. The method for fire-proof and mildew-proof treatment of wood surface according to claim 1, wherein the bisphenol a type epoxy resin emulsion has a solid content of 50% and an epoxy value of 0.22.
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