CN109079941A - A kind of fire-retardant mildew-proof treatment method of bamboo wood - Google Patents
A kind of fire-retardant mildew-proof treatment method of bamboo wood Download PDFInfo
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- CN109079941A CN109079941A CN201811013609.7A CN201811013609A CN109079941A CN 109079941 A CN109079941 A CN 109079941A CN 201811013609 A CN201811013609 A CN 201811013609A CN 109079941 A CN109079941 A CN 109079941A
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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
- B27K3/0207—Pretreatment of wood before 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
- B27K3/02—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
- B27K3/02—Processes; Apparatus
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
- B27K3/10—Apparatus
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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
- B27K3/52—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
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/003—Treating of wood not provided for in groups B27K1/00, B27K3/00 by using electromagnetic radiation or mechanical waves
- B27K5/004—Gamma-radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/003—Treating of wood not provided for in groups B27K1/00, B27K3/00 by using electromagnetic radiation or mechanical waves
- B27K5/0065—Ultrasonic treatment
-
- 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
- B27K5/0085—Thermal treatments, i.e. involving chemical modification of wood at temperatures well over 100°C
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
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- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
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Abstract
The invention discloses a kind of fire-retardant mildew-proof treatment methods of bamboo wood, comprising: bamboo wood is carried out gamma-rays processing, is then added to the water and is ultrasonically treated to obtain pre-treatment bamboo wood；Pre-treatment bamboo wood is added in impregnating autoclave, maceration extract is added, being evacuated to pressure is -0.05~-0.09MPa, then release after pressure maintaining 20-35min is forced into 3-5MPa, pressure maintaining 30-60min, cleans after release, is dried to obtain dipping bamboo wood；Wherein, the raw material of the maceration extract includes: sodium metasilicate, sodium aluminate, copper-loaded montmorillonite, contains boron fire retardant preservative, ammonium polyphosphate, composite plant essential oil, propiconazole, chitosan and nano-titanium dioxide；Dipping bamboo wood is heat-treated.The fire-retardant mildew-proof treatment method of bamboo wood proposed by the present invention, process is simple, can significantly improve the fungicidal properties and flame retardant property of bamboo wood.
Description
Technical field
The present invention relates to Technology of Bamboo field more particularly to a kind of fire-retardant mildew-proof treatment methods of bamboo wood.
Background technique
Bamboo has the characteristics that tough and tensile, resistance to compression, tension as important one of the forest reserves, and there are also grow fast, production
Big, from a wealth of sources, cheap advantage is measured, has been widely used at present.But bamboo wood is as a kind of high molecular material, in
Cellulose, hemicellulose and lignin are contained in portion, cause bamboo wood easy firing, there is kindling hidden danger, while its in use
Mildew and mycocriny easily occur in wet environment, seriously constrains the development and utilization of bamboo wood.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of fire-retardant mildew-proof treatment method of bamboo wood,
Process is simple, can significantly improve the fungicidal properties and flame retardant property of bamboo wood.
A kind of fire-retardant mildew-proof treatment method of bamboo wood proposed by the present invention, comprising the following steps:
S1, bamboo wood is subjected to gamma-rays processing, is then added to the water and is ultrasonically treated to obtain pre-treatment bamboo wood；
S2, pre-treatment bamboo wood is added in impregnating autoclave, maceration extract is added, being evacuated to pressure is -0.05~-0.09MPa,
Then release after pressure maintaining 20-35min is forced into 3-5MPa, pressure maintaining 30-60min, clean after release, be dried to obtain dipping bamboo wood；
Wherein, the raw material of the maceration extract includes: sodium metasilicate, sodium aluminate, copper-loaded montmorillonite, contains boron fire retardant preservative, ammonium polyphosphate, compound plant
Object essential oil, propiconazole, chitosan and nano-titanium dioxide；
S3, dipping bamboo wood is heat-treated.
Preferably, in S1, the irradiation dose of the gamma-rays processing is 30-45kGy.
Preferably, in S1, the power of the ultrasonic treatment is 1300-1380W, time 30-55min.
Preferably, in S2, the volume ratio of pre-treatment bamboo wood and maceration extract is 1:3-5.
Preferably, in S2, in maceration extract, the mass fraction of sodium metasilicate is 2-3%, and the mass fraction of sodium aluminate is 1-
2.8%, the mass fraction of copper-loaded montmorillonite is 0.2-1%, and the mass fraction containing boron fire retardant preservative is 3-5.6%, ammonium polyphosphate
Mass fraction is 2-4.5%, and the mass fraction of composite plant essential oil is 1-2%, and the mass fraction of propiconazole is 0.05-1.4%,
The mass fraction of chitosan is 0.1-0.5%, and the mass fraction of nano-titanium dioxide is 0.1-0.8%.
Preferably, prepared by the following technique of boracic fire retardant: by Cyanuric Chloride, 2- thienyl boric acid, carbonic acid
Potassium solution and palladium catalyst are uniformly mixed, and 70-80 DEG C is warming up under the protection of nitrogen, react 100-180min, and filtering is steamed
It evaporates, through the isolated material A of chromatographic column；Material A is mixed with acetone, the pH value of regulation system is 5-6, is added at 0-3 DEG C
Kaempferol reacts 100-200min, stands, washs, being dried to obtain material B；It is under the protection of nitrogen, tetrahydrofuran is different with two
The mixing of propyl amine, is added butyl lithium after being cooled to -70 DEG C~-80 DEG C, stir 10-20min, and the tetrahydrofuran that material B is added is molten
Liquid stirs 30-50min, and triisopropyl borate ester is added, reacts 2-3h at -70 DEG C~-80 DEG C, stirs 5- after being warming up to room temperature
8h is added hydrochloric acid and stirs 30-50min after distillation, be filtered, washed, be dried to obtain it is described containing boron fire retardant preservative.
Preferably, Cyanuric Chloride, 2- thienyl boric acid molar ratio be 1:1-2；Material A, the molar ratio of Kaempferol are 1:1-
2；Diisopropylamine, butyl lithium, material B, triisopropyl borate ester molar ratio be 3-6:3-5:0.5-1.2:5-6.
Preferably, in S2, the composite plant essential oil is litsea citrate oil, eucalyptus oil, fennel oil, camphorated oil, peppermint oil
Mixture, and the weight ratio of litsea citrate oil, eucalyptus oil, fennel oil, camphorated oil, peppermint oil be 2-10:1-3:2-4:3-6:2-
11。
Preferably, in S3, the temperature of heat treatment is 180-200 DEG C, time 50-90min.
The fire-retardant mildew-proof treatment method of bamboo wood of the present invention, has carried out gamma-rays processing for bamboo wood first, in high energy electricity
Under the action of sub- ray, ionization and chemical action occur for the microbial cell interstitial in bamboo wood, to make microbial cell
Death has changed simultaneously the character of starch in bamboo wood, has been broken polysaccharide chain, generates dextrin fragment, reduces the content of starch, breaks
Nutrition needed for being broken bacterial growth, improves the mildew resistance of bamboo wood, while reduces the free hydroxyl in cell, reduces pair
The absorption of outside water molecule, it is suppressed that the growth of mould；It is ultrasonically treated later, it, will using the cavitation of ultrasonic wave
The pit membrane of bamboo wood punctures, and pit is made to become larger, and makes gamma-rays treated that starch is easier to flow out, while improving the infiltration of pit
Permeability makes maceration extract be easier to penetrate into during subsequent impregnation；In the raw material of maceration extract, silicic acid specifically joined
Sodium, copper-loaded montmorillonite, contains boron fire retardant preservative, ammonium polyphosphate, composite plant essential oil, propiconazole, chitosan and nano-silica at sodium aluminate
Change titanium cooperation and be used as raw material, assigns treated bamboo wood excellent mildew resistance and anti-flammability；In preparation process containing boron fire retardant preservative,
Using Cyanuric Chloride, 2- thienyl boric acid as raw material, under the action of palladium catalyst, reaction condition is controlled, Cyanuric Chloride, 2- thiophene are made
Boric acid is reacted, and thiophene has been introduced into Cyanuric Chloride and has obtained material A；After material A is mixed with Kaempferol, Kaempferol
Substitution reaction further has occurred with chlorine remaining in material A, Kaempferol has been introduced into molecule, has obtained material B, later
Material B is reacted under the action of diisopropylamine, butyl lithium, triisopropyl borate ester, has been obtained containing boron fire retardant preservative,
After sodium metasilicate, sodium aluminate, ammonium polyphosphate cooperation, during bamboo wood burning, it has been formed simultaneously in bamboo material surface fine and close, hard
Solid inoranic membrane and B-O-C carbon-coating, play the role of heat-insulated, oxygen barrier and inhibit fuel gas evolution, while producing big
Non-flammable gases are measured, the concentration of oxygen in air is diluted, significantly improves the anti-flammability of bamboo wood；It is introduced in its molecule simultaneously
Kaempferol structure has synergistic effect with copper-loaded montmorillonite, composite plant essential oil, propiconazole, chitosan and nano-titanium dioxide,
Inhibit bamboo processing, in storage and transportational process mould growth, assign system excellent mildew resistance；Hydro-thermal has been carried out later
Processing, accelerates the degradation of cellulose in bamboo wood, hemicellulose, reduces the polar group in bamboo wood, further reduced bamboo
The water imbibition of material, improves the stability of bamboo wood, while further improving the mould proof ability of maceration extract.
To the fire-retardant mildew-proof treatment method of bamboo wood of the present invention, treated that bamboo wood carries out performance detection, and limit oxygen refers to
Number is 41% or more, to the preventing efficiencies of various moulds 98.3% or more；By treated, bamboo wood is placed in temperature as 20-
22 DEG C, humidity be 95% closed container in, 85 days rear surfaces without mildew situation.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of fire-retardant mildew-proof treatment method of bamboo wood proposed by the present invention, comprising the following steps:
S1, bamboo wood is subjected to gamma-rays processing, is then added to the water and is ultrasonically treated to obtain pre-treatment bamboo wood；
S2, pre-treatment bamboo wood is added in impregnating autoclave, maceration extract is added, being evacuated to pressure is -0.09MPa, pressure maintaining
Then release after 20min is forced into 5MPa, pressure maintaining 30min, clean after release, be dried to obtain dipping bamboo wood；Wherein, the leaching
The raw material of stain liquid includes: sodium metasilicate, sodium aluminate, copper-loaded montmorillonite, contains boron fire retardant preservative, ammonium polyphosphate, composite plant essential oil, the third ring
Azoles, chitosan and nano-titanium dioxide；
S3, dipping bamboo wood is heat-treated.
Embodiment 2
A kind of fire-retardant mildew-proof treatment method of bamboo wood proposed by the present invention, comprising the following steps:
S1, bamboo wood is subjected to gamma-rays processing, is then added to the water and is ultrasonically treated to obtain pre-treatment bamboo wood；
S2, pre-treatment bamboo wood is added in impregnating autoclave, maceration extract is added, being evacuated to pressure is -0.05MPa, pressure maintaining
Then release after 35min is forced into 3MPa, pressure maintaining 60min, clean after release, be dried to obtain dipping bamboo wood；Wherein, the leaching
The raw material of stain liquid includes: sodium metasilicate, sodium aluminate, copper-loaded montmorillonite, contains boron fire retardant preservative, ammonium polyphosphate, composite plant essential oil, the third ring
Azoles, chitosan and nano-titanium dioxide；
S3, dipping bamboo wood is heat-treated.
Embodiment 3
A kind of fire-retardant mildew-proof treatment method of bamboo wood proposed by the present invention, comprising the following steps:
S1, bamboo wood is subjected to gamma-rays processing, is then added to the water and is ultrasonically treated to obtain pre-treatment bamboo wood；
S2, pre-treatment bamboo wood is added in impregnating autoclave, maceration extract is added, being evacuated to pressure is -0.08MPa, pressure maintaining
Then release after 25min is forced into 4.2MPa, pressure maintaining 38min, clean after release, be dried to obtain dipping bamboo wood；Wherein, described
The raw material of maceration extract includes: sodium metasilicate, sodium aluminate, copper-loaded montmorillonite, contains boron fire retardant preservative, ammonium polyphosphate, composite plant essential oil, third
Ring azoles, chitosan and nano-titanium dioxide；
S3, dipping bamboo wood is heat-treated；
Wherein, in S1, the irradiation dose of the gamma-rays processing is 30kGy；
In S1, the power of the ultrasonic treatment is 1380W, time 30min；
In S2, the volume ratio of pre-treatment bamboo wood and maceration extract is 1:3；
In S2, in maceration extract, the mass fraction of sodium metasilicate is 3%, and the mass fraction of sodium aluminate is 1%, and copper-loaded cover takes off
The mass fraction of soil is 1%, and the mass fraction containing boron fire retardant preservative is 3%, and the mass fraction of ammonium polyphosphate is 4.5%, compound plant
The mass fraction of object essential oil is 1%, and the mass fraction of propiconazole is 1.4%, and the mass fraction of chitosan is 0.1%, nanometer two
The mass fraction of titanium oxide is 0.8%；
It is prepared by the following technique of boracic fire retardant: by Cyanuric Chloride, 2- thienyl boric acid, solution of potassium carbonate and
Palladium catalyst is uniformly mixed, and 70 DEG C are warming up under the protection of nitrogen, reacts 180min, and filtering, distillation are chromatographed post separation and obtained
To material A；Material A is mixed with acetone, the pH value of regulation system is 5, and Kaempferol is added at 3 DEG C, reacts 100min, quiet
It sets, wash, being dried to obtain material B；Under the protection of nitrogen, tetrahydrofuran is mixed with diisopropylamine, after being cooled to -80 DEG C
Butyl lithium is added, stirs 10min, the tetrahydrofuran solution of material B is added, stirs 50min, triisopropyl borate ester is added, -70
React 3h at DEG C, stir 5h after being warming up to room temperature, hydrochloric acid is added after distillation and stirs 50min, be filtered, washed, be dried to obtain it is described
Containing boron fire retardant preservative；Wherein, Cyanuric Chloride, 2- thienyl boric acid molar ratio be 1:1；Material A, the molar ratio of Kaempferol are 1:2；Two
Isopropylamine, butyl lithium, material B, triisopropyl borate ester molar ratio be 3:5:0.5:6；
In S2, the composite plant essential oil is the mixing of litsea citrate oil, eucalyptus oil, fennel oil, camphorated oil, peppermint oil
Object, and the weight ratio of litsea citrate oil, eucalyptus oil, fennel oil, camphorated oil, peppermint oil is 2:3:2:6:2；
In S3, the temperature of heat treatment is 180 DEG C, time 90min.
Embodiment 4
A kind of fire-retardant mildew-proof treatment method of bamboo wood proposed by the present invention, comprising the following steps:
S1, bamboo wood is subjected to gamma-rays processing, is then added to the water and is ultrasonically treated to obtain pre-treatment bamboo wood；
S2, pre-treatment bamboo wood is added in impregnating autoclave, maceration extract is added, being evacuated to pressure is -0.06MPa, pressure maintaining
Then release after 32min is forced into 3.5MPa, pressure maintaining 50min, clean after release, be dried to obtain dipping bamboo wood；Wherein, described
The raw material of maceration extract includes: sodium metasilicate, sodium aluminate, copper-loaded montmorillonite, contains boron fire retardant preservative, ammonium polyphosphate, composite plant essential oil, third
Ring azoles, chitosan and nano-titanium dioxide；
S3, dipping bamboo wood is heat-treated；
Wherein, in S1, the irradiation dose of the gamma-rays processing is 45kGy；
In S1, the power of the ultrasonic treatment is 1300W, time 55min；
In S2, the volume ratio of pre-treatment bamboo wood and maceration extract is 1:5；
In S2, in maceration extract, the mass fraction of sodium metasilicate is 2%, and the mass fraction of sodium aluminate is 2.8%, copper-loaded illiteracy
The mass fraction for taking off soil is 0.2%, and the mass fraction containing boron fire retardant preservative is 5.6%, and the mass fraction of ammonium polyphosphate is 2%, multiple
The mass fraction for closing plants essential oil is 2%, and the mass fraction of propiconazole is 0.05%, and the mass fraction of chitosan is 0.5%, is received
The mass fraction of rice titanium dioxide is 0.1%；
It is prepared by the following technique of boracic fire retardant: by Cyanuric Chloride, 2- thienyl boric acid, solution of potassium carbonate and
Palladium catalyst is uniformly mixed, and 80 DEG C are warming up under the protection of nitrogen, reacts 100min, and filtering, distillation are chromatographed post separation and obtained
To material A；Material A is mixed with acetone, the pH value of regulation system is 6, and Kaempferol is added at 0 DEG C, reacts 200min, quiet
It sets, wash, being dried to obtain material B；Under the protection of nitrogen, tetrahydrofuran is mixed with diisopropylamine, after being cooled to -70 DEG C
Butyl lithium is added, stirs 20min, the tetrahydrofuran solution of material B is added, stirs 30min, triisopropyl borate ester is added, -80
React 2h at DEG C, stir 8h after being warming up to room temperature, hydrochloric acid is added after distillation and stirs 30min, be filtered, washed, be dried to obtain it is described
Containing boron fire retardant preservative；Wherein, Cyanuric Chloride, 2- thienyl boric acid molar ratio be 1:2；Material A, the molar ratio of Kaempferol are 1:1；Two
Isopropylamine, butyl lithium, material B, triisopropyl borate ester molar ratio be 6:3:1.2:5；
In S2, the composite plant essential oil is the mixing of litsea citrate oil, eucalyptus oil, fennel oil, camphorated oil, peppermint oil
Object, and the weight ratio of litsea citrate oil, eucalyptus oil, fennel oil, camphorated oil, peppermint oil is 10:1:4:3:11；
In S3, the temperature of heat treatment is 200 DEG C, time 50min.
Embodiment 5
A kind of fire-retardant mildew-proof treatment method of bamboo wood proposed by the present invention, comprising the following steps:
S1, bamboo wood is subjected to gamma-rays processing, is then added to the water and is ultrasonically treated to obtain pre-treatment bamboo wood；
S2, pre-treatment bamboo wood is added in impregnating autoclave, maceration extract is added, being evacuated to pressure is -0.07MPa, pressure maintaining
Then release after 28min is forced into 4MPa, pressure maintaining 50min, clean after release, be dried to obtain dipping bamboo wood；Wherein, the leaching
The raw material of stain liquid includes: sodium metasilicate, sodium aluminate, copper-loaded montmorillonite, contains boron fire retardant preservative, ammonium polyphosphate, composite plant essential oil, the third ring
Azoles, chitosan and nano-titanium dioxide；
S3, dipping bamboo wood is heat-treated；
Wherein, in S1, the irradiation dose of the gamma-rays processing is 42kGy；
In S1, the power of the ultrasonic treatment is 1350W, time 42min；
In S2, the volume ratio of pre-treatment bamboo wood and maceration extract is 1:4；
In S2, in maceration extract, the mass fraction of sodium metasilicate is 2.8%, and the mass fraction of sodium aluminate is 2%, copper-loaded illiteracy
The mass fraction for taking off soil is 0.7%, and the mass fraction containing boron fire retardant preservative is 5%, and the mass fraction of ammonium polyphosphate is 4%, compound
The mass fraction of plants essential oil is 1.5%, and the mass fraction of propiconazole is 1%, and the mass fraction of chitosan is 0.3%, nanometer
The mass fraction of titanium dioxide is 0.5%；
It is prepared by the following technique of boracic fire retardant: by Cyanuric Chloride, 2- thienyl boric acid, solution of potassium carbonate and
Palladium catalyst is uniformly mixed, and 75 DEG C are warming up under the protection of nitrogen, reacts 120min, and filtering, distillation are chromatographed post separation and obtained
To material A；Material A is mixed with acetone, the pH value of regulation system is 5, and Kaempferol is added at 2 DEG C, reacts 150min, quiet
It sets, wash, being dried to obtain material B；Under the protection of nitrogen, tetrahydrofuran is mixed with diisopropylamine, after being cooled to -75 DEG C
Butyl lithium is added, stirs 15min, the tetrahydrofuran solution of material B is added, stirs 40min, triisopropyl borate ester is added, -75
2.5h is reacted at DEG C, stirs 7h after being warming up to room temperature, and hydrochloric acid is added after distillation and stirs 40min, is filtered, washed, is dried to obtain institute
It states containing boron fire retardant preservative；Wherein, Cyanuric Chloride, 2- thienyl boric acid molar ratio be 1:1.5；Material A, the molar ratio of Kaempferol are 1:
1.5；Diisopropylamine, butyl lithium, material B, triisopropyl borate ester molar ratio be 5:4:1:5.5；
In S2, the composite plant essential oil is the mixing of litsea citrate oil, eucalyptus oil, fennel oil, camphorated oil, peppermint oil
Object, and the weight ratio of litsea citrate oil, eucalyptus oil, fennel oil, camphorated oil, peppermint oil is 7:2:3:5:7；
In S3, the temperature of heat treatment is 190 DEG C, time 60min.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of fire-retardant mildew-proof treatment method of bamboo wood, which comprises the following steps:
S1, bamboo wood is subjected to gamma-rays processing, is then added to the water and is ultrasonically treated to obtain pre-treatment bamboo wood；
S2, pre-treatment bamboo wood is added in impregnating autoclave, maceration extract is added, being evacuated to pressure is -0.05~-0.09MPa, pressure maintaining
Then release after 20-35min is forced into 3-5MPa, pressure maintaining 30-60min, clean after release, be dried to obtain dipping bamboo wood；Its
In, the raw material of the maceration extract includes: sodium metasilicate, sodium aluminate, copper-loaded montmorillonite, contains boron fire retardant preservative, ammonium polyphosphate, composite plant
Essential oil, propiconazole, chitosan and nano-titanium dioxide；
S3, dipping bamboo wood is heat-treated.
2. the fire-retardant mildew-proof treatment method of bamboo wood according to claim 1, which is characterized in that in S1, at the gamma-rays
The irradiation dose of reason is 30-45kGy.
3. the fire-retardant mildew-proof treatment method of bamboo wood according to claim 1 or claim 2, which is characterized in that in S1, at the ultrasound
The power of reason is 1300-1380W, time 30-55min.
4. the fire-retardant mildew-proof treatment method of bamboo wood described in any one of -3 according to claim 1, which is characterized in that preceding in S2
The volume ratio for handling bamboo wood and maceration extract is 1:3-5.
5. the fire-retardant mildew-proof treatment method of bamboo wood described in any one of -4 according to claim 1, which is characterized in that in S2, leaching
In stain liquid, the mass fraction of sodium metasilicate is 2-3%, and the mass fraction of sodium aluminate is 1-2.8%, the mass fraction of copper-loaded montmorillonite
For 0.2-1%, the mass fraction containing boron fire retardant preservative is 3-5.6%, and the mass fraction of ammonium polyphosphate is 2-4.5%, composite plant
The mass fraction of essential oil is 1-2%, and the mass fraction of propiconazole is 0.05-1.4%, and the mass fraction of chitosan is 0.1-
0.5%, the mass fraction of nano-titanium dioxide is 0.1-0.8%.
6. the fire-retardant mildew-proof treatment method of bamboo wood described in any one of -5 according to claim 1, which is characterized in that the boracic resistance
Combustion agent is prepared according to following technique: Cyanuric Chloride, 2- thienyl boric acid, solution of potassium carbonate and palladium catalyst is uniformly mixed,
It is warming up to 70-80 DEG C under the protection of nitrogen, reacts 100-180min, filtering, distillation, through the isolated material A of chromatographic column；It will
Material A is mixed with acetone, and the pH value of regulation system is 5-6, and Kaempferol is added at 0-3 DEG C, reacts 100-200min, stand,
It washs, be dried to obtain material B；Under the protection of nitrogen, tetrahydrofuran is mixed with diisopropylamine, is cooled to -70 DEG C~-80
Butyl lithium is added after DEG C, stirs 10-20min, the tetrahydrofuran solution of material B is added, stirs 30-50min, it is different that boric acid three is added
Propyl ester reacts 2-3h at -70 DEG C~-80 DEG C, stirs 5-8h after being warming up to room temperature, and hydrochloric acid is added after distillation and stirs 30-
50min, be filtered, washed, be dried to obtain it is described containing boron fire retardant preservative.
7. the fire-retardant mildew-proof treatment method of bamboo wood according to claim 6, which is characterized in that Cyanuric Chloride, 2- thienyl boric acid
Molar ratio be 1:1-2；Material A, the molar ratio of Kaempferol are 1:1-2；Diisopropylamine, butyl lithium, material B, boric acid three are different
The molar ratio of propyl ester is 3-6:3-5:0.5-1.2:5-6.
8. the fire-retardant mildew-proof treatment method of bamboo wood described in any one of -7 according to claim 1, which is characterized in that in S2, institute
State the mixture that composite plant essential oil is litsea citrate oil, eucalyptus oil, fennel oil, camphorated oil, peppermint oil, and litsea citrate oil, folium eucalypti
Oil, fennel oil, camphorated oil, peppermint oil weight ratio be 2-10:1-3:2-4:3-6:2-11.
9. the fire-retardant mildew-proof treatment method of bamboo wood described in any one of -8 according to claim 1, which is characterized in that in S3, heat
The temperature of processing is 180-200 DEG C, time 50-90min.
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