CN105694508A - Environment-friendly antibacterial wood product and preparation method thereof - Google Patents
Environment-friendly antibacterial wood product and preparation method thereof Download PDFInfo
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- CN105694508A CN105694508A CN201610151311.7A CN201610151311A CN105694508A CN 105694508 A CN105694508 A CN 105694508A CN 201610151311 A CN201610151311 A CN 201610151311A CN 105694508 A CN105694508 A CN 105694508A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention relates to an environment-friendly antibacterial wood product and a preparation method thereof. The wood product is prepared from 60-100 parts of wood fiber, 20-50 part of bamboo fiber, 2-5 parts of chitosan, 2-5 parts of tourmaline powder, 2-5 parts of nanometer zinc oxide powder, 0.5-2 parts of vinyl trimethoxy silane, 3-5 parts of methylcellulose, 3-5 parts of sodium silicate, 3-5 parts of nanometer calcium oxide, 5-15 parts of adhesive, 0.5-2 parts of nonylphenol polyoxyethylene ether, 3-5 parts of activated carbon powder and 3-5 parts of modified zeolite powder. The wood product contains the activated carbon powder and the modified zeolite powder which have the formaldehyde purifying effect, and the formaldehyde release amount of the wood product is reduced; meanwhile, the chitosan, the tourmaline powder and the nanometer zinc oxide powder in the formula all have the antibacterial effect, so that the wood product is the novel low-toxicity environment-friendly antibacterial artificial fiber wood product. In addition, the wood product is high in mechanical property, good in elasticity modulus and capable of being widely applied to furniture and indoor decoration.
Description
Technical field
The invention belongs to wood technologies field, relate to a kind of fiber woodwork and preparation method thereof, in particular to a kind of environment-friendly antibacterial woodwork and preparation method thereof。
Background technology
Along with the raising of people's living standard, it is lived people or the finishing of office, the places such as movable it is also proposed higher requirement, not only require elegant in appearance, modish fashion, naturally succinctly, but also require health environment-friendly。And at present, the fibre board overwhelming majority that China produces adopts Lauxite, formaldehyde and carbamide mix by certain mol proportion and react generation Lauxite。Common Lauxite is adopted to remain free formaldehyde as in the fibre board sheet material of adhesive, endanger the healthy of people, the nasal mucosa of human body, retina, respiratory tract and liver are had stimulation by formaldehyde, work in the environment of high-concentration formaldehyde content and live for a long time, there will be the formaldehyde poisoning symptoms such as allergy, dizziness, fatiguability, vomiting, severe patient can cause a disease, even carcinogenic。Form aldehyde release essentially from: 1. in Lauxite end reaction free formaldehyde;2. in resin, unstable molecule releases again formaldehyde in hot pressing or sheet material use procedure。
Fibered wood species common in the market, its burst size of methanal major part can reach Standard, and (calendar year 2001, country put into effect regulation in " the Form aldehyde release limitation in indoor hardware fitting wood-based plate and goods thereof " GBl8580 200l, free formaldehyde release≤1.5mg/L, can be directly used for indoor, the finishing material of free formaldehyde release≤5.0mg/L has to pass through facing could be used for indoor), but have the release of pest, household, office, the finishing material used by place such as movable or articles for use, such as floor, furniture, wallpaper, variola, Wood-door window, coating etc., although the nuisance release of each product can reach Standard, but several finishing materials are used in same site space together, the nuisance jointly discharged is it is possible to greatly exceed GB, this is by the health of serious threat numerous people。
Negative oxygen ion, owing to it is structurally similar to ultra-oxygen anion free radical (O2-), therefore has similar biological activity, it is possible to make the biological cell lived electronegative, so that virus loses the attacking ability to cell。Such as, in artificial air's anion environment, in air, mycete, bacterial population can reduce by more than 90% after measured。After negative oxygen ion is inhaled into human body, neural excitatory state can be regulated, improve the ventilatory of lung, improve blood circulation, enhance metabolism, strengthen immune system ability, make in high spirits, the raising work efficiency of people etc., the numerous diseases such as hypertension, asthma, influenza, insomnia, arthritis are also had certain therapeutical effect by it, so people claims anion to be " vitamin in air " " long-lived element "。
Therefore, produce a kind of environmental protection, almost without residual formaldehyde amount, anti-bacterial fibre woodwork that nuisance content is low, healthy critically important to protection people。
Summary of the invention
The present invention provides a kind of environment-friendly antibacterial woodwork, comprises wood fiber 60-100 part, bamboo fibre 20-50 part, chitosan 2-5 part, tourmaline powder 2-5 part, nano zinc oxide powder 2-5 part, vinyltrimethoxy silane 0.5-2 part, methylcellulose 3-5 part, sodium silicate 3-5 part, nano calcium oxide 3-5 part, adhesive 5-15 part, NPE 0.5-2 part, activated carbon powder 3-5 part, modified zeolite powder 3-5 part。
In one specific embodiment of the present invention, described environment-friendly antibacterial woodwork comprises the wood fiber 80 parts, bamboo fibre 40 parts, chitosan 4 parts, tourmaline powder 3 parts, nano zinc oxide powder 3 parts, vinyltrimethoxy silane 2.5 parts, methylcellulose 3.5 parts, sodium silicate 4 parts, nano calcium oxide 4 parts, adhesive 10 parts, NPE 1 part, activated carbon powder 4 parts, modified zeolite powder 4 parts。
In one specific embodiment of the present invention, described environment-friendly antibacterial woodwork comprises the wood fiber 65 parts, bamboo fibre 25 parts, chitosan 2.5 parts, tourmaline powder 3 parts, nano zinc oxide powder 3 parts, vinyltrimethoxy silane 1 part, methylcellulose 4 parts, sodium silicate 3.5 parts, nano calcium oxide 3 parts, adhesive 6 parts, NPE 1.5 parts, activated carbon powder 3.5 parts, modified zeolite powder 4.5 parts。
In one specific embodiment of the present invention, described environment-friendly antibacterial woodwork comprises the wood fiber 90 parts, bamboo fibre 45 parts, chitosan 4.5 parts, tourmaline powder 3 parts, nano zinc oxide powder 3 parts, vinyltrimethoxy silane 1.5 parts, methylcellulose 4.5 parts, sodium silicate 4 parts, nano calcium oxide 5 parts, adhesive 14 parts, NPE 2 parts, activated carbon powder 5 parts, modified zeolite powder 4 parts。
In one specific embodiment of the present invention, wherein said adhesive is modified urea-formaldehyde resin, and its preparation method includes:
1) by disposable for formaldehyde input reactor, add ammonia and adjust pH to be 7.0-7.5, add polyvinyl alcohol and first time carbamide, be heated to 60-80 DEG C, insulation reaction 30-60min;
2) add second time carbamide and first time tripolycyanamide, be heated to 80-90 DEG C, insulation reaction 30-60min;
3) add ammonia and adjust pH=7.5-8.0, add second time tripolycyanamide in 80-90 DEG C of insulation reaction 30-60min;
4) it is cooled to 60-70 DEG C, adds third time carbamide, insulation reaction 30-60min;It is subsequently adding Oxytarch, insulation reaction 30-60min;It is cooled to 50-55 DEG C, adds nano silicon, stir, be cooled to less than 45 DEG C, discharging, obtain modified urea-formaldehyde resin。
In one specific embodiment of the present invention, the weight ratio of first time carbamide, second time carbamide and third time carbamide is 4:3:3。
In one specific embodiment of the present invention, the weight ratio of first time tripolycyanamide and second time tripolycyanamide is 2:1。
In one specific embodiment of the present invention, the weight ratio of formaldehyde, carbamide, tripolycyanamide, polyvinyl alcohol, Oxytarch and nano silicon is than for 60-90:40-60:5-10:3-5:1-3:3-5, it is preferred to 80:50:8:4:2:4。
In one specific embodiment of the present invention, the preparation process of described modified zeolite powder includes: adds stirring 30-60min in concentrated nitric acid solution with natural zeolite powder, filters;Add stirring 30-60min in hydrogen peroxide, filter;Then zeolite adopts syllogic gradient calcine, and concrete calcination operation is: (a) carries out calcining 30-60min at 500 DEG C;B () is warmed up to 800 DEG C with the heating rate of 8-12 DEG C/min, and 30-60min is calcined in insulation at such a temperature;C () is warmed up to 1200 DEG C with the heating rate of 5-8 DEG C/min, and 30-60min is calcined in insulation at such a temperature, and calcining naturally cools to room temperature, to obtain final product after terminating。
In one specific embodiment of the present invention, the preparation method of described lumber fibre includes: the residue that timber or timber are processed is sent into conveyer chain by (1), enters drum chipper and is whittled into sheet, obtains wood chip;
(2) utilize magnet arrangement, remove the metal object being mixed in wood chip, screen wood chip by screening machine, remove chip, and over-sized chips is separated, obtain uniform wood chip, wood chip is carried out by the equipment that washes with water, removes the mudstone contained by wood chip, sand and other impurity;
(3) steaming and decocting: the wood chip obtained in step (2) is put into vertical steaming and decocting cylinder and carries out steaming and decocting, in vertical steaming and decocting cylinder, wood chip is steaming and decocting softening under the saturated vapor that temperature is 130-140 DEG C, and digestion time is 4-6 minute;
(4) applying wax defibrator process: put on by liquid wax on the wood chip after steaming and decocting, applying wax amount is the 0.5%-1% of the wood chip weight after steaming and decocting;Then with defibrator, wood chip is ground, makes wood chip be separated into fiber in the abrasive disc of high speed rotating, obtain the fibre stuff containing paraffin, obtain the wood fiber。
The wood fiber of the present invention, bamboo fibre, adhesive (modified modified Lauxite), modified zeolite powder also can adopt the known method of this area to prepare。
The preparation method that another aspect of the present invention relates to described environment-friendly antibacterial woodwork, comprises the steps:
(1) by the wood fiber, bamboo fibre, chitosan, sodium silicate, methylcellulose mix homogeneously, mixed slurry is obtained;
(2) the same vinyltrimethoxy silane of above-mentioned mixed slurry, adhesive, NPE mix, and add tourmaline powder, nano zinc oxide powder, nano calcium oxide, activated carbon powder and modified zeolite powder after drying, and molding of mating formation obtains slab;
(3) by slab hot pressing, hot pressing temperature is 180-200 DEG C, hot pressing time 20-40min, and hot pressing pressure is 4~6MPa;
(4) fibre board after hot pressing is carried out cutting edge process, carries out plate facing sand light, to obtain final product。
In the present invention, weight portion can convert arbitrary unit of weight to。
The woodwork of the present invention is expanded on further below in conjunction with specific embodiment。
Detailed description of the invention
Embodiment 1: the preparation of a kind of environment-friendly antibacterial woodwork
Ingredient bags is containing the wood fiber 80 parts, bamboo fibre 40 parts, chitosan 4 parts, tourmaline powder 3 parts, nano zinc oxide powder 3 parts, vinyltrimethoxy silane 2.5 parts, methylcellulose 3.5 parts, sodium silicate 4 parts, nano calcium oxide 4 parts, adhesive 10 parts, NPE 1 part, activated carbon powder 4 parts, modified zeolite powder 4 parts;
Wherein said adhesive is modified urea-formaldehyde resin, and its preparation method includes: 1) by disposable for formaldehyde input reactor, adds ammonia and adjusts pH to be 7.5, adds polyvinyl alcohol and first time carbamide, is heated to 70 DEG C, insulation reaction 60min;2) add second time carbamide and first time tripolycyanamide, be heated to 80 DEG C, insulation reaction 50min;3) add ammonia and adjust pH=8.0, add second time tripolycyanamide in 85 DEG C of insulation reaction 50min;4) it is cooled to 65 DEG C, adds third time carbamide, insulation reaction 50min;It is subsequently adding Oxytarch, insulation reaction 50min;It is cooled to 53 DEG C, adds nano silicon, stir, be cooled to less than 45 DEG C, discharging, obtain modified urea-formaldehyde resin;
Wherein the weight ratio of first time carbamide, second time carbamide and third time carbamide is 4:3:3;The weight ratio of formaldehyde, carbamide, tripolycyanamide, polyvinyl alcohol, Oxytarch and nano silicon is than for 80:50:8:4:2:4;
The preparation process of described modified zeolite powder includes: adds stirring 50min in concentrated nitric acid solution with natural zeolite powder, filters;Add stirring 50min in hydrogen peroxide, filter;Then zeolite adopts syllogic gradient calcine, and concrete calcination operation is: (a) carries out calcining 60min at 500 DEG C;B () is warmed up to 800 DEG C with the heating rate of 8 DEG C/min, and 60min is calcined in insulation at such a temperature;C () is warmed up to 1200 DEG C with the heating rate of 8 DEG C/min, and 60min is calcined in insulation at such a temperature, and calcining naturally cools to room temperature, to obtain final product after terminating;
The preparation of fibered wood species comprises the steps:
(1) by the wood fiber, bamboo fibre, chitosan, sodium silicate, methylcellulose mix homogeneously, mixed slurry is obtained;
(2) the same vinyltrimethoxy silane of above-mentioned mixed slurry, adhesive, NPE mix, and add tourmaline powder, nano zinc oxide powder, nano calcium oxide, activated carbon powder and modified zeolite powder after drying, and molding of mating formation obtains slab;
(3) by slab hot pressing, hot pressing temperature is 190 DEG C, hot pressing time 30min, and hot pressing pressure is 5MPa;
(4) fibre board after hot pressing is carried out cutting edge process, carries out plate facing sand light, to obtain final product。
Embodiment 2: the preparation of a kind of environment-friendly antibacterial woodwork
Ingredient bags is containing the wood fiber 65 parts, bamboo fibre 25 parts, chitosan 2.5 parts, tourmaline powder 3 parts, nano zinc oxide powder 3 parts, vinyltrimethoxy silane 1 part, methylcellulose 4 parts, sodium silicate 3.5 parts, nano calcium oxide 3 parts, adhesive 6 parts, NPE 1.5 parts, activated carbon powder 3.5 parts, modified zeolite powder 4.5 parts;
Other are with embodiment 1。
Embodiment 3: the preparation of a kind of environment-friendly antibacterial woodwork
Ingredient bags is containing the wood fiber 90 parts, bamboo fibre 45 parts, chitosan 4.5 parts, tourmaline powder 3 parts, nano zinc oxide powder 3 parts, vinyltrimethoxy silane 1.5 parts, methylcellulose 4.5 parts, sodium silicate 4 parts, nano calcium oxide 5 parts, adhesive 14 parts, NPE 2 parts, activated carbon powder 5 parts, modified zeolite powder 4 parts;
Adhesive is commercially available modified urea-formaldehyde resin, and modified zeolite is also commercially available prod;
Other are with embodiment 1。
Embodiment 4: the preparation of a kind of environment-friendly antibacterial woodwork
Ingredient bags is containing the wood fiber 65 parts, bamboo fibre 25 parts, chitosan 2.5 parts, tourmaline powder 3 parts, nano zinc oxide powder 3 parts, vinyltrimethoxy silane 1 part, methylcellulose 4 parts, sodium silicate 3.5 parts, nano calcium oxide 3 parts, adhesive 6 parts, NPE 1.5 parts, activated carbon powder 3.5 parts, modified zeolite powder 4.5 parts;
Wherein said adhesive is modified urea-formaldehyde resin, and its preparation method includes: 1) by disposable for formaldehyde input reactor, adds ammonia and adjusts pH to be 7.5, adds polyvinyl alcohol and first time carbamide, is heated to 70 DEG C, insulation reaction 60min;2) add second time carbamide and first time tripolycyanamide, be heated to 80 DEG C, insulation reaction 50min;3) add ammonia and adjust pH=8.0, add second time tripolycyanamide in 85 DEG C of insulation reaction 50min;4) it is cooled to 65 DEG C, adds third time carbamide, insulation reaction 50min;It is subsequently adding Oxytarch, insulation reaction 50min, is cooled to less than 45 DEG C, discharging, obtain modified urea-formaldehyde resin;
Other are with embodiment 1。
Embodiment 5: the preparation of a kind of environment-friendly antibacterial woodwork
Ingredient bags is containing the wood fiber 90 parts, bamboo fibre 45 parts, chitosan 4.5 parts, tourmaline powder 3 parts, nano zinc oxide powder 3 parts, vinyltrimethoxy silane 1.5 parts, methylcellulose 4.5 parts, sodium silicate 4 parts, nano calcium oxide 5 parts, adhesive 14 parts, NPE 2 parts, activated carbon powder 5 parts, modified zeolite powder 4 parts;
The preparation process of described modified zeolite powder includes: adds stirring 50min in concentrated nitric acid solution with natural zeolite powder, filters;Add stirring 50min in hydrogen peroxide, filter;Then at 1000 DEG C, zeolite being calcined 180min, calcining naturally cools to room temperature, to obtain final product after terminating;
Other are with embodiment 1。
Comparative example 1: the preparation of a kind of environment-friendly antibacterial woodwork
Ingredient bags is containing the wood fiber 80 parts, bamboo fibre 40 parts, tourmaline powder 3 parts, nano zinc oxide powder 3 parts, vinyltrimethoxy silane 2.5 parts, methylcellulose 3.5 parts, sodium silicate 4 parts, nano calcium oxide 4 parts, adhesive 10 parts, NPE 1 part, activated carbon powder 4 parts, modified zeolite powder 4 parts;
Other are with embodiment 1。
Comparative example 2: the preparation of a kind of environment-friendly antibacterial woodwork
Ingredient bags is containing the wood fiber 80 parts, bamboo fibre 40 parts, chitosan 4 parts, vinyltrimethoxy silane 2.5 parts, sodium silicate 4 parts, nano calcium oxide 4 parts, adhesive 10 parts, NPE 1 part, activated carbon powder 4 parts, modified zeolite powder 4 parts;
Other are with embodiment 1。
Comparative example 3: the preparation of a kind of environment-friendly antibacterial woodwork
Ingredient bags is containing the wood fiber 80 parts, bamboo fibre 40 parts, chitosan 4 parts, vinyltrimethoxy silane 2.5 parts, methylcellulose 3.5 parts, sodium silicate 4 parts, nano calcium oxide 4 parts, adhesive 10 parts, activated carbon powder 4 parts, modified zeolite powder 4 parts;
Other are with embodiment 1。
Embodiment 6: performance test
Measuring embodiment of the present invention 1-5 and the comparative example 1-3 density of woodwork, internal bond strength, MOR and the burst size of methanal prepared, result is in Table 1。
Table 1 the performance test results of the present invention
Data in table 1 show, embodiment of the present invention 1-5 burst size of methanal is low, reach E0 standard, woodwork internal bond strength of the present invention and MOR high, it was shown that the woodwork of the present invention has stronger mechanical performance;Embodiment 1-2 adopts specific method to prepare modified urea-formaldehyde resin and modified zeolite, and its performance is better than embodiment 3-5;And after comparative example 1-3 eliminates chitosan, methylcellulose and NPE respectively, property indices all declines。
Claims (10)
1. an environment-friendly antibacterial woodwork, comprises wood fiber 60-100 part, bamboo fibre 20-50 part, chitosan 2-5 part, tourmaline powder 2-5 part, nano zinc oxide powder 2-5 part, vinyltrimethoxy silane 0.5-2 part, methylcellulose 3-5 part, sodium silicate 3-5 part, nano calcium oxide 3-5 part, adhesive 5-15 part, NPE 0.5-2 part, activated carbon powder 3-5 part, modified zeolite powder 3-5 part。
2. environment-friendly antibacterial woodwork according to claim 1, comprises the wood fiber 80 parts, bamboo fibre 40 parts, chitosan 4 parts, tourmaline powder 3 parts, nano zinc oxide powder 3 parts, vinyltrimethoxy silane 2.5 parts, methylcellulose 3.5 parts, sodium silicate 4 parts, nano calcium oxide 4 parts, adhesive 10 parts, NPE 1 part, activated carbon powder 4 parts, modified zeolite powder 4 parts。
3. environment-friendly antibacterial woodwork according to claim 1, comprises the wood fiber 65 parts, bamboo fibre 25 parts, chitosan 2.5 parts, tourmaline powder 3 parts, nano zinc oxide powder 3 parts, vinyltrimethoxy silane 1 part, methylcellulose 4 parts, sodium silicate 3.5 parts, nano calcium oxide 3 parts, adhesive 6 parts, NPE 1.5 parts, activated carbon powder 3.5 parts, modified zeolite powder 4.5 parts。
4. environment-friendly antibacterial woodwork according to claim 1, comprises the wood fiber 90 parts, bamboo fibre 45 parts, chitosan 4.5 parts, tourmaline powder 3 parts, nano zinc oxide powder 3 parts, vinyltrimethoxy silane 1.5 parts, methylcellulose 4.5 parts, sodium silicate 4 parts, nano calcium oxide 5 parts, adhesive 14 parts, NPE 2 parts, activated carbon powder 5 parts, modified zeolite powder 4 parts。
5. environment-friendly antibacterial woodwork according to claim 1, wherein said adhesive is modified urea-formaldehyde resin, and its preparation method includes:
1) by disposable for formaldehyde input reactor, add ammonia and adjust pH to be 7.0-7.5, add polyvinyl alcohol and first time carbamide, be heated to 60-80 DEG C, insulation reaction 30-60min;
2) add second time carbamide and first time tripolycyanamide, be heated to 80-90 DEG C, insulation reaction 30-60min;
3) add ammonia and adjust pH=7.5-8.0, add second time tripolycyanamide in 80-90 DEG C of insulation reaction 30-60min;
4) it is cooled to 60-70 DEG C, adds third time carbamide, insulation reaction 30-60min;It is subsequently adding Oxytarch, insulation reaction 30-60min;It is cooled to 50-55 DEG C, adds nano silicon, stir, be cooled to less than 45 DEG C, discharging, obtain modified urea-formaldehyde resin。
6. environment-friendly antibacterial woodwork according to claim 5, wherein the weight ratio of first time carbamide, second time carbamide and third time carbamide is 4:3:3。
7. environment-friendly antibacterial woodwork according to claim 5, wherein the weight ratio of formaldehyde, carbamide, tripolycyanamide, polyvinyl alcohol, Oxytarch and nano silicon is than for 60-90:40-60:5-10:3-5:1-3:3-5。
8. environment-friendly antibacterial woodwork according to claim 1, the preparation process of wherein said modified zeolite powder includes: adds stirring 30-60min in concentrated nitric acid solution with natural zeolite powder, filters;Add stirring 30-60min in hydrogen peroxide, filter;Then zeolite adopts syllogic gradient calcine, and concrete calcination operation is: (a) carries out calcining 30-60min at 500 DEG C;B () is warmed up to 800 DEG C with the heating rate of 8-12 DEG C/min, and 30-60min is calcined in insulation at such a temperature;C () is warmed up to 1200 DEG C with the heating rate of 5-8 DEG C/min, and 30-60min is calcined in insulation at such a temperature;Calcining naturally cools to room temperature, to obtain final product after terminating。
9. the preparation method of the environment-friendly antibacterial woodwork according to any one of claim 1-8, comprises the steps:
(1) by the wood fiber, bamboo fibre, chitosan, sodium silicate, methylcellulose mix homogeneously, mixed slurry is obtained;
(2) the same vinyltrimethoxy silane of above-mentioned mixed slurry, adhesive, NPE mix, and add tourmaline powder, nano zinc oxide powder, nano calcium oxide, activated carbon powder and modified zeolite powder after drying, and molding of mating formation obtains slab;
(3) by slab hot pressing, hot pressing temperature is 180-200 DEG C, hot pressing time 20-40min, and hot pressing pressure is 4-6MPa;
(4) fibre board after hot pressing is carried out cutting edge process, carries out plate facing sand light, to obtain final product。
10. the application in furniture, interior door and interior decoration of the environment-friendly antibacterial woodwork according to any one of claim 1-8。
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