CN113305962B - Anti-corrosion and anti-cracking agent for bamboo and wood artware and preparation method thereof - Google Patents
Anti-corrosion and anti-cracking agent for bamboo and wood artware and preparation method thereof Download PDFInfo
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- CN113305962B CN113305962B CN202110743265.0A CN202110743265A CN113305962B CN 113305962 B CN113305962 B CN 113305962B CN 202110743265 A CN202110743265 A CN 202110743265A CN 113305962 B CN113305962 B CN 113305962B
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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
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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
- B27K9/00—Chemical or physical treatment of reed, straw, or similar material
- B27K9/002—Cane, bamboo
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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
- B27K2240/00—Purpose of the treatment
- B27K2240/20—Removing fungi, molds or insects
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- Wood Science & Technology (AREA)
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Abstract
The invention discloses an anticorrosive anti-cracking agent for bamboo and wood artware and a preparation method thereof, wherein the anticorrosive anti-cracking agent for the bamboo and wood artware comprises the following components in percentage by mass: 5-8% of metal compound, 0.5-1.5% of isothiazolinone compound, 15-24% of benzimidazole compound, 10-20% of castor oil, 20-30% of organic solvent, 2-4% of surfactant and the balance of water. The anticorrosion and anti-cracking agent for the bamboo and wood artware prepared by the invention can be suitable for bamboo and wood in various indoor and outdoor environments, has excellent anticorrosion, anti-cracking and anti-moth properties, has broad-spectrum antibacterial activity, has good inhibition capability on fungi, bacteria and mould, prolongs the service life of the bamboo and wood artware, has simple preparation process, low toxicity, high efficiency and low cost, is suitable for large-scale production, and has better application prospect and market prospect.
Description
Technical Field
The invention belongs to the technical field of preparation of bamboo wood anticorrosion anti-cracking agents, and particularly relates to an anticorrosion anti-cracking agent for bamboo wood artware and a preparation method thereof.
Background
The area, the storage amount and the bamboo industry output value of bamboo forest are at the top of the world in China, and the bamboo artware export country with the largest quality in the world is also the leading level in the world no matter the output or the quality of the bamboo artware. The bamboo wood has straight grains, elegant color and luster, and tough material, has a plurality of excellent characteristics of hard broad-leaved trees, is an ideal material for various artworks at present, but because natural bamboo wood is rich in organic substances such as saccharides, fat, protein, cellulose, lignin and the like, the phenomena of mould breeding, mildew corrosion, worm damage, cracking and the like are easy to occur, the attractiveness of the bamboo wood artworks is seriously influenced, the service life of the bamboo wood artworks is shortened, and the requirements of the market on the attractiveness and the functionality of the bamboo wood artworks are difficult to meet. Therefore, how to carry out the corrosion prevention and insect prevention of the bamboo and wood artware is generally emphasized by various fields.
At present, the corrosion prevention of bamboo wood and bamboo products is mainly divided into two main types: the first method is a physical method, such as an ultrasonic method, a steaming method, an infrared heating method, a microwave method and the like; the second method is a chemical method, which mainly uses chemical agents to effectively kill pests and mould in the bamboo and wood. The physical method has the main characteristics of low toxicity, small environmental pollution, poor sterilization and disinsection effects and high cost; the chemical method is the most common bamboo and wood material anticorrosion method, and has the main characteristics of good anticorrosion effect, long effective period and no damage to the physical and chemical characteristics of bamboo and wood, but has the defects that the preservative can leak and seep out to cause pollution in the production and use processes, and chemical agents are easy to generate toxicity and environmental pollution and even harm the health of human beings. Because the traditional preservative has a plurality of defects, people are forced to research and search novel preservatives which are low in toxicity, good in preservative effect, free of environmental pollution and low in cost.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an anti-corrosion and anti-cracking agent for bamboo and wood artware and a preparation method thereof. The anti-corrosion and anti-cracking agent for the bamboo and wood artware can be suitable for bamboo and wood in various indoor and outdoor environments, has excellent anti-corrosion, anti-cracking and anti-moth performance, broad-spectrum antibacterial activity, good inhibition capacity on fungi, bacteria and mould, prolonged service life of the bamboo and wood artware, simple preparation process, low toxicity, high efficiency, low cost, suitability for large-scale production, and better application prospect and market prospect.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention relates to an anticorrosive anti-cracking agent for bamboo and wood artware, which comprises the following components in percentage by mass:
5-8% of metal compound, 0.5-1.5% of isothiazolinone compound, 15-24% of benzimidazole compound, 10-20% of castor oil, 20-30% of organic solvent, 2-4% of surfactant and the balance of water.
More preferably, the metal compound is 7%, the isothiazolinone compound is 1%, the benzimidazole compound is 21%, the castor oil is 15%, the organic solvent is 30%, the surfactant is 4%, and the balance is water.
The metal compound is formed by mixing copper acetate and copper chloride, and the components have equal mass.
The isothiazolinone compound consists of at least one of benzisothiazolin-3-one, 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one, and if the number of the benzisothiazolin-3-one is multiple, the mass of each component is equal.
The benzimidazole compound consists of benomyl and thiophanate-methyl, and the mass ratio of each component is 1: 1.
the organic solvent is formed by mixing one or more of methanol, isopropanol and acetone, and if the organic solvent is multiple, the mass of each component is equal.
The surfactant is formed by mixing one or more of sodium dodecyl benzene sulfonate, linear alkyl benzene sulfonate, sodium lauryl sulfate, lignosulfonate and fatty alcohol-polyoxyethylene ether sodium sulfate, and if the surfactant is multiple, the components have equal mass.
The invention relates to a preparation method of an anticorrosive anti-cracking agent for bamboo and wood artware, which comprises the following steps:
step 1: preparation of the Mixed solution
Dissolving isothiazolinone compounds formed according to the proportion in an organic solvent, slowly adding castor oil, and adding a surfactant while stirring to completely dissolve the isothiazolinone compounds to prepare a mixed solution;
And 2, step: preparation of metal complexes
Adding a metal compound, a surfactant and a certain amount of water which are prepared according to a ratio into a reaction kettle, stirring until the metal compound, the surfactant and the water are completely dissolved, slowly adding a benzimidazole compound dissolved in an organic solvent, and stirring for about 1 hour at 40-50 ℃ to prepare a metal complex;
and 3, step 3: preparation of anti-corrosion and anti-cracking agent for bamboo and wood artware
And (3) adding the mixed solution obtained in the step (1) into the metal complex obtained in the step (2), and uniformly stirring to prepare the anti-corrosion and anti-cracking agent for the bamboo and wood artware.
And (3) using a surfactant in the step (1) and the step (2), wherein the addition amount of the surfactant in the formula is defined as the total addition amount of the surfactant in the two steps, and the addition amount of the surfactant in the step (1) is equal to that in the step (2).
Organic solvents are added in the step 1 and the step 2, the addition amount of the organic solvents in the formula is limited to be the total addition amount of the organic solvents in the two steps, and the addition amount ratio of the organic solvents in the step 1 to the step 2 is 1: 2.
compared with the prior art, the invention has the beneficial effects that:
the anti-corrosion and anti-cracking agent for the bamboo and wood artware can be suitable for bamboo and wood in various indoor and outdoor environments, has excellent anti-corrosion, anti-cracking and anti-moth performance, has good inhibiting effect on bamboo and wood rotting fungi white rot fungi (Coriolus versicolor) and brown rot fungi (Fomitopsis cinerea), prolongs the service life of the bamboo and wood artware, has simple preparation process, low toxicity, high efficiency and low cost, is suitable for large-scale production, and has better application prospect and market prospect.
Detailed Description
The above and additional features and advantages of the present invention are described in more detail below.
Example 1: preparation 1
The anti-corrosion and anti-cracking agent for the bamboo and wood craft in the embodiment comprises the following components in percentage by mass:
7% of metal compound, 1% of isothiazolinone compound, 21% of benzimidazole compound, 15% of castor oil, 30% of organic solvent, 4% of surfactant and the balance of water.
The metal compound is formed by mixing copper acetate and copper chloride, and the mass of each component is equal. The isothiazolinone compound is formed by mixing benzisothiazolin-3-one, 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one, and the components are equal in mass. The benzimidazole compound consists of benomyl and thiophanate-methyl, and the mass of each component is 1: 1. the organic solvent is acetone. The surfactant is formed by mixing linear alkyl benzene sodium sulfonate, sodium lauryl sulfate and lignosulfonate, and the components are equal in mass.
The preparation method of the anti-corrosion anti-cracking agent for the bamboo and wood artware comprises the following steps:
step 1: preparation of the Mixed solution
Dissolving isothiazolinone compounds formed according to the proportion in an organic solvent, slowly adding castor oil, and adding a surfactant while stirring to completely dissolve the isothiazolinone compounds to prepare a mixed solution;
and 2, step: preparation of metal complexes
Adding a metal compound, a surfactant and a certain amount of water which are prepared according to a ratio into a reaction kettle, stirring until the metal compound, the surfactant and the water are completely dissolved, slowly adding a benzimidazole compound dissolved in an organic solvent, and stirring for 1 hour at 50 ℃ to prepare a metal complex;
and step 3: preparation of anti-corrosion anti-cracking agent for bamboo and wood artware
And adding the prepared mixed solution into the metal complex, and uniformly stirring to prepare the anti-corrosion and anti-cracking agent for bamboo and wood artware.
Example 2: preparation 2
The anti-corrosion and anti-cracking agent for the bamboo and wood artware in the embodiment comprises the following components in percentage by mass:
6% of metal compound, 0.8% of isothiazolinone compound, 18% of benzimidazole compound, 17% of castor oil, 25% of organic solvent, 3% of surfactant and the balance of water.
The metal compound is formed by mixing copper acetate and copper chloride, and the components have equal mass. The isothiazolinone compound is formed by mixing 5-chloro-2-methyl-4-isothiazolinone-3-ketone and 2-methyl-4-isothiazolinone-3-ketone, and the components are equal in mass. The benzimidazole compound consists of benomyl and thiophanate-methyl, and the mass of each component is 1: 1. the organic solvent is formed by mixing methanol and isopropanol, and the components have equal mass. The surfactant is formed by mixing fatty alcohol-polyoxyethylene ether sodium sulfate, lauryl alcohol sodium sulfate and lignosulfonate, and the components are equal in mass.
The invention relates to a preparation method of an anticorrosive anti-cracking agent for bamboo and wood artware, which comprises the following steps:
step 1: preparation of the Mixed solution
Dissolving isothiazolinone compounds formed according to the proportion in an organic solvent, slowly adding castor oil, and adding a surfactant while stirring to completely dissolve the isothiazolinone compounds to prepare a mixed solution;
and 2, step: preparation of metal complexes
Adding a metal compound, a surfactant and a certain amount of water which are prepared according to a ratio into a reaction kettle, stirring until the metal compound, the surfactant and the water are completely dissolved, slowly adding a benzimidazole compound dissolved in an organic solvent, and stirring for 1 hour at 45 ℃ to prepare a metal complex;
and step 3: preparation of anti-corrosion anti-cracking agent for bamboo and wood artware
And adding the prepared mixed solution into the metal complex, and uniformly stirring to prepare the anti-corrosion and anti-cracking agent for bamboo and wood artware.
Example 3: preparation 3
The anti-corrosion and anti-cracking agent for the bamboo and wood artware in the embodiment comprises the following components in percentage by mass:
5% of metal compound, 0.9% of isothiazolinone compound, 15% of benzimidazole compound, 17% of castor oil, 28% of organic solvent, 2.8% of surfactant and the balance of water.
The metal compound is formed by mixing copper acetate and copper chloride, and the components have equal mass. The isothiazolinone compound is formed by mixing benzisothiazolin-3-one and 2-methyl 4-isothiazoline 3-one, and the components are equal in mass. The benzimidazole compound consists of benomyl and thiophanate-methyl, and the mass of each component is 1: 1. the organic solvent is formed by mixing methanol and acetone, and the components have equal mass. The surfactant is prepared by mixing sodium dodecyl benzene sulfonate, fatty alcohol-polyoxyethylene ether sodium sulfate and lignosulfonate, and the components are equal in mass.
The preparation method of the anti-corrosion anti-cracking agent for the bamboo and wood artware comprises the following steps:
step 1: preparation of the Mixed solution
Dissolving isothiazolinone compounds composed according to a ratio in an organic solvent, slowly adding castor oil, and adding a surfactant while stirring to completely dissolve the isothiazolinone compounds to prepare a mixed solution;
step 2: preparation of metal complexes
Adding a metal compound, a surfactant and a certain amount of water which are prepared according to a ratio into a reaction kettle, stirring until the metal compound, the surfactant and the water are completely dissolved, slowly adding a benzimidazole compound dissolved in an organic solvent, and stirring for 1 hour at 40 ℃ to prepare a metal complex;
and step 3: preparation of anti-corrosion anti-cracking agent for bamboo and wood artware
And adding the prepared mixed solution into the metal complex, and uniformly stirring to prepare the anti-corrosion and anti-cracking agent for bamboo and wood artware.
Example 4: evaluation of antibacterial performance of anti-corrosion anti-cracking agent for bamboo and wood artware
Preparation of Potato (PDA) medium: peeling potato, cutting into small pieces, weighing 200g, adding water 1L, boiling for 30min, filtering with gauze, adding 20g glucose and 20g agar into the filtrate, dissolving, adding distilled water to 1L, sterilizing with high temperature steam (121 deg.C, 25min, gauge pressure 0.1MPa), packaging in sterilized culture dish, and placing in a workbench.
Preparation of a filter paper sheet: making into small paper sheet with diameter of 5mm with a puncher, placing into a culture dish, sterilizing with high temperature steam (temperature 121 deg.C, time 25min, gauge pressure 0.1MPa), taking out, and oven drying to obtain aseptic filter paper sheet.
Preparing an antiseptic anti-cracking agent solution: sterilizing the prepared antiseptic anti-cracking agent solution by high-temperature steam (the temperature is 121 ℃, the time is 25min, and the gauge pressure is 0.1MPa) for later use.
Preparing a suspension of the fomes fomentarius and the coriolus versicolor bacteria: inoculating Pythium gracile and Coriolus versicolor into sterilized liquid PDA culture medium, culturing at 28 deg.C for 2-3 days, centrifuging at 2500rpm for 10min, removing supernatant, and mixing with 10mL sterile normal saline to obtain bacterial suspension.
The antibacterial performance evaluation method comprises the following steps: transferring 1mL of bacterial suspension on the surface of a PDA flat plate by using a 1mL liquid transferring gun on an ultraclean workbench, uniformly coating by using a sterile coating rod, soaking a sterilized filter paper sheet in a preservative solution for 20min, taking out and placing on the ultraclean workbench for drying, cooling, taking the soaked and dried filter paper sheet by using burnt tweezers, placing the soaked and dried filter paper sheet in the well-coated PDA flat plate, lightly pressing to enable the filter paper sheet to be in close contact with a culture medium, culturing in an incubator at 28 ℃ for 2-3 days, repeating each preparation for 3 times, taking the sterilized water-soaked filter paper sheet as a blank control, measuring the diameter of a bacteriostatic ring, and calculating the average value.
The experimental result shows that: the anticorrosion and anti-cracking agent for bamboo and wood artware is found to have good antibacterial performance on the cotton-rot and the color-woollen-covered bacteria by adopting a filter paper disc method, wherein the preparation 1 has remarkable antibacterial performance on the cotton-rot and the color-woollen-covered bacteria, the diameters of antibacterial rings of 0.05 percent and 0.1 percent of the preparation on the cotton-rot and the color-woollen-covered bacteria are respectively 53.33mm and 63.67mm, and the diameters of antibacterial rings of 0.05 percent and 0.1 percent of the preparation on the color-woollen-covered bacteria are respectively 50mm and 54.33 mm.
TABLE 1 test results of different preparations on the inhibition zone of Pythium irregulare
TABLE 2 bacteriostatic circle test results of different preparations on coriolus versicolor
Example 5: bamboo wood anticorrosion performance research of anticorrosion anti-cracking agent for bamboo wood artware
On the basis of the antibacterial performance evaluation test of the anti-corrosion and anti-cracking agent for the bamboo and wood artware, in order to further obtain the anti-corrosion effect of the anti-corrosion and anti-cracking agent for the bamboo and wood artware on the bamboo and wood, the anti-corrosion performance test of the anti-corrosion and anti-cracking agent is carried out according to the national forestry industry standard & lt & gt Wood preservative to rot fungi toxicity laboratory test method & gt (LY/T1283-1998).
Preparing a river sand sawdust culture medium: uniformly stirring brown sugar, corn flour, masson pine sapwood sawdust (0.4-0.75mm) and cleaned dry river sand (0.4-0.75mm) according to the weight ratio of 1:8.5:15:150, pouring into a triangular bottle, placing 160g of feed wood in each bottle, paving, then placing the feed wood on the surface of the triangular bottle, slowly adding 90mL of maltose liquid into the bottle, plugging a cotton plug and wrapping waterproof paper, sterilizing by high-temperature steam (the temperature is 121 ℃, the time is 60min, and the gauge pressure is 0.1MPa), taking out, placing on an ultra-clean workbench, and cooling for later use.
Inoculating and culturing a river sand sawdust culture medium: under aseptic condition, placing the mycelium blocks on a river sand sawdust culture medium connected with the feeder, plugging the culture medium with cotton plugs and wrapping the culture medium with waterproof paper, and culturing in an incubator at 28 ℃ until the surface of the feeder is completely covered by the mycelium.
Sample soaking in an anticorrosive anti-cracking agent solution: before impregnation, each bamboo wood sample (size 20mm × 20mm × 10mm) was dried to constant weight in a forced air drying oven at 100 ℃. Respectively putting the bamboo and wood samples with constant weight into the anti-corrosion and anti-cracking agent solutions with different concentrations, soaking the samples in a vacuum drying oven under vacuum (0.01MPa) to a preset medicine absorption amount, taking out the samples, absorbing the floating liquid on the surface of each sample by using filter paper, and immediately weighing to obtain the weight of the soaked samples. And (5) air-drying the soaked sample to constant weight.
Wrapping the soaked bamboo and wood samples with multilayer gauze, sterilizing with high-temperature steam (temperature 121 ℃, time 30min, gauge pressure 0.1MPa), cooling, connecting the wide surface of the sample with the feeder covered by hyphae in the culture medium under aseptic condition, placing one sample on each feeder, plugging a cotton plug and wrapping waterproof paper, and culturing in an incubator at 28 ℃ for 12 weeks.
And after 12 weeks of decay, taking out the bamboo and wood sample from the culture bottle, carefully scraping hypha and impurities on the surface of the sample, then placing the sample in a blast drying oven at 100 ℃ to dry to constant weight, and calculating the weight loss of the sample after decay so as to obtain the toxicity limit value of the corrosion and crack preventing agent.
And (3) test results: the corrosion resistance grade of the natural bamboo and wood to the cotton-rot polyporus fomentarius and the coriolus versicolor is grade III, while the corrosion resistance grade of the corrosion-resistant anti-cracking agent to the cotton-rot polyporus fomentarius and the coriolus versicolor reaches grade I, wherein after the agent 1 is treated, the weight loss rate of the bamboo and wood sample is lowest, and the corrosion-resistant anti-cracking agent has a good corrosion-resistant effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. An anti-corrosion and anti-cracking agent for bamboo and wood artware is characterized by comprising the following components in percentage by mass:
5-8% of metal compound, 0.5-1.5% of isothiazolinone compound, 15-24% of benzimidazole compound, 10-20% of castor oil, 20-30% of organic solvent, 2-4% of surfactant and the balance of water;
the metal compound is formed by mixing copper acetate and copper chloride, and the components have equal mass;
the isothiazolinone compound is composed of at least one of benzisothiazolin-3-one, 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one, and if the number of the compounds is multiple, the mass of each component is equal;
The benzimidazole compound consists of benomyl and thiophanate-methyl, and the mass ratio of each component is 1: 1;
the anti-corrosion and anti-cracking agent for the bamboo and wood artware is prepared by the following steps:
step 1: preparation of the Mixed solution
Dissolving isothiazolinone compounds composed according to a ratio in an organic solvent, slowly adding castor oil, and adding a surfactant while stirring to completely dissolve the isothiazolinone compounds to prepare a mixed solution;
step 2: preparation of metal complexes
Adding a metal compound, a surfactant and a certain amount of water which are prepared according to a ratio into a reaction kettle, stirring until the metal compound, the surfactant and the water are completely dissolved, slowly adding a benzimidazole compound dissolved in an organic solvent, and stirring for 1 hour at 40-50 ℃ to prepare a metal complex;
and step 3: preparation of anti-corrosion anti-cracking agent for bamboo and wood artware
And (3) adding the mixed solution obtained in the step (1) into the metal complex obtained in the step (2), and uniformly stirring to prepare the anti-corrosion and anti-cracking agent for the bamboo and wood artware.
2. The anti-corrosion and anti-cracking agent for the bamboo and wood artware according to claim 1, which is characterized by comprising the following components in percentage by mass:
7% of metal compound, 1% of isothiazolinone compound, 21% of benzimidazole compound, 15% of castor oil, 30% of organic solvent, 4% of surfactant and the balance of water.
3. The anti-corrosion and anti-cracking agent for the bamboo and wood artware according to claim 1, characterized in that:
the organic solvent is formed by mixing one or more of methanol, isopropanol and acetone, and if the organic solvent is multiple, the mass of each component is equal.
4. The anti-corrosion and anti-cracking agent for the bamboo and wood artware according to claim 1, characterized in that:
the surfactant is formed by mixing one or more of sodium dodecyl benzene sulfonate, linear alkyl benzene sulfonate, sodium lauryl sulfate, lignosulfonate and fatty alcohol-polyoxyethylene ether sodium sulfate, and if the surfactant is multiple, the components have equal mass.
5. The anti-corrosion and anti-cracking agent for the bamboo and wood artware according to claim 1, characterized in that:
the addition amount of the surfactant in step 1 is equal to that in step 2.
6. The bamboo wood artware anticorrosion and anti-cracking agent as claimed in claim 1, wherein:
the adding amount ratio of the organic solvent in the step 1 to the organic solvent in the step 2 is 1: 2.
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