CN111775249A - Mildew-proof and corrosion-proof treatment method for rubber wood - Google Patents
Mildew-proof and corrosion-proof treatment method for rubber wood Download PDFInfo
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- CN111775249A CN111775249A CN202010650373.9A CN202010650373A CN111775249A CN 111775249 A CN111775249 A CN 111775249A CN 202010650373 A CN202010650373 A CN 202010650373A CN 111775249 A CN111775249 A CN 111775249A
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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
- B27K3/52—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
- B27K2240/00—Purpose of the treatment
- B27K2240/20—Removing fungi, molds or insects
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- Engineering & Computer Science (AREA)
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Abstract
The invention relates to a mildew-proof and corrosion-proof treatment method of rubber wood, which comprises the following steps: after the rubber wood is subjected to dry heat treatment by using the prepared powder, the hygroscopicity of the rubber wood is reduced, the probability of discoloration and mildew is reduced, the treated rubber wood has certain corrosion resistance, and the prepared modifier is further used for performing mildew-proof corrosion-resistant modification treatment; according to the invention, the rubber wood is modified by adopting a physical method and the prepared degradable environment-friendly treating agent, so that the mildew-proof and corrosion-resistant performance of the rubber wood is improved, the performance of the modified rubber wood is enhanced, the dimensional stability and the mechanical property are improved, the treatment and processing flow is simple, green and environment-friendly, the cost is low, the components of the agent used in the treatment are nontoxic and easy to recover and degrade, and the method has an important significance for reducing the environmental pollution; and the mechanical property, decorative property and reprocessing property of the processed rubber wood are not reduced, but the dimensional stability and the mechanical property are improved.
Description
Technical Field
The invention relates to the technical field of furniture wood processing, in particular to a mildew-proof and corrosion-proof treatment method for rubber wood.
Background
The rubber wood is a plant for producing rubber latex, is a trunk of a rubber tree and is a subtropical tree species. The trunk of the tree can be used for manufacturing furniture after the tree ages. With the development of furniture market, rubber wood is more and more widely used for furniture, floors, wood core boards and the like. The rubber wood has the advantages of light and elegant color, beautiful texture, reduced dryness, light to medium density and good machining and finishing performance, but because the rubber wood contains about 8 percent of free sugar and starch (the content of common wood is only 1 to 3 percent), the rubber wood is easy to mildew, moth-eaten and decay, and can only be used as firewood carbon materials all the time. According to the existing mildew-proof and corrosion-resistant treatment method, a mildew-proof agent and a preservative are mostly prepared by adding chemical reagents and heavy metal elements to treat wood, the treatment effect is general, the residual heavy metal waste liquid is polluted and is difficult to degrade, and great harm is brought to human and environment.
Disclosure of Invention
The invention aims to provide a mildew-proof and corrosion-resistant treatment method for rubber wood, which is characterized in that the rubber wood is modified by adopting a physical method and the prepared degradable environment-friendly treatment agent, so that the mildew-proof and corrosion-resistant performance of the rubber wood is improved, the performance of the modified rubber wood is enhanced, and the dimensional stability and the mechanical property are improved.
The invention is realized by the following technical scheme:
the mildew-proof and corrosion-proof treatment method of the rubber wood is realized by the following processing technological processes:
(1) placing freshly cut rubber wood under a constant temperature and humidity condition for 2-3 days, drying at 66-70 ℃ until the water content is 7.0-11.0%, coating a layer of powder with the thickness of 0.80-0.85 mm on the surface of the wood, tightly wrapping the wood by using woven straws with the thickness of 2-3 cm, placing the wood in a dry and hot environment for 48-60 hours, then detaching the wrapping layer, scraping the powder on the surface, placing the wood in hot water at 40-45 ℃ for cleaning for 10-14 minutes, and dissolving an AEO-9 surfactant with the mass fraction of 0.03-0.04% in the hot water; the powder material is prepared from the following components in percentage by mass: 1.4-1.7% of talcum powder, 1.0-1.3% of quicklime, 1.5-1.7% of activated carbon ash, 0.75-0.85% of sodium carbonate, 0.35-0.45% of winter jasmine extract and the balance of plant ash; the rubber wood is subjected to physical treatment such as drying and the like in combination with the prepared powder treatment, so that the hygroscopicity of the rubber wood is reduced, the probability of discoloration and mildew is reduced, the treated rubber wood has certain corrosion resistance, the modifier can be favorably extended into the rubber wood in the next step, and the comprehensive performance of the wood is further improved.
(2) Placing the cleaned oak wood in an oven, heating and drying for 2.0-4.0 hours at the heating speed of 2.0-2.5 ℃/minute and the drying temperature of 97-100 ℃, placing the dried oak wood in a pressure tank, adding a modifier with the volume of 1.2-1.3 times, gradually heating to 110 and 115 ℃ within 12-15 minutes, vacuumizing to 0.086-0.090MPa, keeping the vacuum state for 40-50 minutes, slowly recovering the normal pressure within 15-20 minutes, pressurizing to 1.18-1.20MPa, keeping for 3.0-4.0 hours, releasing the pressure in the tank to the normal pressure, taking out the oak wood, wiping the surface by using absorbent paper, placing in a vacuum drying box with the temperature of 85-90 ℃, drying for 8-10 hours, and naturally cooling to the room temperature; the preparation method of the modifier comprises the following steps: mixing orange peel and wild chrysanthemum flower according to the mass ratio of 1: 1.5-2.0, adding 6-8 times of volume of yellow wine, heating and boiling for 30-40 minutes, filtering to obtain a mixed solution A, stirring 5.2-5.7 g of potassium persulfate and 1.4-1.5 liters of water at the temperature of 20-30 ℃ to form a homogeneous solution, obtaining a mixed solution B, dispersing the mixed solution A into the mixed solution B at a high speed according to the mass ratio of 1:4-5 at the rotating speed of 600 plus materials of 800 revolutions per minute, and continuously dispersing for 20-30 minutes. The rubber wood treated by the modifier has good mildew resistance and corrosion resistance, simultaneously achieves the function of performance reinforcement, and can not cause the reduction of the mechanical performance of the rubber wood even under the pressure impregnation treatment.
The constant temperature and humidity conditions are as follows: the temperature is 38-42 ℃, and the relative humidity of air is 83-88%.
In the dry-hot environment: the temperature is 62-65 ℃, and the relative humidity of air is 40-44%.
The preparation method of the activated carbon ash comprises the following steps: grinding and mixing sodium chloride and activated carbon according to the mass ratio of 1.0-1.2:2.6-3.2, placing the mixture into a bamboo tube, sealing two ends of the bamboo tube with yellow mud, baking the bamboo tube at the temperature of 700 ℃ under the atmosphere of nitrogen for 8-9 hours, taking out substances in the bamboo tube, and further grinding the bamboo tube until the bamboo tube is sieved by a 180-mesh sieve with 150-mesh.
The preparation method of the winter jasmine extract comprises the following steps: sun-drying branches of the winter jasmine, mechanically crushing the branches into powder, adding the powder into a beaker, adding 3.2-3.5 times of ethanol solution with the mass concentration of 55-58% into the beaker, heating the mixture to 40-46 ℃, carrying out ultrasonic extraction for 60-70 minutes, standing the mixture for 16-18 hours, taking supernatant, heating the supernatant to 78-80 ℃, carrying out heating concentration for 2-3 hours, and finally carrying out spray drying to obtain powder, namely the winter jasmine extract.
Compared with the prior art, the invention has the following advantages: in order to improve the performance value of the rubber wood in furniture production and application, the invention provides a mildew-proof and corrosion-resistant treatment method of the rubber wood, the rubber wood is modified by adopting a physical method and the prepared degradable environment-friendly treatment agent, so that the mildew-proof and corrosion-resistant performance of the rubber wood is improved, the performance of the modified rubber wood is enhanced, the dimensional stability and the mechanical property are both improved, the treatment and processing flow is simple, the environment is protected, the cost is low, the reagent components used in the treatment are nontoxic and easy to recover and degrade, and the method has important significance for reducing the environmental pollution; and the mechanical property, decorative property and reprocessing property of the processed rubber wood are not reduced, but the dimensional stability and the mechanical property are improved. For furniture production enterprises, more economic benefits are brought; for consumers, the rubber wood furniture can enjoy guaranteed product quality, meets the requirements of people, reduces the elimination rate of rubber wood furniture, prolongs the service life cycle of the rubber wood furniture, promotes the application and development of rubber wood in furniture production, improves the sustainable development of rubber wood resources, can realize the practical significance of improving the modification of wood performance represented by rubber wood and improving market competitiveness, obviously promotes the rapid development and the sustainable development of resources of modern wood quality processing and furniture industry, and is a technical scheme which is extremely worthy of popularization and use.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described with reference to specific embodiments, and it should be understood that the specific embodiments described herein are only used for explaining the present invention and are not used for limiting the technical solutions provided by the present invention.
Example 1
A mildew-proof and corrosion-proof treatment method for rubber wood specifically comprises the following steps:
step 1: placing freshly cut rubber wood under a constant temperature and humidity condition for 2 days, then drying at 66 ℃ until the water content is 7.0-11.0%, coating a layer of powder with the thickness of 0.80 mm on the surface of the wood, tightly wrapping the wood by using woven straws with the thickness of 2 cm, placing the wood in a dry and hot environment for 48 hours, then detaching the wrapping layer, scraping the surface powder, placing the wood in hot water at 40 ℃ for cleaning for 10 minutes, and dissolving AEO-9 surfactant with the mass fraction of 0.03-%, in the hot water; the powder material is prepared from the following components in percentage by mass: 1.4% of talcum powder, 1.0% of quicklime, 1.5% of activated carbon ash, 0.75% of sodium carbonate, 0.35% of winter jasmine extract and the balance of plant ash;
step 2: placing the cleaned oak wood in an oven, heating to dry for 2.0 ℃ at a heating speed of 2.0 ℃/minute and a drying temperature of 97 ℃, placing the dried oak wood in a pressure tank, adding a modifier with the volume of 1.2 times, gradually heating to 110 ℃ within 12 minutes, vacuumizing to 0.086MPa, keeping the vacuum state for 40 minutes, slowly recovering to normal pressure within 15 minutes, pressurizing to 1.18MPa, keeping for 3.0 hours, releasing the pressure in the tank to normal pressure, taking out the oak wood, wiping the surface with absorbent paper, placing in a vacuum drying oven with the temperature of 85 ℃, drying for 8 hours, and naturally cooling to room temperature; the preparation method of the modifier comprises the following steps: mixing orange peels and wild chrysanthemum flowers according to a mass ratio of 1: 1.5, adding yellow wine with the volume 6 times that of the mixture, heating and boiling for 30 minutes, filtering to obtain a mixed solution A, stirring 5.2 g of potassium persulfate and 1.4 liters of water at the temperature of 20 ℃ to form a homogeneous solution, obtaining a mixed solution B, dispersing the mixed solution A into the mixed solution B at a high speed at the rotating speed of 600 revolutions per minute according to the mass ratio of 1:4, and continuously dispersing for 20 minutes.
Further, the constant temperature and humidity conditions in the step 1 are as follows: the temperature was 38 ℃ and the relative air humidity was 83%.
Further, in the dry-hot environment in step 1: the temperature was 62 ℃ and the relative air humidity was 40%.
Further, the preparation method of the activated carbon ash in the step 1 comprises the following steps: grinding and mixing sodium chloride and activated carbon according to the mass ratio of 1.0:2.6, putting into a bamboo tube, sealing two ends of the bamboo tube with yellow mud, baking at 680 ℃ for 8 hours in nitrogen atmosphere, taking out substances in the bamboo tube, and further grinding until the substances pass through a 150-mesh sieve.
Further, the preparation method of the winter jasmine extract in the step 1 comprises the following steps: sun-drying the winter jasmine branches, mechanically crushing the winter jasmine branches into powder, adding the powder into a beaker, adding 3.2 times of ethanol solution with the mass concentration of 55% into the beaker, heating the solution to 40 ℃, carrying out ultrasonic extraction for 60 minutes, standing the solution for 16 hours, taking supernatant, heating the supernatant to 78 ℃, carrying out heating concentration for 2 hours, and finally carrying out spray drying to obtain powder, namely the winter jasmine extract.
And (3) performance testing: the bakelite wood was processed into sheet samples having a size of 120 mm x 100 mm x 5 mm, 10 samples were taken (averaged when calculating the results) and treated as in example 1.
According to the test of the national standard GB/T18261-2000 test method for preventing and controlling wood mildew and blue-stained bacteria by using the mildew preventive, the mildew grade is 0 grade, and the interior and the exterior are infected by aseptic fibers.
Placing the sample under the conditions of 30 ℃ of temperature and 98% of relative humidity for 2 weeks, measuring the weight gain percentage of the sample and measuring the moisture absorption performance of the wood: the moisture absorption rate was 2.95%.
After 28 weeks of soil-wood block method corrosion test, the weight loss rate is 0.17%, and the corrosion resistance effect is good.
Example 2
A mildew-proof and corrosion-proof treatment method for rubber wood specifically comprises the following steps:
step 1: placing freshly cut rubber wood under a constant temperature and humidity condition for 2 days, then drying at 68 ℃ until the water content is 7.0-11.0%, coating a layer of powder with the thickness of 0.83 mm on the surface of the wood, tightly wrapping the wood by using braided straw with the thickness of 2.5 cm, placing the wood in a dry and hot environment for 54 hours, then detaching the wrapping layer, scraping the surface powder, placing the wood in hot water at 43 ℃ for cleaning for 12 minutes, and dissolving AEO-9 surfactant with the mass fraction of 0.035% in the hot water; the powder material is prepared from the following components in percentage by mass: 1.5% of talcum powder, 1.1% of quicklime, 1.6% of activated carbon ash, 0.80% of sodium carbonate, 0.40% of winter jasmine extract and the balance of plant ash;
step 2: placing the cleaned oak wood in an oven, heating and drying for 3.0 hours at the heating rate of 2.3 ℃/minute and the drying temperature of 98 ℃, placing the dried oak wood in a pressure tank, adding a modifier with the volume of 1.25 times, gradually heating to 112 ℃ within 13 minutes, vacuumizing to 0.088MPa, keeping the vacuum state for 45 minutes, slowly recovering the normal pressure within 18 minutes, pressurizing to 1.19MPa, keeping for 3.5 hours, releasing the pressure in the tank to the normal pressure, taking out the oak wood, wiping the surface with absorbent paper, placing in a vacuum drying oven with the temperature of 88 ℃, drying for 9 hours, and naturally cooling to the room temperature; the preparation method of the modifier comprises the following steps: mixing orange peels and wild chrysanthemum flowers according to a mass ratio of 1: 1.8, adding 7 times of volume of yellow wine, heating and boiling for 35 minutes, filtering to obtain a mixed solution A, stirring 5.5 g of potassium persulfate and 1.45 liters of water at the temperature of 25 ℃ to form a homogeneous solution, obtaining a mixed solution B, dispersing the mixed solution A into the mixed solution B at a high speed at the rotating speed of 700 revolutions per minute according to the mass ratio of 1:4.5, and continuously dispersing for 20-30 minutes.
Further, the constant temperature and humidity conditions in the step 1 are as follows: the temperature was 40 ℃ and the relative air humidity was 85%.
Further, in the dry-hot environment in step 1: the temperature was 63 ℃ and the relative air humidity was 42%.
Further, the preparation method of the activated carbon ash in the step 1 comprises the following steps: grinding and mixing sodium chloride and activated carbon according to the mass ratio of 1.1:2.9, putting into a bamboo tube, sealing two ends of the bamboo tube with yellow mud, baking at 690 ℃ for 8.5 hours in nitrogen atmosphere, taking out substances in the bamboo tube, and further grinding until the substances pass through a 160-mesh sieve.
Further, the preparation method of the winter jasmine extract in the step 1 comprises the following steps: sun-drying the winter jasmine branches, mechanically crushing the winter jasmine branches into powder, adding the powder into a beaker, adding 3.3 times of ethanol solution with the mass concentration of 56% into the beaker, heating to 43 ℃, carrying out ultrasonic extraction for 65 minutes, standing for 17 hours, taking supernatant, heating to 79 ℃, carrying out heating concentration for 2.5 hours, and finally carrying out spray drying to obtain powder, namely the winter jasmine extract.
And (3) performance testing: the bakelite wood was processed into sheet samples having a size of 120 mm x 100 mm x 5 mm, 10 samples were taken (averaged when calculating the results) and treated as in example 1.
According to the test of the national standard GB/T18261-2000 test method for preventing and controlling wood mildew and blue-stained bacteria by using the mildew preventive, the mildew grade is 0 grade, and the interior and the exterior are infected by aseptic fibers.
Placing the sample under the conditions of 30 ℃ of temperature and 98% of relative humidity for 2 weeks, measuring the weight gain percentage of the sample and measuring the moisture absorption performance of the wood: the moisture absorption rate was 2.91%.
After 28 weeks of soil-wood block method corrosion test, the weight loss rate is 0.15%, and the corrosion resistance effect is good.
Example 3
A mildew-proof and corrosion-proof treatment method for rubber wood specifically comprises the following steps:
step 1: placing freshly cut rubber wood under a constant temperature and humidity condition for 3 days, then drying at 70 ℃ until the water content is 7.0-11.0%, coating a layer of powder with the thickness of 0.85 mm on the surface of the wood, tightly wrapping the wood by using woven straws with the thickness of 3 cm, placing the wood in a dry and hot environment for 60 hours, then detaching the wrapping layer, scraping the surface powder, placing the wood in hot water at 45 ℃ for cleaning for 14 minutes, and dissolving AEO-9 surfactant with the mass fraction of 0.04% in the hot water; the powder material is prepared from the following components in percentage by mass: 1.7% of talcum powder, 1.3% of quicklime, 1.7% of activated carbon ash, 0.85% of sodium carbonate, 0.45% of winter jasmine extract and the balance of plant ash;
step 2: placing the cleaned oak wood in an oven, heating and drying for 4.0 hours at the heating rate of 2.5 ℃/minute and the drying temperature of 100 ℃, placing the dried oak wood in a pressure tank, adding a modifier with the volume of 1.3 times, gradually heating to 115 ℃ within 15 minutes, vacuumizing to 0.090MPa, keeping the vacuum state for 50 minutes, slowly recovering the normal pressure within 20 minutes, pressurizing to 1.20MPa, keeping for 4.0 hours, releasing the pressure in the tank to the normal pressure, taking out the oak wood, wiping the surface with absorbent paper, placing in a vacuum drying oven with the temperature of 90 ℃, drying for 10 hours, and naturally cooling to the room temperature; the preparation method of the modifier comprises the following steps: mixing orange peels and wild chrysanthemum flowers according to a mass ratio of 1: 2.0, adding 8 times of volume of yellow wine, heating and boiling for 40 minutes, filtering to obtain a mixed solution A, stirring 5.7 g of potassium persulfate and 1.5 liters of water at the temperature of 30 ℃ to form a homogeneous solution, obtaining a mixed solution B, dispersing the mixed solution A into the mixed solution B at a high speed at the rotating speed of 800 revolutions per minute according to the mass ratio of 1:5, and continuously dispersing for 30 minutes.
Further, the constant temperature and humidity conditions in the step 1 are as follows: the temperature was 42 ℃ and the relative air humidity was 88%.
Further, in the dry-hot environment in step 1: the temperature was 65 ℃ and the relative air humidity was 44%.
Further, the preparation method of the activated carbon ash in the step 1 comprises the following steps: grinding and mixing sodium chloride and activated carbon according to the mass ratio of 1.2:3.2, putting into a bamboo tube, sealing two ends of the bamboo tube with yellow mud, baking at 700 ℃ for 9 hours in nitrogen atmosphere, taking out substances in the bamboo tube, and further grinding until the substances pass through a 180-mesh sieve.
Further, the preparation method of the winter jasmine extract in the step 1 comprises the following steps: sun-drying the winter jasmine branches, mechanically crushing the winter jasmine branches into powder, adding the powder into a beaker, adding 3.5 times of ethanol solution with the mass concentration of 55-58% into the beaker, heating the solution to 46 ℃, carrying out ultrasonic extraction for 70 minutes, standing the solution for 18 hours, taking supernatant, heating the supernatant to 80 ℃, carrying out heating concentration for 3 hours, and finally carrying out spray drying to obtain powder, namely the winter jasmine extract.
And (3) performance testing: the bakelite wood was processed into sheet samples having a size of 120 mm x 100 mm x 5 mm, 10 samples were taken (averaged when calculating the results) and treated as in example 1.
According to the test of the national standard GB/T18261-2000 test method for preventing and controlling wood mildew and blue-stained bacteria by using the mildew preventive, the mildew grade is 0 grade, and the interior and the exterior are infected by aseptic fibers.
Placing the sample under the conditions of 30 ℃ of temperature and 98% of relative humidity for 2 weeks, measuring the weight gain percentage of the sample and measuring the moisture absorption performance of the wood: the moisture absorption rate was 2.93%.
After 28 weeks of soil-wood block method corrosion test, the weight loss rate is 0.16%, and the corrosion resistance effect is good.
Claims (6)
1. The mildew-proof and corrosion-proof treatment method of the rubber wood is characterized by comprising the following process steps of:
(1) placing freshly cut rubber wood under a constant temperature and humidity condition for 2-3 days, drying at 66-70 ℃ until the water content is 7.0-11.0%, coating a layer of powder with the thickness of 0.80-0.85 mm on the surface of the wood, tightly wrapping the wood by using woven straws with the thickness of 2-3 cm, placing the wood in a dry and hot environment for 48-60 hours, then detaching the wrapping layer, scraping the powder on the surface, placing the wood in hot water at 40-45 ℃ for cleaning for 10-14 minutes, and dissolving an AEO-9 surfactant with the mass fraction of 0.03-0.04% in the hot water; the powder material is prepared from the following components in percentage by mass: 1.4-1.7% of talcum powder, 1.0-1.3% of quicklime, 1.5-1.7% of activated carbon ash, 0.75-0.85% of sodium carbonate, 0.35-0.45% of winter jasmine extract and the balance of plant ash;
(2) placing the cleaned oak wood in an oven, heating and drying for 2.0-4.0 hours at the heating speed of 2.0-2.5 ℃/minute and the drying temperature of 97-100 ℃, placing the dried oak wood in a pressure tank, adding a modifier with the volume of 1.2-1.3 times, gradually heating to 110 and 115 ℃ within 12-15 minutes, vacuumizing to 0.086-0.090MPa, keeping the vacuum state for 40-50 minutes, slowly recovering the normal pressure within 15-20 minutes, pressurizing to 1.18-1.20MPa, keeping for 3.0-4.0 hours, releasing the pressure in the tank to the normal pressure, taking out the oak wood, wiping the surface by using absorbent paper, placing in a vacuum drying box with the temperature of 85-90 ℃, drying for 8-10 hours, and naturally cooling to the room temperature.
2. The method for mildew-proof and corrosion-proof treatment of rubber wood as claimed in claim 1, wherein the constant temperature and humidity conditions in step (1) are as follows: the temperature is 38-42 ℃, and the relative humidity of air is 83-88%.
3. The method for mildew-proof and corrosion-proof treatment of rubber wood according to claim 1, wherein in the dry-hot environment of step (1): the temperature is 62-65 ℃, and the relative humidity of air is 40-44%.
4. The method for mildew-proof and corrosion-proof treatment of rubber wood as claimed in claim 1, wherein the preparation method of the activated carbon ash in the step (1) is: grinding and mixing sodium chloride and activated carbon according to the mass ratio of 1.0-1.2:2.6-3.2, placing the mixture into a bamboo tube, sealing two ends of the bamboo tube with yellow mud, baking the bamboo tube at the temperature of 700 ℃ under the atmosphere of nitrogen for 8-9 hours, taking out substances in the bamboo tube, and further grinding the bamboo tube until the bamboo tube is sieved by a 180-mesh sieve with 150-mesh.
5. The method for mildew-proof and corrosion-proof treatment of rubber wood according to claim 1, wherein the preparation method of the winter jasmine extract in the step (1) comprises the following steps: sun-drying branches of the winter jasmine, mechanically crushing the branches into powder, adding the powder into a beaker, adding 3.2-3.5 times of ethanol solution with the mass concentration of 55-58% into the beaker, heating the mixture to 40-46 ℃, carrying out ultrasonic extraction for 60-70 minutes, standing the mixture for 16-18 hours, taking supernatant, heating the supernatant to 78-80 ℃, carrying out heating concentration for 2-3 hours, and finally carrying out spray drying to obtain powder, namely the winter jasmine extract.
6. The method for mildew-proof and corrosion-proof treatment of rubber wood as claimed in claim 1, wherein the preparation method of the modifier in the step (2) is: mixing orange peel and wild chrysanthemum flower according to the mass ratio of 1: 1.5-2.0, adding 6-8 times of volume of yellow wine, heating and boiling for 30-40 minutes, filtering to obtain a mixed solution A, stirring 5.2-5.7 g of potassium persulfate and 1.4-1.5 liters of water at the temperature of 20-30 ℃ to form a homogeneous solution, obtaining a mixed solution B, dispersing the mixed solution A into the mixed solution B at a high speed according to the mass ratio of 1:4-5 at the rotating speed of 600 plus materials of 800 revolutions per minute, and continuously dispersing for 20-30 minutes.
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