CN113021558A - Preparation method of wear-resistant antibacterial bamboo straw - Google Patents
Preparation method of wear-resistant antibacterial bamboo straw Download PDFInfo
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- B27J1/00—Mechanical working of cane or the like
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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
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- 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
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D105/00—Coating compositions based on polysaccharides or on their derivatives, not provided for in groups C09D101/00 or C09D103/00
- C09D105/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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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
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Abstract
The invention discloses a preparation method of a wear-resistant antibacterial bamboo straw, which comprises the following steps: firstly, cutting fresh small-diameter bamboos, selecting straight bamboo stalks, cutting off the straight bamboo stalks to a fixed length, and sanding the surfaces of the straight bamboo stalks; secondly, drilling the straight bamboo culm after sanding by using a drill bit with the diameter grade of 2mm, and then performing directional steam-spraying treatment; thirdly, removing yellow and sizing the bamboo stalks subjected to the steam-spraying treatment by using a milling cutter to obtain a formed bamboo stalk suction pipe; fourthly, vertically placing the bamboo straw tubes side by side, covering a spraying device on the upper part, spraying an antibacterial film-forming agent into each bamboo straw tube, and then putting the bamboo straw tubes into a vacuum drying device for drying treatment; and fifthly, carrying out ultraviolet sterilization treatment on the outer surface of the dried bamboo straw to obtain a finished bamboo straw product. The bamboo straw prepared by the invention has strong wear resistance and antibacterial property, has the characteristics of high strength, invariability, environmental protection and no pollution, and can be stored for multiple times for long time.
Description
Technical Field
The invention belongs to the technical field of bamboo processing, and particularly relates to a preparation method of a wear-resistant antibacterial bamboo straw.
Background
The straw is a common daily product in daily life, is widely used in the catering field, and particularly, the disposable straw polypropylene plastic straw occupies the main market of the straw, and the daily consumption exceeds 2 hundred million. However, as the state implements ' plastic prohibition ' in 2021, the catering industry prohibits the use of non-degradable disposable plastic straws and replaces the non-degradable plastic straws with environment-friendly substitutes, but the experience of consumers using environment-friendly substitutes is not good, the existing paper straws have large paper pulp flavor or glue flavor in the use process, even the paper straws have the appearance of consumers ' like gnawing the toilet paper core when drinking milk tea or ' drinking the paper straws suddenly dispersed ', and the other PLA polylactic acid degradable straws have little influence on the mouth feel but gradually become soft in the use process. The existing environment-friendly straw not only destroys the taste of the beverage, but also brings influence to physical and psychological health of consumers. In order to satisfy consumers with environment-friendly substitute straws, the product quality must be improved, and the product is not deformed or the taste is not influenced when the product is used.
Disclosure of Invention
The invention aims to solve the technical problem of providing a preparation method of a wear-resistant antibacterial bamboo straw aiming at the defects of the prior art. The method takes the bamboo stalks as raw materials, and the prepared bamboo stalk straw effectively improves the thermal stability and the internal smoothness, and improves the mildew-proof and bacteriostatic performance.
In order to solve the technical problems, the invention adopts the technical scheme that: the manufacturing method of the wear-resistant bacteriostatic bamboo straw is characterized by comprising the following steps of:
step one, bamboo stalk pretreatment: cutting fresh small-diameter bamboos, selecting straight bamboo stalks to cut off to a fixed length, selecting bamboo stalks containing bamboo joints, and sanding the surfaces of the bamboo stalks;
step two, directional steam-spraying treatment: drilling the bamboo stalks pretreated in the step one by using a drill bit, and then carrying out directional steam-spraying treatment;
step three, forming and processing the bamboo straw: the bamboo culms are subjected to yellow removing and sizing by using a milling cutter, the rotating speed and the feed speed are controlled, and meanwhile, the rotary-cut waste is collected, so that dust can be removed in time in the processing process, the rotary-cut waste is prevented from being blocked in the bamboo culms, and the formed bamboo culm straw is obtained;
step four, bacteriostatic treatment of the bamboo straw: vertically placing the bamboo straw straws obtained in the third step side by side, covering a spraying device on the upper part, spraying an antibacterial film-forming agent into each bamboo straw, and then placing the bamboo straw into a vacuum drying device for drying treatment;
the preparation method of the bacteriostatic film-forming agent comprises the following steps: mixing chitosan, nano silver, propolis and water according to a mass ratio of (30-40): (20-30): (20-30): 1000, then adjusting the pH value to 4-6, reacting for 1-4 h under the conditions that the temperature is 30-60 ℃ and the stirring speed is 200-400 r/min, and finally adjusting the pH value to 6.8 to prepare the bacteriostatic film-forming agent;
step five, obtaining a bamboo straw finished product: and carrying out ultraviolet sterilization treatment on the outer surface of the bamboo straw to finally obtain the wear-resistant antibacterial bamboo straw.
The preparation method of the wear-resistant antibacterial bamboo straw is characterized in that in the step one, the small-diameter bamboo is white bamboo, square bamboo, purple bamboo, brown bamboo, mottled bamboo or Hunan Fei bamboo; the outer diameter of the straight bamboo culms is 6mm-10mm, and the length of the bamboo culms cut to length is 160mm-200 mm.
The preparation method of the wear-resistant antibacterial bamboo straw is characterized in that the conditions of the directional steam-spray treatment in the step two are as follows: the steam temperature is 180-200 ℃, and the time is 1-2 min/m; the drill bit diameter is 2 mm.
The preparation method of the wear-resistant antibacterial bamboo straw is characterized in that in the third step, the rotation speed of the milling cutter is 3000r/min-5000r/min, the feed speed is 0.01s/mm-0.03s/mm, and the inner diameter of the formed bamboo straw is 5mm-8 mm.
The preparation method of the wear-resistant bacteriostatic bamboo straw is characterized in that the usage amount of the bacteriostatic film-forming agent in the fourth step is 1 g/root to 2 g/root; the vacuum drying condition is 0.1MPa, and the drying time is 1-2 h.
The preparation method of the wear-resistant antibacterial bamboo straw is characterized in that in the fifth step, the water content of the wear-resistant antibacterial bamboo straw is 6% -8%, and the radial compression-resistant bearing capacity is 20N-40N.
Compared with the prior art, the invention has the following advantages:
1. the wear-resistant antibacterial bamboo straw prepared by the invention takes small-diameter bamboo as a raw material, and has good characteristics of breakage resistance, deformation resistance and wear resistance due to the excellent performance of the bamboo straw.
2. The invention can degrade the nutrient substances such as starch and the like in the bamboo stalks through the directional steam-spraying treatment, reduce the water-soluble substances in the bamboo stalk suction pipe, soften the inner walls of the bamboo stalks and reduce the difficulty of later-stage processing.
3. The invention carries out bacteriostasis treatment by the self-prepared bacteriostasis film-forming agent, so that the prepared bamboo straw can be stored for a long time and used for many times, and has better bacteriostasis performance.
The technical solution of the present invention will be described in further detail by examples.
Detailed Description
Example 1
The preparation method of the wear-resistant bacteriostatic bamboo straw comprises the following steps:
step one, bamboo stalk pretreatment: cutting fresh white bamboo, selecting straight bamboo stalks with the outer diameter of 7-8mm, cutting the straight bamboo stalks into the bamboo stalks with the length of 180mm, selecting bamboo stalks containing bamboo joints, and sanding the surfaces of the bamboo stalks;
step two, directional steam-spraying treatment: drilling the bamboo stalks pretreated in the step one by using a drill with the diameter grade of 2mm, placing the bamboo stalks into a steam-jet treatment device for directional steam-jet treatment after the bamboo stalks are stacked in order, wherein the steam temperature of steam-jet treatment is about 180 ℃, and the treatment time is 1.5 min/mm;
step three, forming and processing the bamboo straw: yellow removing and sizing are carried out on the bamboo stalks by using a milling cutter, the rotation speed of the milling cutter is 4000r/min, the feed speed is 0.02s/mm, the inner diameter of the obtained bamboo stalk suction pipe is 5mm, and meanwhile, rotary-cut waste is collected at a constant speed according to the output quantity of the rotary-cut waste, so that dust can be removed in time in the processing process, and the rotary-cut waste is prevented from being blocked in the bamboo stalks;
step four, bacteriostatic treatment of the bamboo straw: vertically placing the bamboo straw straws prepared in the third step side by side, covering a spraying device on the upper part of the bamboo straw straws, spraying an antibacterial film-forming agent into each bamboo straw, wherein the dosage of the antibacterial film-forming agent is 1 g/root, and then placing the bamboo straw straws into a vacuum drying device for drying treatment, wherein the vacuum condition is 0.1MPa, and the drying time is 1 h;
the bacteriostatic film-forming agent is a bacteriostatic film-forming agent synthesized in situ by chitosan/nano-silver, and the preparation method comprises the following steps: mixing chitosan, nano-silver, propolis and water according to a mass ratio of 40: 20: 30: 1000, regulating the pH value to 4 by glacial acetic acid, stirring at the temperature of 60 ℃ and the stirring speed of 200r/min for 2h, and then regulating the pH value to 6.8.
Step five, obtaining a bamboo straw finished product: and (4) sterilizing the outer surface of the bamboo straw obtained in the step four by using an ultraviolet lamp to prepare the wear-resistant antibacterial bamboo straw.
In this embodiment, in step two the steam of steam treatment device spouts from device one side according to certain speed, flows out from relative opposite side again to make the steam treatment that can the directional steam of accepting of steam of bamboo stalk among the steam treatment process, through carrying out the steam treatment to the bamboo stalk, nutrient substance such as the inside starch of degradation bamboo stalk reduces the water-soluble thing of bamboo stalk straw, and can soften the bamboo stalk inner wall, reduces the post processing degree of difficulty.
The experimental test proves that the wear-resistant bacteriostatic bamboo straw prepared in the embodiment can be placed for one year after being packaged in a plastic package; the wear-resistant antibacterial bamboo straw can be repeatedly used after being washed and dried, and the use frequency can reach 1000 times.
The wear-resistant antibacterial bamboo straw prepared by the embodiment has the following performances: the maximum specification and size of the bamboo straw: the length is 180mm, the outer diameter is 8mm, and the inner diameter is 5 mm. The water content is 6 percent, the surface smoothness of the straw is good, the straw has certain wear resistance, the radial pressure resistance and bearing capacity of the pipe is 30N, and the straw has no deformation in a temperature resistance test (oil at 120 +/-5 ℃ and constant temperature for 30 min; boiling water for 30 min). Physical and chemical indexes: the total migration amount (95% ethanol, 70 deg.C, 2 hr) is 3-6mg/dm2Heavy metals (calculated As Pb, 4% acetic acid, volume fraction, 60 ℃, 2h) < 1mg/kg, lead (Pb, mg/kg) < 0.10, arsenic (As, mg/kg) < 0.11, fluorescent substances (254nm and 365nm) are negative, and microorganisms including coliform bacteria, salmonella (/50 cm)2) No mold was detected (CFU/g) < 5.
Example 2
The preparation method of the wear-resistant bacteriostatic bamboo straw comprises the following steps:
step one, bamboo stalk pretreatment: cutting fresh square bamboo, selecting straight bamboo stalks with the outer diameter of 6-7mm, cutting the straight bamboo stalks into the bamboo stalks with the length of 160mm, selecting bamboo stalks containing bamboo joints, and sanding the surfaces of the bamboo stalks;
step two, directional steam-spraying treatment: drilling the bamboo stalks pretreated in the step one by using a drill with the diameter grade of 2mm, placing the bamboo stalks into a steam-jet treatment device for directional steam-jet treatment after the bamboo stalks are stacked in order, wherein the steam temperature of steam-jet treatment is about 200 ℃, and the treatment time is 1 min/mm;
step three, forming and processing the bamboo straw: the bamboo stalks are subjected to yellow removing and sizing by using a milling cutter, the rotation speed of the milling cutter is 3000r/min, the feed speed is 0.03s/mm, the inner diameter of the obtained bamboo stalk suction pipe is 6mm, and meanwhile, rotary-cut waste is collected at a constant speed according to the output quantity of the rotary-cut waste, so that dust can be removed in time in the processing process, and the rotary-cut waste is prevented from being blocked in the bamboo stalks;
step four, bacteriostatic treatment of the bamboo straw: vertically placing the bamboo straw straws prepared in the third step side by side, covering a spraying device on the upper part of the bamboo straw straws, spraying a bacteriostatic film-forming agent into each bamboo straw, wherein the using amount of the bacteriostatic film-forming agent is 1.5 g/root, and then putting the bamboo straw straws into a vacuum drying device for drying treatment under the vacuum condition of 0.1MPa for 1.5 hours;
the bacteriostatic film-forming agent is a bacteriostatic film-forming agent synthesized in situ by chitosan/nano-silver, and the preparation method comprises the following steps: mixing chitosan, nano-silver, propolis and water according to a mass ratio of 35: 25: 25: 1000, regulating the pH value to 5 by using glacial acetic acid, stirring at 40 ℃ for 4h at the stirring speed of 300r/min, and then regulating the pH value to 6.8.
Step five, obtaining a bamboo straw finished product: and (4) sterilizing the outer surface of the bamboo straw obtained in the step four by using an ultraviolet lamp to prepare the wear-resistant antibacterial bamboo straw.
In this embodiment, in step two the steam of steam treatment device spouts from device one side according to certain speed, flows out from relative opposite side again to make the steam treatment that can the directional steam of accepting of steam of bamboo stalk among the steam treatment process, through carrying out the steam treatment to the bamboo stalk, nutrient substance such as the inside starch of degradation bamboo stalk reduces the water-soluble thing of bamboo stalk straw, and can soften the bamboo stalk inner wall, reduces the post processing degree of difficulty.
The experimental test proves that the wear-resistant bacteriostatic bamboo straw prepared in the embodiment can be placed for one year after being packaged in a plastic package; the wear-resistant antibacterial bamboo straw can be repeatedly used after being washed and dried, and the use frequency can reach 1000 times.
The performance of the straw made in this example: the maximum specification and size of the bamboo straw: the length is 160mm, the outer diameter is 7mm, and the inner diameter is 6 mm. The water content is 6 percent, the surface smoothness of the straw is good, the straw has certain wear resistance, the radial pressure resistance and bearing capacity of the pipe is 20N, and the straw has no deformation in a temperature resistance test (oil at 120 +/-5 ℃ and constant temperature for 30 min; boiling water for 30 min). Physical and chemical indexes: the total migration amount (95% ethanol, 70 deg.C, 2 hr) is 3-6mg/dm2Heavy metals (calculated As Pb, 4% acetic acid, volume fraction, 60 ℃, 2h) < 1mg/kg, lead (Pb, mg/kg) < 0.10, arsenic (As, mg/kg) < 0.11, fluorescent substances (254nm and 365nm) are negative, and microorganisms including coliform bacteria, salmonella (/50 cm)2) No mold was detected (CFU/g) < 5.
Example 3
The preparation method of the wear-resistant bacteriostatic bamboo straw comprises the following steps:
step one, bamboo stalk pretreatment: cutting fresh purple bamboo, selecting straight bamboo stalk with outer diameter of 8-10mm, cutting into length of 200mm, selecting bamboo stalk containing bamboo joint, and sanding the surface;
step two, directional steam-spraying treatment: drilling the bamboo stalks pretreated in the step one by using a drill with the diameter grade of 2mm, placing the bamboo stalks into a steam-jet treatment device for directional steam-jet treatment after the bamboo stalks are stacked in order, wherein the steam temperature of steam-jet treatment is about 190 ℃, and the treatment time is 2 min/mm;
step three, forming and processing the bamboo straw: yellow removing and sizing are carried out on the bamboo stalks by using a milling cutter, the rotation speed of the milling cutter is 5000r/min, the feed speed is 0.01s/mm, the inner diameter of the obtained bamboo stalk suction pipe is 8mm, and meanwhile, rotary cutting waste is collected at a constant speed according to the output quantity of the rotary cutting waste, so that dust can be removed in time in the processing process, and the rotary cutting waste is prevented from being blocked in the bamboo stalks;
step four, bacteriostatic treatment of the bamboo straw: vertically placing the bamboo straw straws prepared in the third step side by side, covering a spraying device on the upper part of the bamboo straw straws, spraying an antibacterial film-forming agent into each bamboo straw, wherein the dosage of the antibacterial film-forming agent is 2 g/root, and then placing the bamboo straw straws into a vacuum drying device for drying treatment, wherein the vacuum condition is 0.1MPa, and the drying time is 2 hours;
the bacteriostatic film-forming agent is a bacteriostatic film-forming agent synthesized in situ by chitosan/nano-silver, and the preparation method comprises the following steps: mixing chitosan, nano-silver, propolis and water according to a mass ratio of 30: 20: 30: 1000, regulating the pH value to 6 by glacial acetic acid, stirring at 30 ℃ and the stirring speed of 400r/min for 1h, and then regulating the pH value to 6.8.
Step five, obtaining a bamboo straw finished product: and (4) sterilizing the outer surface of the bamboo straw obtained in the step four by using an ultraviolet lamp to prepare the wear-resistant antibacterial bamboo straw.
In this embodiment, in step two the steam of steam treatment device spouts from device one side according to certain speed, flows out from relative opposite side again to make the steam treatment that can the directional steam of accepting of steam of bamboo stalk among the steam treatment process, through carrying out the steam treatment to the bamboo stalk, nutrient substance such as the inside starch of degradation bamboo stalk reduces the water-soluble thing of bamboo stalk straw, and can soften the bamboo stalk inner wall, reduces the post processing degree of difficulty.
The experimental test proves that the wear-resistant bacteriostatic bamboo straw prepared in the embodiment can be placed for one year after being packaged in a plastic package; the wear-resistant antibacterial bamboo straw can be repeatedly used after being washed and dried, and the use frequency can reach 1000 times.
The performance of the straw made in this example: the maximum specification and size of the bamboo straw: the length is 180mm, the outer diameter is 9mm, and the inner diameter is 8 mm. The water content is 6 percent, the surface smoothness of the straw is good, the straw has certain wear resistance, the radial pressure resistance bearing capacity is 40N, and the straw has no deformation in a temperature resistance test (oil at 120 +/-5 ℃ and constant temperature for 30 min; boiling water for 30 min). Physical and chemical indexes: the total migration amount (95% ethanol, 70 deg.C, 2 hr) is 3-6mg/dm2Heavy metals (calculated As Pb, 4% acetic acid, volume fraction, 60 ℃, 2h) < 1mg/kg, lead (Pb, mg/kg) < 0.10, arsenic (As, mg/kg) < 0.11, fluorescent substances (254nm and 365nm) are negative, and microorganisms including coliform bacteria, salmonella (/50 cm)2) No mold was detected (CFU/g) < 5.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modification, change and equivalent changes of the above embodiments according to the technical essence of the invention are still within the protection scope of the technical solution of the invention.
Claims (6)
1. A preparation method of a wear-resistant bacteriostatic bamboo straw is characterized by comprising the following steps:
step one, bamboo stalk pretreatment: cutting fresh small-diameter bamboos, selecting straight bamboo stalks to cut off to a fixed length, selecting bamboo stalks containing bamboo joints, and sanding the surfaces of the bamboo stalks;
step two, directional steam-spraying treatment: drilling the bamboo stalks pretreated in the step one by using a drill bit, and then carrying out directional steam-spraying treatment;
step three, forming and processing the bamboo straw: the bamboo culms are subjected to yellow removing and sizing by using a milling cutter, the rotating speed and the feed speed are controlled, and meanwhile, the rotary-cut waste is collected, so that dust can be removed in time in the processing process, the rotary-cut waste is prevented from being blocked in the bamboo culms, and the formed bamboo culm straw is obtained;
step four, bacteriostatic treatment of the bamboo straw: vertically placing the bamboo straw straws obtained in the third step side by side, covering a spraying device on the upper part, spraying an antibacterial film-forming agent into each bamboo straw, and then placing the bamboo straw into a vacuum drying device for drying treatment;
the preparation method of the bacteriostatic film-forming agent comprises the following steps: mixing chitosan, nano silver, propolis and water according to a mass ratio of (30-40): (20-30): (20-30): 1000, then adjusting the pH value to 4-6, reacting for 1-4 h under the conditions that the temperature is 30-60 ℃ and the stirring speed is 200-400 r/min, and finally adjusting the pH value to 6.8 to prepare the bacteriostatic film-forming agent;
step five, obtaining a bamboo straw finished product: and carrying out ultraviolet sterilization treatment on the outer surface of the bamboo straw to finally obtain the wear-resistant antibacterial bamboo straw.
2. The method for preparing a wear-resistant bacteriostatic bamboo straw according to claim 1, wherein in the first step, the small-diameter bamboo is white bamboo, square bamboo, purple bamboo, brown bamboo, mottled bamboo or Hunan Fei bamboo; the outer diameter of the straight bamboo culms is 6mm-10mm, and the length of the bamboo culms cut to length is 160mm-200 mm.
3. The method for preparing the wear-resistant bacteriostatic bamboo straw suction pipe according to claim 1, wherein the conditions of the directional steam-spraying treatment in the second step are as follows: the steam temperature is 180-200 ℃, and the time is 1-2 min/m; the drill bit diameter is 2 mm.
4. The method for preparing the wear-resistant bacteriostatic bamboo straw according to claim 1 or 2, wherein in the third step, the rotation speed of the milling cutter is 3000r/min-5000r/min, the feed speed is 0.01s/mm-0.03s/mm, and the inner diameter of the formed bamboo straw is 5mm-8 mm.
5. The preparation method of the wear-resistant bacteriostatic bamboo straw suction tube according to claim 1, wherein the usage amount of the bacteriostatic film-forming agent in the fourth step is 1-2 g/root; the vacuum drying condition is 0.1MPa, and the drying time is 1-2 h.
6. The preparation method of the wear-resistant bacteriostatic bamboo straw pipe according to claim 1, wherein in the fifth step, the water content of the wear-resistant bacteriostatic bamboo straw pipe is 6-8%, and the radial compression-resistant bearing capacity is 20N-40N.
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