Antimicrobial high polymer material product and preparation method thereof
Through photon broadband processing technology, antimicrobial treatment of polymer materials such as gloves has been solved, and the problem that existing antimicrobial glove materials are prone to breeding microorganisms is achieved, achieving efficient, stable and safe antimicrobial effects.
Patent Information
- Application Number
- CN202411773533.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2023-12-04
- Filing Date
- 2024-12-04
- Publication Date
- 2025-06-06
AI Technical Summary
Existing antibacterial glove materials are prone to cause microorganisms to breed and reproduce, increasing the risk of infection with diseases. The commonly used antibacterial materials are highly toxic, have poor stability, and have limited antibacterial aging.
Photon broadband treatment is used to treat polymer materials products antimicrobially, including placing elastomer products such as gloves in photon broadband antibacterial equipment and performing photon broadband treatment for a certain period of time to inhibit the growth of microorganisms.
It achieves effective inhibition of microorganisms, improves the antibacterial performance of gloves, ensures user safety, and has stable, long-lasting and non-toxic side effects.
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Abstract
Description
Technical Field
[0001] The invention relates to the technical field of polymer material processing, and in particular to an antimicrobial polymer material product and a preparation method thereof. Background Art
[0002] Disposable gloves are a common type of disposable isolation protective gloves, which are currently widely used in many fields such as medical examination, medical care, laboratories, electronic product processing, food processing, fast food services, etc. With the continuous development of the world economy and the continuous changes in people's consumption concepts, people have put forward more requirements on the functions of gloves.
[0003] Microorganisms (bacteria, viruses, fungi, etc.) are everywhere in life. Some microorganisms can cause diseases in humans or animals and endanger life safety. For some sterile environments (such as biosafety laboratories), how to minimize the biological hazards and risks that may occur in the environment is an important consideration.
[0004] Wearing gloves can effectively isolate microorganisms such as bacteria and viruses. Currently, the common gloves on the market are mainly made of latex, silicone, PVC plastic and other materials. These materials are easy to cause the growth and reproduction of microorganisms, increasing the risk of users contracting diseases. At present, the commonly used process for producing antibacterial gloves is to add some antibacterial materials. These antibacterial materials themselves have certain toxicity and low stability. They may decompose and produce toxic substances during processing and production, causing certain harm to the human body. Chinese patent CN112812261A obtains gloves with antibacterial properties by attaching a layer of cationic weakly acidic waterborne polyurethane film to the outside of the nitrile rubber base film, but these antibacterial materials have poor compatibility with the glove matrix material and are easily dissolved, resulting in limited antibacterial time of the gloves. Some antibacterial materials may have weak antibacterial ability themselves and cannot effectively inhibit various pathogens. Chinese patent CN114013082A obtains PVC gloves by adding plasticizers, modified nitrile, antibacterial and antiviral powders, calcium zinc stabilizers, viscosity reducers and other ingredients to PVC paste resin. The process flow of this method is relatively cumbersome and the cost is relatively high. Summary of the invention
[0005] On the one hand, the present invention provides a method for processing a polymer product, comprising: applying photon broadband treatment to the polymer product; the polymer material comprises plastic or rubber, the plastic is polyethylene or polyvinyl chloride, and the rubber is nitrile.
[0006] In some embodiments, the polymer material product is an elastomeric product.
[0007] In some embodiments, the polymer material product is a glove, a finger cot, a dental dam, a probe cover or a medical catheter.
[0008] In some embodiments, the treatment methods are used to inhibit microorganisms in elastomeric articles.
[0009] In some embodiments, the microorganism comprises one or more of a fungus, a bacteria, and a virus.
[0010] In some embodiments, the fungus includes one or more of Candida albicans, mold, yeast, and Malassezia.
[0011] In some embodiments, the bacteria include one or more of Gram-positive bacteria and Gram-negative bacteria.
[0012] In some embodiments, the Gram-positive bacteria include one or more of hemolytic Streptococcus, Staphylococcus aureus, Staphylococcus epidermidis, coagulase-negative Staphylococcus, Staphylococcus albus, Streptococcus pneumoniae, Propionibacterium acnes, Enterococcus, Enterococcus faecalis, Viridans Streptococcus, and Clostridium difficile.
[0013] In some embodiments, the Gram-negative bacteria include one or more of Salmonella, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Catarrhalis, Shigella dysenteriae, Proteus mirabilis, and Acinetobacter baumannii.
[0014] In some embodiments, the virus includes one or more of influenza A virus, influenza B virus, herpes simplex virus, norovirus, rotavirus, mumps virus, parvovirus, and poliovirus.
[0015] In some embodiments, the elastomeric article has an inhibition rate of ≥ 50% against microorganisms.
[0016] In some embodiments, the elastomeric article has an inhibition rate of ≥ 60% against microorganisms.
[0017] In some embodiments, the elastomeric article has an inhibition rate of ≥ 65% against microorganisms.
[0018] In some embodiments, the elastomeric article has an inhibition rate of ≥ 70% against microorganisms.
[0019] In some embodiments, the elastomeric article has an inhibition rate of ≥ 75% against microorganisms.
[0020] In some embodiments, the elastomeric article has an inhibition rate of ≥ 80% against microorganisms.
[0021] In some embodiments, the elastomeric article has an inhibition rate of ≥ 85% against microorganisms.
[0022] In some embodiments, the elastomeric article has an inhibition rate of ≥ 89% against microorganisms.
[0023] In some embodiments, the photon broadband treatment is performed at a temperature of 15°C-60°C.
[0024] In some embodiments, the photon broadband treatment is performed at a temperature of 35°C-50°C.
[0025] In some embodiments, the photon broadband treatment requires a temperature increase treatment, and the initial temperature of the temperature increase treatment is 15-40°C.
[0026] In some embodiments, the initial temperature of the temperature increase treatment is 20-40°C.
[0027] In some embodiments, the initial temperature of the temperature increase treatment is 25-38°C.
[0028] In some embodiments, the initial temperature of the temperature increase treatment is 32-38°C.
[0029] In some embodiments, the initial temperature of the temperature increasing treatment is 35°C.
[0030] In some embodiments, the temperature increase treatment is performed at a rate of 1-15° C. per minute.
[0031] In some embodiments, the temperature increase treatment is performed at a rate of 1-10° C. per minute.
[0032] In some embodiments, the temperature increase treatment is performed at a rate of 1-5°C per minute.
[0033] In some embodiments, the temperature increase treatment is performed at a rate of 1-3°C per minute.
[0034] In some embodiments, the temperature increase treatment is performed at a rate of 1-2°C per minute.
[0035] In some embodiments, during the heating process, the temperature is less than or equal to 60°C.
[0036] In some embodiments, during the heating process, the temperature is less than or equal to 55°C.
[0037] In some embodiments, during the heating process, the temperature is less than or equal to 52°C.
[0038] In some embodiments, during the heating process, the temperature is less than or equal to 50°C.
[0039] In some embodiments, the duration of the photon broadband treatment is 60 minutes to 360 minutes.
[0040] In some embodiments, the duration of the photon broadband treatment is 120 minutes to 300 minutes.
[0041] In some embodiments, the photon broadband treatment is performed for 120 minutes to 240 minutes.
[0042] In some embodiments, the photon broadband treatment lasts for 150 minutes to 240 minutes.
[0043] In some embodiments, the equipment model for applying the antimicrobial treatment is selected from RRK-168, RRK-220, RRK-390PZ.
[0044] In some embodiments, the equipment model number for applying the antimicrobial treatment is RRK-186.
[0045] In some embodiments, the present invention provides a use of an antimicrobial cabin for antimicrobial treatment of polymer material products.
[0046] In some embodiments, the polymer material includes plastic or rubber, the plastic is polyethylene or polyvinyl chloride, and the rubber is nitrile.
[0047] In some embodiments, the polymer material is an elastomeric material.
[0048] In some embodiments, the elastomeric article comprises a glove, a finger cover, a dental dam, a probe cover, or a medical catheter.
[0049] In some embodiments, the antimicrobial treatment comprises subjecting the elastomeric article to a photonic broadband treatment.
[0050] In some embodiments, the antimicrobial chamber is a photonic antimicrobial chamber.
[0051] In some embodiments, the photon broadband treatment is performed at a temperature of 15°C-60°C.
[0052] In some embodiments, the photon broadband treatment is performed at a temperature of 35°C-50°C.
[0053] In some embodiments, the photon broadband treatment requires a temperature increase treatment, and the initial temperature of the temperature increase treatment is 15-40°C.
[0054] In some embodiments, the initial temperature of the temperature increase treatment is 20-40°C.
[0055] In some embodiments, the initial temperature of the temperature increase treatment is 25-38°C.
[0056] In some embodiments, the initial temperature of the temperature increase treatment is 32-38°C.
[0057] In some embodiments, the initial temperature of the temperature increasing treatment is 35°C.
[0058] In some embodiments, the temperature increase treatment is performed at a rate of 1-15° C. per minute.
[0059] In some embodiments, the temperature increase treatment is performed at a rate of 1-10° C. per minute.
[0060] In some embodiments, the temperature increase treatment is performed at a rate of 1-5°C per minute.
[0061] In some embodiments, the temperature increase treatment is performed at a rate of 1-3°C per minute.
[0062] In some embodiments, the temperature increase treatment is performed at a rate of 1-2°C per minute.
[0063] In some embodiments, during the heating process, the temperature is less than or equal to 55°C.
[0064] In some embodiments, during the heating process, the temperature is less than or equal to 52°C.
[0065] In some embodiments, during the heating process, the temperature is less than or equal to 50°C.
[0066] In some embodiments, the duration of the photon broadband treatment is 60 minutes to 360 minutes.
[0067] In some embodiments, the duration of the photon broadband treatment is 120 minutes to 300 minutes.
[0068] In some embodiments, the photon broadband treatment is performed for 120 minutes to 240 minutes.
[0069] In some embodiments, the photon broadband treatment lasts for 150 minutes to 240 minutes.
[0070] In some embodiments, the microorganism comprises one or more of a fungus, a bacteria, and a virus.
[0071] In some embodiments, the fungus includes one or more of Candida albicans, mold, yeast, and Malassezia.
[0072] In some embodiments, the bacteria include one or more of Gram-positive bacteria and Gram-negative bacteria.
[0073] In some embodiments, the Gram-positive bacteria include one or more of hemolytic Streptococcus, Staphylococcus aureus, Staphylococcus epidermidis, coagulase-negative Staphylococcus, Staphylococcus albus, Streptococcus pneumoniae, Propionibacterium acnes, Enterococcus, Enterococcus faecalis, Viridans Streptococcus, or Clostridium difficile.
[0074] In some embodiments, the Gram-negative bacteria include one or more of Salmonella, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Catarrhalis, Shigella dysenteriae, Proteus mirabilis, and Acinetobacter baumannii.
[0075] In some embodiments, the virus includes one or more of influenza A virus, influenza B virus, herpes simplex virus, norovirus, rotavirus, mumps virus, parvovirus, and poliovirus.
[0076] In one aspect, the present invention provides an antimicrobial elastomeric article, wherein the antimicrobial elastomeric article is prepared by the above-mentioned treatment method.
[0077] On the one hand, the present invention provides the use of the above-mentioned antimicrobial elastomer products in the chemical, medical and food fields.
[0078] "Photon broadband" or "photon broadband antibacterial" is a purely physical antibacterial technology that uses a photon broadband generator to irradiate textiles for a certain period of time through its low nuclear field particle beam to produce photon particles, thereby making the textiles have antibacterial and antibacterial effects, mite removal and deodorization, as well as antiviral effects, and is stable, long-lasting and effective. At present, photon broadband antibacterial technology is mostly used for the sterilization and disinfection of textiles.
[0079] For example, Chinese patent CN219662345U discloses a photon sterilization cabin temperature control device, and Guangdong Renrenkang Technology Co., Ltd. (hereinafter referred to as "Renrenkang") discloses a photon antibacterial cabin, whose equipment models are RRK-168, RRK-220, and RRK-390PZ. The corresponding commercial equipment of photon broadband antibacterial technology has also been applied to a variety of textiles. For example, according to Renrenkang, this physical antibacterial method is suitable for textile fabrics, and its application range includes socks, clothes, towels, home textiles, school bags, curtains, etc. In addition, it discloses that the extended use includes using this antibacterial method for antiviral treatment of masks. For example, after treating the KN953D three-dimensional folding protective mask, it has the effect of resisting influenza A virus. According to public reports, Renrenkang uses this technology, the principle of which is to use the effect of low-nuclear field particle beams to irradiate textile items placed in the cabin for about 3 hours, causing them to produce photogranules. This is a purely physical antibacterial technology (https: / / baike.baidu.com / reference / 59104352 / 533aYdO6cr3_z3kATKXZz6mkYCeSPtWouLaFA-BzzqIP0XOpX5nyFIs88sU0sPRoGUTFtY9xadgTmaf4DUhA7P8Yb7VxH-k).
[0080] In some public channels, this type of related technology is also called "photon broadband physical antibacterial", "textile physical antibacterial", etc. (https: / / www.huangye88.com / xiaoduwang / 88-4d12rs86f73398.html). DETAILED DESCRIPTION
[0081] The technical solution of the present invention is further described below by specific embodiments, which do not limit the protection scope of the present invention. Some non-essential modifications and adjustments made by others based on the concept of the present invention still fall within the protection scope of the present invention.
[0082] Terminology and Sources
[0083] As used herein, “PVC” refers to products made of polyvinyl chloride as the main raw material, and “PE” refers to products made of polyethylene as the main raw material.
[0084] Nitrile gloves, PVC gloves, and PE gloves were purchased from Shandong Yingke Medical Products Co., Ltd.
[0085] The medical surgical masks were purchased from Shandong Yingke Medical Products Co., Ltd. with the manufacturer’s product number YY201-N10. The mask material is non-woven fabric.
[0086] The photon broadband antibacterial equipment uses RRK-168 produced by Guangdong Renkang Technology Co., Ltd.
[0087] The tested bacteria include Staphylococcus aureus ATCC 6538P, Escherichia coli ATCC 8739, Candida albicans ATCC10231, Klebsiella pneumoniae ATCC 4352, from the American Type Culture Collection; Pseudomonas aeruginosa CMCC (B) 10104, from the China Medical Culture Collection.
[0088] Example 1 Preparation of antibacterial nitrile gloves
[0089] The nitrile gloves were placed in a photon broadband antibacterial device for treatment to obtain antibacterial nitrile gloves. The treatment parameters of the device were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C, and the total treatment time was 180 minutes.
[0090] Example 2 Preparation of antibacterial PVC gloves
[0091] The PVC gloves were placed in the photon broadband antibacterial equipment for treatment to obtain antibacterial PVC gloves. The treatment parameters of the equipment were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, and the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C, and the total treatment time was 180 minutes.
[0092] Example 3 Preparation of antibacterial PE gloves
[0093] The PE gloves were placed in the photon broadband antibacterial equipment for treatment to obtain antibacterial PE gloves. The treatment parameters of the equipment were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, and the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C. The total treatment time was 180 minutes.
[0094] Comparative Example 1 Preparation of antibacterial medical surgical mask
[0095] The medical surgical mask was placed in the photon broadband antibacterial equipment for treatment to obtain an antibacterial medical surgical mask. The treatment parameters of the equipment were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, and the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C. The total treatment time was 180 minutes.
[0096] Comparative Example 2 Preparation of No. 1 antibacterial fabric
[0097] The content of fabric No. 1 used in Comparative Example 2 is: 92.0% modal and 8.0% spandex.
[0098] Fabric No. 1 was placed in a photon broadband antibacterial device for treatment to obtain an antibacterial fabric. The treatment parameters of the device were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C, and the total treatment time was 180 minutes.
[0099] Comparative Example 3 Preparation of No. 2 antibacterial fabric
[0100] The content of fabric No. 2 used in Comparative Example 3 is: 91.6% polyester fiber and 8.4% spandex.
[0101] Fabric No. 2 was placed in the photon broadband antibacterial equipment for treatment to obtain antibacterial fabric. The treatment parameters of the equipment were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, and the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C, and the total treatment time was 180 minutes.
[0102] Comparative Example 4 Preparation of No. 3 antibacterial fabric
[0103] The content of fabric No. 3 used in Comparative Example 4 is: 84.2% cotton and 15.8% polyester fiber.
[0104] Fabric No. 3 was placed in the photon broadband antibacterial equipment for treatment to obtain antibacterial fabric. The treatment parameters of the equipment were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, and the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C, and the total treatment time was 180 minutes.
[0105] Comparative Example 5 Preparation of No. 4 antibacterial fabric
[0106] The content of fabric No. 4 used in Comparative Example 5 is: 100.0% cotton.
[0107] Fabric No. 4 was placed in a photon broadband antibacterial device for treatment to obtain an antibacterial fabric. The treatment parameters of the device were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C, and the total treatment time was 180 minutes.
[0108] Comparative Example 6 Preparation of No. 5 antibacterial fabric
[0109] The content of fabric No. 5 used in Comparative Example 6 is: 84.1% cotton and 15.9% polyester fiber.
[0110] Fabric No. 5 was placed in the photon broadband antibacterial equipment for treatment to obtain antibacterial fabric. The treatment parameters of the equipment were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, and the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C, and the total treatment time was 180 minutes.
[0111] Example 4 Antibacterial Performance Test
[0112] The gloves of Examples 1-3, the medical surgical masks of Comparative Example 1, and the fabrics of Comparative Examples 2-6 were tested, and 3 pieces of each material were tested. The antibacterial performance test standards and methods are as follows:
[0113] (1) The gloves were tested using the film method of GB / T 31402-2015. The specific operation is as follows: take a sample of 5*5cm, cover it with a film of 4*4cm, add 0.4ml of bacterial solution, and count the colonies after 24 hours of incubation. Calculate the reduction ratio of the colony count of the control sample and the sample after 24 hours of incubation.
[0114] (2) Medical surgical masks are tested in accordance with GB15979-2012 (Appendix C). The specific operation is as follows: 0.75 g of the sample is sterilized, 70 ml of PBS and 5 ml of bacterial solution are added, and the colony count is performed after oscillation for a certain period of time. The reduction ratio of the colony count before and after oscillation is calculated.
[0115] (3) Fabrics are tested according to GB / T 20944.3-2008.
[0116] The antibacterial test results are shown in Tables 1 and 2.
[0117] The improvement in antibacterial rate was calculated according to Tables 1 and 2. The improvement in antibacterial rate (%) = [(antibacterial rate after treatment - antibacterial rate before treatment) / antibacterial rate before treatment] × 100%. The calculation results are shown in Tables 3 and 4.
[0118] Table 1 Antibacterial performance test results of gloves and medical surgical masks
[0119]
[0120] (Note: The data shown in Table 1 are mean ± standard deviation)
[0121] Table 2 Test results of antibacterial properties of fabrics
[0122]
[0123]
[0124] (Note: The data shown in Table 2 are average values)
[0125] Table 3 Improvement in the antibacterial rate of gloves and medical surgical masks
[0126]
[0127] Table 4 Improvement of antibacterial rate of different fabrics
[0128]
[0129]
[0130] Test Example 1 Preparation of antibacterial nitrile gloves (total treatment time: 240 minutes)
[0131] The nitrile gloves were placed in the photon broadband antibacterial equipment for treatment to obtain antibacterial nitrile gloves. The treatment parameters of the equipment were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, and the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C, and the total treatment time was 240 minutes.
[0132] Test Example 2 Preparation of Antibacterial Nitrile Gloves (Total Treatment Time: 300 Minutes)
[0133] The nitrile gloves were placed in a photon broadband antibacterial device for treatment to obtain antibacterial nitrile gloves. The treatment parameters of the device were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C, and the total treatment time was 300 minutes.
[0134] Test Example 3 Preparation of antibacterial nitrile gloves (total treatment time: 360 minutes)
[0135] The nitrile gloves were placed in the photon broadband antibacterial equipment for treatment to obtain antibacterial nitrile gloves. The treatment parameters of the equipment were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, and the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C, and the total treatment time was 360 minutes.
[0136] Test Example 4 Preparation of antibacterial PVC gloves (total treatment time: 240 minutes)
[0137] The PVC gloves were placed in the photon broadband antibacterial equipment for treatment to obtain antibacterial PVC gloves. The treatment parameters of the equipment were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, and the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C, and the total treatment time was 240 minutes.
[0138] Test Example 5 Preparation of antibacterial PVC gloves (total treatment time: 300 minutes)
[0139] The PVC gloves were placed in the photon broadband antibacterial equipment for treatment to obtain antibacterial PVC gloves. The treatment parameters of the equipment were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, and the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C, and the total treatment time was 300 minutes.
[0140] Test Example 6 Preparation of antibacterial PVC gloves (total treatment time: 360 minutes)
[0141] The PVC gloves were placed in the photon broadband antibacterial equipment for treatment to obtain antibacterial PVC gloves. The treatment parameters of the equipment were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, and the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C, and the total treatment time was 360 minutes.
[0142] Test Example 7 Preparation of antibacterial PE gloves (total treatment time: 240 minutes)
[0143] The PE gloves were placed in the photon broadband antibacterial equipment for treatment to obtain antibacterial PE gloves. The treatment parameters of the equipment were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, and the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C. The total treatment time was 240 minutes.
[0144] Test Example 8 Preparation of antibacterial PE gloves (total treatment time: 300 minutes)
[0145] The PE gloves were placed in the photon broadband antibacterial equipment for treatment to obtain antibacterial PE gloves. The treatment parameters of the equipment were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, and the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C, and the total treatment time was 300 minutes.
[0146] Test Example 9 Preparation of antibacterial PE gloves (total treatment time: 360 minutes)
[0147] The PE gloves were placed in the photon broadband antibacterial equipment for treatment to obtain antibacterial PE gloves. The treatment parameters of the equipment were set as follows: voltage 220V, power 2400W, the initial temperature in the chamber was set to 35°C, the temperature was increased at a rate of 1-2°C per minute, and the temperature was increased to 45°C within 15 minutes, and the temperature in the chamber was finally kept at no more than 50°C, and the total treatment time was 360 minutes.
[0148] Example 5 Antibacterial performance test of gloves with different treatment times
[0149] The gloves of Test Examples 1-9 were tested, and 3 gloves of each material were tested. The antibacterial performance test standards and methods are as follows:
[0150] The gloves were tested using the GB / T 31402-2015 film method. The specific operation is: take a 5*5cm sample, cover it with a 4*4cm film, add 0.4ml of bacterial solution, and count the colonies after culturing for 24 hours. Calculate the reduction ratio of the control sample and the sample colony count after culturing for 24 hours.
[0151] The antibacterial test results are shown in Table 5.
[0152] The improvement in antibacterial rate was calculated according to Table 5: improvement in antibacterial rate (%) = [(antibacterial rate after treatment - antibacterial rate before treatment) / antibacterial rate before treatment] × 100%. The calculation results are shown in Table 6.
[0153] Table 5 Antibacterial performance test results of gloves treated at different times
[0154]
[0155]
[0156]
[0157] (Note: The data shown in Table 5 are mean ± standard deviation)
[0158] Table 6 The improvement of antibacterial rate of gloves at different treatment times
[0159]
[0160] The experiment found that, unlike the antiviral effect of the mask treated with broadband photon antibacterial treatment reported in the prior art, the antibacterial effect of the non-woven mask after broadband photon antibacterial treatment was tested. It was found that for the non-woven mask, broadband photon treatment had poor antibacterial effect on Staphylococcus aureus, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa and Candida albicans (see the results in Table 3). It is worth noting that the non-woven mask treated with broadband photon treatment did not have any improvement in the antibacterial rate against Candida albicans.
[0161] On the contrary, when the test objects were set to nitrile / PVC / PE products, the antibacterial rates of photon broadband treatment for Staphylococcus aureus, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa and Candida albicans were all greater than 90% (see the results in Table 1), which was a greater improvement compared to masks or different fabrics (see the results in Tables 3 and 4), and had very excellent antibacterial properties.
[0162] In particular, the antibacterial effect on Candida albicans is more prominent in the nitrile / PVC / PE test objects than in the classic application objects of other photon broadband antibacterial devices (e.g., textiles) (see the results in Tables 3 and 4. The antibacterial rate of nitrile / PVC / PE products treated with photon broadband against Candida albicans is increased by ≥100%, and even up to 120%). This result is surprising because candidiasis is a fungal disease caused by Candida spp., especially Candida albicans. The pathogen can invade the skin and mucous membranes, and can also affect the internal organs. Usually classified according to the affected parts, the two most common syndromes are mucocutaneous candidiasis (such as oropharyngeal candidiasis or thrush, esophagitis and vaginitis) and invasive or deep organ candidiasis (such as candidemia, chronic disseminated or hepatosplenic candidiasis, endocarditis, etc.). Nitrile / PVC / PE products are often used as medical products such as gloves, which may come into contact with the mucosal skin of patients with lower immunity than ordinary people, such as esophageal mucosa, vaginal mucosa, etc. Therefore, the antibacterial treatment results of such products have such unexpected antibacterial and antimicrobial effects on Candida, which has great practical significance.
[0163] The embodiments described in the present invention are only illustrative examples, and the embodiments of the present invention are not subject to the above limitations. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.
Claims
1. Processing methods for polymer products, including: Applying broadband photon treatment to polymer material products; The polymer material includes plastic or rubber, the plastic is polyethylene or polyvinyl chloride, and the rubber is nitrile.
2. The processing method according to claim 1, characterized in that The polymer material product is an elastomer product; Preferably, the elastomeric article is a glove, a finger cot, a dental dam, a probe cot or a medical catheter; Preferably, the treatment method is used to inhibit microorganisms in elastomeric articles; Preferably, the microorganisms include one or more of fungi, bacteria and viruses; Preferably, the fungus includes one or more of Candida albicans, mold, yeast and Malassezia; Preferably, the bacteria include one or more of Gram-positive bacteria and Gram-negative bacteria; Preferably, the Gram-positive bacteria include one or more of hemolytic streptococci, Staphylococcus aureus, Staphylococcus epidermidis, coagulase-negative staphylococci, Staphylococcus albus, Streptococcus pneumoniae, Propionibacterium acnes, Enterococcus, Enterococcus faecalis, Viridans Streptococcus and Clostridium difficile; Preferably, the Gram-negative bacteria include one or more of Salmonella, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Catarrhalis, Shigella dysenteriae, Proteus mirabilis and Acinetobacter baumannii; Preferably, the virus comprises one or more of influenza A virus, influenza B virus, herpes simplex virus, norovirus, rotavirus, mumps virus, parvovirus and poliovirus.
3. The processing method according to claim 2, characterized in that: The inhibition rate of the elastomer product on microorganisms is ≥50%; Preferably, the inhibition rate of the elastomeric product on microorganisms is ≥ 60%; Preferably, the inhibition rate of the elastomeric product on microorganisms is ≥ 65%; Preferably, the inhibition rate of the elastomeric product on microorganisms is ≥ 70%; Preferably, the inhibition rate of the elastomeric product on microorganisms is ≥ 75%; Preferably, the inhibition rate of the elastomeric product on microorganisms is ≥ 80%; Preferably, the inhibition rate of the elastomeric product on microorganisms is ≥ 85%; Preferably, the inhibition rate of the elastomeric product on microorganisms is ≥ 89%.
4. The processing method according to claim 1, characterized in that: The photon broadband treatment is carried out at a temperature of 15°C-60°C; Preferably, the photon broadband treatment is carried out at a temperature of 35°C-50°C. Preferably, the photon broadband treatment requires a temperature increase treatment, and the initial temperature of the temperature increase treatment is 15-40°C; Preferably, the initial temperature of the heating treatment is 20-40°C; Preferably, the initial temperature of the heating treatment is 25-38°C; Preferably, the initial temperature of the temperature increase treatment is 32-38°C; Preferably, the initial temperature of the heating treatment is 35°C; Preferably, the temperature is increased at a rate of 1-15°C per minute; Preferably, the temperature is increased at a rate of 1-10°C per minute; Preferably, the temperature increase process is performed at a rate of 1-5°C per minute; Preferably, the temperature increase treatment is performed at a rate of 1-3°C per minute; Preferably, the temperature is raised at a rate of 1-2°C per minute. Preferably, during the heating process, the temperature is less than or equal to 60°C; Preferably, during the heating process, the temperature is less than or equal to 55°C; Preferably, during the heating process, the temperature is less than or equal to 52°C; Preferably, during the heating process, the temperature is less than or equal to 50°C; Preferably, the photon broadband treatment lasts for 60 minutes to 360 minutes; Preferably, the photon broadband treatment lasts for 120 minutes to 300 minutes; Preferably, the photon broadband treatment time is 120 minutes to 240 minutes; Preferably, the duration of the photon broadband treatment is 150 minutes to 240 minutes.
5. Use of an antibacterial cabin in antimicrobial treatment of polymer material products, wherein the polymer material comprises plastic or rubber, the plastic is polyethylene or polyvinyl chloride, and the rubber is nitrile; Preferably, the polymer material product is an elastomer product; Preferably, the elastomeric article comprises a glove, a finger cot, a dental dam, a probe cover or a medical catheter.
6. The use according to claim 5, characterized in that The antimicrobial treatment comprises subjecting the elastomeric article to a photonic broadband treatment; Preferably, the antibacterial chamber is a photon antibacterial chamber.
7. The use according to claim 6, characterized in that The photon broadband treatment is carried out at a temperature of 15°C-60°C; Preferably, the photon broadband treatment is carried out at a temperature of 35°C-50°C; Preferably, the photon broadband treatment requires a temperature increase treatment, and the initial temperature of the temperature increase treatment is 15-40°C; Preferably, the initial temperature of the heating treatment is 20-40°C; Preferably, the initial temperature of the heating treatment is 25-38°C; Preferably, the initial temperature of the temperature increase treatment is 32-38°C; Preferably, the initial temperature of the heating treatment is 35°C; Preferably, the temperature is increased at a rate of 1-15°C per minute; Preferably, the temperature is increased at a rate of 1-10°C per minute; Preferably, the temperature increase process is performed at a rate of 1-5°C per minute; Preferably, the temperature increase treatment is performed at a rate of 1-3°C per minute; Preferably, the temperature increase process is performed at a rate of 1-2°C per minute; Preferably, during the heating process, the temperature is less than or equal to 60°C; Preferably, during the heating process, the temperature is less than or equal to 55°C; Preferably, during the heating process, the temperature is less than or equal to 52°C; Preferably, during the heating process, the temperature is less than or equal to 50°C; Preferably, the photon broadband treatment lasts for 60 minutes to 360 minutes; Preferably, the photon broadband treatment lasts for 120 minutes to 300 minutes; Preferably, the photon broadband treatment time is 120 minutes to 240 minutes; Preferably, the duration of the photon broadband treatment is 150 minutes to 240 minutes.
8. The use according to claim 5, characterized in that The microorganisms include one or more of fungi, bacteria and viruses; Preferably, the fungus includes one or more of Candida albicans, mold, yeast and Malassezia; Preferably, the bacteria include one or more of Gram-positive bacteria and Gram-negative bacteria; Preferably, the Gram-positive bacteria include one or more of hemolytic streptococci, Staphylococcus aureus, Staphylococcus epidermidis, coagulase-negative staphylococci, Staphylococcus albus, Streptococcus pneumoniae, Propionibacterium acnes, Enterococcus, Enterococcus faecalis, Viridans Streptococcus and Clostridium difficile; Preferably, the Gram-negative bacteria include one or more of Salmonella, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Catarrhalis, Shigella dysenteriae, Proteus mirabilis and Acinetobacter baumannii; Preferably, the virus comprises one or more of influenza A virus, influenza B virus, herpes simplex virus, norovirus, rotavirus, mumps virus, parvovirus and poliovirus.
9. An antimicrobial elastomeric product, characterized in that The antimicrobial elastomeric product is prepared by the treatment method according to any one of claims 2 to 4.
10. Use of the antimicrobial elastomer product according to claim 9 in the fields of chemical industry, medical treatment and food.
Citation Information
Patent Citations
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