WO2022060091A1 - 항균성 고분자 - Google Patents
항균성 고분자 Download PDFInfo
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- WO2022060091A1 WO2022060091A1 PCT/KR2021/012606 KR2021012606W WO2022060091A1 WO 2022060091 A1 WO2022060091 A1 WO 2022060091A1 KR 2021012606 W KR2021012606 W KR 2021012606W WO 2022060091 A1 WO2022060091 A1 WO 2022060091A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F120/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/10—Esters
- C08F120/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
- C08F120/36—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate containing oxygen in addition to the carboxy oxygen, e.g. 2-N-morpholinoethyl (meth)acrylate or 2-isocyanatoethyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
Definitions
- the present invention relates to an antimicrobial polymer and an antimicrobial polymer composite comprising the same.
- microorganisms such as bacteria and mold can live in various environments such as eating habits, residential environments, clothing, and industrial products.
- it is a problem because it can cause various skin diseases, respiratory diseases, allergies, atopic dermatitis, and the like.
- microorganisms living on the surface of electronic products and household goods it may be a factor of deterioration of product performance.
- the conventionally developed antibacterial agents can be broadly divided into inorganic antibacterial agents and organic antibacterial agents.
- the inorganic antibacterial agent is an antibacterial agent containing a metal such as silver or copper, and has excellent thermal stability and has the advantage that antibacterial properties can be maintained even under high temperature conditions, but it is expensive and there is a possibility of discoloration due to metal ions contained after processing. there is a problem.
- organic antibacterial agents have advantages in that they are inexpensive compared to inorganic antibacterial agents and have an excellent antibacterial effect even in a small amount, but there has been a problem in that antibacterial durability is not good because there is a possibility of dissolution after application to a product.
- the organic antibacterial agent can secure the stability of the product in terms of inhibition of reproduction and death of microorganisms, but at the same time, it is toxic and causes irritation to the user's skin.
- an antimicrobial agent in the form of a polymer that exhibits excellent antibacterial properties and is less likely to be eluted.
- Patent Document 1 Korean Patent No. 10-0601393
- An object of the present invention is to provide an antibacterial polymer exhibiting excellent antibacterial properties.
- the present invention is to provide an antimicrobial polymer composite comprising the antimicrobial polymer.
- the present invention provides an antimicrobial polymer comprising a repeating unit represented by the following formula (1):
- R 1 to R 3 are each independently hydrogen or methyl
- R 4 and R 5 are each independently hydrogen, alkyl having 1 to 10 carbon atoms, or aryl having 6 to 30 carbon atoms,
- L is a single bond or alkylene having 1 to 10 carbon atoms
- n is an integer from 50 to 1,000.
- the present invention provides an antimicrobial polymer composite comprising the antimicrobial polymer described above.
- the antimicrobial polymer according to the present invention has a molecular weight above a certain level, so it has high compatibility with other polymers compared to monomolecular antibacterial agents, can be added during the melt extrusion process, has an excellent effect of inhibiting bacterial growth, and at the same time elutes over time It has the advantage that it doesn't.
- each layer or element is formed “on” or “over” each layer or element, it means that each layer or element is formed directly on each layer or element, or other It means that a layer or element may additionally be formed between each layer, on the object, on the substrate.
- (meth)acrylate used herein includes both acrylate and methacrylate.
- alkyl having 1 to 10 carbon atoms refers to a straight-chain, branched or cyclic alkyl group having 1 to 10 carbon atoms.
- the alkyl group having 1 to 10 carbon atoms is a straight chain alkyl group having 1 to 10 carbon atoms; a straight-chain alkyl group having 1 to 5 carbon atoms; a branched or cyclic alkyl group having 3 to 10 carbon atoms; Or it may be a branched or cyclic alkyl group having 3 to 10 carbon atoms.
- Specific examples include methyl, ethyl, propyl, n-propyl, isopropyl, butyl, n-butyl, isobutyl, tert-butyl, sec-butyl, 1-methyl-butyl, 1-ethyl-butyl, pentyl, n-pentyl , isopentyl, neopentyl, tert-pentyl, hexyl, n-hexyl, 1-methylpentyl, 2-methylpentyl, 4-methyl-2-pentyl, 3,3-dimethylbutyl, 2-ethylbutyl, heptyl, n -Heptyl, 1-methylhexyl, cyclopentylmethyl, cyclohexylmethyl, octyl, n-octyl, tert-octyl, 1-methylheptyl, 2-ethylhexyl, 2-prop
- aryl having 6 to 30 carbon atoms may be a monocyclic or polycyclic aryl group. Specifically, a monocyclic aryl group having 6 to 15 carbon atoms; Or it may be a polycyclic aryl group of 10 to 30. Specific examples of the monocyclic aryl group may include, but are not limited to, a phenyl group, a biphenyl group, and a terphenyl group.
- the polycyclic aryl group may be a naphthyl group, an anthryl group, a phenanthryl group, a pyrenyl group, a perylenyl group, a chrysenyl group, a fluorenyl group, and the like, but is not limited thereto.
- antibacterial agents capable of preventing and/or killing microorganisms such as bacteria on the surface of these household chemical products
- the coating is being done.
- the antimicrobial agent contained in the antimicrobial coating damages the cell membrane or cell wall of the microorganism or induces denaturation of their protein, thereby inhibiting the growth of the microorganism, and thus the reproduction and / or death of the microorganism is made.
- the identified bacteria are not only more than 5,000 species, but also can be classified into Gram-positive bacteria and Gram-negative bacteria according to the cell wall layer, and depending on the degree of demanding oxygen It has various characteristics, such as being classified as aerobic, facultative and anaerobic. Moreover, the bacterial cell shape also varies, such as spherical, rod-shaped, spiral-shaped, and the like. Therefore, it is usually not easy for one type of antibacterial agent to have a physical/chemical mechanism capable of damaging the cell membrane/cell wall or denaturing proteins of various bacteria. Research is being done for
- Gram-negative bacteria that can be stained red when stained with Gram staining are Proteus mirabilis, Escherichia coli, Salmonella typhi, Pseudomonas aeruginosa) and Vibrio cholerae, which are particularly problematic because these Gram-negative bacteria can cause secondary infections such as respiratory-related pneumonia and urinary tract infection in severely immunocompromised patients.
- These Gram-negative bacteria have an outer membrane composed of lipopolysaccharide, lipoprotein, and other complex high molecular substances, instead of having a relatively very thin peptidoglycan cell wall compared to Gram-positive bacteria. Therefore, in order to exhibit antibacterial properties against Gram-negative bacteria, it is necessary to develop an antibacterial agent capable of effectively denaturing or destroying the cell wall or outer membrane.
- the present inventors have discovered that the antimicrobial polymer by van der Waals force induced between the hydrophobic part of the antimicrobial polymer and the hydrophobic cell wall of bacteria such as Gram-negative bacteria.
- the present invention was completed by confirming that it is possible to destroy the cell wall of bacteria according to the hydrophobic diffusion, thereby inhibiting and killing the bacteria.
- the antibacterial polymer has a molecular weight above a certain level, and thus has high compatibility with other polymers compared to a monomolecular type antimicrobial agent.
- the antimicrobial polymer has a high glass transition temperature, so it has an advantage that it can be added during the melt extrusion process.
- an antimicrobial polymer an antimicrobial polymer composite and an antimicrobial article including the same according to specific embodiments of the present invention will be described in more detail.
- the antimicrobial polymer of one embodiment includes a repeating unit represented by the following formula (1):
- R 1 to R 3 are each independently hydrogen or methyl
- R 4 and R 5 are each independently hydrogen, alkyl having 1 to 10 carbon atoms, or aryl having 6 to 30 carbon atoms,
- L is a single bond or alkylene having 1 to 10 carbon atoms
- n is an integer from 50 to 1,000.
- the antibacterial polymer includes a repeating unit derived from an Icaridin-based compound, and the hydrophobicity diffusion due to van der Waals force between the substituents R 4 and R 5 , which are the hydrophobic parts of the repeating unit, and the hydrophobic cell wall of bacteria action will occur. That is, as the antimicrobial polymer diffuses into the cell wall of the bacteria, destruction of the cell wall of the bacteria may be induced, thereby slowing the growth rate of the bacteria.
- the antibacterial polymer comprising a repeating unit derived from an Icaridin-based compound is compared to a polymer comprising a repeating unit derived from menthol and a polymer comprising a repeating unit derived from cholesterol. , by including an alkylene linker such as L and longer aliphatic chain substituents R 4 and R 5 in the repeating unit to better diffuse into the cell wall of bacteria and exhibit excellent antibacterial properties.
- the number of repeating units represented by Formula 1 included in the antimicrobial polymer must be at least 50 or more, that is, n, which means the number of the repeating units, must be 50 or more, and a maximum of 1,000 or less, that is, n is 1,000 or less.
- n is 50 or more, 55 or more, or 60 or more, and may be 1,000 or less, 900 or less, 800 or less, 700 or less, 600 or less, 500 or less, 400 or less, 300 or less, or 200 or less.
- R 1 may be hydrogen or methyl
- R 2 and R 3 may be hydrogen.
- R 1 to R 3 may all be hydrogen.
- L may be a single bond, methylene, ethylene, propylene, or butylene.
- L can be methylene, or ethylene.
- R 4 and R 5 may each independently be an alkyl having 1 to 10 carbon atoms. Specifically, R 4 and R 5 may each independently be methyl, ethyl, or isopropyl.
- R 4 and R 5 may be different from each other.
- R 4 can be methyl and R 5 can be ethyl.
- the antimicrobial polymer may be represented by the following Chemical Formula 1-1:
- n is an integer from 50 to 1,000.
- repeating unit represented by Chemical Formula 1-1 includes all repeating units of stereoisomers represented by the following Chemical Formulas 1-1-1 to 1-1-4, respectively:
- n is an integer from 50 to 1,000.
- the repeating unit represented by Formula 1 may be derived from a monomer compound represented by Formula 1A′.
- the antimicrobial polymer according to an embodiment may be a homopolymer including only the repeating unit represented by Formula 1 above.
- the antimicrobial polymer has the form of a one-dimensional linear polymer having a structure in which repeating units are arranged in a long chain. This is distinguished from a network polymer having a three-dimensional network structure in which repeating units are connected by a separately added crosslinking agent.
- the molecular weight of the polymer can be easily controlled and the viscosity of the antimicrobial polymer can be easily controlled.
- the antimicrobial polymer may have a weight average molecular weight (Mw) of 5,000 to 200,000 g/mol.
- Mw weight average molecular weight
- the weight average molecular weight of the antimicrobial polymer is less than 5,000 g/mol, it exists in the form of a monomer rather than a polymer and can be easily eluted.
- the molecular weight exceeds 200,000 g/mol, the molecular weight increases, which may cause phase separation during formation of the polymer complex, which is not appropriate.
- the weight average molecular weight (Mw, g/mol) of the antimicrobial polymer may be 5,000 or more, 10,000 or more, 20,000 or more, or 30,000 or more, and 200,000 or less, 120,000 or less, or 100,000 or less.
- the weight average molecular weight (Mw) of the antimicrobial polymer can be measured using gel permeation chromatography (GPC) using polystyrene (PS) as a standard sample for calibration. More specifically, after preparing a sample of about 1000 ppm by diluting 200 mg of the antimicrobial polymer in 200 ml N,N-Dimethylformamide (DMF) solvent, using an Agilent 1200 series GPC instrument, the RI detector at 1ml/min Flow Through this, the weight average molecular weight can be measured. In this case, the molecular weight of the sample can be calculated based on a calibration curve using 8 standard PS standards.
- GPC gel permeation chromatography
- PS polystyrene
- the antimicrobial polymer may have a glass transition temperature (Tg) of 0°C to 200°C.
- Tg glass transition temperature
- the glass transition temperature (Tg) of the antimicrobial polymer is too low, there may be adverse effects on the mechanical properties of the existing polymer when forming the polymer composite, and when the glass transition temperature (Tg) is too high, phase separation during processing of the antimicrobial polymer composite There may be symptoms and a decrease in antibacterial activity.
- Such an antibacterial polymer may exhibit an excellent antibacterial effect against microorganisms, particularly Gram-negative bacteria.
- the antimicrobial polymer may exhibit antibacterial properties against Proteus mirabilis, which generates a secondary odor through ammonia generation.
- the antimicrobial polymer may exhibit antibacterial properties against Gram-negative bacteria such as Escherichia coli.
- Proteus mirabilis is a Gram-negative bacilli, facultative anaerobic or aerobic bacteria, distributed in various environments, and can infect the respiratory tract or skin of humans and animals and cause urinary system-related diseases. .
- Proteus mirabilis can cause odor as it alkalizes urine, allowing ammonia to be excreted.
- the antibacterial evaluation of the antimicrobial polymer against Proteus mirabilis can be measured using absorbance, and the measured accordingly, the antibacterial polymer Proteus mirabilis of the antimicrobial polymer calculated by Equation 1
- the rate of inhibition of bacterial growth may be 40% or more.
- an antimicrobial polymer composite including the antimicrobial polymer described above.
- the antibacterial polymer polymethyl methacrylate (PMMA), polyethylene (PE), polypropylene (PP), polystyrene (PS), polyamide (PA), polyimide (PI), polyethylene terephthalate (PET), polyvinyl chloride (PVC), acryloyl-butadiene-styrene (ABS), and may further include one or more polymers selected from the group consisting of polyacrylic acid (PA).
- PA polyacrylic acid
- the above-described antimicrobial polymer has an appropriate weight average molecular weight and can exhibit high compatibility with these polymers.
- the antimicrobial polymer composite can be easily manufactured by adding the antimicrobial polymer and other polymers together during the melt extrusion process, and the manufactured antimicrobial polymer composite exhibits excellent antibacterial activity against bacteria such as gram-negative bacteria, and at the same time, this antibacterial activity is maintained for a long time. It can be maintained even after lapse and is suitable in terms of human safety.
- the antimicrobial polymer in the antimicrobial polymer complex, may be included in an amount of 0.5 to 50% by weight based on the total weight of the antimicrobial polymer complex.
- the antimicrobial polymer in the antimicrobial polymer complex is included in an excessively low content, it is difficult to exhibit a sufficient antibacterial effect, and when it is included in an excessively high content, it may pose a risk to the user's normal cells in addition to microorganisms that generate odor components. It is not suitable in terms of human safety.
- the antimicrobial polymer is 1 wt% or more, 5 wt% or more, 10 wt% or more, 15 wt% or more, or 20 wt% or more, based on the total weight of the antimicrobial polymer complex, and 45 wt% % or less, 40 wt% or less, 35 wt% or less, or 30 wt% or less.
- the antimicrobial polymer composite can be used in household chemical products requiring antibacterial properties.
- Step 2 Preparation of antimicrobial polymer PIA-1
- PIA-1 represented by Chemical Formula 1-1 (4.1 g, yield: 82%).
- the prepared polymer PIA-1 was a single polymer composed of the above-described repeating units, and the weight average molecular weight of the single polymer was 38,600 g/mol, and n was 68.
- the weight average molecular weight of the polymer was measured using GPC (Agilent 1200 series GPC), and was measured by dissolving the polymer in DMF.
- PIA-2 represented by Chemical Formula 1-1 (4.9 g, yield: 98%).
- the prepared polymer PIA-2 was a single polymer composed of the above-described repeating units, and the weight average molecular weight of the single polymer was 96,000 g/mol, and n was 169.
- the weight average molecular weight of the polymer was measured using GPC (Agilent 1200 series GPC), and was measured by dissolving the polymer in DMF.
- PIA-2 represented by Chemical Formula 1-1 (3.2 g, yield: 64%).
- the prepared polymer PIA-2 was a single polymer composed of the above-described repeating units, and the weight average molecular weight of the single polymer was 184,000 g/mol, and n was 324.
- the weight average molecular weight of the polymer was measured using GPC (Agilent 1200 series GPC), and was measured by dissolving the polymer in DMF.
- Step 2 Preparation of polymer PMA (polymentholyl acrylate)
- the prepared polymer PMA was a single polymer composed of the above-described repeating units, and the weight average molecular weight of the single polymer was 26,200 g/mol, and n was 83.
- the weight average molecular weight of the polymer was measured using GPC (Agilent 1200 series GPC), and was measured by dissolving the polymer in DMF.
- Antibacterial tests were performed on the antimicrobial polymers prepared in Examples and Comparative Examples. Specifically, the rate of inhibition of bacterial growth (%) was measured in the following manner as an antibacterial test. In addition, the inhibition rate of bacterial growth of single molecules Icaridin and Menthol acrylate was also measured in the same manner and shown in Comparative Examples 2 and 3.
- Antibacterial tests were performed on the antimicrobial polymers prepared in Examples and Comparative Examples. Specifically, based on the ASTM E 2149 antibacterial test method, the bacteria reduction rate (%) was measured in the following way. In addition, the reduction rates of the monomolecular Icaridin and Menthol acrylate were also measured in the same manner and are shown in Comparative Examples 2 and 3.
- C s is the number of microorganisms in the experimental group (CFU/ml), which can be identified as the number of colonies formed on the TSA Agar plate, and C 0 is the number of microorganisms in the control group. it means.
- Example 1 Example 2 Example 3 Comparative Example 1 Comparative Example 2 Comparative Example 3 antibacterial polymer PIA-1 PIA-2 PIA-3 PMA Icaridin Menthol acrylate Bacterial growth inhibition rate (%) 1) 46.88 52.31 50.19 19.20 11.24 0.2 1 hour bacteria reduction rate 2) (%) 15.37 17.29 18.60 5.27 3.17 0 24 hour bacteria reduction rate 3) (%) 48.21 59.23 61.27 22.78 13.89 0 1) Bacterial growth inhibition rate confirmed using absorbance measurement 2) Bacteria reduction rate confirmed after 1 hour of contact using ASTM E 2149 test method 3) Bacteria reduction rate confirmed after 24 hours of contact using ASTM E 2149 test method
- the antimicrobial polymer of Examples exhibits antibacterial properties against gram-negative bacteria, Proteus mirabilis.
- the antimicrobial polymer of Comparative Example 1 prepared by homopolymerization after introduction of a polymerizable functional group to menthol It can be seen that the antibacterial properties are significantly improved compared to that of the present invention.
- antimicrobial polymers of Examples 1 and 2 exhibit superior antibacterial properties compared to single molecules Icaridin and menthol acrylate.
- the polymer containing the repeating unit represented by the above formula (1) has a molecular weight above a certain level, and unlike the monomolecular type antibacterial agent, it can be used during the melt extrusion process with high mixing with other polymers, as well as It can be seen that the antibacterial properties against Gram-negative bacteria are excellent compared to polymers using other terpene-based compounds.
- Poly(Methyl methacrylate) (TCI chemical, CAS RN: 9011-14-7) was put into a Mixed Torque Rheometer (HAPRO), and the temperature was raised to 160°C and mixed for 5 minutes.
- PIA-2 and icaridin were each added in an amount of 40 parts by weight based on 100 parts by weight of Poly(Methyl methacrylate), mixed at a temperature of 160° C. for 30 minutes, and cooled to room temperature to obtain a sample.
- Step 1 From 30°C to 150°C 10°C/min nitrogen environment Step 2 Hold at 150°C for 10 minutes 0 Step 3 150°C to 50°C -10°C/min Step 4 50°C to 600°C 10°C/min
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Abstract
Description
| 실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 | 비교예 2 | 비교예 3 | |
| 항균성 고분자 | PIA-1 | PIA-2 | PIA-3 | PMA | Icaridin | Menthol acrylate |
| 균증식 억제율(%)1) | 46.88 | 52.31 | 50.19 | 19.20 | 11.24 | 0.2 |
| 1시간 균 감소율2) (%) | 15.37 | 17.29 | 18.60 | 5.27 | 3.17 | 0 |
| 24시간 균 감소율3)(%) | 48.21 | 59.23 | 61.27 | 22.78 | 13.89 | 0 |
| 1) 흡광도 측정법을 이용하여 확인한 균 증식 억제율 2) ASTM E 2149 시험법을 이용하여 1시간 접촉 후 확인한 균 감소율 3) ASTM E 2149 시험법을 이용하여 24시간 접촉 후 확인한 균 감소율 |
||||||
| 온도 설정 | 속도 | 환경 | |
| 단계 1 | 30℃부터 150℃까지 | 10℃/min | 질소 환경 |
| 단계 2 | 150℃에서 10분간 유지 | 0 | |
| 단계 3 | 150℃에서 50℃까지 | -10℃/min | |
| 단계 4 | 50℃에서 600℃까지 | 10℃/min |
Claims (10)
- 제1항에 있어서,R4 및 R5는 각각 독립적으로 메틸, 에틸, 또는 이소프로필인,항균성 고분자.
- 제1항에 있어서,L은 메틸렌, 또는 에틸렌인,항균성 고분자.
- 제1항에 있어서,상기 항균성 고분자는 상기 화학식 1로 표시되는 반복단위만을 포함하는 호모폴리머인,항균성 고분자.
- 제1항에 있어서,상기 항균성 고분자는 중량평균분자량이 5,000 내지 200,000 g/mol인,항균성 고분자.
- 제1항에 있어서,상기 항균성 고분자는 그람음성균(Gram-negative bacteria)에 대해 항균성을 나타내는,항균성 고분자.
- 제7항에 있어서,상기 그람음성균은 프로테우스 미라빌리스(Proteus mirabilis), 또는 대장균(Escherichia coli)인,항균성 고분자.
- 제1항 내지 제8항 중 어느 한 항에 따른 항균성 고분자를 포함하는,항균성 고분자 복합체.
- 제9항에 있어서,상기 항균성 고분자 복합체는 폴리메틸메타크릴레이트(PMMA), 폴리에틸렌(PE), 폴리프로필렌(PP), 폴리스티렌(PS), 폴리아미드(PA), 폴리이미드(PI), 폴리에틸렌테레프탈레이트(PET), 폴리비닐클로라이드(PVC), 아크릴로일-부타디엔-스타이렌(ABS) 및 폴리아크릴산(PA)으로 구성되는 군으로부터 선택되는 1종 이상의 고분자를 더 포함하는,항균성 고분자 복합체.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022541266A JP7562203B2 (ja) | 2020-09-16 | 2021-09-15 | 抗菌性高分子 |
| EP21869713.4A EP4063407A4 (en) | 2020-09-16 | 2021-09-15 | ANTIBACTERIAL POLYMER |
| CN202180007799.5A CN114901708B (zh) | 2020-09-16 | 2021-09-15 | 抗菌聚合物 |
| US17/791,423 US12534552B2 (en) | 2020-09-16 | 2021-09-15 | Antibacterial polymer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2020-0119287 | 2020-09-16 | ||
| KR20200119287 | 2020-09-16 | ||
| KR10-2021-0122917 | 2021-09-15 | ||
| KR1020210122917A KR102797462B1 (ko) | 2020-09-16 | 2021-09-15 | 항균성 고분자 |
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| Publication Number | Publication Date |
|---|---|
| WO2022060091A1 true WO2022060091A1 (ko) | 2022-03-24 |
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| PCT/KR2021/012606 Ceased WO2022060091A1 (ko) | 2020-09-16 | 2021-09-15 | 항균성 고분자 |
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| Publication number | Publication date |
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| US20230331883A1 (en) | 2023-10-19 |
| JP7562203B2 (ja) | 2024-10-07 |
| US12534552B2 (en) | 2026-01-27 |
| JP2023541080A (ja) | 2023-09-28 |
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