WO2025005516A1 - 항균 수지 및 이를 포함하는 성형체 - Google Patents
항균 수지 및 이를 포함하는 성형체 Download PDFInfo
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- WO2025005516A1 WO2025005516A1 PCT/KR2024/007611 KR2024007611W WO2025005516A1 WO 2025005516 A1 WO2025005516 A1 WO 2025005516A1 KR 2024007611 W KR2024007611 W KR 2024007611W WO 2025005516 A1 WO2025005516 A1 WO 2025005516A1
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- antibacterial
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- antibacterial resin
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/02—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof
- A01N37/04—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof polybasic
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P1/00—Disinfectants; Antimicrobial compounds or mixtures thereof
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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
- C08F220/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
Definitions
- the present specification relates to an antibacterial resin and a molded article comprising the same.
- Microorganisms that threaten this Microorganisms that exist in the daily living environment are diverse in type and are widely distributed in nature, so the damage is serious.
- microorganisms such as bacteria and molds can inhabit various environments such as eating habits, living environments, clothing, and industrial products. At this time, bacteria can cause various inflammations or food poisoning, and molds can cause problems not only by generating bad odors but also by causing various skin diseases, respiratory diseases, and allergies. In addition, microorganisms living on the surfaces of electronic products and household goods can also be a factor in lowering the performance of the products.
- the inorganic antibacterial agents are antibacterial agents containing metals such as silver or copper, and have the advantage of excellent thermal stability, so that antibacterial properties can be maintained even under high-temperature conditions.
- the organic antibacterial agents have the advantage of being cheaper than inorganic antibacterial agents and having excellent antibacterial effects even in small amounts.
- they have the problem of poor antibacterial sustainability because they can be eluted after application to a product.
- GPPS general purpose polystyrene
- inorganic antibacterial agents Cu, Ag, etc.
- the durability is reduced, and problems arise due to toxicity depending on the substance used.
- the present specification provides an antibacterial resin and a molded article comprising the same.
- an antibacterial resin including a copolymer including a first unit derived from a monomer represented by the following chemical formula 1; and a second unit derived from an alkyl acrylate or an alkyl methacrylate.
- L1 is a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms
- R1 to R3 are the same or different, and each independently represents a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms, and the remaining one represents a substituted or unsubstituted alkyl group having 5 to 20 carbon atoms,
- R4 to R6 are the same or different from each other and are each independently hydrogen or a methyl group
- X - is trifluoromethanesulfonate, methanesulfonate, tetrafluoroborate, methyl sulfate, malate, tartrate, vanillate, syringate, hexafluorophosphate, thiocyanate, or trifluoroacetate.
- Another embodiment of the present disclosure provides a molded article comprising the antibacterial resin described above or manufactured therefrom.
- Antibacterial resins according to some embodiments of the present specification have excellent antibacterial properties.
- Antibacterial resins according to some embodiments of the present specification can exhibit antibacterial properties within a short period of time.
- the antibacterial resin according to some embodiments of this specification has little change in antibacterial activity depending on the amount of antibacterial material used, it can exhibit antibacterial activity within the predicted range even when unintentional concentration unevenness occurs when applied to a product. Accordingly, the antibacterial activity is controlled within a specific range, so that excellent antibacterial activity can be safely provided.
- Antibacterial resins according to some embodiments of the present specification have low toxicity, which can solve safety issues.
- Antibacterial resins according to some embodiments of the present specification can solve safety problems caused by leakage of antibacterial substances.
- Antibacterial resins according to some embodiments of the present specification have excellent heat resistance and thus have the characteristic of maintaining antibacterial activity even after a high-temperature process.
- Figure 1 is a diagram showing the NMR measurement results of monomer 1-1' manufactured in Manufacturing Example 1.
- Figure 2 is a diagram showing the TGA measurement results for each of antibacterial resins 1, 2, and A manufactured in Manufacturing Examples 1 and 2 and Comparative Manufacturing Example 1.
- Figure 3 (a) is a diagram showing the appearance of antibacterial resins 1 and A manufactured in Manufacturing Example 1 and Comparative Manufacturing Example 1, respectively, after heat treatment at 180°C.
- Figure 3 (b) is a diagram showing the appearance of antibacterial resins 1 and A manufactured in Manufacturing Example 1 and Comparative Manufacturing Example 1, respectively, after heat treatment at 220°C.
- an antibacterial resin including a copolymer including a first unit derived from a monomer represented by the following chemical formula 1; and a second unit derived from an alkyl acrylate or an alkyl methacrylate.
- L1 is a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms
- R1 to R3 are the same or different, and each independently represents a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms, and the remaining one represents a substituted or unsubstituted alkyl group having 5 to 20 carbon atoms,
- R4 to R6 are the same or different from each other and are each independently hydrogen or a methyl group
- X - is trifluoromethanesulfonate, methanesulfonate, tetrafluoroborate, methyl sulfate, malate, tartrate, vanillate, syringate, hexafluorophosphate, thiocyanate, or trifluoroacetate.
- bacteria there are so many different types of bacteria that there are over 5,000 confirmed species. Specifically, they can be divided into aerobic bacteria, facultative bacteria, and anaerobic bacteria depending on the degree of oxygen requirement, and their shapes are also divided into various shapes such as spherical, rod-shaped, and spiral-shaped. Therefore, it is not easy for one type of antimicrobial agent to have a physical and/or chemical mechanism that can damage or denature the cell membrane and/or cell wall of various bacteria.
- inorganic antibacterial agents In the past, in order to impart antibacterial properties to materials, antibacterial agents were simply mixed with polymers, and inorganic antibacterial agents or organic antibacterial agents were used.
- the inorganic antibacterial agents are expensive, easily cause discoloration of materials, and can deteriorate the physical properties of polymers during processing such as extrusion or injection.
- inorganic antibacterial agents have the disadvantage of low antibacterial effectiveness.
- the above organic antibacterial agent itself has poor stability against the human body and poor thermal stability, so it has the disadvantage of low antibacterial persistence.
- a polymerizable organic antibacterial agent is applied to polymerization, there is a problem that the polymerization efficiency or conversion rate often decreases or the inherent advantages of the polymer are damaged.
- the antibacterial resin according to the present invention does not contain an inorganic antibacterial agent, so it can overcome disadvantages such as discoloration and reduced transparency.
- the antibacterial substance is not included as a separate substance in the antibacterial resin itself, but is polymerized as a monomer and included as a repeating unit forming the main chain in the polymer, there is no concern about it being eluted, so it has the advantage of excellent human safety and maintaining antibacterial sustainability. That is, the antibacterial resin of the present invention exhibits excellent antibacterial properties and antibacterial sustainability.
- the antibacterial resin of the present invention can maintain its antibacterial properties even after undergoing the above-mentioned high-temperature molding process by applying a specific anion.
- “monomer” means a unit compound that can be converted into a polymer compound by a polymerization reaction, and structures derived therefrom can become repeating units in a polymer or copolymer. Specifically, this means that the compound is polymerized and bound to a polymer, and all or part of two or more substituents in the structure of the compound are removed and a radical for bonding to another unit of the polymer is positioned at that position. At this time, the compound can be polymerized in any order and included in a bound state in the polymer.
- derived means that a new bond is formed when a bond between at least two adjacent elements in a compound is broken or a hydrogen or substituent is removed
- a unit derived from the compound may mean a unit forming at least one of a main chain and a side chain of a polymer. The unit may be included in the main chain of the polymer to form a polymer.
- weight average molecular weight refers to one of the average molecular weights in which the molecular weight of a polymer substance is not uniform and is used as a standard, and is a value obtained by averaging the molecular weights of component molecular species of a polymer compound having a molecular weight distribution by weight fraction.
- properties whose properties are affected by temperature are properties measured at room temperature, unless otherwise specified.
- room temperature means a natural temperature that is neither heated nor cooled, for example, a temperature within a range of about 10°C to 30°C, for example, a temperature of about 15°C, about 18°C, about 20°C, about 23°C, or about 25°C.
- the unit of temperature is °C.
- the properties are properties measured at atmospheric pressure unless otherwise specified.
- normal pressure refers to a natural pressure that is neither pressurized nor depressurized, and is usually about 1 atm (about 700 to 800 mmHg).
- the properties are properties measured at room temperature and pressure and at a humidity that is not specifically controlled.
- the "alkyl group” may be linear or branched, and the number of carbon atoms is not particularly limited, but is preferably 1 to 60. In one embodiment of the present specification, the number of carbon atoms of the alkyl group is 1 to 30.
- alkyl group examples include, but are not limited to, a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, an isobutyl group, a tert-butyl group, a pentyl group, a hexyl group, a heptyl group, an octyl group, a nonyl group, a decyl group, an undecyl group, a dodecyl group, a tridecyl group, and the like.
- alkylene group means a divalent group, i.e., an alkyl group having two bonding positions.
- the description of the alkyl group described above may be applied to each of these groups, except that they are each divalent.
- * means an attachment point within the copolymer.
- the attachment point may be a point where the same units are attached to each other, or a point where different units are attached.
- * means both a portion where the first units are attached to each other, and a portion where the first unit and the second unit are attached.
- the first unit is represented by the following chemical formula 1-A.
- L1 is a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms
- R1 to R3 are the same or different, and each independently represents a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms, and the remaining one represents a substituted or unsubstituted alkyl group having 5 to 20 carbon atoms,
- R4 to R6 are the same or different from each other and are each independently hydrogen or a methyl group
- X - is trifluoromethanesulfonate, methanesulfonate, tetrafluoroborate, methylsulfate, malate, tetratrate, vanillate, syringate, hexafluorophosphate, thiocyanate, or trifluoroacetate,
- n1 is an integer between 1 and 10,000
- the quaternary ammonium cation included in the first unit has a linker (L1) connected to the main chain and three terminal groups (R1 to R3).
- L1 is an alkylene group having 1 to 10 carbon atoms.
- L1 is a straight-chain alkylene group having 1 to 10 carbon atoms.
- L1 is an alkylene group having 1 to 4 carbon atoms.
- L1 is a methylene group; an ethylene group; or a propylene group.
- L1 is an ethylene group.
- two of R1 to R3 are the same as or different from each other, and each independently is an alkyl group having 1 to 4 carbon atoms, and the remaining one is an alkyl group having 5 to 20 carbon atoms.
- one of R1 to R3 is a straight-chain alkyl group having 5 to 20 carbon atoms.
- all of R1 to R3 are alkyl groups having less than 5 carbon atoms, there is a problem that antibacterial properties are not exhibited, and if even one of R1 to R3 is an alkyl group having more than 20 carbon atoms, there is a problem that the starting material for producing the copolymer does not dissolve in the solvent, making synthesis impossible.
- two of R1 to R3 are the same as or different from each other, and each independently is a methyl group or an ethyl group, and the remaining one is an alkyl group having 5 to 20 carbon atoms.
- two of R1 to R3 that are not alkyl groups having 5 to 20 carbon atoms are the same.
- two of R1 to R3 are each a methyl group, and the remaining one is an alkyl group having 5 to 20 carbon atoms.
- R2 and R3 are the same as or different from each other, and each independently is an alkyl group having 1 to 4 carbon atoms, and R1 is an alkyl group having 5 to 20 carbon atoms.
- R2 and R3 are each a methyl group, and R1 is an alkyl group having 5 to 20 carbon atoms.
- R4 to R6 are the same as or different from each other, and are each independently hydrogen or a methyl group.
- R5 and R6 are each hydrogen.
- R4 is hydrogen or a methyl group.
- the chemical formula 1 is the following chemical formula 1-1 or 1-2.
- L1 is a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms
- R4 is hydrogen or a methyl group
- b1 is an integer from 2 to 9
- b2 is an integer from 1 to 8
- X - is trifluoromethanesulfonate, methanesulfonate, tetrafluoroborate, methyl sulfate, malate, tartrate, vanillate, syringate, hexafluorophosphate, thiocyanate, or trifluoroacetate.
- the first unit is the following chemical formula 1-A-1 or 1-A-2.
- R4 is hydrogen or a methyl group
- b1 is an integer from 2 to 9
- b2 is an integer from 1 to 8
- X - is trifluoromethanesulfonate, methanesulfonate, tetrafluoroborate, methylsulfate, malate, tetratrate, vanillate, syringate, hexafluorophosphate, thiocyanate, or trifluoroacetate,
- n1 is an integer between 1 and 10,000
- the trifluoromethanesulfonate is CF 3 SO 3 - or It is displayed as .
- the methanesulfonate is CH 3 SO 3 - or It is displayed as .
- the tetrafluoroborate is BF 4 - or It is displayed as .
- the methylsulfate is CH 3 OSO 3 - or It is displayed as .
- the maleate is It is displayed as .
- the tartrate is It is displayed as .
- the vanillate is It is displayed as .
- the syringeate is It is displayed as .
- the hexafluorophosphate is PF 6 - or It is displayed as .
- the thiocyanate is SCN - or It is displayed as .
- the trifluoroacetate is CF 3 COO - or It is displayed as .
- the chemical formula 1 is one of the following structures.
- n1 is an integer from 3 to 10,000. Specifically, it is an integer from 10 to 8,000, an integer from 20 to 5,000, an integer from 20 to 1,000, or an integer from 20 to 500.
- the first unit is an antibacterial material. That is, the copolymer exhibits antibacterial properties by including the first unit. Specifically, the copolymer exhibits antibacterial properties against bacteria (at least one of gram-positive bacteria, gram-negative bacteria, and Escherichia coli) by including the first unit. More specifically, in general, cell walls of bacteria and the like are often negatively charged.
- a cation of a quaternary ammonium having an alkyl group of a specific carbon number is electrostatically adsorbed to the cell wall of the bacteria, and thereafter, by interaction with the alkyl group (R1 to R3) of a quaternary ammonium salt exhibiting hydrophobicity, the cell surface structure of the bacteria may be coated and/or destroyed, thereby exhibiting antibacterial properties.
- the second unit derived from the alkyl acrylate or alkyl methacrylate may have a structure in which a double bond of an acrylate group is broken to form a repeating unit.
- the alkyl acrylate or alkyl methacrylate is selected from the group consisting of methyl acrylate, ethyl acrylate, propyl acrylate, isopropyl acrylate, n-butylacrylate, isobutylacrylate, n-amyl acrylate, isoamyl acrylate, n-ethylhexylacrylate, 2-ethylhexylacrylate, methyl methacrylate, ethyl methacrylate, propyl methacrylate, isopropyl methacrylate, n-butyl methacrylate, isobutyl methacrylate, n-amyl methacrylate, isoamyl methacrylate, n-hexyl methacrylate, n-ethylhexyl methacrylate, 2-ethylhexyl methacrylate, lauryl acrylate, ceryl acrylate, ceryl acrylate,
- the second unit is represented by the following chemical formula 2.
- R11 is an alkyl group
- R12 is hydrogen or methyl group
- n2 is an integer between 1 and 10,000
- n2 is an integer from 3 to 10,000. Specifically, it is an integer from 10 to 8,000, an integer from 20 to 5,000, an integer from 20 to 1,000, or an integer from 20 to 500.
- the copolymer is a random copolymer, an alternating copolymer, or a block copolymer. Specifically, the copolymer is a random copolymer.
- the first unit and the second unit are included in the main chain of the copolymer.
- the first unit is included in the main chain of the copolymer, and the second unit is included in the side chain of the copolymer.
- the first unit is included in a side chain of the copolymer, and the second unit is included in a main chain of the copolymer.
- the copolymer includes a third unit represented by the following chemical formula 3.
- L1 is a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms
- R1 to R3 are the same or different, and each independently represents a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms, and the remaining one represents a substituted or unsubstituted alkyl group having 5 to 20 carbon atoms,
- R11 is an alkyl group
- R4 and R12 are the same or different and are each independently hydrogen or methyl group
- X - is trifluoromethanesulfonate, methanesulfonate, tetrafluoroborate, methylsulfate, malate, tetratrate, vanillate, syringate, hexafluorophosphate, thiocyanate, or trifluoroacetate,
- n1 and n2 are integers from 1 to 10,000, respectively,
- a copolymer including a first unit derived from a monomer represented by the chemical formula 1; and a second unit derived from an alkyl acrylate or alkyl methacrylate is represented by the chemical formula 3.
- R11 is an alkyl group having 1 to 10 carbon atoms.
- R11 is a straight-chain alkyl group having 1 to 10 carbon atoms.
- R11 is a methyl group; an ethyl group; or a propyl group.
- the copolymer may have a weight average molecular weight (Mw) of 10,000 to 1,000,000 g/mol. If the weight average molecular weight of the copolymer is less than 10,000 g/mol, some molecules may exist in the form of monomers or oligomers rather than polymers, which may easily be eluted, and furthermore, a problem of absorption into the human body may occur due to the low molecular weight. In addition, if the weight average molecular weight of the copolymer exceeds 1,000,000 g/mol, there may be a problem with processability.
- Mw weight average molecular weight
- the copolymer may have a weight average molecular weight (Mw; g/mol) of 10,000 or more, 15,000 or more, 20,000 or more, 23,000 or more, or 25,000 or more, and 1,000,000 or less, 500,000 or less, 300,000 or less, 100,000 or less, 50,000 or less, 40,000 or less, or 35,000 or less.
- Mw weight average molecular weight
- the number average molecular weight (Mn) of the antibacterial resin is 10,000 g/mol to 800,000 g/mol. More preferably, the number average molecular weight (Mn; g/mol) of the antibacterial resin may be 15,000 or more, 20,000 or more, 25,000 or more, 30,000 or more, 35,000 or more, or 40,000 or more, and 150,000 or less, 100,000 or less, 90,000 or less, or 80,000 or less.
- the weight average molecular weight (Mw) of the copolymer can be measured using gel permeation chromatography (GPC) using polymethyl methacrylate (PMMA) as a standard sample for calibration. More specifically, 200 mg of the copolymer is diluted in 200 mL of N,N-Dimethylformamide (DMF) solvent to prepare a sample of about 1000 ppm, and then the weight average molecular weight can be measured using an RI detector at a flow rate of 1 mL/min using an Agilent 1200 series GPC instrument. At this time, the molecular weight of the sample can be calculated based on a calibration curve created using 8 types of standard PMMA standards.
- GPC gel permeation chromatography
- DMF N,N-Dimethylformamide
- the molecular weight distribution (Mw/Mn) of the copolymer may be in the range of 1 to 3.
- the molecular weight distribution may be, in other examples, 1.1 or more, 1.2 or more, 1.3 or more, or 1.4 or more, or 2.8 or less, 2.6 or less, 2.4 or less, 2.2 or less, 2.0 or less, 1.8 or less, or 1.6 or less.
- the copolymer is an antibacterial copolymer exhibiting antibacterial activity.
- the weight average molecular weight, number average molecular weight and molecular weight distribution of the antibacterial resin may be the same as those of the copolymer.
- the molar ratio of the first unit and the second unit in the copolymer is 10:90 to 80:20.
- the first unit is included in an amount of 10 mol% to 80 mol% based on the total number of moles of the first unit and the second unit in the copolymer. If the content of the first unit is less than 10 mol%, it is difficult to exhibit a sufficient antibacterial effect, and if the content of the first unit is more than 80 mol%, there is a problem that the processability is reduced, making it difficult to apply in real life.
- the first unit is included in an amount of 10 mass% or more, 15 mass% or more, 20 mass% or more, 25 mass% or more, or 30 mass% or more, and 75 mass% or less, 70 mass% or less, 60 mass% or less, or 50 mass% or less, based on the total mass of the first unit and the second unit in the copolymer.
- the antibacterial resin exhibits antibacterial properties against at least one of gram-positive bacteria, gram-negative bacteria, and fungi.
- Gram-positive bacteria are a general term for bacteria that are stained purple when stained with the Gram staining method.
- the cell wall of Gram-positive bacteria is composed of multiple layers of peptidoglycan, so that even when stained with a basic dye such as crystal violet and then treated with ethanol, the bacteria do not discolor and instead display a purple color.
- the gram-positive bacteria are selected from Enterococcus faecalis, Staphylococcus aureus, Streptococcus pneumoniae, Enterococcus faecium, and Lactobacillus lactis. Specifically, any one selected from the above-mentioned examples is preferred, but is not limited thereto.
- gram-negative bacteria are a general term for bacteria that are stained red when stained with the Gram staining method, and instead of having a cell wall with a relatively small amount of peptidoglycan compared to gram-positive bacteria, have an outer membrane composed of lipopolysaccharides, lipoproteins, and/or other complex polymeric substances.
- the gram-negative bacteria are selected from Proteus mirabilis, Escherichia coli, Salmonella typhi, Pseudomonas aeruginosa, and Vibrio cholerae. Specifically, any one selected from the examples described above is preferred, but is not limited thereto.
- the fungus may be, but is not limited to, Candida albicans.
- the antimicrobial activity of the above copolymer against bacteria can be measured according to JIS Z 2801 (Measurement of Antimicrobial Activity on Plastic and Nonporous Surfaces) or ASTM E2149 (Determining the Antimicrobial Activity of Immobilized Antimicrobial Agents Under Dynamic Contact Conditions).
- the antibacterial property can be measured by ASTM E2149 as follows.
- 1 g of antibacterial resin is placed in a 250 mL Erlenmeyer flask, 50 mL of phosphate buffered saline (PBS) inoculated with 2 x 10 5 CFU/mL of E. coli ATCC 25922 strain is added, and cultured in a shaking incubator maintained at 35°C for 1 hour.
- the culture solution is diluted 10-fold and 100-fold and spread on agar medium plates.
- the spread agar medium plates are cultured in a stationary manner at 37°C for 24 to 48 hours.
- the antibacterial activity is derived by calculating the following mathematical formula 1 based on the CFU number of the diluted sample.
- exhibiting antibacterial properties means an antibacterial power measured by the above method, in other words, a bacteriostatic reduction rate of 99% or more.
- the bacteriostatic reduction rate of the antibacterial resin as measured according to ASTM E2149 may be 99.1% or greater, 99.5% or greater, or 99.9% or greater and 100% or less.
- the antibacterial resin has an antibacterial activity of 99% or more against Gram-positive bacteria as measured by ASTM E2149.
- the compound has an antibacterial activity of 99% or greater against Gram-negative bacteria as measured by ASTM E2149.
- the compound has an antibacterial activity of 99% or greater against fungi as measured by ASTM E2149.
- CFU Coldy Forming Unit
- CFU/mL means the number of CFU per 1 mL.
- the antibacterial resin has a primary thermal decomposition temperature of 200°C or higher.
- the antibacterial resin exhibits heat resistance.
- exhibiting heat resistance means that the primary thermal decomposition temperature is 200°C or higher.
- the thermal decomposition temperature can be measured using a TGA (Thermogravimetric Analyzer).
- Step 1) Increase temperature from 30°C to 110°C at a rate of 10°C/min.
- Step 2) Maintain at 110°C for 10 minutes
- Step 3 Cooling from 110°C to 50°C at a rate of 10°C/min.
- Step 4) Increase temperature from 50°C to 600°C at a rate of 10°C/min.
- the first temperature reduction section of the four-stage mass reduction curve was determined as the first thermal decomposition temperature.
- the thermal decomposition temperature was defined as the extrapolated intersection point between the starting mass baseline and the tangent line of the maximum slope point in the first mass reduction section of the mass reduction curve measured by TGA.
- the upper limit of the first thermal decomposition temperature is not particularly limited, and may be, for example, 500°C or less, 480°C or less, or 450°C or less.
- the glass transition temperature (Tg) of the antibacterial resin is 80°C or higher.
- the glass transition temperature can be measured using DSC (Differential Scanning Calorimetry).
- the glass transition temperature can be determined by measuring DSC with the following section-wise temperature conditions set.
- Step 1) Increase temperature from 30°C to 200°C at a rate of 10°C/min.
- Step 2) Maintain at 200°C for 5 minutes
- Step 3 Cooling from 200°C to -50°C at a rate of -10°C/min.
- Step 4) Keep at -50°C for 5 minutes
- Step 5 Temperature increase from -50°C to 200°C at a rate of 10°C/min.
- the upper limit of the glass transition temperature is not limited and may be, for example, 150°C or less, 140°C or less, or 130°C or less.
- the above antibacterial resin has the thermal decomposition temperature and glass transition temperature described above, thereby exhibiting the effect of improving processability in processes such as extrusion and injection molding.
- the antibacterial resin can be produced by copolymerizing a monomer represented by the chemical formula 1 (hereinafter, the first monomer); and an alkyl acrylate or alkyl methacrylate (hereinafter, the second monomer).
- the antibacterial resin can be polymerized in the presence of a polymerization initiator.
- This polymerization initiator can be appropriately selected depending on the polymerization method, and when a thermal polymerization method is used, a thermal polymerization initiator is used, when a photopolymerization method is used, a photopolymerization initiator is used, and when a hybrid polymerization method (a method using both heat and light) is used, both a thermal polymerization initiator and a photopolymerization initiator can be used.
- a certain amount of heat is generated by light irradiation such as ultraviolet irradiation, and a certain amount of heat is generated as the polymerization reaction, which is an exothermic reaction, progresses, so a thermal polymerization initiator can be additionally used.
- the photopolymerization initiator may be used without limitation in its composition as long as it is a compound capable of forming a radical by light such as ultraviolet rays.
- the photopolymerization initiator may use at least one selected from the group consisting of benzoin ether, dialkyl acetophenone, hydroxyl alkylketone, phenyl glyoxylate, benzyl dimethyl ketal, acyl phosphine, and ⁇ -aminoketone.
- acylphosphine examples include diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide, phenylbis (2,4,6-trimethylbenzoyl) phosphine oxide, ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate, and the like.
- a more detailed description of the various photoinitiators, including but not limited to the examples described above, can be found in Reinhold Schwalm's book “UV Coatings: Basics, Recent Developments and New Applications (Elsevier 2007)" p115.
- the photopolymerization initiator may be included in an amount of 0.001 to 1 part by weight based on 100 parts by weight of the total of the first monomer and the second monomer. If the content of the photopolymerization initiator is less than 0.001 part by weight, the polymerization speed may be slowed, and if the content of the photopolymerization initiator exceeds 1 part by weight, the molecular weight of the polymer may be small and the physical properties may become uneven.
- the photopolymerization initiator may be included in an amount of 0.005 part by weight or more, or 0.01 part by weight or more, or 0.1 part by weight or more, and 0.5 part by weight or less, or 0.3 part by weight or less based on 100 parts by weight of the total of the monomers.
- the thermal polymerization initiator may be at least one selected from the group of initiators consisting of a persulfate-based initiator, an azo-based initiator, hydrogen peroxide, and ascorbic acid.
- persulfate initiators include sodium persulfate (Na 2 S 2 O 8 ), potassium persulfate (K 2 S 2 O 8 ), and ammonium persulfate ((NH 4 ) 2 S 2 O 8 )
- examples of azo initiators include azobisisobutyronitrile, 2-azobis-(2-amidinopropane) dihydrochloride, 2,2-azobis-(N,N-dimethylene)isobutyramidine dihydrochloride, Examples thereof include 2-(carbamoylazo)isobutylonitril, 2,2-azobis[2-(2-imidazolin-2-yl)propane] dihydrochloride, and 4,4-azobis-(4-cyanovaleric acid
- the thermal polymerization initiator may be included in an amount of 0.001 to 3 parts by weight based on 100 parts by weight of the first monomer and the second monomer. If the content of the thermal polymerization initiator is less than 0.001 parts by weight, additional thermal polymerization hardly occurs, so that the effect of adding the thermal polymerization initiator may be minimal, and if the content of the thermal polymerization initiator exceeds 3 parts by weight, the molecular weight of the polymer may become small and the physical properties may become uneven.
- the thermal polymerization initiator may be included in an amount of 0.005 parts by weight or more, or 0.01 parts by weight or more, or 0.1 parts by weight or more, and 3 parts by weight or less, 2.5 parts by weight or less, or 2.3 parts by weight or less, based on 100 parts by weight of the monomers.
- the terminal group of the copolymer may have a structure derived from the first unit, the second unit, and the initiator used in the production of the copolymer.
- the first unit and the second unit may have one bonding position, or a structure corresponding to half of the initiator used.
- the terminal group of the copolymer has one of the following structures.
- L1, R1 to R6, R11, R12 and X - are identical to those defined in Chemical Formulas 1 and 2, and * is a moiety attached to the copolymer.
- the above first monomer, second monomer and polymerization initiator can be prepared in the form of a solution dissolved in a solvent.
- the solvent can be used without limitation in its composition as long as it can dissolve the above-described components, and for example, at least one selected from water, ethanol, ethylene glycol, diethylene glycol, triethylene glycol, 1,4-butanediol, propylene glycol, ethylene glycol monobutyl ether, propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, methyl ethyl ketone, acetone, methyl amyl ketone, cyclohexanone, cyclopentanone, diethylene glycol monomethyl ether, diethylene glycol ethyl ether, toluene, xylene, butyrolactone, carbitol, methyl cellosolve acetate, and N, N-dimethylacetamide can be used in combination.
- the copolymerization of the first monomer and the second monomer can be performed without any special limitation of the composition as long as it is a commonly known method.
- the copolymerization can be performed at a temperature of 60° C. to 100° C., or 60° C. to 90° C. for 1 hour to 24 hours, and when the reaction is completed, the produced polymer can be extracted and dried to finally obtain the desired copolymer.
- One embodiment of the present disclosure provides a molded article comprising the above-described antibacterial resin or manufactured therefrom.
- a molded body means a material including the antibacterial resin, a material manufactured from the antibacterial resin, or a product including the antibacterial resin.
- the molded body is at least one selected from among materials for maintaining leading edge, fabric products, agricultural films, automobile parts, various office supplies, various packaging materials, and medical supplies.
- the molded body may be packaging materials such as food packaging materials, vegetable packaging materials, grain packaging materials, fruit packaging materials, meat packaging materials, aquatic product packaging materials, processed food packaging materials, and freshness-maintaining materials such as containers for vegetables, grains, fruits, meat, aquatic products, and processed foods; fabric products such as food tray mats, table mats, tablecloths, carpets, and seat covers; agricultural films; automotive parts such as interior and exterior materials for automobiles; office supplies such as tapes, adhesive tapes, masking tapes, and masking films; various packaging materials such as flower packaging materials, plastic bags, easy-open packaging bags, shopping bags, standing bags, transparent packaging boxes, automatic packaging films, electronic component packaging materials, and machine component packaging materials; and medical supplies such as medical films, medical tapes, and cell culture packs.
- packaging materials such as food packaging materials, vegetable packaging materials, grain packaging materials, fruit packaging materials, meat packaging materials, aquatic product packaging materials, processed food packaging materials, and freshness-maintaining materials such as containers for vegetables, grains, fruits, meat, aquatic products, and processed foods
- the molded body may be a blow molded body, an inflation molded body, a cast molded body, an extrusion laminate molded body, an extrusion molded body, a foam molded body, an injection molded body, a sheet, a film, a fiber, a monofilament, or a nonwoven fabric, but is not limited to the above examples.
- Figure 1 is a diagram showing the NMR measurement results of monomer 1-1'.
- Antibacterial resin 2 was manufactured using the same method as Manufacturing Example 1, except that sodium trifluoromethanesulfonate aqueous solution was used instead of sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- Antibacterial resin 3 was manufactured using the same method as Manufacturing Example 1, except that sodium methanesulfonate aqueous solution was used instead of sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- Antibacterial resin 5 was manufactured using the same method as Manufacturing Example 1, except that sodium malate aqueous solution was used instead of sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- Antibacterial resin 6 was manufactured using the same method as in Manufacturing Example 1, except that sodium tartrate aqueous solution was used instead of sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- Antibacterial resin 7 was manufactured using the same method as Manufacturing Example 1, except that sodium vanillate aqueous solution was used instead of sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- Antibacterial resin 9 was manufactured using the same method as Manufacturing Example 1, except that sodium hexafluorophosphate aqueous solution was used instead of sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- Antibacterial resin 10 was manufactured using the same method as Manufacturing Example 1, except that sodium thiocyanate aqueous solution was used instead of sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- Antibacterial resin 11 was manufactured using the same method as Manufacturing Example 1, except that sodium trifluoroacetate aqueous solution was used instead of sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- Antibacterial resin A was manufactured using the same method as in Manufacturing Example 1, except that water was used instead of the sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- a 500 mL round-bottomed flask was charged with 188 mL of ethanol, 50 g of methyl methacrylate (0.5 M), and 2 mol% of azobisisobutyronitrile.
- the polymerization reaction was carried out by stirring for 16 hours using a stirring bar at 65°C.
- the solution which had completed the reaction at room temperature, was diluted by mixing 50 mL of acetonitrile, and precipitated in 2 L of water. Thereafter, the solid polymer was filtered out using a vacuum filter, and the remaining solvent was completely removed through vacuum drying to produce a single polymer, PMMA.
- Antibacterial resin B was manufactured using the same method as in Manufacturing Example 1, except that sodium toluenesulfonate aqueous solution was used instead of sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- Antibacterial resin C was manufactured using the same method as in Manufacturing Example 1, except that sodium phosphate aqueous solution was used instead of sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- Antibacterial resin D was manufactured using the same method as in Manufacturing Example 1, except that sodium acetate aqueous solution was used instead of sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- Antibacterial resin E was manufactured using the same method as in Manufacturing Example 1, except that sodium phenyl acetate aqueous solution was used instead of sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- Antibacterial resin F was manufactured using the same method as in Manufacturing Example 1, except that sodium salicylate aqueous solution was used instead of sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- Antibacterial resin G was manufactured using the same method as in Manufacturing Example 1, except that sodium benzoate aqueous solution was used instead of sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- Antibacterial resin H was manufactured using the same method as in Manufacturing Example 1, except that sodium benzyl phosphate aqueous solution was used instead of sodium tetrafluoroborate aqueous solution during precipitation in (2) of Manufacturing Example 1.
- the antibacterial activity of each of the antibacterial resins 1 to 11, antibacterial resins A to H, and PMMA manufactured in Manufacturing Examples 1 to 11 and Comparative Manufacturing Examples 1 to 9 was measured according to ASTM E 2179.
- the specific measurement method is as follows.
- the measured antibacterial activity is shown in Table 1 below.
- the thermal decomposition temperatures of each of the antibacterial resins 1, 2, 3, and 9, antibacterial resins A to H, and PMMA manufactured in Manufacturing Examples 1, 2, 3, and 9 and Comparative Manufacturing Examples 1 to 9 were measured using TGA (Thermogravimetric Analyzer, TA Instrument, DISCOVERY TGA 550 W/MFC & AUTO).
- Step 1) Increase temperature from 30°C to 110°C at a rate of 10°C/min.
- Step 2) Maintain at 110°C for 10 minutes
- Step 3 Cooling from 110°C to 50°C at a rate of 10°C/min.
- Step 4) Increase temperature from 50°C to 600°C at a rate of 10°C/min.
- the first temperature reduction section of the four-stage mass reduction curve was determined as the first thermal decomposition temperature.
- the thermal decomposition temperature was defined as the extrapolated intersection point between the starting mass baseline and the tangent line of the maximum slope point in the first mass reduction section of the mass reduction curve measured by TGA.
- Figure 2 shows the TGA measurement results of antibacterial resins 1, 2, and A.
- the glass transition temperatures of each of antibacterial resins 1, 2, 3, and 9, antibacterial resins A to H, and PMMA manufactured in Manufacturing Examples 1, 2, 3, and 9 and Comparative Manufacturing Examples 1 to 9 were measured using DSC (Differential Scanning Calorimetry, TA Instrument, DISCOVER TGA 550W/MFC&AUTO).
- Step 1) Increase temperature from 30°C to 200°C at a rate of 10°C/min.
- Step 2) Maintain at 200°C for 5 minutes
- Step 3 Cooling from 200°C to -50°C at a rate of -10°C/min.
- Step 4) Keep at -50°C for 5 minutes
- Step 5 Temperature increase from -50°C to 200°C at a rate of 10°C/min.
- the measured glass transition temperatures are listed in Table 2 below.
- the antibacterial power is less than 99%, or the first thermal decomposition temperature is low as less than 200°C and the glass transition temperature is also less than 80°C.
- the antibacterial power is less than 99% (Comparative Examples 1-3, 1-4, 1-9), and when the anion is acetate, benzyl acetate, salicylate, or benzoate, the first thermal decomposition temperature is low as less than 200°C and the glass transition temperature is also less than 80°C (Comparative Examples 2-5 to 2-8). Through this, it can be confirmed that the type of anion affects the antibacterial power and heat resistance.
- the antibacterial resin of the present invention has an antibacterial power exceeding 99.9%, a first thermal decomposition temperature of 200°C or higher, and a glass transition temperature of 80°C or higher. From this, it can be predicted that the antibacterial resin of the present invention has excellent antibacterial power, excellent processability, and improved heat resistance.
- Antibacterial resin 1 and antibacterial resin A manufactured in the above manufacturing example were heat-treated at 180°C and 220°C, respectively, and changes were confirmed visually.
- antibacterial resin A containing Br - as an anion it can be confirmed that the color changes after heat treatment at 220°C.
- antibacterial resin 1 containing BF 4 - as an anion it can be confirmed that there is no change even after heat treatment at 220°C. Through this, it can be confirmed that the antibacterial resin according to one embodiment of the present invention is more thermally stable.
- the antibacterial resin according to the present specification exhibits excellent antibacterial activity while also exhibiting heat resistance and excellent processability.
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Abstract
Description
| 사용된 물질 | 음이온 종류 | 항균력 (%) |
|
| 실험예 1-1 | 항균 수지 1 | 테트라플루오로보레이트 (BF4 -) | 99.9 초과 |
| 실험예 1-2 | 항균 수지 2 | 트리플루오로메탄술포네이트 (CF3SO3 -) |
99.9 초과 |
| 실험예 1-3 | 항균 수지 3 | 메탄술포네이트 (CH3SO3 -) |
99.9 초과 |
| 실험예 1-4 | 항균 수지 4 | 메틸설페이트 (CH3OSO3 -) |
99.9 초과 |
| 실험예 1-5 | 항균 수지 5 | 말레이트 () |
99.9 초과 |
| 실험예 1-6 | 항균 수지 6 | 타르트레이트 () |
99.9 초과 |
| 실험예 1-7 | 항균 수지 7 | 바닐레이트 () |
99.9 초과 |
| 실험예 1-8 | 항균 수지 8 | 시링게이트 () |
99.9 초과 |
| 실험예 1-9 | 항균 수지 9 | 헥사플루오로포스페이트 (PF6 -) | 99.9 초과 |
| 실험예 1-10 | 항균 수지 10 | 티오시아네이트 (SCN-) |
99.9 초과 |
| 실험예 1-11 | 항균 수지 11 | 트리플루오로아세테이트 (CF3COO-) | 99.9 초과 |
| 비교예 1-1 | 항균 수지 A | Br- | 99.9 초과 |
| 비교예 1-2 | PMMA | - | 0 |
| 비교예 1-3 | 항균 수지 B | 톨루엔술포네이트 () |
98.8 |
| 비교예 1-4 | 항균 수지 C | 포스페이트 (Na2PO4 -) |
98.5 |
| 비교예 1-5 | 항균 수지 D | 아세테이트 (CH3COO-) |
99.9 초과 |
| 비교예 1-6 | 항균 수지 E | 페닐아세테이트 () |
99.9 초과 |
| 비교예 1-7 | 항균 수지 F | 살리실레이트 () |
99.9 초과 |
| 비교예 1-8 | 항균 수지 G | 벤조에이트 () |
99.9 초과 |
| 비교예 1-9 | 항균 수지 H | 벤질포스페이트 () |
87.3 |
| 사용된 물질 | 음이온 종류 | 1차 열분해 온도 (℃) | 유리전이 온도 (℃) | |
| 실험예 2-1 | 항균 수지 1 | 테트라플루오로보레이트 (BF4 -) | 300 | 98.7 |
| 실험예 2-2 | 항균 수지 2 | 트리플루오로메탄술포네이트 (CF3SO3 -) |
350 | 81.7 |
| 실험예 2-3 | 항균 수지 3 | 메탄술포네이트 (CH3SO3 -) |
350 | 80.5 |
| 실험예 2-4 | 항균 수지 9 | 헥사플루오로포스페이트 (PF6 -) | 420 | 103 |
| 비교예 2-1 | 항균 수지 A | Br- | 186 | 63.2 |
| 비교예 2-2 | PMMA | - | 248 | 105 |
| 비교예 2-3 | 항균 수지 B | 톨루엔술포네이트 () |
350 | 85.6 |
| 비교예 2-4 | 항균 수지 C | 포스페이트 (Na2PO4 -) |
370 | 88.2 |
| 비교예 2-5 | 항균 수지 D | 아세테이트 (CH3COO-) |
190 | 47.2 |
| 비교예 2-6 | 항균 수지 E | 페닐아세테이트 () |
196 | 56.3 |
| 비교예 2-7 | 항균 수지 F | 살리실레이트 () |
195 | 45.8 |
| 비교예 2-8 | 항균 수지 G | 벤조에이트 () |
190 | 53.2 |
| 비교예 2-9 | 항균 수지 H | 벤질포스페이트 () |
380 | 101.8 |
Claims (12)
- 하기 화학식 1로 표시되는 단량체로부터 유래되는 제1 단위; 및알킬아크릴레이트 또는 알킬메타크릴레이트로부터 유래되는 제2 단위;를 포함하는 공중합체를 포함하는 항균 수지:[화학식 1]상기 화학식 1에 있어서,L1은 치환 또는 비치환된 탄소수 1 내지 10의 알킬렌기이고,R1 내지 R3 중 2개는 서로 동일하거나 상이하고, 각각 독립적으로 치환 또는 비치환된 탄소수 1 내지 4의 알킬기이고, 나머지 하나는 치환 또는 비치환된 탄소수 5 내지 20의 알킬기이고,R4 내지 R6는 서로 동일하거나 상이하고, 각각 독립적으로 수소 또는 메틸기이고,X-는 트리플루오로메탄술포네이트, 메탄술포네이트, 테트라플루오로보레이트, 메틸설페이트, 말레이트, 타르트레이트, 바닐레이트, 시링게이트, 헥사플루오로포스페이트, 티오시아네이트, 또는 트리플루오로아세테이트이다.
- 청구항 1에 있어서,상기 R1 내지 R3 중 2개는 서로 동일하거나 상이하고, 각각 독립적으로 메틸기 또는 에틸기이고, 나머지 하나는 탄소수 5 내지 20의 알킬기인 것인 항균 수지.
- 청구항 1에 있어서,상기 L1은 메틸렌기; 에틸렌기; 또는 프로필렌기인 것인 항균 수지.
- 청구항 1에 있어서,상기 제1 단위는 하기 화학식 1-A로 표시되는 것인 항균 수지.[화학식 1-A]상기 화학식 1-A에 있어서,L1은 치환 또는 비치환된 탄소수 1 내지 10의 알킬렌기이고,R1 내지 R3 중 2개는 서로 동일하거나 상이하고, 각각 독립적으로 치환 또는 비치환된 탄소수 1 내지 4의 알킬기이고, 나머지 하나는 치환 또는 비치환된 탄소수 5 내지 20의 알킬기이고,R4 내지 R6는 서로 동일하거나 상이하고, 각각 독립적으로 수소 또는 메틸기이고,X-는 트리플루오로메탄술포네이트, 메탄술포네이트, 테트라플루오로보레이트, 메틸설페이트, 말레이트, 테트레이트, 바닐레이트, 시링게이트, 헥사플루오로포스페이트, 티오시아네이트, 또는 트리플루오로아세테이트이고,n1은 1 내지 10,000의 정수이고,*은 공중합체 내의 부착지점이다.
- 청구항 1에 있어서,상기 공중합체는 하기 화학식 3으로 표시되는 제3 단위를 포함하는 것인 항균 수지.[화학식 3]상기 화학식 3에 있어서,L1은 치환 또는 비치환된 탄소수 1 내지 10의 알킬렌기이고,R1 내지 R3 중 2개는 서로 동일하거나 상이하고, 각각 독립적으로 치환 또는 비치환된 탄소수 1 내지 4의 알킬기이고, 나머지 하나는 치환 또는 비치환된 탄소수 5 내지 20의 알킬기이고,R11은 알킬기이고,R4 및 R12는 서로 동일하거나 상이하고, 각각 독립적으로 수소 또는 메틸기이며,X-는 트리플루오로메탄술포네이트, 메탄술포네이트, 테트라플루오로보레이트, 메틸설페이트, 말레이트, 테트레이트, 바닐레이트, 시링게이트, 헥사플루오로포스페이트, 티오시아네이트, 또는 트리플루오로아세테이트이고,n1 및 n2는 각각 1 내지 10,000의 정수이고,*은 공중합체 내의 부착지점이다.
- 청구항 1에 있어서,상기 공중합체 내 제1 단위와 제2 단위의 몰비는 10:90 내지 80:20인 것인 항균 수지.
- 청구항 1에 있어서,상기 항균 수지는 1차 열분해 온도가 200℃ 이상인 것인 항균 수지.
- 청구항 1에 있어서,상기 항균 수지는 그람양성균, 그람음성균 및 곰팡이균 중 적어도 하나에 대해 항균성을 나타내는 것인 항균 수지.
- 청구항 1 내지 11 중 어느 한 항에 따른 항균 수지를 포함하거나, 이로부터 제조된 성형체.
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|---|---|---|---|
| PCT/KR2024/007611 Ceased WO2025005516A1 (ko) | 2023-06-26 | 2024-06-04 | 항균 수지 및 이를 포함하는 성형체 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4628514A1 (ko) |
| JP (1) | JP2025540232A (ko) |
| CN (1) | CN120344572A (ko) |
| WO (1) | WO2025005516A1 (ko) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009035836A (ja) * | 2007-08-02 | 2009-02-19 | Mitsui Chemicals Inc | 抗菌性不織布 |
| JP2011132149A (ja) * | 2009-12-22 | 2011-07-07 | Niigata Univ | 抗菌防カビ剤およびその製造方法 |
| KR20150028820A (ko) * | 2012-06-29 | 2015-03-16 | 네오스 컴파니 리미티드 | (메트)아크릴레이트계 공중합체, 항균제, 항균성 부여 수지 조성물 및 대전 방지성 부여 수지 조성물 |
| CN105199577A (zh) * | 2015-09-30 | 2015-12-30 | 浙江大学 | 一种抗菌型低表面能海洋防污涂料组合物 |
| KR20230012889A (ko) * | 2021-07-16 | 2023-01-26 | 주식회사 엘지화학 | 항균성 공중합체 |
| KR20230082165A (ko) | 2021-12-01 | 2023-06-08 | 임정훈 | 살균기능을 갖는 가구 손잡이 |
| KR20240072520A (ko) | 2022-11-17 | 2024-05-24 | 주식회사 다리소프트 | 소실점을 기반으로 한 도로 상의 위험물 크기 추정 장치 |
-
2024
- 2024-06-04 EP EP24832297.6A patent/EP4628514A1/en active Pending
- 2024-06-04 WO PCT/KR2024/007611 patent/WO2025005516A1/ko not_active Ceased
- 2024-06-04 JP JP2025532975A patent/JP2025540232A/ja active Pending
- 2024-06-04 CN CN202480005352.8A patent/CN120344572A/zh active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009035836A (ja) * | 2007-08-02 | 2009-02-19 | Mitsui Chemicals Inc | 抗菌性不織布 |
| JP2011132149A (ja) * | 2009-12-22 | 2011-07-07 | Niigata Univ | 抗菌防カビ剤およびその製造方法 |
| KR20150028820A (ko) * | 2012-06-29 | 2015-03-16 | 네오스 컴파니 리미티드 | (메트)아크릴레이트계 공중합체, 항균제, 항균성 부여 수지 조성물 및 대전 방지성 부여 수지 조성물 |
| CN105199577A (zh) * | 2015-09-30 | 2015-12-30 | 浙江大学 | 一种抗菌型低表面能海洋防污涂料组合物 |
| KR20230012889A (ko) * | 2021-07-16 | 2023-01-26 | 주식회사 엘지화학 | 항균성 공중합체 |
| KR20230082165A (ko) | 2021-12-01 | 2023-06-08 | 임정훈 | 살균기능을 갖는 가구 손잡이 |
| KR20240072520A (ko) | 2022-11-17 | 2024-05-24 | 주식회사 다리소프트 | 소실점을 기반으로 한 도로 상의 위험물 크기 추정 장치 |
Non-Patent Citations (3)
| Title |
|---|
| "UV Coatings: Basics, Recent Developments and New Application", 2007, ELSEVIER |
| ODIAN: "Principle of Polymerization", 1981, WILEY |
| See also references of EP4628514A1 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2025540232A (ja) | 2025-12-11 |
| EP4628514A1 (en) | 2025-10-08 |
| CN120344572A (zh) | 2025-07-18 |
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