KR20200035832A - Antibacterial polymer composition - Google Patents
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- KR20200035832A KR20200035832A KR1020190060052A KR20190060052A KR20200035832A KR 20200035832 A KR20200035832 A KR 20200035832A KR 1020190060052 A KR1020190060052 A KR 1020190060052A KR 20190060052 A KR20190060052 A KR 20190060052A KR 20200035832 A KR20200035832 A KR 20200035832A
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- 239000000203 mixture Substances 0.000 title claims abstract description 19
- 229920000642 polymer Polymers 0.000 title claims abstract description 19
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 18
- 150000001875 compounds Chemical class 0.000 claims abstract description 32
- 239000002952 polymeric resin Substances 0.000 claims abstract description 13
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 10
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 7
- 125000000217 alkyl group Chemical group 0.000 claims description 5
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- 229920000178 Acrylic resin Polymers 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
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- 238000006243 chemical reaction Methods 0.000 description 4
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- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 description 1
- KBLWLMPSVYBVDK-UHFFFAOYSA-N cyclohexyl prop-2-enoate Chemical compound C=CC(=O)OC1CCCCC1 KBLWLMPSVYBVDK-UHFFFAOYSA-N 0.000 description 1
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- WRAQQYDMVSCOTE-UHFFFAOYSA-N phenyl prop-2-enoate Chemical compound C=CC(=O)OC1=CC=CC=C1 WRAQQYDMVSCOTE-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains three hetero rings
- C07D487/14—Ortho-condensed systems
-
- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
Abstract
Description
본 발명은 항균성 고분자 조성물에 관한 것이다. The present invention relates to an antimicrobial polymer composition.
광감응제(photosensitizer)는 빛을 흡수하여 활성산소종(ROS)을 생성시키는 물질로서, 외부에서 특정 파장의 빛을 조사하여 광감응제로부터 활성 산소종 또는 자유 라디칼을 발생시켜 각종 병변 부위나 암세포의 세포 사멸을 유도하여 파괴하는 광역동 치료(photodynamic therapy, PDT) 등이 널리 사용되고 있다. A photosensitizer is a substance that absorbs light to generate free radicals (ROS). It irradiates light of a specific wavelength from outside to generate free radicals or free radicals from photosensitizers to cause various lesion sites or cancer cells. Photodynamic therapy (PDT), which induces and destroys apoptosis of cells, is widely used.
이러한 광감응제로서 포피린(porphyrin)계 화합물이 알려져 있으며, 산소와의 반응하여 ROS 및 singlet oxygen을 생성한다고 알려져 있다. 이의 대표적인 예로 TCPP(4,4',4'',4'''-(porphrin-5,10,15,20-tetrayl)tetrakis(benzoic acid))가 알려져 있다. Porphyrin-based compounds are known as such photosensitizers, and are known to generate ROS and singlet oxygen by reacting with oxygen. TCPP (4,4 ', 4' ', 4' ''-(porphrin-5,10,15,20-tetrayl) tetrakis (benzoic acid)) is known as a typical example.
이러한 광동역학 반응(photodynamic reaction)을 이용하여 항균성을 갖는 고분자 재료를 개발하려는 다양한 시도가 있으며, 예를 들어 고분자 수지 등을 용융시킨 후 용융된 수지와 광감응제를 혼합하는 방법이나 고분자 수지 및 광감응제를 용매에 녹여서 형성된 코팅액을 이용하는 방법이 알려져 있다.Various attempts have been made to develop a polymer material having antimicrobial properties by using such a photodynamic reaction. For example, a method of mixing a melted resin and a photosensitizer after melting a polymer resin, etc. It is known to use a coating solution formed by dissolving a sensitizer in a solvent.
그런데, TCPP와 같은 광감응제는 물에 친화력이 좋은 카르복시기를 치환기로 가지고 있어, 고분자 수지와의 상용성이 좋지 않고, 또한 코팅액 제조를 위한 유기 용매의 용해도 또한 좋지 않다는 문제점이 있다. 이에 따라 광감응제의 분산성이 떨어져 항균 효과 또한 떨어지는 문제가 있다.However, a photosensitive agent such as TCPP has a carboxyl group having good affinity for water as a substituent, and thus has poor compatibility with a polymer resin, and also poor solubility of an organic solvent for preparing a coating solution. Accordingly, there is a problem in that the dispersibility of the photosensitizer is poor and the antibacterial effect is also lowered.
본 발명은 고분자에 대한 상용성이 우수하고 유기 용매에 대한 용해도가 우수한 신규한 화합물을 항균제로서 포함하는 항균성 고분자 조성물을 제공하기 위한 것이다. The present invention is to provide an antimicrobial polymer composition comprising a novel compound having excellent compatibility with a polymer and excellent solubility in an organic solvent as an antibacterial agent.
상기 과제를 해결하기 위하여, 본 발명은 항균제로서 하기 화학식 1로 표시되는 화합물과 고분자 수지를 포함하는 항균성 고분자 조성물을 제공한다:In order to solve the above problems, the present invention provides an antimicrobial polymer composition comprising a compound represented by Formula 1 and a polymer resin as an antibacterial agent:
[화학식 1] [Formula 1]
상기 화학식 1에서, In Chemical Formula 1,
R은 각각 독립적으로 -R', -O-R', -CO-R', 또는 -CO-O-R'이고,R are each independently -R ', -O-R', -CO-R ', or -CO-O-R',
R'는 C1-60 알킬, 또는 C6-60 아릴이고, R 'is C 1-60 alkyl, or C 6-60 aryl,
단, R 중 적어도 2개가 -CO-R' 또는 -CO-O-R'이다. However, at least two of R are -CO-R 'or -CO-O-R'.
상기 화학식 1로 표시되는 화합물은 종래에 사용되던 TCPP의 화합물에서 말단의 카르복시기 대신 에스터기, 또는 케톤기를 포함하는 것을 특징으로 한다.The compound represented by Chemical Formula 1 is characterized in that it contains an ester group or a ketone group instead of the terminal carboxyl group in the conventionally used TCPP compound.
카르복시기는 물에 대한 친화력이 좋기 때문에, TCPP를 포함하는 조성물이 물과 접촉하면 TCPP가 물에 용출되는 문제점이 있다. 또한, 카르복시기로 인하여 유기 용매에 대한 용해도가 낮아 TCPP를 코팅할 때 사용할 수 있는 용매의 제한이 있다. 그러나, 본 발명에서는 상기 카르복시기를 에스터기, 또는 케톤기로 치환함으로써, 상기의 문제를 해결할 수 있을 뿐만 아니라, 향균제로서의 효과도 향상된다. Since the carboxyl group has good affinity for water, when the composition containing TCPP comes into contact with water, there is a problem that TCPP is eluted in water. In addition, due to the carboxyl group, solubility in an organic solvent is low, and there is a limitation of a solvent that can be used when coating TCPP. However, in the present invention, by replacing the carboxyl group with an ester group or a ketone group, not only the above problem can be solved, but also the effect as an antibacterial agent is improved.
상기 화학식 1에서, R은 총 4개가 존재하며 서로 동일하거나 상이할 수 있다. 바람직하게는, R'는 C1-10 알킬이다. 보다 바람직하게는, R'는 옥틸이다. In the above Chemical Formula 1, a total of four R are present and may be the same or different from each other. Preferably, R 'is C 1-10 alkyl. More preferably, R 'is octyl.
바람직하게는, R은 모두 -CO-O-R'이다. Preferably, all R are -CO-O-R '.
상기 화학식 1로 표시되는 화합물의 대표적인 예는 하기와 같다:Representative examples of the compound represented by Formula 1 are as follows:
상기 화학식 1로 표시되는 화합물 중 R이 -CO-O-R'인 경우 하기 반응식 1과 같은 방법으로 제조할 수 있으며, 나머지에 대해서도 유사하게 적용할 수 있다. When R is -CO-O-R 'among the compounds represented by Chemical Formula 1, it can be prepared in the same manner as in Scheme 1 below, and similarly, the rest can be applied.
[반응식 1][Scheme 1]
상기 반응식 1은, 카르복시기를 에스터 또는 케톤으로 치환시키는 반응으로서, 당업계에서 알려진 방법을 제한 없이 사용할 수 있다. 상기 제조 방법은 후술할 실시예에서 보다 구체화될 수 있다.Reaction Scheme 1 is a reaction in which a carboxyl group is substituted with an ester or a ketone, and methods known in the art can be used without limitation. The manufacturing method may be more specific in the examples to be described later.
후술할 실험예와 같이 상기 화합물은 박테리아와 같은 미생물의 생장이나 생존을 억제할 수 있는바, 항균제로서 사용할 수 있다. As in the experimental example to be described later, the compound can inhibit the growth or survival of microorganisms such as bacteria, and thus can be used as an antibacterial agent.
또한, 본 발명에서 사용되는 고분자 수지는 특별히 제한되지 않으며, 고분자의 용도에 따라 항균성이 필요한 고분자에 제한 없이 적용할 수 있다.In addition, the polymer resin used in the present invention is not particularly limited, and can be applied without limitation to polymers requiring antibacterial properties according to the use of the polymer.
상술한 바와 같이, 상기 화학식 1로 표시되는 화합물은 고분자에 대한 상용성이 우수하므로, 고분자와 함께 상기 화학식 1로 표시되는 화합물을 포함하는 고분자 조성물로 항균성이 필요한 물품에 적용할 수 있다. 또한, 본 발명에 따른 항균성 고분자 조성물은 코팅 용액으로도 적용이 가능하며, 항균성이 필요한 물품의 표면을 코팅하는 방식으로도 적용할 수 있다. As described above, the compound represented by Chemical Formula 1 is excellent in compatibility with the polymer, and thus can be applied to articles requiring antimicrobial properties as a polymer composition comprising the compound represented by Chemical Formula 1 together with the polymer. In addition, the antimicrobial polymer composition according to the present invention can also be applied as a coating solution, and can also be applied by coating a surface of an article requiring antimicrobial properties.
이러한 항균성이 필요한 물품의 예로는 가습기, 수조, 냉장고, 에어워셔, 수족관, 공기청정기 등, 유해한 박테리아가 쉽게 성장하는 물품에 적용 가능하다.Examples of such an article requiring antibacterial properties are applicable to articles in which harmful bacteria are easily grown, such as a humidifier, water tank, refrigerator, air washer, aquarium, and air purifier.
상기 항균성 고분자 조성물은, 고분자 수지를 용융시킨 후 용융된 수지와 본 발명에 따른 화합물을 혼합하는 방법이나, 또는 고분자 수지 및 상기 화학식 1로 표시되는 화합물을 용매에 함께 용해시키는 방법으로 제조할 수 있다. 또는, 후술할 고분자 수지의 단량체와 상기 화학식 1로 표시되는 화합물을 용매에 함께 용해시킨 후 상기 단량체를 중합하는 방법으로도 제조할 수 있다.The antimicrobial polymer composition may be prepared by melting a polymer resin and then mixing the melted resin with the compound according to the present invention, or by dissolving the polymer resin and the compound represented by Formula 1 in a solvent together. . Alternatively, a method of polymerizing the monomer after dissolving the monomer of the polymer resin to be described later and the compound represented by Chemical Formula 1 together in a solvent may also be performed.
또한, 상기 항균성 고분자 조성물을 이용하여 필름을 제조하고, 이러한 필름을 상기 항균성이 필요한 물품에 적용하는 방식으로도 적용할 수 있다. In addition, a film may be prepared by using the antimicrobial polymer composition, and the film may also be applied to a product requiring antimicrobial properties.
한편, 상기 항균성 고분자 조성물 내에서, 상기 화학식 1로 표시된느 화합물과 상기 고분자 수지의 중량비는 1:10 내지 1000이고, 보다 바람직하게는 1:10 내지 100이다.On the other hand, in the antibacterial polymer composition, the weight ratio of the compound represented by Formula 1 and the polymer resin is 1:10 to 1000, more preferably 1:10 to 100.
바람직하게는, 상기 고분자 수지는 아크릴 수지이다. 이때, 상기 아크릴 수지는 (메트)아크릴계 단량체를 주성분으로 포함하는 것으로, (메트)아크릴계 단량체로 이루어진 호모폴리머 수지뿐 아니라 (메트)아크릴계 단량체 이외에 다른 단량체가 공중합된 공중합체 수지를 포함하는 개념이다.Preferably, the polymer resin is an acrylic resin. At this time, the acrylic resin includes a (meth) acrylic monomer as a main component, and is a concept including a copolymer resin in which other monomers other than the (meth) acrylic monomer are copolymerized, as well as a homopolymer resin composed of the (meth) acrylic monomer.
이때, 상기 (메트)아크릴계 단량체는 아크릴레이트 및 메타크릴레이트 뿐만 아니라 아크릴레이트 및 메타크릴레이트의 유도체를 포함하는 개념으로, 예컨대 메틸 메타크릴레이트, 에틸 메타크릴레이트, 프로필 메타크릴레이트, n-부틸 메타크릴레이트, t-부틸 메타크릴레이트, 시클로헥실 메타크릴레이트, 페닐 메타크릴레이트, 벤질메타크릴레이트, 메톡시에틸 메타크릴레이트, 에톡시에틸 메타크릴레이트, 부톡시메틸 메타크릴레이트, 메틸 아크릴레이트, 에틸 아크릴레이트, 프로필 아크릴레이트, n-부틸 아크릴레이트, t-부틸 아크릴레이트, 시클로헥실아크릴레이트, 페닐 아크릴레이트, 벤질 아크릴레이트, 메톡시에틸 아크릴레이트, 에톡시에틸 아크릴레이트, 부톡시 메틸 아크릴레이트 또는 이들의 올리고머 등 일 수 있으며, 그 중에서도 메틸 메타크릴레이트, 메틸 아크릴레이트 등의 알킬 (메트)아크릴레이트인 것이 보다 바람직하나, 반드시 이에 한정되는 것은 아니다. 이들은 단독으로 또는 혼합하여 사용될 수 있다.In this case, the (meth) acrylic monomer is a concept including acrylate and methacrylate as well as derivatives of acrylate and methacrylate, such as methyl methacrylate, ethyl methacrylate, propyl methacrylate, n-butyl Methacrylate, t-butyl methacrylate, cyclohexyl methacrylate, phenyl methacrylate, benzyl methacrylate, methoxyethyl methacrylate, ethoxyethyl methacrylate, butoxymethyl methacrylate, methyl acrylic Acrylate, ethyl acrylate, propyl acrylate, n-butyl acrylate, t-butyl acrylate, cyclohexyl acrylate, phenyl acrylate, benzyl acrylate, methoxyethyl acrylate, ethoxyethyl acrylate, butoxy methyl It may be an acrylate or oligomers thereof, and methyl methyl It is more preferable to be an alkyl (meth) acrylate such as acrylate or methyl acrylate, but is not limited thereto. These can be used alone or in combination.
또한, 필요에 따라 상기 아크릴 수지는 필요에 따라 상기 (메트)아크릴계 단량체 이외에 다른 단량체를 추가로 포함할 수 있으며, 상기 상기 (메트)아크릴계 단량체와 공중합 가능한 단량체이면 특별히 제한되지 않으며, 일례로 디펜타에리트리롤 핵사아크릴레이트를 사용할 수 있다. In addition, if necessary, the acrylic resin may further include other monomers in addition to the (meth) acrylic monomers, if necessary, and is not particularly limited as long as it is a monomer copolymerizable with the (meth) acrylic monomers. Erytrirol nuclear acrylate can be used.
또한, 상술한 단량체와 상기 화학식 1로 표시되는 화합물을 용매에 함께 용해시킨 후 상기 단량체를 중합하는 방법으로도 제조할 수 있으며, 상기 중합은 열중합 또는 광중합의 방법으로 수행할 수 있다. 또한, 상기 광중합을 적용하는 경우 자외선 조사 등의 방법으로 수행할 수 있다. In addition, the above-mentioned monomer and the compound represented by Formula 1 may be dissolved together in a solvent, and then the monomer may be polymerized, and the polymerization may be performed by thermal polymerization or photopolymerization. In addition, when the photopolymerization is applied, it may be performed by a method such as ultraviolet irradiation.
상술한 화학식 1로 표시되는 화합물은 광감응제로서 고분자 수지에 대한 상용성이 우수하고 유기 용매에 대한 용해도가 우수하여, 항균성 고분자 조성물로 유용하게 사용할 수 있다. The compound represented by the above formula (1) is a photosensitizer, has excellent compatibility with a polymer resin and has excellent solubility in an organic solvent, and can be usefully used as an antimicrobial polymer composition.
도 1은, 본 발명의 실시예 및 비교예의 화합물에 대한 항균성 평가 결과를 나타낸 것이다.
도 2은, 본 발명의 실시예 및 비교예의 화합물에 대한 용해도 평가 결과를 나타낸 것이다. Figure 1 shows the results of the antimicrobial evaluation of the compounds of Examples and Comparative Examples of the present invention.
2 shows the solubility evaluation results for the compounds of Examples and Comparative Examples of the present invention.
이하, 본 발명의 이해를 돕기 위하여 바람직한 실시예를 제시한다. 그러나 하기의 실시예는 본 발명을 보다 쉽게 이해하기 위하여 제공되는 것일 뿐, 이에 의해 본 발명의 내용이 한정되는 것은 아니다.Hereinafter, preferred embodiments are provided to help understanding of the present invention. However, the following examples are only provided to more easily understand the present invention, and the contents of the present invention are not limited thereby.
실시예Example
1) TOCPP의 제조1) Preparation of TOCPP
Sigma-Aldrich에서 구매한 TCPP(4,4',4'',4'''-(porphrin-5,10,15,20-tetrayl)tetrakis(benzoic acid)); 1 eq)를 DMF에 녹인 후, 0℃에서 syringe를 통해 1-옥타놀(10 eq)을 넣었다. 0℃에서 10분 후 DMAP(4-(dimethylamino)pyridine; 1 eq)를 넣었다. 0℃에서 30분 후 EDC·HCl(N-(3-dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride; 10 eq)를 넣었다. 반응이 완료되면, 용매로 사용한 DMF를 건조시켜 제거하고, 물을 이용하여 추출하였다. 추출물을 황산 마그네슘을 이용하여 수분을 제거한 후 컬럼 크로마토그라피로 정제하여 상기 화합물을 제조하였다. TCPP (4,4 ', 4' ', 4' ''-(porphrin-5,10,15,20-tetrayl) tetrakis (benzoic acid)) purchased from Sigma-Aldrich; 1 eq) was dissolved in DMF, and 1-octanol (10 eq) was added through a syringe at 0 ° C. After 10 minutes at 0 ° C., DMAP (4- (dimethylamino) pyridine; 1 eq) was added. After 30 minutes at 0 ° C, EDC · HCl (N- (3-dimethylaminopropyl) -N'-ethylcarbodiimide hydrochloride; 10 eq) was added. When the reaction was completed, the DMF used as a solvent was removed by drying, and extracted with water. The extract was removed using magnesium sulfate, and then purified by column chromatography to prepare the compound.
1H NMR(500 MHz, CDCl3, ppm): 8.82 (s, 8H), 8.46-8.44 (d, 8H), 8.30-8.29 (d, 8H), 4.52-4.50 (t, 8H), 1.95-1.89 (m, 8H), 1.61-1.57 (m, 8H), 1.48-1.26 (m, 32H), 0.93-0.90 (t, 12H), -2.30 (s, 2H) 1 H NMR (500 MHz, CDCl 3 , ppm): 8.82 (s, 8H), 8.46-8.44 (d, 8H), 8.30-8.29 (d, 8H), 4.52-4.50 (t, 8H), 1.95-1.89 (m, 8H), 1.61-1.57 (m, 8H), 1.48-1.26 (m, 32H), 0.93-0.90 (t, 12H), -2.30 (s, 2H)
ESI-MS: m/z 1239 [M+H]+ ESI-MS: m / z 1239 [M + H] +
2) 시험편의 제조2) Preparation of test piece
메틸메타아크릴레이트(MMA) 36 중량부, 디펜타에리트리롤 핵사아크릴레이트(DPHA) 7 중량부, 앞서 제조한 TOPCC 화합물 1 중량부, 계면활성제(상품명: F477 DIC社) 0.1 중량부, 및 톨루엔 55.6 중량부를 혼합하여 코팅 용액을 제조하였다. 그리고 위의 코팅액을 #20 bar를 이용해 코팅한 후, 0.2 J/cm2의 UV 램프를 이용하여, 2 m/min 속도로 경화를 진행 하였으며, 10 ㎛ 두께로 필름을 제조하였다.36 parts by weight of methyl methacrylate (MMA), 7 parts by weight of dipentaerythrol nuclear acrylate (DPHA), 1 part by weight of the previously prepared TOPCC compound, 0.1 part by weight of surfactant (trade name: F477 DIC), and toluene A coating solution was prepared by mixing 55.6 parts by weight. Then, the coating solution was coated with # 20 bar, and then cured at a rate of 2 m / min using a 0.2 J / cm 2 UV lamp, and a film having a thickness of 10 μm was prepared.
비교예Comparative example
상기 실시예의 제조에 사용된 출발 물질인 TCPP를 비교예로서 사용하여 필름을 제조하였다. 구체적으로, 메틸메타아크릴레이트(MMA) 36 중량부, 디펜타에리트리롤 핵사아크릴레이트(DPHA) 7 중량부, TCPP 화합물 1 중량부, 계면활성제(상품명: F477 DIC社) 0.1 중량부, 및 디메틸포름아미드(DMF) 55.6 중량부를 혼합하여 코팅 용액을 제조하였다. 그리고 위의 코팅액을 #20 bar를 이용해 코팅한 후, 0.2 J/cm2의 UV 램프를 이용하여, 2 m/min 속도로 경화를 진행 하였으며, 10 ㎛ 두께로 필름을 제조하였다.A film was prepared using TCPP, a starting material used in the preparation of the above example, as a comparative example. Specifically, 36 parts by weight of methyl methacrylate (MMA), 7 parts by weight of dipentaerythrol nuclear acrylate (DPHA), 1 part by weight of TCPP compound, 0.1 part by weight of surfactant (trade name: F477 DIC), and dimethyl A coating solution was prepared by mixing 55.6 parts by weight of formamide (DMF). Then, the coating solution was coated with # 20 bar, and then cured at a rate of 2 m / min using a UV lamp of 0.2 J / cm2, and a film having a thickness of 10 μm was prepared.
실험예 1: 항균성 평가Experimental Example 1: Antibacterial evaluation
1) 박테리아 현탁액의 제조1) Preparation of bacterial suspension
시험 박테리아로서 KS L ISO 27447 규격에 명시된 표준 대장균인 E.coli ATCC 8739를 사용하였다. 상기 E.coli ATCC 8739 균주를 백금 루프를 사용하여 LB 영양 배지에 접종하고, 37℃에서 16 내지 24시간 동안 배양한 후, 5℃ 냉장고에 보관하였다. 1개월 이내에 상기 과정을 모사하여 2차 배양을 반복하였다. 2차 배양할 때 CFU(colony forming unit)의 최대 개수는 10이여야 한다. LB 영양 배지는 25 g/L Luria Broth powder와 15 g/L agar powder (Sigma-Aldrich에서 구매 가능)를 증류수에 섞은 후 autoclave에 멸균한 후 ~40℃까지 온도가 떨어지면 petri dish에 적정량 정량하여 제조하였다. As a test bacterium, E.coli ATCC 8739, a standard E. coli specified in the KS L ISO 27447 standard, was used. The E.coli ATCC 8739 strain was inoculated into LB nutrient medium using a platinum loop, incubated at 37 ° C for 16 to 24 hours, and then stored in a 5 ° C refrigerator. The process was repeated within 1 month to repeat the second culture. The maximum number of colony forming units (CFU) in the second culture should be 10. LB nutrient medium is prepared by mixing 25 g / L Luria Broth powder and 15 g / L agar powder (available from Sigma-Aldrich) in distilled water, sterilizing it in autoclave, and quantifying it in petri dishes when the temperature drops to ~ 40 ℃. Did.
상기 박테리아 배양액을 원심분리하여 박테리아와 LB 액체 배지를 분리시킨 후 박테리아를 식염수에 이동하였다. Spectrophotometer를 이용하여 600 nm에서 박테리아-식염수 액의 흡수 값이 0.5가 되도록 현탄액을 희석시키고, 상기 박테리아 현탄액을 시험에 사용하였다. The bacterial culture was centrifuged to separate the bacteria from the LB liquid medium, and then the bacteria were transferred to saline. The suspension was diluted so that the absorption value of the bacterial-saline solution at 600 nm was 0.5 using a spectrophotometer, and the bacterial suspension was used for the test.
구체적인 희석 방법은, 각 plate는 1/10씩 희석시킨 것이므로 CFU 개수도 1/10씩 줄어든다. Plating에 사용된 현탁액의 양은 0.1 ml이다. C4의 CFU 개수가 299이며 사용된 액의 양이 0.1 ml이므로 299 CFU / 0.1ml = 2,990 CFU/ml이 된다 C1의 CFU 개수는 1,000를 곱한 ~3.0 × 106 CFU/ml 이며 C1은 박테리아 원액(C0)을 1/10 희석시킨 것이므로 박테리아 현탄액의 CFU 개수는 3.0 × 107 CFU/ml이다.As a specific dilution method, since each plate is diluted 1/10, the number of CFUs is also reduced by 1/10. The amount of suspension used for plating was 0.1 ml. CFU number of the C 4 and 299, so that the amount of solution used 0.1 ml 299 CFU / 0.1ml = 2,990 CFU / ml CFU is the number of C 1 is multiplied by 1,000 ~ 3.0 × 10 6 CFU / ml , and C 1 is Since the bacterial stock solution (C 0 ) is diluted 1/10, the number of CFUs in the bacterial suspension is 3.0 × 10 7 CFU / ml.
2) 시험편에 박테리아 접종2) Inoculation of bacteria into the test piece
앞서 제조한 시험편 위에, 박테리아 현탄액(C1, C2, C3, C4) 0.2 mL을 각각 정량한 후, 그 위에 투과율이 80% 이상인 폴리프로필렌 접착 필름을 배치하여, 광촉매 시료를 담지한 고분자 필름과 접착 필름의 사이에 위치한 미생물 현탁액을 포함하는 샌드위치 구조로 제조하였다. On the previously prepared test specimen, 0.2 mL of bacterial suspension (C 1 , C 2 , C 3 , C 4 ) was respectively quantified, and a polypropylene adhesive film having a transmittance of 80% or more was placed thereon to support a photocatalytic sample. It was prepared in a sandwich structure containing a microbial suspension located between the polymer film and the adhesive film.
3) 항균 시험(광 조건; light)3) Antibacterial test (light condition; light)
각 시험편을 광원 아래에 위치시키고, 34℃에서 6시간 동안 광을 조사하였다. 상기 사용한 광은 백색 가시광으로서, 430 nm blue 영역대의 peak을 기반으로 만들어진 LED를 조도계로 측정했을 때 1,000 lux를 사용하며, 시험편과 광원의 거리는 1 cm이었다. Each test piece was placed under a light source, and light was irradiated at 34 ° C. for 6 hours. The light used was white visible light, and when the LED made based on the peak of the 430 nm blue region was measured with an illuminometer, 1,000 lux was used, and the distance between the test piece and the light source was 1 cm.
4) 항균 시험(암 조건; dark)4) Antibacterial test (dark condition; dark)
상기 3)의 항균 시험과 동일한 방법으로 실시하되, 광을 조사하지 않고 암실에서 진행하여, 향균성을 평가하였다. It was carried out in the same manner as in the antibacterial test of 3), but proceeded in the dark without irradiating light to evaluate antibacterial properties.
상기 실험의 결과를 도 1에 나타내었다. 도 1에 나타난 바와 같이, 실시예의 화합물이 비교예의 화합물에 비하여 광 조건에서 더 좋은 항균성을 나타내었으며, 이론적으로 제한되는 것은 아니나 실시예의 화합물이 고분자에 대한 상용성이 보다 우수하여 분산성이 향상된 것에 기인하는 것으로 판단된다.The results of the experiment are shown in FIG. 1. As shown in Figure 1, the compound of the Examples showed better antimicrobial properties in light conditions than the compounds of the Comparative Examples, although the theory is not limited, the compound of the Examples has better compatibility with the polymer and thus improved dispersibility. It is judged to be caused.
실험예 2: 용해도 평가Experimental Example 2: Solubility evaluation
상기 실시예의 화합물(TOCPP) 및 비교예의 화합물(TCPP)를 각각 툴루엔과 DMF에 0.1 wt%, 0.3 wt% 및 0.5 wt%가 되도록 첨가하여 용해도를 평가하였으며, 그 결과를 도 2에 나타내었다. The solubility was evaluated by adding the compound of the Example (TOCPP) and the compound of the Comparative Example (TCPP) to toluene and DMF to be 0.1 wt%, 0.3 wt% and 0.5 wt%, respectively, and the results are shown in FIG. 2.
도 2에 나타난 바와 같이, 실시예의 TOCPP는 0.5 wt%인 경우에도 용해되지 않은 부분이 육안으로 관찰되지 않았다. 반면, 비교예의 TCPP는 0.3 wt%인 경우에도 용해되지 않은 부분이 관찰되었다. As shown in FIG. 2, even in the case of 0.5 wt% of TOCPP in the example, the undissolved portion was not observed with the naked eye. On the other hand, in the case of TCPP of the comparative example, an undissolved portion was observed even at 0.3 wt%.
Claims (6)
고분자 수지를 포함하는,
항균성 고분자 조성물:
[화학식 1]
상기 화학식 1에서,
R은 각각 독립적으로 -R', -O-R', -CO-R', 또는 -CO-O-R'이고,
R'는 C1-60 알킬, 또는 C6-60 아릴이고,
단, R 중 적어도 2개가 -CO-R' 또는 -CO-O-R'이다.
A compound represented by the following formula (1) as an antibacterial agent,
Comprising a polymer resin,
Antibacterial polymer composition:
[Formula 1]
In Chemical Formula 1,
R are each independently -R ', -O-R', -CO-R ', or -CO-O-R',
R 'is C 1-60 alkyl, or C 6-60 aryl,
However, at least two of R are -CO-R 'or -CO-O-R'.
R은 모두 -CO-O-R'인,
항균성 고분자 조성물.
According to claim 1,
R is -CO-O-R ',
Antibacterial polymer composition.
R'는 C1-10 알킬인,
항균성 고분자 조성물.
According to claim 1,
R 'is C 1-10 alkyl,
Antibacterial polymer composition.
R'는 옥틸인,
항균성 고분자 조성물.
According to claim 1,
R 'is octyl,
Antibacterial polymer composition.
상기 화학식 1로 표시되는 화합물은 하기 화합물인,
항균성 고분자 조성물:
According to claim 1,
The compound represented by Formula 1 is the following compound,
Antibacterial polymer composition:
상기 고분자 수지는 아크릴 수지인,
항균성 고분자 조성물.According to claim 1,
The polymer resin is an acrylic resin,
Antibacterial polymer composition.
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| WO2015134204A1 (en) * | 2014-03-07 | 2015-09-11 | University Of Cincinnati | Silver nanoparticle-enhanced photosensitizers |
| WO2016030528A1 (en) * | 2014-08-28 | 2016-03-03 | Pci Biotech As | Compound and method |
| WO2016051361A1 (en) * | 2014-09-30 | 2016-04-07 | Biolitec Unternehmensbeteiligungs Ii Ag | Specifically meso-substituted porphyrins and chlorins for photodynamic therapy |
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