JP2023508038A - 抗菌性高分子組成物 - Google Patents
抗菌性高分子組成物 Download PDFInfo
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- JP2023508038A JP2023508038A JP2022538456A JP2022538456A JP2023508038A JP 2023508038 A JP2023508038 A JP 2023508038A JP 2022538456 A JP2022538456 A JP 2022538456A JP 2022538456 A JP2022538456 A JP 2022538456A JP 2023508038 A JP2023508038 A JP 2023508038A
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- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000002560 nitrile group Chemical group 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- HMZGPNHSPWNGEP-UHFFFAOYSA-N octadecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C(C)=C HMZGPNHSPWNGEP-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
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- GYDSPAVLTMAXHT-UHFFFAOYSA-N pentyl 2-methylprop-2-enoate Chemical compound CCCCCOC(=O)C(C)=C GYDSPAVLTMAXHT-UHFFFAOYSA-N 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- ULDDEWDFUNBUCM-UHFFFAOYSA-N pentyl prop-2-enoate Chemical compound CCCCCOC(=O)C=C ULDDEWDFUNBUCM-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
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- BOQSSGDQNWEFSX-UHFFFAOYSA-N propan-2-yl 2-methylprop-2-enoate Chemical compound CC(C)OC(=O)C(C)=C BOQSSGDQNWEFSX-UHFFFAOYSA-N 0.000 description 1
- LYBIZMNPXTXVMV-UHFFFAOYSA-N propan-2-yl prop-2-enoate Chemical compound CC(C)OC(=O)C=C LYBIZMNPXTXVMV-UHFFFAOYSA-N 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
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- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
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- 229910052709 silver Inorganic materials 0.000 description 1
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- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
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- 239000010409 thin film Substances 0.000 description 1
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Abstract
Description
本出願は、2020年5月28日付の韓国特許出願第10-2020-0064475号および2021年5月28日付の韓国特許出願第10-2021-0069014号に基づく優先権の利益を主張し、当該韓国特許出願の文献に開示されたすべての内容は本明細書の一部として含まれる。
親水性高分子;および
下記の化学式1で表される繰り返し単位を含む抗菌性高分子を含み、
前記抗菌性高分子は、前記親水性高分子100重量部に対して1重量部以上50重量部未満で含まれる、
抗菌性高分子組成物を提供する:
R1~R3は、それぞれ独立して、水素またはメチルであり、
R4~R7は、それぞれ独立して、水素、炭素数1~10のアルキル、または炭素数6~30のアリールであり、
nは、10~10,000の整数である。
一実施形態の抗菌性高分子組成物は、親水性高分子;および下記の化学式1で表される繰り返し単位を含む抗菌性高分子を含み、この時、前記抗菌性高分子は、前記親水性高分子100重量部に対して1重量部以上50重量部未満で含まれる:
R1~R3は、それぞれ独立して、水素またはメチルであり、
R4~R7は、それぞれ独立して、水素、炭素数1~10のアルキル、または炭素数6~30のアリールであり、
nは、10~10,000の整数である。
R1~R3は、すべて水素であり、
R4~R7は、それぞれ独立して、水素、メチル、またはフェニルであってもよい。
nは、10~10,000の整数である。
各置換基の定義は、前記化学式1で定義した通りである。
R’1~R’3は、それぞれ独立して、水素またはメチルであり、
kは、1~10の整数であり、
mは、1~10,000の整数である。
mは、1~10,000の整数である。
各置換基の定義は、前記化学式2で定義した通りである。
各置換基の定義は、前記化学式3で定義した通りである。
nは、10~10,000の整数である。
各置換基に関する説明は、前記化学式1および2で定義した通りであり、
各置換基に関する説明は、前記化学式1および3で定義した通りである。
n+mは、10~10,000であり、
n:mは、1:99~99:1である。
n+mは、10~10,000であり、
n:mは、1:99~99:1である。
前記親水性高分子の重量に対して4倍~13倍の体積の量(ml/g)の水を含む溶媒に、親水性高分子、前記抗菌性高分子、前記親水性高分子100重量部に対して1重量部以上50重量部未満;および選択的に、前記親水性高分子100重量部に対して1~10重量部のグリセロールを、最終固形分の含有量が10~20重量%となるように溶媒に溶解させて製造される。
一方、他の側面によれば、1つ以上の基材;および前記基材上の少なくとも一面に備えられたコーティング層を含み、前記コーティング層は、上述した抗菌性高分子組成物によって形成された抗菌性物品が提供される。
親水性高分子としてSigma-Aldrich社製のポリビニルアルコール(PVA、重量平均分子量(Mw):200,000g/mol)100重量部と、抗菌性高分子として前記製造例1で製造したPGAを前記親水性高分子100重量部対比2重量部を、60℃の最終固形分の含有量が10.2重量%となるように調節された含有量の水に投入し、前記高分子が十分に溶解するように磁力撹拌機(Magnetic stirrer)(Hei-Tec、heidolph-instruments社製造)で6時間混合して、抗菌性高分子組成物を製造した。
前記実施例1における抗菌性高分子PGAを親水性高分子PVA100重量部に対して10重量部使用しかつ、最終固形分の含有量が11重量%となるように水の含有量を調節したことを除けば、実施例1と同様の方法で抗菌性高分子組成物を製造した。
前記実施例2における抗菌性高分子PGAの代わりに、前記製造例2で製造したPAA-co-PGAを親水性高分子PVA100重量部に対して10重量部用いたことを除けば、実施例2と同様の方法で抗菌性高分子組成物(固形分含有量:11重量%)を製造した。
親水性高分子としてSigma-Aldrich社製のポリビニルアルコール(PVA、重量平均分子量(Mw):200,000g/mol)100重量部と、抗菌性高分子として前記製造例3で製造したPHMA-co-PGAを前記親水性高分子100重量部に対して10重量部を、60℃の最終固形分の含有量が11重量%となるように調節された含有量の水に投入し、前記高分子が十分に溶解するように磁力撹拌機(Hei-Tec、heidolph-instruments社製造)で6時間混合して、抗菌性高分子組成物を製造した。製造された組成物の恒温/恒湿(23℃、50%相対湿度)条件での粘度は、Brookfield DV2T LV TJ0モデル装置により、V-75 スピンドル(spindle)で200rpmで測定時、3,884cPであった。
親水性高分子としてSigma-Aldrich社製のポリビニルアルコール(PVA、重量平均分子量(Mw):200,000g/mol)100重量部と、抗菌性高分子として前記製造例1で製造したPGAを前記親水性高分子100重量部に対して10重量部と、前記製造例2で製造したPAA-co-PGAを前記親水性高分子100重量部に対して10重量部、60℃の最終固形分の含有量が12重量%となるように調節された含有量の水に投入し、前記高分子が十分に溶解するように磁力撹拌機(Hei-Tec、heidolph-instruments社製造)で6時間混合して、抗菌性高分子組成物を製造した。製造された組成物の恒温/恒湿(23℃、50%相対湿度)条件での粘度は、Brookfield DV2T LV TJ0モデル装置により、V-75 spindleで200rpmで測定時、4,318cPであった。
前記実施例1における抗菌性高分子PGAを用いないことを除けば、実施例1と同様の方法で高分子コーティング組成物(固形分含有量:10重量%)を製造した。
前記実施例1における抗菌性高分子PGAを用いず、最終固形分の含有量が20重量%となるように水の含有量を調節したことを除けば、実施例1と同様の方法で高分子コーティング組成物を製造した。
前記実施例1における抗菌性高分子PGAの含有量をPVA100重量部に対して50重量部を用いかつ、最終固形分の含有量が実施例1と同様に10.2重量%となるように水の含有量を調節したことを除けば、製造例1と同様の方法で高分子コーティング組成物を製造した。
まず、前記製造例1と同様の方法で重量平均分子量が1,000g/molであり、nが9である単一重合体の低分子量抗菌性高分子LM-PGAを製造した。
(1)抗菌性フィルムの製造
他に表記しない限り、下記の特性評価は恒温/恒湿(23±1℃、相対湿度50±10%)で進行させた。
前記で製造した抗菌性フィルムそれぞれに対して抗菌試験を進行させた。具体的には、抗菌試験として下記の方法で菌増殖抑制率(%)を測定し、JIS Z 2801の抗菌評価法を用いて菌数を確認した。
2)親水性高分子PVA100重量部対比の重量部
3)吸光度測定法を用いて確認した菌増殖抑制率
4)JIS Z 2801の抗菌評価法を用いて確認した菌数
前記実施例1の抗菌性コーティング組成物によってコーティング層が形成された抗菌性フィルム、および前記比較例4の抗菌性コーティング組成物によってコーティング層が形成された抗菌性フィルムそれぞれを5cm×5cmの大きさに切断した後、上述した方法で菌増殖抑制率を測定し、これを初期菌増殖抑制率(T0)とした。以後、それぞれの抗菌性フィルムを35℃、相対湿度90%の条件が形成された培養器(IB-05G、Jeio tech社製造)に入れた後、24時間経過した後に取り出して、同様の方法で菌増殖抑制率を測定し、これを菌増殖抑制率(T1)とした。これに基づいて、下記の数式2により菌増殖抑制率変化量(%)を計算した後、その結果を下記表2に示した。
2)親水性高分子PVA100重量部対比の重量部
前記実施例1および実施例4でそれぞれ製造した抗菌性高分子組成物を、ガラス板にバーコーター(Bar coater)を用いて100μmの厚さとなるように塗布した後、80℃で240分間乾燥して、一面に抗菌性高分子組成物がコーティングされたガラス板を製造した。次に、ACS Appl.Mater.Interfaces2020、12、10、12305-12316を参照してAntifogging関連の実験を進行させた。実験方法を簡単に要約すれば、80℃に温度を高めた水槽を用意した後、水面上5cmの位置に、一面に抗菌性高分子組成物がコーティングされたガラス板を置き、5秒間維持して、Antifogging性能が発現するか否かを観察した。
Claims (21)
- 水を含む溶媒を追加的に含む、
請求項1に記載の抗菌性高分子組成物。 - 前記親水性高分子は、ポリビニルアルコール(PVA)、ポリエチレングリコール(PEG)、ポリビニルピロリドン(PVP)およびカルボキシメチルセルロース(CMC)の中から選択される1種以上である、
請求項1または2に記載の抗菌性高分子組成物。 - 前記親水性高分子は、前記抗菌性高分子組成物の総重量を基準として7重量%~20重量%含まれる、
請求項1から3のいずれか一項に記載の抗菌性高分子組成物。 - 前記抗菌性高分子は、前記化学式1で表される繰り返し単位だけを含む単一重合体(homopolymer)、前記化学式1で表される繰り返し単位および1つ以上のエチレン性不飽和基を有する単量体に由来する繰り返し単位を含む共重合体(copolymer)、またはこれらの混合物である、
請求項1から5のいずれか一項に記載の抗菌性高分子組成物。 - 前記1つ以上のエチレン性不飽和基を有する単量体は、アクリル酸系単量体、アルキル(メタ)アクリレート系単量体、アクリルアミド系単量体、ハロゲン化ビニル単量体、ビニルアルキレート系単量体、アルケニルシアン化物単量体および芳香族ビニル系単量体の中から選択される1種以上である、
請求項6に記載の抗菌性高分子組成物。 - 前記共重合体内における前記化学式1で表される繰り返し単位と前記1つ以上のエチレン性不飽和基を有する単量体に由来する繰り返し単位のモル比は、1:99~99:1である、
請求項6から9のいずれか一項に記載の抗菌性高分子組成物。 - 前記抗菌性高分子は、線状高分子である、
請求項1から10のいずれか一項に記載の抗菌性高分子組成物。 - 前記抗菌性高分子は、重量平均分子量が5,000~1,000,000g/molである、
請求項1から11のいずれか一項に記載の抗菌性高分子組成物。 - 前記溶媒は、水であるか、または水とエタノールとの混合物である、
請求項2から12のいずれか一項に記載の抗菌性高分子組成物。 - 前記親水性高分子100重量部に対して1~10重量部のグリセロールをさらに含む、
請求項1から13のいずれか一項に記載の抗菌性高分子組成物。 - 固形分の含有量が10~20重量%である、
請求項2から14のいずれか一項に記載の抗菌性高分子組成物。 - 恒温/恒湿(23℃、50%相対湿度)条件での粘度が、Brookfield DV2T LV TJ0モデル装置により、V-75 spindleで200rpmで測定時、1,000cP~20,000cPである、
請求項2から15のいずれか一項に記載の抗菌性高分子組成物。 - グラム陰性菌(Gram-negative bacteria)に対して抗菌性を示す、
請求項1から16のいずれか一項に記載の抗菌性高分子組成物。 - 前記グラム陰性菌は、プロテウスミラビリス(Proteus mirabilis)、大腸菌(Escherichia coli)、チフス菌(Salmonella typhi)、緑膿菌(Pseudomonas aeruginosa)およびコレラ菌(Vibrio cholerae)の中から選択される1種以上である、
請求項17に記載の抗菌性高分子組成物。 - 1つ以上の基材;および
前記基材上の少なくとも一面に備えられたコーティング層を含み、
前記コーティング層は、請求項1から18のいずれか一項に記載の抗菌性高分子組成物によって形成されたものである、
抗菌性物品。 - 前記コーティング層は、前記基材から分離可能である、
請求項19に記載の抗菌性物品。 - 前記抗菌性物品は、鮮度保持用材料、ファブリック製品、農業用フィルム、各種オフィス用品、各種包装材料および医療用品の中から選択される1種以上である、
請求項19または20に記載の抗菌性物品。
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