JP6423367B2 - 自己殺菌性表面 - Google Patents
自己殺菌性表面 Download PDFInfo
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- JP6423367B2 JP6423367B2 JP2015555734A JP2015555734A JP6423367B2 JP 6423367 B2 JP6423367 B2 JP 6423367B2 JP 2015555734 A JP2015555734 A JP 2015555734A JP 2015555734 A JP2015555734 A JP 2015555734A JP 6423367 B2 JP6423367 B2 JP 6423367B2
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- quaternary ammonium
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- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 150000003951 lactams Chemical class 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920002627 poly(phosphazenes) Polymers 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 239000004632 polycaprolactone Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920003009 polyurethane dispersion Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002062 proliferating effect Effects 0.000 description 1
- 238000007717 redox polymerization reaction Methods 0.000 description 1
- 238000007430 reference method Methods 0.000 description 1
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
- A01N25/10—Macromolecular compounds
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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
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/02—Amines; Quaternary ammonium compounds
- A01N33/12—Quaternary ammonium compounds
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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
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/02—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton
- C07C217/50—Ethers of hydroxy amines of undetermined structure, e.g. obtained by reactions of epoxides with hydroxy amines
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C271/06—Esters of carbamic acids
- C07C271/08—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms
- C07C271/10—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C271/22—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by carboxyl groups
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K5/00—Use of organic ingredients
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- C08K5/00—Use of organic ingredients
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- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
a)反応性基を有するアルコキシル化置換基を有する4級アンモニウム化合物を含むコーティング組成物を、基板上に適用する工程と、
b)コーティング組成物を硬化させて硬化コーティングを得る工程と、を含み、
ここで、アルコキシル化置換基の反応性基は、硬化コーティング内で反応している、方法に関する。
R1は、5〜50の炭素原子を有するアルキル、アルケニル、アルキルアリール、又はアリールアルキル基であり;
R2は、C1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
R3とR4は、1〜4の炭素原子を有するアルキレン基であり;
R5とR6は、H又はC1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
R7は、C1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
R8は、C1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
R9は、H又はメチル基であり;
Zは、反応性基Aと反応することができる少なくとも1つの反応性基Bを含む置換基であり;
X-は、陰イオンであり;
mは、1〜30の整数、好ましくは1〜10、又は2〜6の整数であり;
nは、0〜30の整数、好ましくは1〜10、又は2〜6の整数であり;
Tは、モノマー単位であり;
Uは、モノマー単位であり;
Vは、C1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
dは、1〜5の整数、好ましくは1であり;
eは、1〜1000の整数、好ましくは5〜100であり;
gは、1〜100の整数、好ましくは2〜10であり;
hは、1〜5の整数、好ましくは2又は3である)の4級アンモニウム化合物と、を含む水性コーティング組成物に関する。
R9は、H又はメチルであり、好ましくはHであり;
R1は、10〜15の炭素原子を有する線状アルキル基であり;
R2は、C1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含む;
R3は、C1〜C4アルキレン基であり;
R4は、C1〜C4アルキレン基であり;
Zは、反応性基Aと反応することができる少なくとも1つの反応性基Bを含む置換基であり;
mは、1〜30の整数であり;
nは、1〜30の整数であり;
Xは、陰イオンであり、例えば硫酸塩、硝酸塩、リン酸塩、酢酸塩、又はハロゲンイオンである。
a)ISO/FDIS 20776−1(2006)に従って測定される低い抗菌活性を有する、上記した水系の液体コーティング組成物を基板に適用し、
b)液体コーティング組成物を硬化させ乾燥して、基板上に抗菌性コーティングを得る、ことにより調製される、抗菌性コーティングに関する。
R1は、5〜50の炭素原子を有するアルキル、アルケニル、アルキルアリール、又はアリールアルキル基であり;
R2は、C1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
R3とR4は、1〜4の炭素原子を有するアルキレン基であり;
R5とR6は、H又はC1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
R7は、C1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
R9は、H又はメチル基であり;
Zは、反応性基Aと反応することができる少なくとも1つの反応性基Bを含む置換基であり;
X-は、陰イオンであり;
yは1であり;
mは、1〜30の整数、好ましくは1〜10、又は2〜6の整数であり;
nは、0〜30の整数、好ましくは1〜10、又は2〜6の整数であり;
Tは、モノマー単位であり;
Uは、モノマー単位であり;
Vは、C1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
dは、1〜5の整数、好ましくは1であり;
eは、1〜1000の整数、好ましくは5〜100であり;
gは、1〜100の整数、好ましくは2〜10であり;
hは、1〜5の整数、好ましくは2又は3である)の4級アンモニウム化合物に関する。
式(I)の4級アンモニウム化合物と(式II)のポリマーの形成
(式中、m+n=13であり、ココアルキル基は、主にC12〜C14線状アルキル鎖の混合物である)を、5.54グラムの無水コハク酸(モル比1:2)と混合し、20.0グラムのアセトンに溶解し、冷却器、温度計、及び滴下ロートを取り付けた反応容器中で50℃で8時間加熱した。反応の進行は、酸価滴定を使用して追跡される。酸価がそれ以上低下しなくなった時に、反応が完了した。式(VI)の錯体が形成された(これは式(I)の化合物の具体例である)。
コーティング組成物の調製
中和エマルジョンに、表2に記載した比率のPU−分散液と7.5%(m/m)のカルボジイミド架橋剤とを混合することにより、様々なコーティング組成物が調製されている。
種々のコーティング組成物(成分の比率については表2を参照)が、実験室試験アプリケーター(TQC VF2146 bakerアプリケーター)を用いて、120μmの厚さでガラス基板上に適用されている。コーティング組成物の適用後、コーティング組成物は、70℃で30分間硬化されてコーティングが調製された。
実施例3
コーティング組成物の抗菌特性の測定のための試験法
化合物の抗菌活性は、いわゆる「最小阻止濃度」(MIC−)アッセイで測定した。
この試験では、AM化合物は、塗料などのinーcan保存剤としての使用のために評価することができる。
96ウェルプレートを密閉し、オートクレーブテープで密封し、次にアルミ箔に充填した。(T24のタイミングで)37℃でインキュベーション後、ウェル中の細菌の数を、Tecan Readerを用いてOD600の測定により決定した。
実施例4
抗菌特性の測定のための試験法
実施例5
表面電荷密度の測定のための試験法
表面上の4級アンモニウム基の密度は、コーティングの表面に結合したフルオレセインの量として測定した。実施例2のコーティング組成物は、ガラススライド(試験表面1×1cm2)上に塗布し、蒸留水中のフルオレセインナトリウム塩の1%(重量)溶液10mLを含む試験管に10分間入れた。試料をフルオレセイン溶液から取り出し、蒸留水で広範囲にリンスし、新鮮な試験管中の塩化セチルトリメチルアンモニウムの0.1%溶液3mLに入れた。次に試料を、オービタルシェーカー上で300rpmで20分間振盪して、色素を脱着した。得られた水溶液の吸光度を、100mMのPBS(リン酸緩衝化生理食塩水)(pHは8)1mlを添加した後、501nmで測定した。
実施例6
実施例2のコーティングからの抗菌性物質の浸出の評価
実施例7
式(III)の遊離アクリル基を有する4級アンモニウム化合物の形成
実施例7からのQACのPUR−コーティングの形成
実施例9
実施例7からのQACの水性UV−コーティングの形成
生じたコーティング層は、透明、均一、革タフであり、光沢のある明瞭な層であった。
Claims (14)
- 抗菌特性を有するコーティングを基板上に形成する方法であって、
a.式(Ia)、(II)、又は(III):
R1は、5〜50の炭素原子を有するアルキル、アルケニル、アルキルアリール、又はアリールアルキル基であり;
R2は、C1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
R3は、C1−C4アルキレン基であり;
R4は、C1−C4アルキレン基であり;
R5とR6は、H又はC1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
R7は、C1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
R9は、H又はメチル基であり;
Zは、水酸基であり、かかる水酸基が反応性水酸基であり;
X-は、陰イオンであり;
mは、1〜30の整数であり;
nは、1〜30の整数であり;
Tは、モノマー単位であり;
Uは、モノマー単位であり;
Vは、C1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
dは、1〜5の整数であり;
eは、1〜1000の整数であり;
gは、1〜100の整数であり;
hは、1〜5の整数である)
で表される4級アンモニウム化合物を含むコーティング組成物を、基板上に適用する工程、ここで前記4級アンモニウム化合物が、反応性水酸基を有するアルコキシ化置換基を有し、
b.コーティング組成物を硬化させて硬化コーティングを得る工程を含み、
ここで、前記アルコキシル化置換基の反応性水酸基は、硬化コーティング内で反応されており、ここで硬化コーティングが1×1015/cm2超の表面荷電を有する、方法。 - R9がHである、請求項1に記載の方法。
- R1が、10〜15の炭素原子を有する線状アルキル基である、請求項1又は2に記載の方法。
- 前記コーティング組成物が、低抗菌活性を有し、ここで、低抗菌活性は、ISO/FDIS 20776−1(2006)に従って、緑膿菌(Pseudomonas aeruginosa)の細菌増殖の20%未満の阻害として定義される、請求項1〜3のいずれか1項に記載の方法。
- 反応性基Aを有する化合物と、式(Ia)、(II)、又は(III):
R1は、5〜50の炭素原子を有するアルキル、アルケニル、アルキルアリール、又はアリールアルキル基であり;
R2は、C1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
R3は、C1−C4アルキレン基であり;
R4は、C1−C4アルキレン基であり;
R5とR6は、H又はC1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
R7は、C1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
R9は、H又はメチル基であり;
Zは、水酸基であり、かかる水酸基が反応性基Aと反応する;
X-は、陰イオンであり;
mは、1〜30の整数であり;
nは、1〜30の整数であり;
Tは、モノマー単位であり;
Uは、モノマー単位であり;
Vは、C1〜C100ヒドロカルビル基であり、任意にヘテロ原子を含み;
dは、1〜5の整数であり;
eは、1〜1000の整数であり;
gは、1〜100の整数であり;
hは、1〜5の整数である)
の4級アンモニウム化合物とを含み、ここで硬化コーティングが1×1015/cm2超の表面荷電を有し、請求項1に記載の方法に使用される、水性コーティング組成物。 - 請求項5に記載のコーティング組成物であって、反応性基Aを有する化合物が、ポリラクタム;ポリウレタン;ポリ尿素;アクリル酸とメタクリル酸のホモポリマー及びコポリマー;ポリビニルアルコール;ポリビニルエーテル;無水マレイン酸系コポリマー;ポリエステル;ビニルアミン;ポリエチレンイミン;ポリエチレンオキシド;ポリカルボン酸;ポリアミド;ポリホスファゼン;セルロース誘導体、及び他の多糖類、;コンドロイチン硫酸塩;ポリペプチド/タンパク質、;ポリエステル、;及びポリヌクレオチドからなる群から選択される少なくとも1つのポリマーを含む、コーティング組成物。
- 反応性基Aを有する化合物が、アジリジン、カルボジイミド、メラミン、多官能性アルコール、多官能性アルデヒド、多官能性アミン、多官能性イソシアネート、多官能性エポキシド、及びこれらの組み合わせから選択される架橋剤を含む、請求項6に記載のコーティング組成物。
- 反応性基Aのモル量/Zにおける水酸基のモル量の比が0.1〜2である、請求項5〜7のいずれか1項に記載のコーティング組成物。
- R3とR4が、メチレン、エチレン、プロピレン、又はブチレン基である、請求項5〜8のいずれか1項に記載のコーティング組成物。
- 該4級アンモニウム化合物が、コーティング組成物中に、担体液を除いたコーティング組成物の重量に基づいて、5wt%〜70wt%の量で存在する、請求項5〜9のいずれか1項に記載のコーティング組成物。
- 該液体コーティング組成物が低い抗菌活性を有し、低い抗菌活性が、ISO/FDIS 20776−1(2006)に従って、緑膿菌の細菌増殖の20%未満の阻害であると定義される、請求項5〜10のいずれか1項に記載のコーティング組成物。
- X-が、硫酸イオン、硝酸イオン、リン酸イオン、酢酸イオン、又はハロゲンイオンから選択される陰イオンである、請求項5〜11のいずれか1項に記載のコーティング組成物。
- 請求項5〜12のいずれか1項に記載のコーティング組成物を基板に適用し、次にコーティング組成物を硬化させてコーティングを調製することにより、抗菌性コーティングを基板上に調製する方法。
- 請求項1〜4に記載の方法により調製される抗菌性コーティングを含む物品であって、該コーティングの表面が、アルコキシ置換基を有する4級アンモニウム基を含み、ここでコーティングの表面電荷が1×1015/cm2超の表面荷電を有する、物品。
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PCT/EP2014/051970 WO2014118350A1 (en) | 2013-02-01 | 2014-01-31 | Self-disinfecting surfaces |
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AU2014211319A1 (en) | 2015-07-23 |
US10266705B2 (en) | 2019-04-23 |
US9803090B2 (en) | 2017-10-31 |
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