JP6722824B2 - 銀ナノ粒子が含浸された銀ナノ有・無機複合樹脂の製造方法及びこれを利用して製造された抗生物性上水道管 - Google Patents
銀ナノ粒子が含浸された銀ナノ有・無機複合樹脂の製造方法及びこれを利用して製造された抗生物性上水道管 Download PDFInfo
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Description
(1)銀ナノ複合セラミックを合成する段階;
(2)第1の高分子樹脂の粉砕物を予熱する段階;
(3)上記(2)段階の第1の高分子樹脂の粉砕物の一部量に、上記(1)段階の銀ナノ複合セラミックを投入した後、超音波振動機を使用して、銀ナノ有・無機複合樹脂ゾル(sol)を製造する段階; 及び
(4)上記(2)段階の第1の高分子樹脂の粉砕物の残りと、上記(3)段階で製造された銀ナノ有・無機複合樹脂ゾルを混合と同時に、粉砕して銀ナノ有・無機複合樹脂を製造する段階。
(1))銀ナノ複合セラミックを合成する段階;
(2)第1の高分子樹脂の粉砕物を予熱する段階;
(3)上記(2)段階の第1の高分子樹脂の粉砕物の一部量に、上記(1)段階の銀ナノ複合セラミックを投入した後、超音波振動機を使用して、銀ナノ有・無機複合樹脂ゾル(sol)を製造する段階;及び
(4)上記(2)段階の第1の高分子樹脂の粉砕物の残りと、上記(3)段階で製造された銀ナノ有・無機複合樹脂ゾルを混合と同時に、粉砕して銀ナノ有・無機複合樹脂を製造する段階。
実施例1
<銀ナノ複合セラミック粉末の製造>
水酸化カルシウム37gを450mlの蒸留水に入れて懸濁液を製造し、これに0.29Mの硝酸銀溶液100mlをゆっくり攪拌しながら投入した後、24時間攪拌した。上記溶液に、リン酸溶液36.5gを450mlの蒸留水に溶解させた溶液をゆっくり攪拌しながら投入して、銀-水酸化アパタイト前駆体の混合物を得た。結果の前駆体混合物を約80℃で85%程度の水分が除去されるまで乾燥・熟成させた後、再び約120℃で水分含量が1%以下になるまで乾燥した。結果の白いケーキ型の混合物を850℃で焼成して、銀-水酸化アパタイト複合体を得た。得られた銀-水酸化アパタイト複合体2kgを蒸留水8Lに入れ、300rpmで攪拌して分散させ、これを400meshふるい(sieve)で湿式分級した後、再び乾燥機で乾燥させて水分を除去して、銀ナノ複合セラミック粉末として、銀-水酸化アパタイト粉末を得た。
高密度ポリエチレンを2〜1,000μmサイズに粉砕した後、300rpmで樹脂粉砕物を回転させながら、60℃で50分間予熱した。
上記予熱された樹脂粉砕物の一部を混合機に入れて、上記銀ナノ複合セラミック粉末(銀-水酸化アパタイト)と塗布補助剤を投入した後、続いて、分散およびエマルジョンライジングのために、周波数20kHzの超音波振動機を用いて30分間分散して、上記銀ナノ複合セラミック粉末が均一に分布した銀ナノ有・無機複合樹脂ゾルを製造した。このとき、上記樹脂粉砕物:上記銀ナノ複合セラミックの重量比は、30:1であった。
上記樹脂粉砕物の残り:上記銀ナノ有・無機複合樹脂ゾルの重量比が50:1になるように、樹脂粉砕物の残りを、図3に示すような噴射機、ハンマー型ブレードが装着された撹拌/粉砕機、およびエアスプレーノズルを備えた装置に投入し、上記エアスプレーノズルで空気を噴射しつつ、上記銀ナノ有・無機複合樹脂ゾルを上記装置の噴射機で樹脂粉砕物の表面に均一に塗布するとともに、撹拌/粉砕機を用いて混合しながら、0.1〜1,000μmの大きさに粉砕を同時に行った。得られた結果物を、5時間、60℃の条件下で乾燥させ、その後、結果の乾燥粉砕物を開始温度150℃、末端の温度230℃での条件で押出機でペレット形態で押出して、銀ナノ有・無機複合樹脂を得た。その後、上記銀ナノ有・無機複合樹脂を第2の高分子樹脂として高密度ポリエチレンと1:5の重量比で混合して、最終的の銀ナノ有・無機複合樹脂を得た。上記最終の銀ナノ有・無機複合樹脂の銀含有量は130ppmであった。
上記最終の銀ナノ有・無機複合樹脂を含む内層、高密度ポリエチレン組成物を利用して中空部が形成された帯状の管に成形し、これを内層の外面に螺旋状に強固に付着して形成した中間層、及び炭素繊維を含むPVC樹脂組成物からなる外層の厚さの割合が15%:70%:15%である上水道管を製作した。
高密度ポリエチレン樹脂で上水道管を製作した。
実施例1の上記<銀ナノ有・無機複合樹脂の製造>において、上記攪拌/粉砕機の代わりに、一般的な攪拌機を備えた装置で、粉砕工程なしに混合を実施したことを除いては、実施例1と同様に上水道管を製作した。
上記実施例1、比較例1および2の上水道管の抗菌力と生物膜の形成を、それぞれ3回ずつテストして、その結果を下記表1に示した。
20:撹拌/粉砕機
20 ':ハンマー型ブレード
30:エアスプレーノズル
40:第1の高分子樹脂の粉砕物
50:銀ナノ有・無機複合樹脂ゾル
Claims (9)
- 次の段階を含む、銀ナノ有・無機複合樹脂の製造方法:
(1)銀ナノ複合セラミックを合成する段階;
(2)第1の高分子樹脂の粉砕物を予熱する段階;
(3)上記(2)段階の第1の高分子樹脂の粉砕物の一部量に、上記(1)段階の銀ナノ複合セラミックを投入した後、超音波振動機を使用して、銀ナノ有・無機複合樹脂ゾルを製造する段階;及び
(4)上記(2)段階の第1の高分子樹脂の粉砕物の残りと、上記(3)段階で製造された銀ナノ有・無機複合樹脂ゾルを混合と同時に、粉砕して銀ナノ有・無機複合樹脂を製造する段階。 - 上記(1)段階において、上記銀ナノ複合セラミックは、銀-水酸化アパタイトである請求項1に記載の銀ナノ有・無機複合樹脂の製造方法。
- 上記(2)段階において、上記第1の高分子樹脂を2〜1,000μmの大きさに粉砕した後、40〜80℃で予熱することを含む請求項1に記載の銀ナノ有・無機複合樹脂の製造方法。
- 上記(3)段階において、さらに塗布補助剤を投入する請求項1に記載の銀ナノ有・無機複合樹脂の製造方法。
- 上記(3)段階において、上記(2)段階で得られた第1の高分子樹脂の粉砕物:上記(1)段階で得られた銀ナノ複合セラミックの重量比は、100:1〜10:1である請求項1に記載の銀ナノ有・無機複合樹脂の製造方法。
- 上記(4)段階において、上記(2)段階の第1の高分子樹脂の粉砕物の残り:上記(3)段階で製造された銀ナノ有・無機複合樹脂ゾルの重量比は、50:1〜1:1である請求項1に記載の銀ナノ有・無機複合樹脂の製造方法。
- 上記(4)段階は、銀ナノ有・無機複合樹脂ゾルを噴射する噴射機、および混合と粉砕を同時に実行するためのハンマー型ブレードが装着された撹拌/粉砕機を備えた装置を用いて実行される請求項1に記載の銀ナノ有・無機複合樹脂の製造方法。
- 上記(4)段階で得られた銀ナノ有・無機複合樹脂中の銀含有量は、100〜150ppmである請求項1に記載の銀ナノ有・無機複合樹脂の製造方法。
- 上記(4)段階の後で、さらに、(5)上記(4)段階で得られた銀ナノ有・無機複合樹脂を第2の高分子樹脂と混合して溶融する段階を含む請求項1〜8のいずれかに記載の銀ナノ有・無機複合樹脂の製造方法。
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CN112721353A (zh) * | 2020-12-30 | 2021-04-30 | 嘉兴奥飞新材料科技有限公司 | 一种抗菌铝箔复合材料 |
KR102229098B1 (ko) * | 2021-02-03 | 2021-03-18 | 주식회사 프라코 | 항균성 구리융합 폴리에틸렌 수도관의 제조방법 |
CN112940455A (zh) * | 2021-04-13 | 2021-06-11 | 王贵永 | 一种抗菌防霉的合成树脂及其制备方法 |
WO2023209788A1 (ja) * | 2022-04-26 | 2023-11-02 | ブレイニー株式会社 | 抗菌性金属含有ハイドロキシアパタイトの作製装置及び方法 |
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JPH07242456A (ja) * | 1994-02-28 | 1995-09-19 | Aica Kogyo Co Ltd | 抗菌性人工大理石製品の製法 |
KR100702848B1 (ko) * | 2004-03-10 | 2007-04-03 | 이정훈 | 은나노입자 및 고분자수지의 복합재료의 제조방법 |
JP2005331008A (ja) * | 2004-05-19 | 2005-12-02 | Matsushita Electric Ind Co Ltd | 給水ホース及び給水装置 |
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KR20070049450A (ko) * | 2005-11-08 | 2007-05-11 | 김영이 | 항균 파이프 |
KR100704316B1 (ko) * | 2006-05-29 | 2007-04-09 | 주식회사 동부한농 | 은나노 항균 수지 및 그 제조 방법 |
KR20080070304A (ko) * | 2007-01-26 | 2008-07-30 | 케이더불유피티 주식회사 | 은나노를 코팅한 상수도용 철관 |
JP2009029920A (ja) * | 2007-07-26 | 2009-02-12 | Fujitsu Ltd | 抗菌性塗料、抗菌性塗料の製造方法、および電子機器筐体 |
US20110024355A1 (en) * | 2007-10-10 | 2011-02-03 | Polymers Crc Ltd. | Antimicrobial membranes |
KR100877201B1 (ko) * | 2008-06-17 | 2009-01-07 | 주식회사 고리 | 고인장 내충격합성수지관의 제조방법 |
KR101764596B1 (ko) * | 2009-12-19 | 2017-08-10 | 이기봉 | 항균, 항곰팡이 소재에 적합한 은-수산화아파타이트 복합체의 제조방법 |
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KR101128054B1 (ko) * | 2011-07-08 | 2012-03-29 | 건설화성 주식회사 | 세라믹을 이용한 항균성 수도관의 조성물 및 그 제조방법 |
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EP3569643A1 (en) | 2019-11-20 |
AU2017392010A1 (en) | 2019-01-31 |
CN109563274A (zh) | 2019-04-02 |
BR112019001795A2 (pt) | 2019-05-07 |
AU2017392010B2 (en) | 2020-06-04 |
US20190330445A1 (en) | 2019-10-31 |
CN109563274B (zh) | 2021-09-10 |
JP2019528364A (ja) | 2019-10-10 |
MX2019000972A (es) | 2019-09-04 |
WO2018131767A1 (ko) | 2018-07-19 |
KR101766865B1 (ko) | 2017-08-11 |
EP3569643A4 (en) | 2020-08-19 |
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