KR101780018B1 - 친수성으로 개질된 플루오르화 막 (ⅴ) - Google Patents
친수성으로 개질된 플루오르화 막 (ⅴ) Download PDFInfo
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Abstract
Description
도 2는 본 발명의 일 구현예에 따라 친수성 플루오르화 폴리머를 코팅하고 가교하는 공정을 도시한다.
도 3은 CH2Cl2 중에서의 Poly(COD) 및 Poly(gly-hb-COD-hb-gly)의 GPC 분석 결과를 도 3에 도시한다.
CWST (dynes/cm) | ||
코팅 ID | 즉시 (Instant) |
10" - 15" 후 (Timed 10" - 15") |
미처리 PTFE (PTFE native) |
25.4 | 25.4 |
PTFE PCOD 처리-1 | 33 | 35 |
PTFE P(gly-hb-COD-hb-gly) 처리-1 | 37 | 39 |
Claims (18)
- 다공성 플루오로폴리머 지지체 및 가교된 폴리머 네트워크를 포함하는 코팅을 포함하는 복합 친수성 다공성 막으로서,
상기 복합 친수성 다공성 막은 용매, 가교제, 광개시제, 및 중합된 1,5-사이클로옥타디엔 반복 단위들로 이루어진 주쇄를 포함하는 텔레켈릭 폴리머를 포함하는 코팅 조성물로 상기 다공성 플루오로폴리머 지지체를 코팅하는 단계; 및
상기 얻은 코팅을 인시투(in-situ)로 가교시키는 단계에 의하여 제조되고,
상기 반복 단위들 중 적어도 1종은 여기에 부착된 펜던트 친수성기를 포함하고, 상기 반복 단위들 중 또 다른 적어도 1종은 여기에 부착된 펜던트 플루오르화 소수성기를 포함하는, 복합 친수성 다공성 막. - 제1항에 있어서,
상기 텔레켈릭 폴리머는 소수성 및/또는 친수성 말단기를 포함하는, 복합 친수성 다공성 막. - 제3항에 있어서,
R은 카르복시 알킬기, 술포닉 알킬기, 및 하이드록시알킬기로부터 선택되는, 복합 친수성 다공성 막. - 제3항에 있어서,
반복 단위들 A, B 및 C를 포함하는, 복합 친수성 다공성 막. - 제1항에 있어서,
상기 텔레켈릭 폴리머가 소수성 말단기를 갖는, 복합 친수성 다공성 막. - 제1항에 있어서,
상기 텔레켈릭 폴리머는 친수성 말단기를 포함하는, 복합 친수성 다공성 막. - 제9항에 있어서,
R은 카르복시 알킬기, 술포닉 알킬기, 및 하이드록시알킬기로부터 선택되는, 복합 친수성 다공성 막. - 제1항에 있어서,
상기 가교제는 바이티올(bithiol) 또는 멀티티올(multithiol)인, 복합 친수성 다공성 막. - 제1항에 있어서,
상기 광개시제는 캄퍼 퀴논(camphor quinone), 벤조페논, 벤조페논 유도체, 아세토페논, 아세토페논 유도체, 포스핀 옥사이드 및 유도체, 벤조인 알킬 에테르, 벤질 케탈, 페닐글리옥살릭 에스테르 및 이들의 유도체, 이합체성(dimeric) 페닐글리옥살릭 에스테르, 퍼에스테르(peresters), 할로메틸트리아진, 헥사아릴비스이미다졸/공개시제(coinitiator) 시스템, 페로세늄(ferrocenium) 화합물, 티타노센(titanocene), 및 이들의 조합으로부터 선택되는, 복합 친수성 다공성 막. - 제1항에 있어서,
상기 다공성 플루오로폴리머 지지체는 PTFE, PVDF, PVF(폴리비닐 플루오라이드), PCTFE(폴리클로로트리플루오로에틸렌), FEP(플루오르화 에틸렌-프로필렌), ETFE(폴리에틸렌테트라플루오로에틸렌), ECTFE(폴리 에틸렌클로로트리플루오로에틸렌), PFPE(퍼플루오로폴리에테르), PFSA(퍼플루오로술폰산), 및 퍼플루오로폴리옥세탄으로부터 선택된, 복합 친수성 다공성 막. - 제1항에 있어서,
상기 코팅의 가교는 상기 코팅을 자외선(UV radiation)에 노출시킴으로써 수행되는, 복합 친수성 다공성 막. - 하기의 단계들을 포함하는 다공성 플루오로폴리머 지지체를 친수성으로 개질하는 방법:
(ⅰ) 다공성 플루오로폴리머 지지체를 제공하는 단계;
(ⅱ) 용매, 가교제, 광개시제 및 하기 화학식의 텔레켈릭 폴리머를 포함하는 용액으로 상기 다공성 플루오로폴리머 지지체를 코팅하는 단계:
, , 또는
(여기서, P는 중합을 개시할 수 있는 기(group)이고, x 및 m은 각각 n+m+x의 0 초과 내지 35 몰%이고, n+m+x는 10 내지 1000이고, R은 친수성 기이다);
(ⅲ) (ⅱ)로부터 얻은 상기 코팅된 플루오로폴리머 지지체를 건조시켜 상기 코팅으로부터 상기 용매의 적어도 일부를 제거하는 단계; 및
(ⅳ) 상기 코팅 내에 존재하는 상기 텔레켈릭 폴리머를 가교시키는 단계. - 제16항에 따른 다공성 플루오로폴리머 지지체를 친수성으로 개질하는 방법에 의해 제조된 친수성으로 개질된 플루오로폴리머 다공성 막.
- 제1항 내지 제15항 중 어느 한 항에 따른 상기 복합 친수성 다공성 막 또는 제17항에 따른 상기 친수성으로 개질된 플루오로폴리머 다공성 막을 통해 유체를 통과시키는 단계를 포함하는 유체 여과 방법.
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Application Number | Priority Date | Filing Date | Title |
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US14/675,592 US9630151B2 (en) | 2015-03-31 | 2015-03-31 | Hydrophilically modified fluorinated membrane (V) |
US14/675,592 | 2015-03-31 |
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KR20160117131A KR20160117131A (ko) | 2016-10-10 |
KR101780018B1 true KR101780018B1 (ko) | 2017-09-19 |
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US (1) | US9630151B2 (ko) |
EP (1) | EP3075440B1 (ko) |
JP (1) | JP6116642B2 (ko) |
KR (1) | KR101780018B1 (ko) |
CN (1) | CN106010062B (ko) |
SG (1) | SG10201508801PA (ko) |
TW (1) | TWI593725B (ko) |
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US9855534B1 (en) * | 2016-12-28 | 2018-01-02 | Pall Corporation | Porous PTFE membranes for metal removal |
CN111867707A (zh) * | 2018-03-15 | 2020-10-30 | 恩特格里斯公司 | 氟化过滤薄膜、过滤器及方法 |
WO2019181387A1 (ja) | 2018-03-22 | 2019-09-26 | 富士フイルム株式会社 | ろ過装置、精製装置、薬液の製造方法 |
US10942854B2 (en) | 2018-05-09 | 2021-03-09 | Micron Technology, Inc. | Prefetch management for memory |
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EP3075440A1 (en) | 2016-10-05 |
SG10201508801PA (en) | 2016-10-28 |
US9630151B2 (en) | 2017-04-25 |
KR20160117131A (ko) | 2016-10-10 |
CN106010062B (zh) | 2019-01-15 |
JP2016194037A (ja) | 2016-11-17 |
US20160288060A1 (en) | 2016-10-06 |
CN106010062A (zh) | 2016-10-12 |
JP6116642B2 (ja) | 2017-04-19 |
EP3075440B1 (en) | 2017-12-20 |
TW201634537A (zh) | 2016-10-01 |
TWI593725B (zh) | 2017-08-01 |
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