KR101819090B1 - 분리막, 분리막 엘리먼트 및 분리막의 제조 방법 - Google Patents
분리막, 분리막 엘리먼트 및 분리막의 제조 방법 Download PDFInfo
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- KR101819090B1 KR101819090B1 KR1020137010788A KR20137010788A KR101819090B1 KR 101819090 B1 KR101819090 B1 KR 101819090B1 KR 1020137010788 A KR1020137010788 A KR 1020137010788A KR 20137010788 A KR20137010788 A KR 20137010788A KR 101819090 B1 KR101819090 B1 KR 101819090B1
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Abstract
Description
도 2는 고저차를 가지는 분리막의 다른 예를 나타낸 단면도이다.
도 3은 고저차를 가지는 분리막의 또 다른 예를 나타낸 단면도이다.
도 4는 고저차를 가지는 분리막의 또 다른 예를 나타낸 단면도이다.
도 5는 고저차를 가지는 분리막의 또 다른 예를 나타낸 단면도이다.
도 6은 고저차를 가지는 분리막의 또 다른 예를 나타낸 평면도이다.
도 7은 고저차를 가지는 분리막의 또 다른 예를 나타낸 평면도이다.
도 8은 고저차를 가지는 분리막의 또 다른 예를 나타낸 평면도이다.
101: 원유체 102: 투과 유체
103: 농축 유체 121: 분리막 본체
22∼26: 불연속 부재 28: 권위체
3: 네트 4: 트리코
6: 집수관 7: 제1 단판
8: 제2 단판 H: 고저차
Claims (20)
- 친수성 분자를 함유하는 분리막 본체; 및
상기 분리막 본체의 투과측의 적어도 한쪽 면에 접착된 불연속 부재를 포함하는 유로재
를 포함하는 분리막으로서,
상기 불연속 부재에 의해 상기 분리막에 80㎛ 이상 2000㎛ 이하의 고저차가 부여되고, 상기 불연속 부재는 상기 분리막 본체의 상기 투과측의 소재와는 상이한 화학 구조를 가지는 물질로 이루어지며,
절건(bone-dry) 후의 분리막에서의 친수성 분자의 중량이, 친수성 분자의 중량을 제외한 절건 후의 분리막의 중량의 0.1% 이상 40% 이하인, 분리막. - 제1항에 있어서,
상기 친수성 분자가 당쇄(糖鎖) 화합물 또는 다가 알코올류인, 분리막. - 제2항에 있어서,
상기 당쇄 화합물이 단당류, 이당류, 삼당류로부터 선택되는 적어도 1종의 당류인, 분리막. - 제2항에 있어서,
상기 당쇄 화합물이 글루코오스, 수크로오스, 말토오스, 락토오스, 트레할로스, 라피노스로부터 선택되는 적어도 1종의 당류인, 분리막. - 제2항에 있어서,
상기 다가 알코올이 폴리비닐알코올, 글리콜류, 글리세린, 폴리글리세린으로부터 선택되는 적어도 1종의 화합물인, 분리막. - 제1항 내지 제5항 중 어느 한 항에 있어서,
공급측의 면에, 제2급 아민, 수산기 및 에테르기로 이루어지는 군으로부터 선택되는 적어도 하나의 친수기를 가지는 보호층을 구비하고, X선 광전자 분광법을 사용하여 분리막의 공급측으로부터 측정한 친수기 농도가 0.2 이상 0.6 이하의 범위 내에 있고, 카르복실기 농도가 0.001 이상 0.03 이하의 범위 내인, 분리막. - 제6항에 있어서,
상기 보호층은, 상기 친수기를 가지는 수가용성(水可溶性) 유기 중합체의 가교물을 주성분으로서 함유하는, 분리막. - 제7항에 있어서,
상기 수가용성 유기 중합체는, 폴리비닐알코올, 폴리아세트산 비닐의 부분 비누화물, 폴리비닐피롤리돈, 폴리아크릴산, 폴리알릴아민, 폴리에틸렌이민, 폴리에피아미노하이드린, 아민 변성 폴리에피클로로하이드린, 폴리아크릴아미드, 폴리아크릴산 아미드, 폴리에틸렌글리콜, 및 셀룰로오스 유도체로 이루어지는 군으로부터 선택되는 적어도 1종의 화합물인, 분리막. - 제1항에 있어서,
상기 분리막 본체가 기재(基材), 다공성 지지층 및 분리 기능층을 포함하는 복합 분리막 본체인, 분리막. - 제9항에 있어서,
상기 분리 기능층이 가교 폴리아미드를 주성분으로서 함유하는, 분리막. - 제9항 또는 제10항에 있어서,
상기 기재가 장섬유 부직포인, 분리막. - 제11항에 있어서,
상기 장섬유 부직포의 상기 다공성 지지층과는 반대측의 표층에서의 섬유가, 상기 다공성 지지층 측의 표층의 섬유보다 세로 배향인, 분리막. - 제1항에 기재된 분리막을 구비한 분리막 엘리먼트.
- 분리막 본체 및 유로재를 가지는 분리막의 제조 방법으로서,
상기 분리막 본체의 투과측에 80㎛ 이상 2000㎛ 이하의 고저차를 부여하는 물질로 형성된, 상기 분리막 본체의 투과측의 적어도 한쪽 면에 불연속 부재로서 유로재를 제공하는 공정; 및
절건 후의 분리막 본체에서의 친수성 분자의 중량이, 친수성 분자의 중량을 제외한 절건 후의 분리막 본체의 중량의 0.1% 이상 40% 이하가 되도록, 상기 분리막 본체에 친수성 분자를 접촉시키는 공정
을 포함하며,
상기 불연속 부재는 상기 분리막 본체의 상기 투과측의 소재와는 상이한 화학 구조를 가지는, 분리막의 제조 방법. - 제14항에 있어서,
분리막 본체에 친수성 분자를 접촉시키는 상기 공정 후에, 유로재를 제공하는 상기 공정을 행하는, 분리막의 제조 방법. - 제14항에 있어서,
분리막 본체에 친수성 분자를 접촉시키는 상기 공정 전에, 유로재를 제공하는 상기 공정을 행하는, 분리막의 제조 방법 - 제14항에 있어서,
분리막 본체에 친수성 분자를 접촉시키는 공정은, 친수성 분자를 함유하는 수용액을 상기 분리막 본체에 도포하는 것을 포함하는, 분리막의 제조 방법. - 제14항에 있어서,
상기 친수성 분자로서, 당쇄 화합물 및 다가 알코올류 중 적어도 한쪽을 사용하는, 분리막의 제조 방법. - 제14항에 있어서,
분리막 본체에 친수성 분자를 접촉시키는 상기 공정은,
수가용성 유기 중합체의 수용액을 상기 분리막 본체에 도포하는 것; 및
상기 수가용성 유기 중합체를 가교시킴으로써, 수불용성의 보호층을 형성하는 것
을 포함하는, 분리막의 제조 방법. - 제14항 내지 제19항 중 어느 한 항에 있어서,
분리막 본체에 친수성 분자를 접촉시키는 상기 공정 및 유로재를 제공하는 상기 공정에 있어서, 기재, 다공성 지지층 및 분리 기능층을 포함하는 복합 분리막을 사용하는, 분리막의 제조 방법.
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- 2011-10-21 KR KR1020137010788A patent/KR101819090B1/ko not_active Expired - Fee Related
- 2011-10-21 SG SG2013031091A patent/SG189983A1/en unknown
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- 2011-10-21 CN CN201180052006.8A patent/CN103167904B/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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TW201223628A (en) | 2012-06-16 |
EP2633901A1 (en) | 2013-09-04 |
US20130213880A1 (en) | 2013-08-22 |
EP2633901A4 (en) | 2014-09-17 |
JPWO2012057028A1 (ja) | 2014-05-12 |
CN103167904A (zh) | 2013-06-19 |
KR20130143575A (ko) | 2013-12-31 |
SG189983A1 (en) | 2013-06-28 |
WO2012057028A1 (ja) | 2012-05-03 |
CN103167904B (zh) | 2016-10-26 |
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