KR840002471A - 양이온 교환막의 보수방법 - Google Patents

양이온 교환막의 보수방법 Download PDF

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KR840002471A
KR840002471A KR1019820004913A KR820004913A KR840002471A KR 840002471 A KR840002471 A KR 840002471A KR 1019820004913 A KR1019820004913 A KR 1019820004913A KR 820004913 A KR820004913 A KR 820004913A KR 840002471 A KR840002471 A KR 840002471A
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dispersion
membrane
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carboxylate
damaged
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하우워어드 맥케인(외 2) 지이
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티모시 이이 틴클러
다이아몬드 샴락크 코오포레이션
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    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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Abstract

내용 없음.

Description

양이온 교환막의 보수방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. 술포닐 및 카르보닐중 하나로부터 유도된 매달린 관능기를 갖고 당량이 높은 파플루오로탄소 공중합막의 손상된 막을 보수하는 방법에 있어서, 1) 패칭 파플루오로탄소를 선택한 후, 패칭 파플루오로탄소와 막 파플루오로탄소 모두를 적어도 부분적으로 용해할 수 있는 매체에 패칭 파플루오로탄소를 분산하고, 2) 분산된 패칭 파플루오로탄소를 보수될 막의 손상부분에 이용한 후, 3) 가열 및 진공하에 분산매체를 제거한 다음, 4) 손상된 막부분에 원하는 두께로 보수될 때까지 상기 2 및 3단계를 반복하는 것을 특징으로 하는 양이온 교환막의 보수방법.
  2. 제1항에 있어서, 분산액이 이용될 때 보강용 직조 메시가 적어도 손상된 부분을 연결하면서 패칭분산액에 매립되는 것을 특징으로 하는 방법.
  3. 제1항에 있어서, 분산액이 승온에서 이용되는 것을 특징으로 하는 방법.
  4. 적어도 하나의 플루오르화 비닐화합물로 구성된 단량체와 구조식 CF2=CFX, CF2CFR1X 및 CF2=CFOR1X(여기서 R1은 산소원자에 의해 단속될 수 있는 탄소수 2-8의 이기능 파플루오르화 라디칼이고, X는 플루오르화 술포닐, 플루오르화 카르보닐, 술포네이트 에스테르, 카르복실레이트 에스테르, 술폰아마이드와 카르복실레이트 및 술포네이트 관능기의 금속, 암모늄 또는 아민염임)로 표시되는 적어도 하나의 단량체로부터 중합되고 당량이 높은 과플루오로 탄소 공중합체로 이루어진 막의 손상부분을 보수하는 방법에 있어서, 1) 적어도 하나의 플루오르화 비닐 화합물로 구성된 단량체와 구조식 CF2=CFX2, CF2=CFOR1X 및 CF2=CFOR1X(여기서 R1은 산소원자에 의해 단속될 수 있는 탄소수 2-8의 이기능 과플루오르화 라디칼이고, X는 플루오르화 술포닐, 플루오르화 카르보닐, 술포네이트 에스테르, 카르복실레이트 에스테르, 술폰아마이드와 카르복실레이트 및 술포네이트 관능기의 금속염으로 부터 선택되는 매달린 관능 기임)으로 표시되는적어도 하나의 단량체로부터 중합된 패칭 과플루오로탄소 공중합체를 선택한 다음, 패칭 및 막 모두를 적어도 부분적으로 용해할 수 있는 매체에체에 패칭플루오로 탄소를 분산하여 약 5-25중량%의 용해된 과플루오로탄소를 포함하는 분산액을 만들며, 상기 분산매체는 할로카본 오일, 과플루오로옥타노산, 과플루오로데카노산, 과플루오로트리부틸아민, 3M사 제품인 FC-70(과플루오로트리알킬아민), 과플루오로-1-메틸데카린, 데카플루오로비페닐, 펜타플루오로페놀, 펜타플루오토벤조산, N-부틸아세트아마이드, 테트라하이드로티오펜-1,1-디옥사이드(테트라메틸렌술폰, 술포란), N,N-디메틸 아세트 아마이드, N,N-디에틸 아세트 아마이드, N,N-디메틸프로피온 아마이드, N,N-디부틸 포름아마이드, N,N-디프로필아세트 아마이드, N,N-디메틸 포름 아마이드, 1-메틸-2-피롤리디는, 디에틸렌글리콜 에틸아세트 아미도 아세테이트, 1-시클로헥실-2-피롤리돈, 글리세린, 에틸-헥실-디-페닐포스페이트 및 이들의 혼합물로부터 선정되고; 2)분산된 패칭 과플루오로탄소를 막의 손상된 부분에 이용하고; 3) 가열 또는 진공하에 분산매체를 제거한 다음; 4) 보수될 부분이 원하는 두께로 될때까지 상기 2및 3단계를 반복하는 것을 특징으로 하는 막의 손상된 부분을 보수하는 방법.
  5. 제4항에 있어서, 분산액이 이용될 때 보강용 직조 메시가 적어도 손상된 부분을 연결하면서 패칭 분산액에 매립되는 것을 특징으로 하는 방법.
  6. 제4항에 있어서, 분산액이 125℃에서 막에 이용되는 것을 특징으로 하는 방법.
  7. 제5항에 있어서, 메시가 테프론(TELON)으로부터 직조된 것을 특징으로 하는 방법.
  8. 적어도 하나의 플루오르화 비닐화합물로 구성된 단량체와 CF2=CFX, CF2CFR1X 및 CF2=CFOR1X(여기서 R1은 산소원자에 의해 단속될 수 있는 탄소수 2-8의 이기능 과플루오르화 라디칼이고, X는 플루오르화 술포닐, 플루오르화 카르보닐, 술포네이트 에스테르, 카르복실레이트 에스테르, 술폰아마이드와 술포네이트 및 카르복실레이트 관능기의 금속염 임)로 나타내는 적어도 하나의 단량체로부터 중합되고 당량이 높은 과플루오로탄소 공중합체로부터 제조된 전해조막을 보수하는데 유용하고, a) 적어도 하나의 플루오르화 비닐 화합물로 구성된 단량체와 CF2=CFX, CF2CFR1X 및 CF2=CFOR1X(여기서 R1은 산소원자에 의해 단속될 수 있는 탄소수 2-8의 이기능 과플루오르화 라디칼이고, X는 플루오르화 술포닐, 플루오르화 카르보닐, 술포네이트 에스테르, 카르복실레이트 에스테르, 술폰아마이드와 술포네이트 및 카르복실레이트 관능기의 금속, 암모늄 또는 아민염으로부터 선택된 매달린 관능기임)로 나타내는 적어도 하나의 단량체로부터 중합된 패칭 과플루오로탄소 공중합체와 b) 패칭 과플루오로탄소와 막의 과플루오로탄소 모두를 적어도 부분적으로 용해할 수 있으며, 할로카본 오일, 과플루오로옥타노산, 과플루오로데카노산, 과플루오로 트리부틸아민, 3M사 제품인 FC-70(과플루오로트리알킬아민), 과플루오로-1-메틸데카린, 데카플루오로비페닐, 펜타플루오로페놀, 펜타플루오로벤조산, -부틸아세트아마이드, 테트라하이드로티오펜-1,1-디옥사이드(테트라멘틸렌술폰, 술포란), N,N-디메틸 아세트 아마이드, N,N-디에틸 아세트 아마이드, N,N-디메틸프로피온 아마이드, N,N-디부틸 포름아마이드, N,N-디프로필아세트 아마이드, N,N-디메틸 포름 아마이드, 1-멘틸-2-피롤리디논, 디에틸렌 글리콜, 에틸아세트 아미도 아세레이트, 1-시클로헥실-2-피롤리디논, 글리세린, 에틸-헥실-디-페닐포스페이트와 이들의 혼합물로부터 선택된 매체로 구성된 분산액을 함유하고, 상기 분산액이 분산매체에 의해 용이되는 약 5-25중량%의 패칭 과플루오로탄소를 포함하는 패칭 화합물.
  9. 제8항에 있어서, 온도가 약 125-280℃인 화합물.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019820004913A 1981-11-06 1982-11-01 양이온 교환막의 보수방법 KR840002471A (ko)

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DK493782A (da) 1983-05-07
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IL67183A0 (en) 1983-03-31
ZA828098B (en) 1983-09-28
EP0079218A1 (en) 1983-05-18
NO823690L (no) 1983-05-09
FI823797L (fi) 1983-05-07
JPS5887286A (ja) 1983-05-25
FI823797A0 (fi) 1982-11-05

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