KR950704398A - 선택된 금속 화합물 촉매를 이용한 시클릭 에테르의 중합 및 해중합(Polymerization of, and Depolymerization to, Cyclic Ethers Using Selected Metal Compound Catalysts) - Google Patents

선택된 금속 화합물 촉매를 이용한 시클릭 에테르의 중합 및 해중합(Polymerization of, and Depolymerization to, Cyclic Ethers Using Selected Metal Compound Catalysts)

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KR950704398A
KR950704398A KR1019950701508A KR19950701508A KR950704398A KR 950704398 A KR950704398 A KR 950704398A KR 1019950701508 A KR1019950701508 A KR 1019950701508A KR 19950701508 A KR19950701508 A KR 19950701508A KR 950704398 A KR950704398 A KR 950704398A
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hydrogen
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gold
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rhenium
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네빌 에버톤 드리스데일
리차드 에드먼드 보크레트
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미리암 디, 메코너헤이
이.아이.듀폰 디 네모아 앤드 캄파니
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Abstract

본 발명은, 옥시란, 옥세탄, 옥세판, 디옥솔란, 트리옥산, 및 테트라히드로퓨란을 선택된 금속 화합물과 접촉시킴으로써 각각의 중합체로 중합시키는 방법에 관한 것이다. 본 발명은 또한 폴리테트라히드로퓨란을 약 100℃내지 약 250℃의 온도에서 선택된 금속 화합물과 접촉시킴으로써 테트라히드로퓨란 단량체로 해중합시키는 방법에 관한 것이다.

Description

선택된 금속 화합물 촉매를 이용한 시클릭 에테르의 중합 및 해중합 (Polymerization of, and Depolymerization to, Cyclic Ethers Using Selected Metal Compound Catalysts)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (20)

  1. 하나 이상의 옥시란, 옥세탄, 테트라히드로퓨란, 옥세판, 1,3-디옥슬란 또는 1,3,5-트리옥산을 일반식이 MZs·Qt인 화합물, 및 물 중에서의 pKa가 6이하인 카르복실산, 카르복실산 무수물 및 아실 할라이드로 구성된 군 중에서 선택된 가속제와 접촉시킴으로써 시클릭 에테르를 중합시키는 방법.
    (상기식에서, M은 코발트, 비나듐, 비오븀, 텅스텐, 스트론튬, 바륨, 스칸듐, 이트륨, 회토류 금속들, 티타늄, 지르코늄, 하프늄, 크로윰, 몰리브데늄, 탄탈륨, 레늄, 철, 루테늄, 오스뮴, 로듐, 이리듐, 팔라듐, 백금, 은, 금, 아연, 카드륨, 수은, 알루미늄, 갈륨, 인듐, 툴륨, 게르마늄, 주석, 납, 비소, 안티몬 및 비스무트로 구성된 군 중에서 선택된 금속이고; Z중에서 적어도 하나는 일반식 -OS02R5인 음이온(여기에서, R5는 1 내지 12개의 탄소 원자를 가지는 퍼플로로알킬 또는 설포네이트기에 대하여 알파 및 베타 위치에서 있는 탄소 원자가 함께 적어도 4개의 불소 원자에 결합되어 있는 불소화된 중합체의 일부분이다.), 또는 테트라페닐보레이트이고, 나머지의 Z는 옥소 또는 하나 이상의 1가 음이온이며; M이 스트론튬, 바륨, 코발트, 로듐, 이리듐, 팔라듐, 백금, 크로뮴, 아연, 카드뮴 또는 수은 일 때 s는 2이고; M이 스칸튬, 이트륨, 희토류 금속, 비소, 안티몬, 비스무트, 금, 철, 루테늄, 오스뮴, 알루미늄, 갈륨, 인듐, 또는 툴륨일 때 s는 3이며; M이 티타늄, 지르코늄, 하프늄, 몰리브데늄, 게르마늄, 주석, 또는 납일때 s는 4이고; M이 레늄, 바나듐, 니오븀 또는 탄탈륨일 때 s는 -5이며; M이 텅스텐일 때 s는 6이고; Q는 중성 리간드이며; t는 0 또는 1 내지 6의 정수이고; Z의 일부로 존재하는 각 옥소기는 s중 2로 계산된다.)
  2. 제1항에 있어서, 상기 시클릭 에테르가 상기 테트라히드로퓨란, 옥세판, 1,3-디옥솔란 또는 1,3,5-트리옥산 중의 하나 이상인 것을 특징으로 하는 방법.
  3. 제2항에 있어서, M이 스트론튬, 바륨, 스칸듐, 이트륨, 희토류 금속들, 티타늄, 지르코늄, 하프늄, 크로뮴, 몰리브데늄, 탄탈륨, 레늄, 철, 루테늄, 오스뮴, 로듐, 이리듐, 팔라듐, 려금, 은, 금, 아연, 카드뮴, 수은, 게르마늄, 주석, 납, 비소, 안티몬 및 비스무트로 구성된 군 중에서 선택된 금속인 것을 특징으로 하는 방법.
  4. 제3항에 있어서, 상기 시클릭 에테르가 다음의 구조식을 가지는 것을 특징으로 하는 방법.
    상기식에서, R1, R2, R3및 R4는 각각 독립적으로 수소 또는 1 내지 20개의 탄소 원자를 가지는 하이드로카빌기이고, n은 2 또는 4이다.)
  5. 제4항에 있어서, n이 2이고, R1, R4및 모든 R2및 R3가 수소인 것을 특징으로 하는 방법.
  6. 제4항에 있어서, n이 2 이고, R1및 R4는 각각 수소이며, 하나의 R2는 수소이고 다른 하나의 R2는 메틸기이며, R3는 모두 수소인 것을 특징으로 하는 방법.
  7. 제3항에 있어서, R5가 트리플로로메틸기 또는 퍼플로로알킬기인 것을 특징으로 하는 방법.
  8. 제5항에 있어서, M이 스트론튬, 스칸듐, 이트륨, 희토류 금속들, 티타늄, 지르코늄, 하프늄, 바나듐, 니오븀, 탄탈륨, 크로뮴, 몰리브데늄, 텅스텐, 레늄, 철, 루테늄, 팔라듐, 구리, 금, 아연, 주석, 비스무트 또는 미쉬메틸인 것을 특징으로 하는 방법.
  9. 제1항에 있어서, 반응이 약 -8O℃ 내지 약 130℃트의 온도에서 수행되는 것을 특징으로 하는 방법.
  10. 제1항에 있어서, 상기 카르복실산이 트리플로로아세트산, 포름산, 아세트산, 시아노아세트산, 니트로프로피온산, 아크릴산, 메타크릴산, N-아세틸글리신 또는 N-아세틸트립토판인 것을 특징으로 하는 방법.
  11. 제1항에 있어서, 상기 카르복실산 무수물이 아세트산 무수물 또는 트리플로로아세트산 무수물인 것을 특징으로 하는 방법.
  12. 필수적으로 하나 이상의 일반식
    -[CHR1CR2R3CR2R3CHR4O]-
    의 반복 단위로 이루어지는 중합체를 약 100℃ 내지 약 250℃의 온도에서 일반식이 MZs·Qt인 화합물과 접촉시킴으로써 폴리에테르를 테트라히드로퓨란으로 해중합하는 방법.
    (상기 식에서, R1, R2, R3 및 R4는 각각 독립적으로 수소 또는 1 내지 20개의 탄소 원자를 가지고 하이드로카빌이고; M은 코발트, 바나듐, 니오븀, 텅스텐, 스트론튬, 바륨, 스칸듐, 이트륨, 희토류 금속들, 티타늄, 지르코늄, 하프늄, 크로뮴, 몰리브데늄, 탄탈륨, 레늄, 철, 루테늄, 오스뮴, 로듐, 이리듐, 팔라듐, 백금, 은, 금, 아연, 카드뮴, 수은, 알류미늄, 갈륨, 인듐, 툴륨, 실리콘, 게르마늄, 주석, 납, 비소, 안티몬 및 비스무트로 구성된 군 중에서 선택된 금속이며; Z중에서 적어도 하나는 일반식이 -OS02R5인 음이온(여기에서, R5는 1 내지 12개의 탄소 원자를 가지는 퍼플로로알킬 또는 설포네이트기에 대하여 알파 및 베타 위치에 있는 탄소 원자가 함께 적어도 4개의 불소 원자에 결합되어 있는 불소화된 중합체의 일부분이다.) 또는 테트라페닐보레이트이고, 나머지의 Z는 옥소 또는 하나 이상의 1가 음이온이고; M이 스트론튬, 바륨, 코발트, 로듐, 이리듐, 팔라듐, 백금, 크로뮴, 아연, 카드뮴 또는 수은일 때 s는 2이며; M이 스칸듐, 이트륨, 희토류 금속 비소, 안티몬, 비스무트, 금, 철, 루테늄, 오스뮴, 알루미늄, 갈륨, 인듐 또는 툴륨일 때 s는 3이고; M이 티타늄, 지르코늄, 하프늄, 몰리브데늄, 실리콘, 게르마늄, 주석, 또는 납일 때 s는 4이며; M이 레늄, 바나듐, 니오뮴 또는 탄탈륨일 때 s는 5이고; M이 텅스텐일 때 s는 6이며; Q는 중성 리간드이고; t는 0또는 1 내지 6의 정수이며; Z의 일부로서 존재하는 각옥소기는 s중 2로 계산된다.)
  13. 제12항에 있어서, R1및 R4가 각각 수소이고 모든 R2및 R3가 수소인 것을 특징으로 하는 방법.
  14. 제12항에 있어서, R1및 R4는 각각 수소이고, 하나의 R2는 수소이며 다른 하나의 R2는 메틸기이고, R3는 모두 수소인 것을 특징으로 하는 방법.
  15. 제12항에 있어서, R5가 트리플로로메틸기인 것을 특징으로 하는 방법.
  16. 제12항에 있어서, 반응이 약 130℃ 내지 약 200℃의 온도에서 수행되는 것을 특징으로 하는 방법.
  17. 제12항에 있어서, 상기 일반식 MZs·Qt의 화합물이 상기 폴리에테르의 약 1 내지 약 2중량%인 것을 특징으로 하는 방법.
  18. 제12항에 있어서, M이 스트론륨, 스칸듐, 이트륨, 희토류 금속들, 티타늄, 지르코늄, 하프늄, 바나듐, 니오븀, 탄탈륨, 크로뮴, 몰리브데늄, 텅스텐, 레늄, 철, 루테늄, 팔라듐, 구리, 금, 아연, 주석, 비스무트 또는 미쉬메탈인 것을 특징으로 하는 방법.
  19. 제1항에 있어서, 모든 Z가 R5가 트리플로로메틸기인 일반식-0S02R5의 음이온인 것을 특징으로 하는 방법.
  20. 제12항에 있어서, 모든 Z가 R5가 트리플로로메틸기인 일반식-OS02R5의 음이온인 것을 특징으로 하는 방법.
    ※ 참고사항 :최초출원 내용에 의하여 공개하는 것임.
KR1019950701508A 1992-10-21 1993-10-20 선택된 금속 화합물 촉매를 이용한 시클릭 에테르의 중합 및 해중합 KR100283272B1 (ko)

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