KR960703965A - 이질성 촉매를 사용하는 시클릭 에테르의 중합 및 해중합 방법(Polymerization and Depolymerization of Cyclic Ethers Using Heterogeneous Catalysts) - Google Patents

이질성 촉매를 사용하는 시클릭 에테르의 중합 및 해중합 방법(Polymerization and Depolymerization of Cyclic Ethers Using Heterogeneous Catalysts) Download PDF

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KR960703965A
KR960703965A KR1019960700181A KR19960700181A KR960703965A KR 960703965 A KR960703965 A KR 960703965A KR 1019960700181 A KR1019960700181 A KR 1019960700181A KR 19960700181 A KR19960700181 A KR 19960700181A KR 960703965 A KR960703965 A KR 960703965A
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acid
scandium
yttrium
zirconium
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네빌 에버톤 드리스데일
노만 헤론
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미리암 디. 메코너헤어
이.아이. 듀폰 디 네모아 앤드 캄파니
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Abstract

시클릭 에테르의 중합 반응은 선택된 촉진에의 존재 하에서 촉매로서 특정 금속 양이온을 함유하는 제올라이트 또는 고체 지지체에 부착된 선택된 금속 퍼플루 오로알킬술포네이트를 사용하여 수행된다. 생성된 폴리에테르는 단량체, 응집제, 윤활제 등으로서 유용하다. 폴리테트라히드로푸란은 촉매로서 고체 지지체에 부착된 선택된 금속 퍼플루오로알킬술포네이트를 사용하여 테트라히드로푸란으로 해중합된다.

Description

이질성 촉매를 사용하는 시클릭 에테르의 중합 및 해중합 방법(Polymerization and Depolymerization of Cyclic Ethers Using Heterogeneous Catalysts)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (23)

1종 이상의 옥세탄, 테트라히드로푸란, 옥세판, 1,3-디옥솔란 또는 1,3,5-트리옥산을 스트론튬, 바륨, 스칸듐, 이트륨, 회토류 금속, 티탄, 지르코늄, 하프늄, 바나듐, 니오븀, 크롬, 몰리브덴, 탄탈, 텅스텐, 레늄, 철 루테늄, 오스뮴, 로듐, 이리듐, 팔라듐, 구리, 백금, 은, 금, 아연, 카드뮴, 수은, 알루미늄, 갈륨, 인듐, 툴륨, 게르마늄, 주석, 납, 비소, 안티몬 및 비스무트로 이루어진 군 중에서 선택된 금속 양이온을 함유하는 제올라인트, 및 물 중에서의 pKa가 약 6미만인 카르복실산 무수물, 아실 할로겐화물 및 카르복실산으로 이루어지는 군 중에서 선택된 촉진제와 접촉시키는 것을 포함하는 시클릭 에테르의 중합방법.
제 1항에 있어서, 상기 시클릭 에테르가 1종 이상의 테트라히드로푸란, 옥세판, 1,3-디옥솔란 또는 1,3,5-트리옥산인 방법.
제 2항에 있어서, 상기 시클릭 에테르가 하기 구조의 화합물로 이루어지는 것인 방법.
상기 식에서, n은 2 또는 4이고, R1,R2,R3및 R4는 각각 독립적으로 수소이거나 또는 탄소 원자수 1 내지 20의 히드로카르빌이다.
제 3항에 있어서, R1,R2,R3및 R4는 모두 수소인 방법.
제 3항에 있어서, n은 2이고, R1,R2중 1개, R3중 2개 및 R4는 수소이며, 나머지 R2는 탄소 원자수 1 내지 4의 알킬인 방법.
제 1항에 있어서, 상기 금속 양이온은 스트론튬, 스칸듐, 이트륨, 회토류 금속, 티탄, 지르코늄, 하프늄, 바나듐, 니오븀, 탄탈, 크롬, 몰리브덴, 텅스텐, 레늄, 철, 루테늄, 팔라듐, 구리, 금, 아연, 주석 또는 비스무트인 방법.
제 6항에 있어서, 상기 금속 양이온은 이트륨, 이테르븀, 디스프로줌, 에르븀, 네오디뮴, 란탄, 미세메탈, 스칸듐 또는 지르코늄인 방법.
제 1항에 있어서, 상기 촉진제는 물 중에서의 pKa가 약 6이하인 카르복실산인 방법.
제 8항에 있어서, 상기 카르복실산은 포름산, 아세트산, 트리플루오로아세트산, 아크릴산, 메타크릴산, 시아노아세트산, 니트로프로피온산 및 니트로벤조산으로 이루어지는 군 중에서 선택되는 것인 방법.
1종 이상의 옥시란, 옥세탄, 테트라히드로푸란, 옥세판, 1,3-디옥솔란 또는 1,3,5-트리옥산을 표면에 금속 퍼플루오로알킬술포네이트(여기서, 금속은 스트론튬, 바륨, 스칸듐, 이트륨, 회토류 금속, 티탄, 지르코늄, 하프늄, 크롬, 몰리브덴, 탄탈, 레늄, 철, 루테늄, 오스뮴, 로듐, 이리듐, 팔라듐, 백금, 은, 금, 아연, 라듐, 구리, 백금, 은 금, 아연, 카드뮴, 수은, 알루미늄, 갈륨, 인듐, 툴륨, 게르마늄, 주석, 납, 비소, 안티몬 및 비스무트로 이루어진 군 중에서 선택된다)가 부착되어 있는 이질성 촉매, 및 물 중에서의 pKa가 약 6미만인 카르복실산 무수물, 아실 할로겐화물 및 카르복실산으로 이루어지는 군 중에서 선택된 촉진제와 접촉시키는 것을 포함하는 시클릭 에테르의 중합방법.
제10항에 있어서, 상기 시클릭 에테르가 1종 이상의 테트라히드로푸란, 옥세판, 1,3-디옥솔란 또는 1,3,5-트리옥산인 방법.
제11항에 있어서, 상기 시클릭 에테르가 하기 구조의 화합물로 이루어지는 것인 방법.
상기 식에서, n은 2 또는 4이고, R1,R2,R3및 R4는 각각 독립적으로 수소이거나 또는 탄소 원자수 1 내지 20의 히드로카르빌이다.
제12항에 있어서, R1,R2,R3및 R4는 모두 수소인 방법.
제12항에 있어서, n은 2이고, R1,R2중 1개, R3중 2개 및 R4는 수소이며, 나머지 R2는 탄소 원자수 1 내지 4의 알킬인 방법.
제10항에 있어서, 상기 금속 양이온은 스트론튬, 스칸듐, 이트륨, 회토류 금속, 티탄, 지르코늄, 하프늄, 바나듐, 니오븀, 탄탈, 크롬, 몰리브덴, 텅스텐, 레늄, 철, 루테늄, 팔라듐, 구리, 금, 아연, 주석 또는 비스무트인 방법.
제15항에 있어서, 상기 금속 양이온은 이트륨, 이테르븀, 디스프로줌, 에르븀, 네오디뮴, 란탄, 미세메탈, 스칸듐 또는 지르코늄인 방법.
제10항에 있어서, 상기 촉진제는 물 중에서의 pKa가 약 6이하인 카르복실산인 방법.
제10항에 있어서, 상기 이질성 촉매 지지체는 알루미나, 실리카, 실리카-알루미네이트, 탄소 또는 지르코니아인 방법.
약 100℃ 내지 약 250℃의 온도에서 하기 구조의 반복 단위 1개 이상을 주성분으로 하는 중합체를 표면에 금속 퍼플루오로알킬술포네이트(여기서, 금속은 스트론튬, 바륨, 스칸듐, 이트륨, 회토류 금속, 티탄, 지르코늄, 하프늄, 크롬, 몰리브덴, 탄탈, 레늄, 철, 루테늄, 오스뮴, 로듐, 이리듐, 팔라듐, 백금, 은, 금, 아연, 카드뮴, 수은, 알루미늄, 갈륨, 인듐, 툴륨, 게르마늄, 주석, 납, 비소, 안티몬 및 비스무트로 이루어진 군 중에서 선택된다)가 부착되어 있는 이질성 촉매와 접촉시키는 것을 포함하는, 폴리에테르를 테트라히드로푸란으로 해중합시키는 방법.
-[CHR1CR2R3CR2R3CHR4O]-
상기 식에서, R1,R2,R3및 R4는 각각 독립적으로 수소이거나 또는 탄소 원자수 1 내지 20의 히드로카르빌이다.
제19항에 있어서, R1,R2중 1개, R3중 2개 및 R4는 수소이며, 나머지 R2는 탄소 원자수 1 내지 4의 알킬인 방법.
제19항에 있어서, 상기 금속 양이온은 스트론튬, 스칸듐, 이트륨, 회토류 금속, 티탄, 지르코늄, 하프늄, 바나듐, 니오븀, 탄탈, 크롬, 몰리브덴, 텅스텐, 레늄, 철, 루테늄, 팔라듐, 구리, 금, 아연, 주석 또는 비스무트인 방법.
제19항에 있어서, R1,R2,R3및 R4는 모두 수소인 방법.
제19항에 있어서, 상기 이질성 촉매 지지체는 알루미나, 실리카, 실리카-알루미네이트, 탄소 또는 지르코니아인 방법.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960700181A 1993-07-16 1994-07-14 비균질촉매를사용하는시클릭에테르의중합방법 KR100323176B1 (ko)

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