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KR930007875A - 이성체 1,1,2-트리플루오로-1,2-디클로로에탄으로부터의 1,1,1-트리플루오로-2,2-디클로로에탄의 정제방법 - Google Patents

이성체 1,1,2-트리플루오로-1,2-디클로로에탄으로부터의 1,1,1-트리플루오로-2,2-디클로로에탄의 정제방법 Download PDF

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Publication number
KR930007875A
KR930007875A KR1019920018996A KR920018996A KR930007875A KR 930007875 A KR930007875 A KR 930007875A KR 1019920018996 A KR1019920018996 A KR 1019920018996A KR 920018996 A KR920018996 A KR 920018996A KR 930007875 A KR930007875 A KR 930007875A
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South Korea
Prior art keywords
trifluoro
dichloroethane
chromium oxide
mixture
gas mixture
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KR1019920018996A
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English (en)
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KR100218848B1 (ko
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브라간테 렌탄지오
꾸자토 파올로
마시에로 안토니오
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카롤로 코글리아티
오시몬트 에스. 피. 에이.
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Publication of KR930007875A publication Critical patent/KR930007875A/ko
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00—Acyclic saturated compounds containing halogen atoms
    • C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C07C17/389—Separation; Purification; Stabilisation; Use of additives by adsorption on solids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C07C17/395—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification of at least one compound

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

1,1,1-트리플루오로-2,2-디클로로에탄과 1,1,2-트리플루오로-1,2-디클로로에탄을 함유하는 기체 혼합물을 그 자체이거나 담지시킨 산화크롬과 180 내지 400℃의 온도범위내에서 접촉시켜 전자로부터 후자를 감소시키거나 제거한다.

Description

이성체 1,1,2-트리플루오로-1,2-디클로로에탄으로부터의 1,1,1-트리플루오로-2,2-디클로로에탄의 정제방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (8)

1,1,1-트리플루오로-2,2-디클로로에탄과 1,1,2-트리플루오로-1,2-디클로로에탄의 혼합물로부터 1,1,2-트리플루오로-1,2-디클로로에탄을 감소시키거나 제거하는 방법에서, 이러한 기체 혼합물을 180 내지 400℃의 온도범위에서 산화크롬과 접촉시킴을 특징으로 하는 방법.
1,1,1-트리플루오로-2,2-디클로로에탄과 1,1,2-트리플루오로-1,2-디클로로에탄의 혼합물로부터 1,1,2-트리플루오로-1,2-디클로로에탄올 감소시키거나 제거하는 방법에서, 이러한 기체 혼합물을 180 내지 400℃의 온도범위에서 삼플루오르화 알루미늄상에 담지된 산화크롬과 접촉시킴을 특징으로 하는 방법.
제1항에 있어서, 산화크롬이 결정형태인 방법.
제1항 또는 제3항에 있어서, 온도가 220 내지 320℃ 범위인 방법.
제1항 또는 제3항에 있어서, 1,1,2-트리플루오로-1,2-디클로로에탄 및 1,1,1-트리플루오로-2,2-디클로로에탄의 혼합물이 퍼클로로에틸렌의 히드로플루오르화에 의하여 1,1,1-트리플루오로-2,2-디클로로에탄의 제조시에 얻어지는 반응 기체 혼합물내에 포함되어 있는 것인 방법.
제2항에 있어서, 산화크롬이 결정형태인 방법.
제2항 또는 제6항에 있어서, 온도가 220 내지 320℃ 범위인 방법.
제2항 또는 제6항에 있어서, 1,1,2-트리플루오로-1,2-디클로로에탄 및 1,1,1-트리플루오로-2,2-디클로로에탄의 혼합물이 퍼클로로에틸렌의 히드로플루오르화에 의하여 1,1,1-트리플루오로-2,2-디클로로에탄의 제조시에 얻어지는 반응 기체 혼합물내에 포함되어 있는 것인 방법.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920018996A 1991-10-18 1992-10-15 이성체 1,1,2-트리플루오로-1,2-디클로로에탄으로부터의 1,1,1-트리플로오로2,2-디클로로에탄의 정제 방법 KR100218848B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI912757A IT1251951B (it) 1991-10-18 1991-10-18 Procedimento per purificare 1,1,1-trifluoro-,2,2 dicloroetano dall`isomero 1,1,2-trifluoro-1,2-dicloroetano.
ITMI91A002757 1991-10-18

Publications (2)

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KR930007875A true KR930007875A (ko) 1993-05-20
KR100218848B1 KR100218848B1 (ko) 1999-09-01

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KR1019920018996A KR100218848B1 (ko) 1991-10-18 1992-10-15 이성체 1,1,2-트리플루오로-1,2-디클로로에탄으로부터의 1,1,1-트리플로오로2,2-디클로로에탄의 정제 방법

Country Status (9)

Country Link
US (1) US5414167A (ko)
EP (1) EP0537760B1 (ko)
JP (1) JP3167462B2 (ko)
KR (1) KR100218848B1 (ko)
CA (1) CA2080893C (ko)
DE (1) DE69211282T2 (ko)
ES (1) ES2089338T3 (ko)
GR (1) GR3020161T3 (ko)
IT (1) IT1251951B (ko)

Cited By (1)

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KR20180136482A (ko) * 2016-04-22 2018-12-24 베이징 유지 사이언스 앤드 테크놀로지 컴퍼니 리미티드 1,2-디클로로헥사플루오로시클로펜텐의 제조 방법

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WO1995011875A1 (en) * 1993-10-28 1995-05-04 Alliedsignal Inc. Process for purifying 1,1-dichloro-2,2,2-trifluoroethane and 1-chloro-1,2,2,2-tetrafluoroethane
US5981813A (en) * 1996-05-22 1999-11-09 Ausimont S.P.A. Fluorination process of halogenated organic compounds
CA2263711A1 (en) * 1996-09-10 1998-03-19 Imperial Chemical Industries Plc Fluorination catalyst and process
IT1292007B1 (it) 1997-05-27 1999-01-25 Ausimont Spa Processo per la preparazione di hcfc-123
ITMI991596A1 (it) * 1999-07-20 2001-01-20 Ausimont Spa Processo per purificare pentafluoroetano da cloropentafluoroetano
US7041264B2 (en) 2001-01-15 2006-05-09 Showa Denko K.K. Process for purifying octafluoropropane
EP1502906A1 (en) * 2003-07-31 2005-02-02 Solvay Solexis S.p.A. Process for activation of AIF3 based catalysts and process for isomerising hydrochlorofluorocarbons
GB0507139D0 (en) 2005-04-08 2005-05-18 Ineos Fluor Holdings Ltd Catalyst
US7876263B2 (en) 2009-02-24 2011-01-25 Raytheon Company Asymmetrically thinned active array TR module and antenna architecture

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KR20180136482A (ko) * 2016-04-22 2018-12-24 베이징 유지 사이언스 앤드 테크놀로지 컴퍼니 리미티드 1,2-디클로로헥사플루오로시클로펜텐의 제조 방법

Also Published As

Publication number Publication date
ITMI912757A0 (it) 1991-10-18
KR100218848B1 (ko) 1999-09-01
EP0537760B1 (en) 1996-06-05
JP3167462B2 (ja) 2001-05-21
DE69211282D1 (de) 1996-07-11
DE69211282T2 (de) 1996-11-07
EP0537760A3 (en) 1993-05-12
JPH06128179A (ja) 1994-05-10
ES2089338T3 (es) 1996-10-01
ITMI912757A1 (it) 1993-04-18
US5414167A (en) 1995-05-09
CA2080893C (en) 2002-12-10
EP0537760A2 (en) 1993-04-21
CA2080893A1 (en) 1993-04-19
IT1251951B (it) 1995-05-27
GR3020161T3 (en) 1996-09-30

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