KR970069959A - 1, 1, 1, 2-테트라플루오로에탄과 펜타플루오로에탄의 병산방법 - Google Patents

1, 1, 1, 2-테트라플루오로에탄과 펜타플루오로에탄의 병산방법 Download PDF

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Publication number
KR970069959A
KR970069959A KR1019960012394A KR19960012394A KR970069959A KR 970069959 A KR970069959 A KR 970069959A KR 1019960012394 A KR1019960012394 A KR 1019960012394A KR 19960012394 A KR19960012394 A KR 19960012394A KR 970069959 A KR970069959 A KR 970069959A
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South Korea
Prior art keywords
hfc
step reaction
chlorine
tetrafluoroethane
fluoride
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KR1019960012394A
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English (en)
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KR100215542B1 (ko
Inventor
이병권
김훈식
김홍곤
이상득
정문조
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박원훈
한국과학기술연구원
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Priority to KR1019960012394A priority Critical patent/KR100215542B1/ko
Priority to US08/708,466 priority patent/US5723700A/en
Publication of KR970069959A publication Critical patent/KR970069959A/ko
Application granted granted Critical
Publication of KR100215542B1 publication Critical patent/KR100215542B1/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
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/21—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms with simultaneous increase of the number of halogen atoms

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

Abstract

본원발명은 제1단계 반응에서 1,1,1-트리플루오로-2-클로로에탄과 불화수소와 염소를 반응시켜 HFC-134a와 HFC-125를 함께 제조하고, 제2단계 반응에서 제1단계 반응생성물에 트리클로로에틸렌을 첨가하여 HFC-133a를 제조한 다음, 제2단계 반응생성물에서 HFC-134a와 HFC-125 및 염화수소를 분리하고, 그 나머지 혼합물을 상기 제1단계 반응으로 순환시키는 것으로 이루어지는 HFC-134a와 HFC-125를 동시에 제조하는 방법에 관한 것이다.

Description

1,1,1,2-테트라플루오로에탄과 펜타플루오로에탄의 병산방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (2)

  1. 제1단계 반응에서 1,1,1-트리플루오로-2-클로로에탄(HCFC-133a)과 불화수소와 염소를 불소화 촉매 존재하에서 반응시켜 1,1,1,2-테트라플루오로에탄(HFC-134a)와 펜타플루오로에탄(HFC-125)를 함께 제조하고, 제2단계 반응에서 제1단계 반응생성물에 트리클로로에틸렌을 첨가하여 HFC-133a를 제조한 다음, HFC-134a와 HFC-125 및 염화수소를 분리하고, 그 나머지 혼합물을 상기 제1단계 반응으로 순환시키는 것으로 이루어지며, 상기 염소의 양이 염소/HCFC-133a의 몰비로 0.001~0.05인, HFC-134a와 HFC-125를 동시에 제조하는 방법.
  2. 제1항에 있어서, 상기 불소화 촉매가 산화불화크롬과 불화 마그네슘 주성분으로 하는 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960012394A 1996-04-23 1996-04-23 1,1,1,2-테트라플루오로에탄과 펜타플루오로에탄의 병산방법 KR100215542B1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019960012394A KR100215542B1 (ko) 1996-04-23 1996-04-23 1,1,1,2-테트라플루오로에탄과 펜타플루오로에탄의 병산방법
US08/708,466 US5723700A (en) 1996-04-23 1996-09-05 Method for concurrently producing 1,1,1,2-tetrafluoroethane and pentafluoroethane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960012394A KR100215542B1 (ko) 1996-04-23 1996-04-23 1,1,1,2-테트라플루오로에탄과 펜타플루오로에탄의 병산방법

Publications (2)

Publication Number Publication Date
KR970069959A true KR970069959A (ko) 1997-11-07
KR100215542B1 KR100215542B1 (ko) 1999-08-16

Family

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KR1019960012394A KR100215542B1 (ko) 1996-04-23 1996-04-23 1,1,1,2-테트라플루오로에탄과 펜타플루오로에탄의 병산방법

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US (1) US5723700A (ko)
KR (1) KR100215542B1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2805534B1 (fr) * 2000-02-29 2002-05-17 Atofina Procede de preparation du 1,1,1-trifluoro-2,2-dichloroethane
FR2828193B1 (fr) 2001-08-03 2004-04-02 Atofina Nouveau procede de preparation du 1,1,1,-trifluoro-2,2-dichloroethane
US20070032688A1 (en) * 2002-08-02 2007-02-08 Beatrice Boussand Process for preparing 1,1,1-trifluoro-2, 2-dichloroethane
CN100338001C (zh) * 2004-11-17 2007-09-19 浙江莹光化工有限公司 一种同时制备1,1,1,2－四氟乙烷和五氟乙烷的方法
CN102698779B (zh) * 2012-06-15 2013-11-06 浙江师范大学 用于联产hcfc-123、hcfc-124和hfc-125的催化剂及制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3157707A (en) * 1961-02-20 1964-11-17 Union Carbide Corp Method of reacting tetrachloroethylene, chlorine and hydrogen fluoride
US5243107A (en) * 1990-03-29 1993-09-07 Imperial Chemical Industries Plc Chemical process
EP0513823B1 (de) * 1991-05-17 1995-10-04 Hoechst Aktiengesellschaft Verfahren zur Herstellung von Pentafluorethan (R 125)
GB9311742D0 (en) * 1992-06-10 1993-07-21 Ici Plc Production of hydrofluoroalkanes
US5258561A (en) * 1992-11-06 1993-11-02 E. I. Du Pont De Nemours And Company Catalytic chlorofluorination process for producing CF3 CHClF and CF3 CHF2
KR960016683B1 (en) * 1993-12-09 1996-12-20 Korea Inst Sci & Tech Method of producing fluorization catalyst for preparing 1,1,1,2-tetrafluoroethane

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US5723700A (en) 1998-03-03
KR100215542B1 (ko) 1999-08-16

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