KR950005784A - 펜타플루오로에탄의 제조방법 - Google Patents

펜타플루오로에탄의 제조방법 Download PDF

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KR950005784A
KR950005784A KR1019940019966A KR19940019966A KR950005784A KR 950005784 A KR950005784 A KR 950005784A KR 1019940019966 A KR1019940019966 A KR 1019940019966A KR 19940019966 A KR19940019966 A KR 19940019966A KR 950005784 A KR950005784 A KR 950005784A
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South Korea
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catalyst
process according
hcfc
alf
hfc
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KR1019940019966A
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KR100360046B1 (ko
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쿠차토 파올로
마시에로 안토니오
리날디 프란체스코
Original Assignee
카를로 콜리아티
오시몬트 에스.피.에이.
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/26—Chromium
    • 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

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

Abstract

예비 성형된 AlF3상에 지지된 Cr203로 구성된 촉매의 존재하에 310℃ 내지 380℃범위의 온도에서 1,1,1-트리플루오로디클로로에탄(HCFC-123)을 HF와 반응시킴을 특징으로 하는 펜타플루오로에탄(HFC-125)의 제조방법. 이 방법에 의해, HFC-125를 높은 수율(60~70%이상), 높은 전환율(80% 이상) 및 높은 선택성{즉, 매우 적은 양(5몰% 이하)의 부산물 형성}으로 수득할 수 있다. 또한 촉매는 높은 유기 충진시에도 장시간 동안 높은 활성을 유지한다.

Description

펜타플루오로에탄의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (7)

  1. 예비 성형된 AlF3상에 지지된 Cr203로 구성된 촉매의 존재하에 310℃ 내지 380℃범위의 온도에서 1,1,1-트리플루오로디클로로에탄(HCFC-123)을 HF와 반응시킴을 특징으로 하는 펜타플루오로에탄(HFC-125)의 제조방법.
  2. 제 1항에 있어서, 반응 온도가 320℃ 내지 350℃의 범위인 방법.
  3. 제 1항 또는 제 2항에 있어서, 공급된 HF와 HCFC-123간의 몰비가 1/1 내지 10/1인 방법.
  4. 제 1항 또는 제 2항에 있어서, 반응물과 촉매와의 접촉시간이 1 내지 20초인 방법.
  5. 제 1항 또는 제 2항에 있어서, 촉매에 존재하는 Cr203의 양이 촉매 총 중량에 대한 Cr양으로 계산하여 1 내지 15중량%인 방법.
  6. 제 1항 또는 제 2항에 있어서, 촉매가 하기 방법에 따라 제조되는 방법; ⒜ 수용성 Cr(Ⅲ)염의 수용액중에 AlF3를 수침시키고; ⒝ 건조시키고; ⒞ 200℃ 내지 600℃에서 임의로 증기의 존재하게 공기 또는 질소에 의해 촉매를 확성화시킨다.
  7. 제 1항 또는 제 2항에 있어서, 유동층 반응기내에서 수행되는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940019966A 1993-08-13 1994-08-12 펜타플루오로에탄의제조방법 KR100360046B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI931828A IT1270959B (it) 1993-08-13 1993-08-13 Processo per la preparazione di pentafluoroetano
ITMI93A001828 1993-08-13

Publications (2)

Publication Number Publication Date
KR950005784A true KR950005784A (ko) 1995-03-20
KR100360046B1 KR100360046B1 (ko) 2003-04-23

Family

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Application Number Title Priority Date Filing Date
KR1019940019966A KR100360046B1 (ko) 1993-08-13 1994-08-12 펜타플루오로에탄의제조방법

Country Status (8)

Country Link
US (1) US6232514B1 (ko)
EP (1) EP0638535B1 (ko)
JP (1) JP3600275B2 (ko)
KR (1) KR100360046B1 (ko)
AT (1) ATE162509T1 (ko)
DE (1) DE69408054T2 (ko)
ES (1) ES2111218T3 (ko)
IT (1) IT1270959B (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1120827C (zh) * 1999-03-30 2003-09-10 郭荔 同时生产五氟乙烷与四氟氯乙烷的方法
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
US7623264B2 (en) * 2006-02-17 2009-11-24 Case Robert M Method for colorizing a digital halftone
US7638659B2 (en) * 2007-04-18 2009-12-29 International Isotopes, Inc. Processes for producing chlorofluorocarbon compounds using inorganic fluoride
US7645912B2 (en) * 2007-04-18 2010-01-12 International Isotopes, Inc. Processes for producing hydrofluorocarbon compounds using inorganic fluoride
US7745673B2 (en) * 2007-09-04 2010-06-29 International Isotopes Inc. Processes for producing hydrohalocarbon and halocarbon compounds using silicon tetrafluoride

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258500A (en) 1959-08-17 1966-06-28 Du Pont Process for fluorinating halohydro-carbons
GB1307224A (en) 1969-06-27 1973-02-14 Ici Ltd Chromium oxide catalyst
IT1202652B (it) * 1987-03-09 1989-02-09 Ausimont Spa Processo per la preparazione di 1,1,1-trifluoro-2,2-dicloroetano mediante idrofluorurazione in presenza di catalizzatori
US4766620A (en) 1987-07-27 1988-08-30 Boyhan Arlene P Small child's hair washing device
US4843181A (en) * 1987-10-22 1989-06-27 E. I. Du Pont De Nemours And Company Process for the manufacture of 1,1,1-trifluorodichloroethane and 1,1,1,2-tetrafluorochloroethane
IN171977B (ko) * 1988-06-29 1993-02-27 Du Pont
IT1230779B (it) * 1989-07-12 1991-10-29 Ausimont Srl Procedimento per preparare 1,1,1,2 tetrafluoroetano.
WO1992019576A1 (en) * 1991-05-06 1992-11-12 E.I. Du Pont De Nemours And Company Process for the manufacture of pentafluoroethane
EP0513823B1 (de) * 1991-05-17 1995-10-04 Hoechst Aktiengesellschaft Verfahren zur Herstellung von Pentafluorethan (R 125)
FR2700770B1 (fr) * 1993-01-27 1995-03-24 Atochem Elf Sa Procédé de fabrication du 1,1,1,2-tétrafluoro-2-chloroéthane et du pentafluoroéthane.

Also Published As

Publication number Publication date
ITMI931828A0 (it) 1993-08-13
DE69408054T2 (de) 1998-05-07
KR100360046B1 (ko) 2003-04-23
JPH0776534A (ja) 1995-03-20
ITMI931828A1 (it) 1995-02-13
ATE162509T1 (de) 1998-02-15
US6232514B1 (en) 2001-05-15
DE69408054D1 (de) 1998-02-26
EP0638535B1 (en) 1998-01-21
ES2111218T3 (es) 1998-03-01
JP3600275B2 (ja) 2004-12-15
EP0638535A1 (en) 1995-02-15
IT1270959B (it) 1997-05-26

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