KR950016876A - 1,1,1,2-테트라플루오로에탄 합성용 불소화 촉매의 제조방법 - Google Patents

1,1,1,2-테트라플루오로에탄 합성용 불소화 촉매의 제조방법 Download PDF

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Publication number
KR950016876A
KR950016876A KR1019930027091A KR930027091A KR950016876A KR 950016876 A KR950016876 A KR 950016876A KR 1019930027091 A KR1019930027091 A KR 1019930027091A KR 930027091 A KR930027091 A KR 930027091A KR 950016876 A KR950016876 A KR 950016876A
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South Korea
Prior art keywords
chloride
producing
tetrafluoroethane
catalyst
metal salt
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KR1019930027091A
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English (en)
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KR960016683B1 (en
Inventor
김훈식
이병권
김홍곤
박건유
Original Assignee
김은영
한국과학기술연구원
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Priority to KR93027091A priority Critical patent/KR960016683B1/ko
Priority to US08/302,636 priority patent/US5500400A/en
Publication of KR950016876A publication Critical patent/KR950016876A/ko
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Publication of KR960016683B1 publication Critical patent/KR960016683B1/ko

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    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/22—Halogenating
    • B01J37/26—Fluorinating
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/06—Halogens; Compounds thereof
    • B01J27/08—Halides
    • B01J27/12—Fluorides
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/06—Halogens; Compounds thereof
    • B01J27/132—Halogens; Compounds thereof with chromium, molybdenum, tungsten or polonium
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/06—Halogens; Compounds thereof
    • B01J27/138—Halogens; Compounds thereof with alkaline earth metals, magnesium, beryllium, zinc, cadmium or mercury
    • 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)
  • Catalysts (AREA)

Abstract

본 발명은 1, 1, 1－트리플루오로－2－클로로에탄(CF3CH2Cl, HCFC－133a)과 불화수소(HF)로부터 1,1,1,2－테트라플루오로에탄 (CF3CH2F, HCFC－134a)을 제조하는 반응에 효과적인 촉매 및 그것의 제조방법에 관한 것이다. 더욱 자세하게는 수산화크롬(Cr(OH)3·H2O)을 염화마그네슘 혹은 염화칼슘 및 금속염의 수용액과 함께 혼합한 후 이 혼합물을 HF와 반응시켜 얻어지는 반죽(paste)을 소성함으로써 얻어지는, CraMgbMcOxFy또는 CraCabMcOxF(M=Ce,Ni,Zn 또는 Al, O＜a,b,c,x,y＜2)의 조성으로 이루어지는 HFC－134a합성반응용 촉매 및 그것의 제조방법에 관한 것이다.

Description

1,1,1,2－테트라플루오로에탄 합성용 불소화 촉매의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (6)

  1. 산화크롬 수화물과 염화마그네슘 또는 염화칼슘을 중량비로 1:0.3 내지 1:10으로 혼합한 혼합물을 금속염 수용액과 혼합하고, 이 혼합물을 HF수용액과 반응시킨 후, 얻어진 반죽(paste)을 소성하는 것으로 이루어지는 1,1,1,2－테트라플루오로에탄 제조용 촉매의 제조방법.
  2. 제1항에 있어서, Cr:Mg 또는 Ca의 중량비가 1:1 내지 1:4인 제조방법.
  3. 제1항에 있어서, 상기 금속염이 염화세륨, 염화아염, 염화니켈 및 염화알루미늄으로 구성되는 군으로부터 선택되는 제조방법.
  4. 제1항에 있어서, 상기 금속염이 Cr에 대해 5중량%인 제조방법.
  5. 제1항에 있어서, 상기 HF수용액이 30－50% HF수용액인 제조방법.
  6. 제1항의 방법에 의해 제조되며, CraMgbMcOxFy또는 CraCabMcOxF(M=Ce,Ni,Zn 또는 Al, O＜a,b,c,x,y＜2)의 조성으로 이루어지는 1,1,1,2－테트라플로오로에탄 (HFC－134a) 제조용 촉매.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR93027091A 1993-12-09 1993-12-09 Method of producing fluorization catalyst for preparing 1,1,1,2-tetrafluoroethane KR960016683B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR93027091A KR960016683B1 (en) 1993-12-09 1993-12-09 Method of producing fluorization catalyst for preparing 1,1,1,2-tetrafluoroethane
US08/302,636 US5500400A (en) 1993-12-09 1994-09-08 Catalyst for producing 1,1,1,2-tetrafluoroethane and method for preparing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR93027091A KR960016683B1 (en) 1993-12-09 1993-12-09 Method of producing fluorization catalyst for preparing 1,1,1,2-tetrafluoroethane

Publications (2)

Publication Number Publication Date
KR950016876A true KR950016876A (ko) 1995-07-20
KR960016683B1 KR960016683B1 (en) 1996-12-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR93027091A KR960016683B1 (en) 1993-12-09 1993-12-09 Method of producing fluorization catalyst for preparing 1,1,1,2-tetrafluoroethane

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US (1) US5500400A (ko)
KR (1) KR960016683B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118122310A (zh) * 2024-05-07 2024-06-04 黄山熠能科技有限公司 一种1,1-二氟乙烷裂解制备氟乙烯的催化剂的制备方法及应用

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* Cited by examiner, † Cited by third party
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US5849658A (en) * 1991-05-24 1998-12-15 Daikin Industries Ltd. Method for preparing fluorination catalyst used to fluorinate halogenated hydrocarbons
KR0152580B1 (ko) * 1995-08-23 1998-10-15 김은영 1,1,1,2-테트라플루오로에탄, 펜타플루오로에탄 및 1,1,1-트리플루오로에탄의 병산 방법
KR100215542B1 (ko) * 1996-04-23 1999-08-16 박원훈 1,1,1,2-테트라플루오로에탄과 펜타플루오로에탄의 병산방법
CN100372607C (zh) * 2004-12-23 2008-03-05 西安近代化学研究所 氟化催化剂及其制造方法和用途
US7232789B2 (en) * 2005-09-23 2007-06-19 Ulsan Chemical Co., Ltd. Catalyst for preparation of pentafluoroethane and preparation method thereof
CN108057435B (zh) * 2017-11-10 2020-07-07 乳源东阳光氟有限公司 一种气相氟化催化剂的制备方法

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US4036946A (en) * 1975-10-20 1977-07-19 Marcos Kleinerman Immunofluorometric method for measuring minute quantities of antigens, antibodies and other substances
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118122310A (zh) * 2024-05-07 2024-06-04 黄山熠能科技有限公司 一种1,1-二氟乙烷裂解制备氟乙烯的催化剂的制备方法及应用

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US5500400A (en) 1996-03-19

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