[go: up one dir, main page]

KR920019713A - Method for preparing 1,1,1,2-tetrafluoroethane - Google Patents

Method for preparing 1,1,1,2-tetrafluoroethane Download PDF

Info

Publication number
KR920019713A
KR920019713A KR1019910005448A KR910005448A KR920019713A KR 920019713 A KR920019713 A KR 920019713A KR 1019910005448 A KR1019910005448 A KR 1019910005448A KR 910005448 A KR910005448 A KR 910005448A KR 920019713 A KR920019713 A KR 920019713A
Authority
KR
South Korea
Prior art keywords
reaction zone
trichloroethylene
tetrafluoroethane
trifluoro
chloroethane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
KR1019910005448A
Other languages
Korean (ko)
Other versions
KR0171414B1 (en
Inventor
데이비드 스코트 존
앤 스티븐 라첼
Original Assignee
수잔 제인 젠틀
임페리알 케미칼 인더스트리스 피엘씨
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 수잔 제인 젠틀, 임페리알 케미칼 인더스트리스 피엘씨 filed Critical 수잔 제인 젠틀
Priority to KR1019910005448A priority Critical patent/KR0171414B1/en
Publication of KR920019713A publication Critical patent/KR920019713A/en
Application granted granted Critical
Publication of KR0171414B1 publication Critical patent/KR0171414B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C07C19/00—Acyclic saturated compounds containing halogen atoms
    • C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine

Landscapes

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

Abstract

내용 없음No content

Description

1,1,1,2-테트라플루오로에탄의 제조방법Method for preparing 1,1,1,2-tetrafluoroethane

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (10)

(A) 1,1,1-트리플루오로-2-클로로에탄과 불화수소의 혼합물을 약 280-450℃의 온도의 제1반응 영역내에서 불소화 촉매와 접촉시켜 반응하지 않은 출발물질과 함께 1,1,1,2-테트라플루오로에탄 및 염화수소를 함유한 생성물을 형성시키고, (B) 트리클로로 에틸렌과 함께 단계 (A) 의 총 생성물을 단계(A)의 온도 보다 더 낮은 약 200-400℃온도에서 불소화 촉매가 들어있는 제2반응 영역에 보내 1,1,1-트리플루오로-2-클로로에탄, 염화수소 및 반응하지 않은 트리클로로에틸렌을 함유한 생성물을 형성시키며, (C) 1,1,1-트리플루오로-2-클로로에탄, 반응하지 않은 불화수소 및 트리클로로에틸렌으로부터 1,1,1,2-테트라플루오로에탄과 염화수소를 분리할 수 있도록 단계(B)의 생성물을 처리하고, (D) 단계 (C)에서 얻은 1,1,1-트리플루오로-2-클로로에탄 혼합물을 불화수소와 함께 상기 제1반응 영역(단계 A)에 공급하며, (E) 단계 (C)에서 분리해낸 1,1,1,2-테트라플루오로에탄 및 염화수소로부터 1,1,1,2-테트라플루오로에탄을 회수하는 단계들로 구성된 1,1,1,2-테트라플루오로에탄의 제조방법.(A) A mixture of 1,1,1-trifluoro-2-chloroethane and hydrogen fluoride was contacted with a fluorinated catalyst in a first reaction zone at a temperature of about 280-450 ° C. with unreacted starting material 1 Forming a product containing 1,1,2-tetrafluoroethane and hydrogen chloride, and (B) the total product of step (A) together with trichloroethylene to be lower than the temperature of step (A) about 200-400 Sent to a second reaction zone containing a fluorination catalyst at a temperature of < 0 > C to form a product containing 1,1,1-trifluoro-2-chloroethane, hydrogen chloride and unreacted trichloroethylene, (C) 1, Treat the product of step (B) to separate 1,1,1,2-tetrafluoroethane and hydrogen chloride from 1,1-trifluoro-2-chloroethane, unreacted hydrogen fluoride and trichloroethylene (D) the 1,1,1-trifluoro-2-chloroethane mixture obtained in step (C) with hydrogen fluoride 1,1,1,2-tetrafluoroethane from 1,1,1,2-tetrafluoroethane and hydrogen chloride supplied to the first reaction zone (step A) and separated in step (C) Method for producing 1,1,1,2-tetrafluoroethane consisting of the steps of recovering. 제1항에 있어서, 1,1,1-트리플루오로-2-클로로에탄 1몰당 2-6몰의 불화수소가 단계(A)의 제1반응 영역내에 공급되는 방법.The process of claim 1 wherein 2-6 moles of hydrogen fluoride per mole of 1,1,1-trifluoro-2-chloroethane are fed into the first reaction zone of step (A). 제1항 또는 제2항에 있어서, 단계(A)의 제1반응 영역의 온도가 305℃-385℃인 방법.The process of claim 1 or 2, wherein the temperature of the first reaction zone of step (A) is between 305 ° C and 385 ° C. 제1항, 제2항 또는 제3항에 있어서, 트리클로로에틸렌 1몰당 15-60몰의 불화수소가 단계(B)의 제2반응 영역내에 공급되는 방법.The process according to claim 1, 2 or 3, wherein 15 to 60 moles of hydrogen fluoride per mole of trichloroethylene are fed into the second reaction zone of step (B). 제1항 내지 제4항중 어느 한 항에 있어서, 단계(B)의 제2반응 영역의 온도가 220℃-350℃인 방법.The process according to claim 1, wherein the temperature of the second reaction zone of step (B) is 220 ° C.-350 ° C. 6. 전기한 항중 어느 한 항에 있어서, 단계(A) 및 단계(B)의 접촉 시간이 5초-30초인 방법.The method of any one of the preceding claims wherein the contact time of steps (A) and (B) is between 5 and 30 seconds. 전기한 항중 어느 한 항에 있어서, 단계(A) 및 단계(B)의 반응이 5-20바(bar)의 압력하에서 행해지는 방법.The process according to any one of the preceding claims, wherein the reaction of steps (A) and (B) is carried out under a pressure of 5-20 bar. 전기한 항중 어느 한 항에 있어서, 연속식으로 실행되는 방법.The method according to any one of the preceding claims, carried out continuously. 전기한 항중 어느 한 항에 있어서, 상기 제1 및 제2반응 영역이 단열 반응기에 의해 제공되는 방법.The method of claim 1, wherein the first and second reaction zones are provided by an adiabatic reactor. 전기한 항중 어느 한 항에 있어서, 단계(A)의 생성물 스트림과 함께 단계(B)의 제2반응 영역에 공급된 트리클로로에틸렌이 제2반응 영역에 앞서 트리클로로에틸렌을 가열하고 생성물 스트림을 냉각시키기 위해 상기 단계(A)의 생성물 스트림에 부가되는 방법.The method according to any one of the preceding claims, wherein the trichloroethylene supplied to the second reaction zone of step (B) together with the product stream of step (A) heats the trichloroethylene and cools the product stream prior to the second reaction zone. To the product stream of step (A). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910005448A 1991-04-04 1991-04-04 Process for the preparation of 1,1,1,2-tetra-fluoroethane Expired - Lifetime KR0171414B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910005448A KR0171414B1 (en) 1991-04-04 1991-04-04 Process for the preparation of 1,1,1,2-tetra-fluoroethane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910005448A KR0171414B1 (en) 1991-04-04 1991-04-04 Process for the preparation of 1,1,1,2-tetra-fluoroethane

Publications (2)

Publication Number Publication Date
KR920019713A true KR920019713A (en) 1992-11-19
KR0171414B1 KR0171414B1 (en) 1999-03-30

Family

ID=19312918

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910005448A Expired - Lifetime KR0171414B1 (en) 1991-04-04 1991-04-04 Process for the preparation of 1,1,1,2-tetra-fluoroethane

Country Status (1)

Country Link
KR (1) KR0171414B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200019872A (en) * 2017-06-22 2020-02-25 니폰 제온 가부시키가이샤 Method for producing octafluorocyclopentene

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200019872A (en) * 2017-06-22 2020-02-25 니폰 제온 가부시키가이샤 Method for producing octafluorocyclopentene

Also Published As

Publication number Publication date
KR0171414B1 (en) 1999-03-30

Similar Documents

Publication Publication Date Title
KR910016658A (en) Method for preparing 1,1,1,2-tetrafluoroethane
EP0354697B1 (en) Process for the separation of hf via azeotropic distillation
US5877359A (en) Uncatalyzed liquid phase fluorination of 1230ZA
US5414166A (en) Process for the preparation of 1,1,1-trifluoro-2,2-dichloroethane
KR920009747A (en) Method for preparing 1, 1, 1, 2-tetrafluoroethane
JPH01287044A (en) Production of 1, 2-difluoroethane and 1, 1, 2-trifluoroethane
PL312740A1 (en) Method of production of 1,1,1-trichlorotrifluorethane
KR920701093A (en) Preparation of 1,1,1,2-tetrafluoroethane
TW290531B (en) Production of difluoromethane
KR930701372A (en) Fluorination Method of Haloolefin
KR920019713A (en) Method for preparing 1,1,1,2-tetrafluoroethane
ES2131670T3 (en) PROCEDURE FOR THE PRODUCTION OF 1,1,2,2,3-PENTAFLUOROPROPANE.
WO2002026672A3 (en) Fluorination process
KR930016380A (en) Method for preparing 1,1,1,2-tetrafluoroethane
KR900017969A (en) Method for preparing 1,1-dichloro-1-fluoroethane
KR930701370A (en) Method for preparing 1,1-dichloro-1-fluoroethane
CA2137234A1 (en) Production of hydrofluoroalkanes
KR850000378A (en) Fluorination process
KR960037629A (en) Process for producing 1-difluoroethane
KR970001291A (en) Continuous process for preparing sodium C_4-C_8 alkoxide
ES2139951T3 (en) PROCEDURE FOR THE PREPARATION OF 2,6-DIFLUOROBENZONITRILE IN THE ABSENCE OF SOLVENT.
TW328071B (en) Process for the synthesis of difluoromethane
WO2000043338A3 (en) Method of producing fluorinated organic compounds
GB930173A (en) Production of methyl chloroform
IL123056A (en) Process for the manufacture of 1,1,1,2-tetrafluoroethane

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19910404

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19960308

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19910404

Comment text: Patent Application

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 19980831

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 19981020

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 19981020

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20011010

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 20021007

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 20031009

Start annual number: 6

End annual number: 6

PR1001 Payment of annual fee

Payment date: 20041012

Start annual number: 7

End annual number: 7

PR1001 Payment of annual fee

Payment date: 20051011

Start annual number: 8

End annual number: 8

PR1001 Payment of annual fee

Payment date: 20061011

Start annual number: 9

End annual number: 9

PR1001 Payment of annual fee

Payment date: 20071010

Start annual number: 10

End annual number: 10

PR1001 Payment of annual fee

Payment date: 20081010

Start annual number: 11

End annual number: 11

PR1001 Payment of annual fee

Payment date: 20091009

Start annual number: 12

End annual number: 12

FPAY Annual fee payment

Payment date: 20101020

Year of fee payment: 13

PR1001 Payment of annual fee

Payment date: 20101020

Start annual number: 13

End annual number: 13

EXPY Expiration of term
PC1801 Expiration of term

Termination date: 20120110

Termination category: Expiration of duration