CN1035761C - 提纯1，1，1，2-四氟乙烷的方法 - Google Patents

提纯1，1，1，2-四氟乙烷的方法 Download PDF

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Publication number
CN1035761C
CN1035761C CN92112813.4A CN92112813A CN1035761C CN 1035761 C CN1035761 C CN 1035761C CN 92112813 A CN92112813 A CN 92112813A CN 1035761 C CN1035761 C CN 1035761C
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CN
China
Prior art keywords
tetrafluoroethane
reaction
hfc
impurity
reactor
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.)
Expired - Lifetime
Application number
CN92112813.4A
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English (en)
Chinese (zh)
Other versions
CN1085888A (zh
Inventor
大野博基
大井敏夫
中山秀俊
村一男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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
Priority to JP3115551A priority Critical patent/JP2897454B2/ja
Application filed by Showa Denko KK filed Critical Showa Denko KK
Priority to CN92112813.4A priority patent/CN1035761C/zh
Publication of CN1085888A publication Critical patent/CN1085888A/zh
Application granted granted Critical
Publication of CN1035761C publication Critical patent/CN1035761C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CN92112813.4A 1991-04-19 1992-10-17 提纯1，1，1，2-四氟乙烷的方法 Expired - Lifetime CN1035761C (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP3115551A JP2897454B2 (ja) 1991-04-19 1991-04-19 １，１，１，２−テトラフルオロエタンの精製法
CN92112813.4A CN1035761C (zh) 1991-04-19 1992-10-17 提纯1，1，1，2-四氟乙烷的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3115551A JP2897454B2 (ja) 1991-04-19 1991-04-19 １，１，１，２−テトラフルオロエタンの精製法
CN92112813.4A CN1035761C (zh) 1991-04-19 1992-10-17 提纯1，1，1，2-四氟乙烷的方法

Publications (2)

Publication Number Publication Date
CN1085888A CN1085888A (zh) 1994-04-27
CN1035761C true CN1035761C (zh) 1997-09-03

Family

ID=36791805

Family Applications (1)

Application Number Title Priority Date Filing Date
CN92112813.4A Expired - Lifetime CN1035761C (zh) 1991-04-19 1992-10-17 提纯1，1，1，2-四氟乙烷的方法

Country Status (2)

Country Link
JP (1) JP2897454B2 (ja)
CN (1) CN1035761C (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2694556B1 (fr) * 1992-08-05 1994-09-23 Atochem Elf Sa Procédé de purification du 1,1,1,2-tétrafluoroéthane.
FR2711135B1 (fr) * 1993-10-13 1995-11-17 Atochem Elf Sa Procédé de purification du 1,1,1,2-tétrafluoroéthane.
ES2105565T3 (es) * 1993-10-13 1997-10-16 Atochem Elf Sa Procedimiento para la purificacion del 1,1,1,2-tetrafluoretano.
DE4335179A1 (de) * 1993-10-15 1995-04-20 Solvay Fluor & Derivate Verfahren zur Herstellung von Pentafluorethan und zur Reinigung von 1,1,1,2-Tetrafluorethan
US5723429A (en) * 1994-03-11 1998-03-03 E. I. Du Pont De Nemours And Company Azeotropic or azeotrope-like compositions of tetrafluoroethane and chlorotetrafluoroethane
US5470442A (en) * 1994-03-11 1995-11-28 E. I. Du Pont De Nemours And Company Separating and removing impurities from tetrafluoroethanes by using extractive distillation
FR2736050B1 (fr) 1995-06-29 1997-08-01 Atochem Elf Sa Procede de fabrication du difluoromethane
CN105438810A (zh) * 2015-12-15 2016-03-30 爱彼思（苏州）自动化科技有限公司 一种自动打夹机
CN108623431A (zh) * 2018-06-28 2018-10-09 江苏三美化工有限公司 一种通过净化反应提纯1,1,1,2-四氟乙烷的方法

Also Published As

Publication number Publication date
JP2897454B2 (ja) 1999-05-31
JPH04321632A (ja) 1992-11-11
CN1085888A (zh) 1994-04-27

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Legal Events

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C15 Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993)
OR01 Other related matters
C17 Cessation of patent right
CX01 Expiry of patent term

Expiration termination date: 20121017

Granted publication date: 19970903