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KR940003901A - 1,1,1,2-테트라플루오로에탄의 정제방법 - Google Patents

1,1,1,2-테트라플루오로에탄의 정제방법 Download PDF

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Publication number
KR940003901A
KR940003901A KR1019930001005A KR930001005A KR940003901A KR 940003901 A KR940003901 A KR 940003901A KR 1019930001005 A KR1019930001005 A KR 1019930001005A KR 930001005 A KR930001005 A KR 930001005A KR 940003901 A KR940003901 A KR 940003901A
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South Korea
Prior art keywords
tetrafluoroethane
hydrogen fluoride
mol
catalyst
unsaturated
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KR1019930001005A
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English (en)
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KR100265580B1 (ko
Inventor
오노 히로모또
오이 도시오
나까야마 히데또시
무라마끼 가즈오
Original Assignee
무라다 가쓰
쇼와 덴코 카부시키가이샤
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Publication of KR940003901A publication Critical patent/KR940003901A/ko
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Publication of KR100265580B1 publication Critical patent/KR100265580B1/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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

1,1,1,2-테트라플루오로에탄중의 불포화불순물을 효율적으로 제거한다.
조정제공정에서 염화수소를 2몰% 이하로 하여, 불포화불순물의 해당몰이상인 플루오르화수소를 함유하는 1,1,1,2-테트라플루오로에탄을 기체상 상태에서 촉매와 접촉시키는 정제방법.

Description

1,1,1,2-테트라플루오로에탄의 정제방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (4)

  1. 트리클로로에탄과 플루오르화수소를 반응시켜 1,1,1,2-테트라플루오로에탄을 제조하는 방법에 있어서, 조정제공정에서 염화수소를2몰%이하로 제거하고, 한가지 이상의 불포화불순물을 함유하며, 또한 플루오르화수소를 불포화불순물에 대해 동일몰이상 함유하는 1,1,1,2-테트라플루오로에탄을 기체상 상태에서 촉매와 접촉시켜. 불포화불순물의 함유량을 감소시키는 것이 특징인 1,1,1,2-테트리플루오로에탄의 정제방법.
  2. 제1항에 있어서, 1,1,1,2-테트라플루오로에탄의 농도가 70몰% 이상이고, 또한 1,1,1-트리플루오로-2-클로로에탄의 농도가 10몰% 이하인 것이 특징인 정제방법.
  3. 제1 또는 2항에 있어서, 새로 플로우르화수소를 첨가하지 않고, 불포화불순물에 대해 플루오르화수소를 동일몰이상 함유하는 1,1,1,2-테트라플루오로에탄을 정제하는 것이 특징인 정제방법.
  4. 제1-3항중의 어느 한 항에 있어서, 촉매가 주기율표 1B족, 2A족, 4B족, 5A족, 6A족, 7A족 및 8족중에서 선택된 적어도 한가지의 금속화합물이며, 반응온도가 130-280℃인 것이 특징인 정제방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930001005A 1992-08-31 1993-01-27 1,1,1,2-테트라플루오로에탄의 정제방법 KR100265580B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23172492A JP3250267B2 (ja) 1992-08-31 1992-08-31 １，１，１，２−テトラフルオロエタンの精製方法
JP231724/1992 1992-08-31

Publications (2)

Publication Number Publication Date
KR940003901A true KR940003901A (ko) 1994-03-14
KR100265580B1 KR100265580B1 (ko) 2000-09-15

Family

ID=16928035

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930001005A KR100265580B1 (ko) 1992-08-31 1993-01-27 1,1,1,2-테트라플루오로에탄의 정제방법

Country Status (2)

Country Link
JP (1) JP3250267B2 (ko)
KR (1) KR100265580B1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2771737B1 (fr) * 1997-12-01 2000-02-04 Solvay Procedes de production et d'epuration de 1,1-difluoroethane et produit ainsi obtenu
CN103418367B (zh) * 2013-07-12 2015-10-28 西安近代化学研究所 一种用于氯氟烷烃制备含氟烯烃的催化剂及制备方法

Also Published As

Publication number Publication date
JPH0672912A (ja) 1994-03-15
JP3250267B2 (ja) 2002-01-28
KR100265580B1 (ko) 2000-09-15

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