WO2009028584A1 - ヘキサフルオロアセトン水和物の脱水方法 - Google Patents

ヘキサフルオロアセトン水和物の脱水方法 Download PDF

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Publication number
WO2009028584A1
WO2009028584A1 PCT/JP2008/065359 JP2008065359W WO2009028584A1 WO 2009028584 A1 WO2009028584 A1 WO 2009028584A1 JP 2008065359 W JP2008065359 W JP 2008065359W WO 2009028584 A1 WO2009028584 A1 WO 2009028584A1
Authority
WO
WIPO (PCT)
Prior art keywords
hexafluoroacetone
hydrogen fluoride
hexafluoroacetone hydrate
dehydration
hydrate
Prior art date
Application number
PCT/JP2008/065359
Other languages
English (en)
French (fr)
Inventor
Yutaka Katsuhara
Tatsuya Hayasaka
Yoshiaki Miyamoto
Original Assignee
Central Glass Company, Limited
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 Central Glass Company, Limited filed Critical Central Glass Company, Limited
Priority to CN200880104256.XA priority Critical patent/CN101784510B/zh
Priority to US12/675,725 priority patent/US7919657B2/en
Priority to EP08828871.7A priority patent/EP2189437B1/en
Publication of WO2009028584A1 publication Critical patent/WO2009028584A1/ja

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C07C45/83—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation by extractive distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/85—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification

Landscapes

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

Abstract

【課題】ヘキサフルオロアセトン水和物から無水のヘキサフルオロアセトンを製造する方法を提供する。また、従来行われていた濃硫酸、発煙硫酸などを用いる方法では避けられない有機物質を含む廃硫酸などの廃棄物処理を必要としない環境に配慮した方法を提供する。 【解決手段】ヘキサフルオロアセトン水和物とフッ化水素をあらかじめ混合してまたは別々に蒸留塔に導入し、低沸点成分としてヘキサフルオロアセトンまたはヘキサフルオロアセトンフッ化水素付加体とフッ化水素を含む組成物を得、高沸点成分として水およびフッ化水素を含む組成物として得ることからなるヘキサフルオロアセトン水和物の脱水方法。  
PCT/JP2008/065359 2007-08-29 2008-08-28 ヘキサフルオロアセトン水和物の脱水方法 WO2009028584A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN200880104256.XA CN101784510B (zh) 2007-08-29 2008-08-28 六氟丙酮水合物的脱水方法
US12/675,725 US7919657B2 (en) 2007-08-29 2008-08-28 Process for dehydration of hexafluoroacetone hydrate
EP08828871.7A EP2189437B1 (en) 2007-08-29 2008-08-28 Rocess for dehydration of hexafluoroacetone trihydrate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007222846A JP5034784B2 (ja) 2007-08-29 2007-08-29 ヘキサフルロアセトン水和物の脱水方法
JP2007-222846 2007-08-29

Publications (1)

Publication Number Publication Date
WO2009028584A1 true WO2009028584A1 (ja) 2009-03-05

Family

ID=40387299

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/065359 WO2009028584A1 (ja) 2007-08-29 2008-08-28 ヘキサフルオロアセトン水和物の脱水方法

Country Status (5)

Country Link
US (1) US7919657B2 (ja)
EP (1) EP2189437B1 (ja)
JP (1) JP5034784B2 (ja)
CN (1) CN101784510B (ja)
WO (1) WO2009028584A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011021491A1 (ja) * 2009-08-18 2011-02-24 セントラル硝子株式会社 ヘキサフルオロアセトン一水和物の製造方法
WO2012020701A1 (ja) * 2010-08-12 2012-02-16 セントラル硝子株式会社 ヘキサフルオロアセトン一水和物の製造方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106699504A (zh) * 2015-11-18 2017-05-24 浙江蓝天环保高科技股份有限公司 一种2,2-双（3,4-二甲苯基）六氟丙烷的制备方法
CN117945852A (zh) * 2024-03-15 2024-04-30 山东华安新材料有限公司 一种七氟异丙醇的制备方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1372549A (fr) 1963-07-30 1964-09-18 Du Pont Procédé de préparation de composés perhalogénés fortement fluorés
US3745093A (en) 1970-07-17 1973-07-10 Du Pont Process for separating hexafluoroacetone from hydrogen fluoride
JPS5371006A (en) * 1976-12-03 1978-06-24 Daikin Ind Ltd Purification of hexafluoro-2-propanone
JPS5781433A (en) 1980-11-11 1982-05-21 Central Glass Co Ltd Purification of hexafluoroacetone
JPS59157045A (ja) 1983-02-28 1984-09-06 Nippon Mektron Ltd ヘキサフルオロアセトン水和物の脱水方法
JPS59204149A (ja) * 1983-04-30 1984-11-19 Central Glass Co Ltd ヘキサフルオロアセトン水和物の精製方法
JPS60185742A (ja) * 1983-12-13 1985-09-21 ソシエテ　アトケム ヘキサフルオロアセトンの連続接触製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE644654A (ja) * 1963-03-07 1964-07-01
US3433838A (en) * 1966-09-21 1969-03-18 Allied Chem Purification of perhaloacetones
US4388223A (en) * 1981-04-06 1983-06-14 Euteco Impianti S.P.A. Catalyst for the conversion of unsaturated hydrocarbons into diolefins or unsaturated aldehydes and nitriles, and process for preparing the same
US4570974A (en) * 1984-04-30 1986-02-18 Arthur Dove Safety vest
JP3066294B2 (ja) * 1995-08-02 2000-07-17 三洋電機株式会社 商用電源供給機能付空気調和システム
CN1321962C (zh) * 2005-11-07 2007-06-20 上海三爱富新材料股份有限公司 六氟丙酮水合物的脱水方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1372549A (fr) 1963-07-30 1964-09-18 Du Pont Procédé de préparation de composés perhalogénés fortement fluorés
US3745093A (en) 1970-07-17 1973-07-10 Du Pont Process for separating hexafluoroacetone from hydrogen fluoride
JPS5371006A (en) * 1976-12-03 1978-06-24 Daikin Ind Ltd Purification of hexafluoro-2-propanone
JPS5781433A (en) 1980-11-11 1982-05-21 Central Glass Co Ltd Purification of hexafluoroacetone
JPS59157045A (ja) 1983-02-28 1984-09-06 Nippon Mektron Ltd ヘキサフルオロアセトン水和物の脱水方法
JPS59204149A (ja) * 1983-04-30 1984-11-19 Central Glass Co Ltd ヘキサフルオロアセトン水和物の精製方法
JPS60185742A (ja) * 1983-12-13 1985-09-21 ソシエテ　アトケム ヘキサフルオロアセトンの連続接触製造方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ISZ. AKAD-NAUK SSSR, OTDEL. KHIM, NAUK, vol. 4, 1960, pages 686 - 692
See also references of EP2189437A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011021491A1 (ja) * 2009-08-18 2011-02-24 セントラル硝子株式会社 ヘキサフルオロアセトン一水和物の製造方法
WO2012020701A1 (ja) * 2010-08-12 2012-02-16 セントラル硝子株式会社 ヘキサフルオロアセトン一水和物の製造方法

Also Published As

Publication number Publication date
CN101784510B (zh) 2013-03-20
JP2009051799A (ja) 2009-03-12
EP2189437A4 (en) 2013-11-20
US7919657B2 (en) 2011-04-05
US20100217049A1 (en) 2010-08-26
JP5034784B2 (ja) 2012-09-26
EP2189437B1 (en) 2016-10-12
EP2189437A1 (en) 2010-05-26
CN101784510A (zh) 2010-07-21

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