DE69405488T2 - Verfahren zur Reinigung von Diarylcarbonaten - Google Patents

Verfahren zur Reinigung von Diarylcarbonaten

Info

Publication number
DE69405488T2
DE69405488T2 DE69405488T DE69405488T DE69405488T2 DE 69405488 T2 DE69405488 T2 DE 69405488T2 DE 69405488 T DE69405488 T DE 69405488T DE 69405488 T DE69405488 T DE 69405488T DE 69405488 T2 DE69405488 T2 DE 69405488T2
Authority
DE
Germany
Prior art keywords
purification
diaryl carbonates
diaryl
carbonates
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 - Fee Related
Application number
DE69405488T
Other languages
English (en)
Other versions
DE69405488D1 (de
Inventor
Robert Bruce Ehlinger
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.)
General Electric Co
Original Assignee
General Electric Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22186297&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69405488(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by General Electric Co filed Critical General Electric Co
Publication of DE69405488D1 publication Critical patent/DE69405488D1/de
Application granted granted Critical
Publication of DE69405488T2 publication Critical patent/DE69405488T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C68/00—Preparation of esters of carbonic or haloformic acids
    • C07C68/08—Purification; Separation; Stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
DE69405488T 1993-06-29 1994-06-14 Verfahren zur Reinigung von Diarylcarbonaten Expired - Fee Related DE69405488T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/084,647 US5498319A (en) 1993-06-29 1993-06-29 Process for purifying diaryl carbonates

Publications (2)

Publication Number Publication Date
DE69405488D1 DE69405488D1 (de) 1997-10-16
DE69405488T2 true DE69405488T2 (de) 1998-03-26

Family

ID=22186297

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69405488T Expired - Fee Related DE69405488T2 (de) 1993-06-29 1994-06-14 Verfahren zur Reinigung von Diarylcarbonaten

Country Status (6)

Country Link
US (1) US5498319A (de)
EP (1) EP0633241B1 (de)
JP (1) JP2862796B2 (de)
CN (1) CN1103399A (de)
DE (1) DE69405488T2 (de)
ES (1) ES2106451T3 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030028043A1 (en) * 1995-08-01 2003-02-06 Gaylord M. Kissinger Process for purifying diaryl carbonates
DE19600631A1 (de) * 1996-01-10 1997-07-17 Bayer Ag Verfahren zur Reinigung von Kohlensäurediarylestern
JP4420477B2 (ja) * 1997-03-04 2010-02-24 三菱化学株式会社 高純度ジアリールカーボネートおよびその製造方法
JP4356120B2 (ja) * 1998-02-19 2009-11-04 三菱化学株式会社 高純度ジアリールカーボネート及びその製造方法
US6323302B1 (en) 1998-04-27 2001-11-27 Teijin Limited Carbonic acid diester, aromatic polycarbonate and facilities, and preparation thereof
US5962699A (en) * 1998-07-23 1999-10-05 Huntsman Petrochemical Corporation Process for decolorizing organic carbonates
US6143937A (en) * 1998-12-18 2000-11-07 General Electric Company Recovery of hydroxyaromatic compound from aqueous extract solutions
US6294684B1 (en) * 1999-12-08 2001-09-25 General Electric Company Method and apparatus for the continuous production of diaryl carbonates
CN100383109C (zh) * 2005-12-07 2008-04-23 华中科技大学 溶析结晶提纯碳酸二苯酯的工艺方法
JP5119703B2 (ja) * 2007-03-23 2013-01-16 三菱化学株式会社 フレーク状ジアリールカーボネートの製造方法
RU2483058C2 (ru) * 2008-05-15 2013-05-27 Асахи Касеи Кемикалз Корпорейшн Способ получения изоцианата
EP2275405B1 (de) * 2008-05-15 2019-04-24 Asahi Kasei Kabushiki Kaisha Verfahren zur herstellung von isocyanat unter einsatz von kohlensäurediarylestern
WO2012076519A1 (en) 2010-12-08 2012-06-14 Shell Internationale Research Maatschappij B.V. Process for purifying dialkyl carbonate
WO2012076532A1 (en) 2010-12-08 2012-06-14 Shell Internationale Research Maatschappij B.V. Process for purifying aryl group containing carbonates
JP2012166559A (ja) * 2012-04-20 2012-09-06 Mitsubishi Chemicals Corp フレーク状ジアリールカーボネートの取り扱い方法
JP5650777B2 (ja) * 2013-03-11 2015-01-07 旭化成ケミカルズ株式会社 炭酸ジアリールを用いるイソシアネートの製造方法
CN105189445A (zh) * 2013-03-15 2015-12-23 沙特基础全球技术有限公司 用于制备高质量聚碳酸酯的碳酸二苯酯的纯化方法
EP2778186B1 (de) 2013-03-15 2017-07-12 SABIC Global Technologies B.V. Herstellung von Polycarbonat mit geringen metallischen Rückständen
WO2015013655A1 (en) 2013-07-26 2015-01-29 Sabic Innovative Plastics Ip B.V. Method and apparatus for producing high purity phosgene
KR102041556B1 (ko) 2013-07-26 2019-11-06 사빅 글로벌 테크놀러지스 비.브이. 고순도 포스겐의 제조 방법 및 제조 장치
WO2015119982A2 (en) 2014-02-04 2015-08-13 Sabic Global Technologies B.V. Method for producing carbonates
US9695106B2 (en) 2014-02-04 2017-07-04 Sabic Global Technologies B.V. Method for producing carbonates
WO2017089441A1 (en) * 2015-11-26 2017-06-01 Shell Internationale Research Maatschappij B.V. Process for preparing a diaryl carbonate
CN105968005A (zh) * 2016-06-08 2016-09-28 泰安众智化工有限责任公司 一种氯甲酸苯酯生产固体废弃物回收碳酸二苯酯的方法
CN113577814B (zh) * 2021-08-16 2022-10-18 四川中蓝国塑新材料科技有限公司 一种用于聚碳酸酯工业化生产的碳酸二苯酯回收装置及方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2362865A (en) * 1941-07-18 1944-11-14 Gen Chemical Corp Manufacturie of aromatic esters
DE1275541B (de) * 1965-02-25 1968-08-22 Bayer Ag Verfahren zur Reinigung von Diarylcarbonaten
US3470133A (en) * 1967-09-15 1969-09-30 Ppg Industries Inc Water washing polyesters of carbonic acid and diphenols
FR2294198A1 (fr) * 1974-12-11 1976-07-09 Poudres & Explosifs Ste Nale Procede de purification des oligocarbonates
US4697034A (en) * 1985-11-15 1987-09-29 General Electric Company Process for making diaryl carbonates
SU1698250A1 (ru) * 1989-11-20 1991-12-15 Уфимский Нефтяной Институт Способ получени дифенилкарбоната
JP2798293B2 (ja) * 1990-06-04 1998-09-17 日本ジーイープラスチックス株式会社 フェノール類の回収方法
US5167946A (en) * 1990-12-27 1992-12-01 The Dow Chemical Company Diaryl carbonate process
US5189139A (en) * 1991-08-08 1993-02-23 The Dow Chemical Company Preparation of polycarbonates comprising separating bisphenol, converting bisphenol to diaryl carbonate and recycling

Also Published As

Publication number Publication date
US5498319A (en) 1996-03-12
DE69405488D1 (de) 1997-10-16
JPH07138208A (ja) 1995-05-30
EP0633241A1 (de) 1995-01-11
ES2106451T3 (es) 1997-11-01
JP2862796B2 (ja) 1999-03-03
CN1103399A (zh) 1995-06-07
EP0633241B1 (de) 1997-09-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee