GB1096936A - Process for the purification of diaryl carbonates - Google Patents

Process for the purification of diaryl carbonates

Info

Publication number
GB1096936A
GB1096936A GB820866A GB820866A GB1096936A GB 1096936 A GB1096936 A GB 1096936A GB 820866 A GB820866 A GB 820866A GB 820866 A GB820866 A GB 820866A GB 1096936 A GB1096936 A GB 1096936A
Authority
GB
United Kingdom
Prior art keywords
carbonate
salt
bis
purification
alkaline earth
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
Application number
GB820866A
Other languages
English (en)
Inventor
Hermann Schnell
Hugo Vernaleken
Ludwig Bottenbruch
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of GB1096936A publication Critical patent/GB1096936A/en
Expired 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20—General preparatory processes
    • C08G64/30—General preparatory processes using carbonates
    • C08G64/307—General preparatory processes using carbonates and phenols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB820866A 1965-02-25 1966-02-24 Process for the purification of diaryl carbonates Expired GB1096936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF45355A DE1275541B (de) 1965-02-25 1965-02-25 Verfahren zur Reinigung von Diarylcarbonaten

Publications (1)

Publication Number Publication Date
GB1096936A true GB1096936A (en) 1967-12-29

Family

ID=7100455

Family Applications (1)

Application Number Title Priority Date Filing Date
GB820866A Expired GB1096936A (en) 1965-02-25 1966-02-24 Process for the purification of diaryl carbonates

Country Status (4)

Country Link
BE (1) BE676977A (US06265458-20010724-C00056.png)
DE (1) DE1275541B (US06265458-20010724-C00056.png)
GB (1) GB1096936A (US06265458-20010724-C00056.png)
NL (1) NL6602444A (US06265458-20010724-C00056.png)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02175722A (ja) * 1988-09-22 1990-07-09 Nippon G Ii Plast Kk ポリカーボネートの製造方法
US5239106A (en) * 1992-08-17 1993-08-24 General Electric Company Method of recovering and purifying diphenylcarbonate from phenolic solutions thereof
EP0633241A1 (en) * 1993-06-29 1995-01-11 General Electric Company Process for purifying diaryl carbonates
EP0687666A1 (de) 1994-06-15 1995-12-20 Bayer Ag Verfahren zur Reinigung von Diphenylcarbonat
EP0722931A1 (en) * 1995-01-23 1996-07-24 Mitsubishi Gas Chemical Company, Inc. Method for preparing high purity diphenyl carbonate
WO2000037420A1 (en) * 1998-12-22 2000-06-29 General Electric Company Removal of lead from organic diaryl carbonate reaction mixtures
EP1178033A1 (en) * 2000-08-04 2002-02-06 Ube Industries, Ltd. Process for the purification of diaryl carbonate and process for the production of polycarbonate
EP1234845A2 (en) * 2001-02-26 2002-08-28 Mitsubishi Chemical Corporation Process for producing diphenyl carbonate and process for producing aromatic polycarbonates

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0592900A3 (en) * 1992-10-14 1995-02-22 Daicel Chem Process for the preparation of polycarbonates by polycondensation in the melt.
DE69333628T2 (de) * 1992-10-14 2005-02-03 Daicel Chemical Industries, Ltd., Sakai Verfahren zur Darstellung von Polycarbonaten durch Polykondensation in der Schmelze
DE69425130T2 (de) * 1994-04-14 2000-11-09 Daicel Chem Verfahren zur Herstellung von (Co)Polycarbonaten

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02175722A (ja) * 1988-09-22 1990-07-09 Nippon G Ii Plast Kk ポリカーボネートの製造方法
JPH0618868B2 (ja) * 1988-09-22 1994-03-16 日本ジーイープラスチックス株式会社 ポリカーボネートの製造方法
US5239106A (en) * 1992-08-17 1993-08-24 General Electric Company Method of recovering and purifying diphenylcarbonate from phenolic solutions thereof
EP0633241A1 (en) * 1993-06-29 1995-01-11 General Electric Company Process for purifying diaryl carbonates
EP0687666A1 (de) 1994-06-15 1995-12-20 Bayer Ag Verfahren zur Reinigung von Diphenylcarbonat
US5495038A (en) * 1994-06-15 1996-02-27 Bayer Aktiengesellschaft Process for the purification of diphenyl carbonate
EP0722931A1 (en) * 1995-01-23 1996-07-24 Mitsubishi Gas Chemical Company, Inc. Method for preparing high purity diphenyl carbonate
WO2000037420A1 (en) * 1998-12-22 2000-06-29 General Electric Company Removal of lead from organic diaryl carbonate reaction mixtures
EP1178033A1 (en) * 2000-08-04 2002-02-06 Ube Industries, Ltd. Process for the purification of diaryl carbonate and process for the production of polycarbonate
US6472498B2 (en) 2000-08-04 2002-10-29 Ube Industries, Ltd. Diaryl carbonate product and production of polycarbonate
KR100890887B1 (ko) * 2000-08-04 2009-03-31 우베 고산 가부시키가이샤 디아릴 카르보네이트 생성물 및 폴리카르보네이트의제조방법
EP1234845A2 (en) * 2001-02-26 2002-08-28 Mitsubishi Chemical Corporation Process for producing diphenyl carbonate and process for producing aromatic polycarbonates
EP1234845A3 (en) * 2001-02-26 2004-05-06 Mitsubishi Chemical Corporation Process for producing diphenyl carbonate and process for producing aromatic polycarbonates

Also Published As

Publication number Publication date
NL6602444A (US06265458-20010724-C00056.png) 1966-08-26
BE676977A (US06265458-20010724-C00056.png) 1966-08-24
DE1275541B (de) 1968-08-22

Similar Documents

Publication Publication Date Title
GB1096936A (en) Process for the purification of diaryl carbonates
BR7020197D0 (pt) Processo para tratamento de agua que contem material bioquimicamente oxidavel (box)por oxigenacao ciclica em contato com biomassa aparelho para oxigenacao ciclica de liquido que contem material bioquuimicamente oxidavel (box) e processo para tratamento ciclico de material de esgotos por oxigenacao em contato com lama ativada
ES2121739T3 (es) Procedimiento para la produccion de policarbonatos.
MX6661E (es) Procedimiento mejorado para la produccion de alquil-aldosidos usando licores madres reciclados
FR2458530B1 (US06265458-20010724-C00056.png)
BR8108346A (pt) Processo para preparacao enzimatica de acido l-2-amino-4-metil-fosfinobutirico
NO875347D0 (no) Fremgangsmaate for fremstilling av organiske karbonater ved omestring.
FR2456082B1 (fr) Procede de fabrication de sels anhydres de metaux alcalins de bisphenol
SE8203152L (sv) Forfarande for syntetisering av kolsyraestrar herrorande fran omettade alkoholer och flerverda alkoholer
ATE19868T1 (de) Herstellung von natriumsalicylat.
MX164982B (es) Procedimiento para la produccion de un hidroxifenilalcanoato inhibido de bisfenol a etoxilado
GB1037465A (en) Process for the production of high molecular weight thermoplastic polycarbonates
GB1097058A (en) Process for the production of high molecular weight thermoplastic polycarbonates by the transesterification process
GB1432780A (en) Method for manufacture of dihydric phenols
ATE24479T1 (de) Herstellungsverfahren von alpha-chlorierten chloroameisensaeureestern.
IT1121968B (it) Procedimento per la produzione di carbonato di sodio anidro
GB1429039A (en) Dialkylphosphinyl compounds
BR8101490A (pt) Processo continuo para alvejar com peroxido
JPS544112A (en) Production of magnetic head of floating type
FR1601054A (en) A-phenoxy-phenylacetic acid derivs hypocholesterolaemics
FR2576589B1 (fr) Procede de fabrication de carbonate de sodium anhydre dense et carbonate de sodium anhydre dense obtenu par ce procede
ES481356A1 (es) Procedimiento para desencalcar pieles.
GB1175930A (en) gamma-Alkylthiolysines and process for producing the same
GB1186109A (en) Flame-Retardant Synthetic Resin Materials and Flame-Retardant Agents; Foamable Resin Materials
ES433515A1 (es) Procedimiento para recuperar contenidos de isocianuratos decorrientes acuosas residuales.