DE102009023940A1 - Verfahren zur Herstellung von Polycarbonat - Google Patents

Verfahren zur Herstellung von Polycarbonat Download PDF

Info

Publication number
DE102009023940A1
DE102009023940A1 DE102009023940A DE102009023940A DE102009023940A1 DE 102009023940 A1 DE102009023940 A1 DE 102009023940A1 DE 102009023940 A DE102009023940 A DE 102009023940A DE 102009023940 A DE102009023940 A DE 102009023940A DE 102009023940 A1 DE102009023940 A1 DE 102009023940A1
Authority
DE
Germany
Prior art keywords
bis
hydroxyphenyl
solution
polycarbonate
alkali
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.)
Withdrawn
Application number
DE102009023940A
Other languages
German (de)
English (en)
Inventor
Pieter Dr. Ooms
Andreas Bulan
Rainer Dr. Weber
Johann Dr. Rechner
Michael Dr. Traving
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 Intellectual Property GmbH
Original Assignee
Bayer MaterialScience 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43049198&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE102009023940(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer MaterialScience AG filed Critical Bayer MaterialScience AG
Priority to DE102009023940A priority Critical patent/DE102009023940A1/de
Priority to US12/784,850 priority patent/US8106144B2/en
Priority to EP10005449.3A priority patent/EP2286898B1/de
Priority to SG201003849-5A priority patent/SG166762A1/en
Priority to KR1020100052174A priority patent/KR101752915B1/ko
Priority to TW099117853A priority patent/TWI481642B/zh
Priority to JP2010128452A priority patent/JP5600268B2/ja
Priority to CN201010198991.0A priority patent/CN102010505B/zh
Publication of DE102009023940A1 publication Critical patent/DE102009023940A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/36—Pervaporation; Membrane distillation; Liquid permeation
    • B01D61/364—Membrane distillation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00—Halides of sodium, potassium or alkali metals in general
    • C01D3/04—Chlorides
    • 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
    • C08G64/04—Aromatic polycarbonates
    • 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
    • C08G64/22—General preparatory processes using carbonyl halides
    • C08G64/24—General preparatory processes using carbonyl halides and phenols
    • 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
    • C08G64/40—Post-polymerisation treatment
    • C08G64/403—Recovery of the polymer
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
    • C25B1/46—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C25B15/081—Supplying products to non-electrochemical reactors that are combined with the electrochemical cell, e.g. Sabatier reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/14—Pressure control

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Electrochemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Physical Water Treatments (AREA)
  • Water Treatment By Sorption (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
DE102009023940A 2009-06-04 2009-06-04 Verfahren zur Herstellung von Polycarbonat Withdrawn DE102009023940A1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE102009023940A DE102009023940A1 (de) 2009-06-04 2009-06-04 Verfahren zur Herstellung von Polycarbonat
US12/784,850 US8106144B2 (en) 2009-06-04 2010-05-21 Process for producing polycarbonate
EP10005449.3A EP2286898B1 (de) 2009-06-04 2010-05-26 Verfahren zur Herstellung von Polycarbonat
SG201003849-5A SG166762A1 (en) 2009-06-04 2010-06-02 Process for producing polycarbonate
KR1020100052174A KR101752915B1 (ko) 2009-06-04 2010-06-03 폴리카르보네이트의 제조 방법
TW099117853A TWI481642B (zh) 2009-06-04 2010-06-03 用於製造聚碳酸酯之方法
JP2010128452A JP5600268B2 (ja) 2009-06-04 2010-06-04 ポリカーボネートの製造方法
CN201010198991.0A CN102010505B (zh) 2009-06-04 2010-06-04 生产聚碳酸酯的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009023940A DE102009023940A1 (de) 2009-06-04 2009-06-04 Verfahren zur Herstellung von Polycarbonat

Publications (1)

Publication Number Publication Date
DE102009023940A1 true DE102009023940A1 (de) 2010-12-09

Family

ID=43049198

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102009023940A Withdrawn DE102009023940A1 (de) 2009-06-04 2009-06-04 Verfahren zur Herstellung von Polycarbonat

Country Status (8)

Country Link
US (1) US8106144B2 (https=)
EP (1) EP2286898B1 (https=)
JP (1) JP5600268B2 (https=)
KR (1) KR101752915B1 (https=)
CN (1) CN102010505B (https=)
DE (1) DE102009023940A1 (https=)
SG (1) SG166762A1 (https=)
TW (1) TWI481642B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017001513A1 (de) * 2015-07-01 2017-01-05 Covestro Deutschland Ag Osmotisches destillationsverfahren zum konzentrieren einer kochsalzhaltigen flüssigkeit

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2006244479B2 (en) 2005-05-05 2012-08-09 Nyse Group, Inc. Unpriced order auction and routing
DE102009032020A1 (de) * 2009-07-07 2011-01-13 Bayer Materialscience Ag Verfahren zur Herstellung von Polycarbonat
CN104334625A (zh) 2012-05-16 2015-02-04 沙特基础创新塑料Ip私人有限责任公司 含有支化聚碳酸酯的组合物和制品
CN103936216A (zh) * 2014-03-14 2014-07-23 湖南化工研究院 聚碳酸酯工艺废水处理方法
KR20160140818A (ko) * 2014-04-30 2016-12-07 사빅 글로벌 테크놀러지스 비.브이. 염수 용액의 정제
US12359325B2 (en) 2016-05-03 2025-07-15 Twelve Benefit Corporation Membrane electrode assembly for COx reduction
KR102111605B1 (ko) * 2016-12-26 2020-05-15 주식회사 엘지화학 폐수 속 용매를 처리하는 방법
US12320022B2 (en) 2018-01-22 2025-06-03 Twelve Benefit Corporation System and method for carbon dioxide reactor control
EP3743371A4 (en) 2018-01-22 2021-10-13 Opus 12 Incorporated SYSTEM AND METHOD OF CONTROLLING A CARBON DIOXIDE REACTOR
US10487077B1 (en) 2018-06-14 2019-11-26 Sabic Global Technologies B.V. Bis(benzoxazinyl)phthalimidine and associated curable composition and composite
EP4065753A1 (en) 2019-11-25 2022-10-05 Twelve Benefit Corporation Membrane electrode assembly for co x reduction
CA3187895A1 (en) * 2020-08-03 2022-02-10 Nicholas H. FLANDERS System and method for carbon dioxide reactor control
KR20230092977A (ko) 2020-10-20 2023-06-26 트웰브 베네핏 코포레이션 이온성 중합체 및 공중합체
WO2022087167A1 (en) 2020-10-20 2022-04-28 Opus 12 Incorporated Semi-interpenetrating and crosslinked polymers and membranes thereof
CA3240316A1 (en) 2021-12-08 2023-12-14 Twelve Benefit Corporation Systems and methods for ethylene production
WO2024035474A1 (en) 2022-08-12 2024-02-15 Twelve Benefit Corporation Acetic acid production
US12460310B2 (en) 2023-04-04 2025-11-04 Twelve Benefit Corporation Integrated systems employing carbon oxide electrolysis in aluminum production
CN119751842A (zh) * 2025-01-03 2025-04-04 万华化学集团股份有限公司 一种支化聚碳酸酯及其制备方法

Citations (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2970131A (en) 1961-01-31 polycarbonate process
US2991273A (en) 1956-07-07 1961-07-04 Bayer Ag Process for manufacture of vacuum moulded parts of high molecular weight thermoplastic polycarbonates
US2999835A (en) 1959-01-02 1961-09-12 Gen Electric Resinous mixture comprising organo-polysiloxane and polymer of a carbonate of a dihydric phenol, and products containing same
US2999846A (en) 1956-11-30 1961-09-12 Schnell Hermann High molecular weight thermoplastic aromatic sulfoxy polycarbonates
US3028365A (en) 1953-10-16 1962-04-03 Bayer Ag Thermoplastic aromatic polycarbonates and their manufacture
US3062781A (en) 1958-07-02 1962-11-06 Bayer Ag Process for the production of polycarbonates
US3148172A (en) 1956-07-19 1964-09-08 Gen Electric Polycarbonates of dihydroxyaryl ethers
US3271367A (en) 1955-03-26 1966-09-06 Bayer Ag Thermoplastic polycarbonates of dihydroxydiarylene sulfones and their preparation
US3275601A (en) 1956-01-04 1966-09-27 Bayer Ag Manufacture of polycarbonates using tertiary amines, quaternary amines and salts thereof as catalysts
FR1561518A (https=) 1967-03-10 1969-03-28
DE1570703A1 (de) 1964-10-07 1970-02-12 Gen Electric Hydrolytisch stabile Polycarbonate sowie Verfahren zu deren Herstellung
DE2036052A1 (en) 1970-07-21 1972-01-27 Milchwirtschafthche Forschungs und Untersuchungs Gesellschaft mbH, 2100 Hamburg Working up of additives in fat and protein - contng foodstuffs
DE2063050A1 (de) 1970-12-22 1972-07-13 Bayer Verseifungsbeständige Polycarbonate
DE2211956A1 (de) 1972-03-11 1973-10-25 Bayer Ag Verfahren zur herstellung verseifungsstabiler blockcopolycarbonate
US3773634A (en) 1972-03-09 1973-11-20 Diamond Shamrock Corp Control of an olyte-catholyte concentrations in membrane cells
US4025405A (en) 1971-10-21 1977-05-24 Diamond Shamrock Corporation Electrolytic production of high purity alkali metal hydroxide
DE3832396A1 (de) 1988-08-12 1990-02-15 Bayer Ag Dihydroxydiphenylcycloalkane, ihre herstellung und ihre verwendung zur herstellung von hochmolekularen polycarbonaten
DE3833953A1 (de) 1988-10-06 1990-04-19 Bayer Ag Mischungen von speziellen, neuen polycarbonaten mit anderen thermoplasten oder mit elastomeren
JPH02147628A (ja) 1988-11-29 1990-06-06 Teijin Chem Ltd ポリカーボネート系化合物の製造方法
US4982014A (en) 1988-08-12 1991-01-01 Bayer Aktiengesellschaft Dihydroxydiphenyl cycloalkanes, their production and their use for the production of high molecular weight polycarbonates
JPH03292341A (ja) 1990-04-11 1991-12-24 Teijin Chem Ltd ポリカーボネートの製造法
JPH03292340A (ja) 1990-04-11 1991-12-24 Teijin Chem Ltd ポリカーボネートの製造法
EP0541114A2 (en) 1991-10-28 1993-05-12 Chang Shih Chang The process to recover salt from brine waste water
JPH08245780A (ja) 1995-03-08 1996-09-24 Idemitsu Petrochem Co Ltd ポリカーボネートの製造方法
DE19510063A1 (de) 1995-03-20 1996-09-26 Bayer Antwerpen Nv Verfahren zur Reinigung von phenolhaltigem Prozeßabwasser
WO2001038419A1 (en) 1999-11-29 2001-05-31 General Electric Company Method and apparatus for the production of polycarbonates with brine recycling
EP1200359A1 (de) 1999-06-18 2002-05-02 Bayer Aktiengesellschaft Verfahren zum abbau organischer verbindungen in wasser
WO2003070639A1 (de) 2002-02-22 2003-08-28 Bayer Materialscience Ag Aufbereitung von kochsalz enthaltenden abwässern zum einsatz in der chlor-alkali-elektrolyse

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1915063A1 (de) 1969-03-25 1970-10-08 Koppers Gmbh Heinrich Kleinklaeranlage fuer die biologische Abwasserreinigung
DE2063052A1 (de) 1970-12-22 1972-07-13 Bayer Verseifungsbeständige Polycarbonate
US5227458A (en) 1988-08-12 1993-07-13 Bayer Aktiengesellschaft Polycarbonate from dihydroxydiphenyl cycloalkane
CA1340125C (en) 1988-10-06 1998-11-10 Dieter Freitag Mixture of special new polycarbonates with other thermoplastics or with elastomers
DE10063297A1 (de) * 2000-12-19 2002-06-20 Bayer Ag Kontinuierliches Verfahren zur Herstellung von Kohlensäurediarylester
JP2003063999A (ja) 2001-08-28 2003-03-05 Mitsubishi Heavy Ind Ltd 有機ハロゲン化物分解処理システム
EP1601616A1 (en) * 2003-03-05 2005-12-07 Dow Global Technologies Inc. A method for purifying wastewater
RU2329250C2 (ru) 2003-06-27 2008-07-20 Асахи Касеи Кемикалз Корпорейшн Способ получения ароматического карбоната
CA2469769A1 (en) 2004-06-04 2005-12-04 Aker Kvaerner Canada Inc. Apparatus and method for spent alkali metal halide solution concentration using osmotic membrane distillation

Patent Citations (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2970131A (en) 1961-01-31 polycarbonate process
US3028365A (en) 1953-10-16 1962-04-03 Bayer Ag Thermoplastic aromatic polycarbonates and their manufacture
US3271367A (en) 1955-03-26 1966-09-06 Bayer Ag Thermoplastic polycarbonates of dihydroxydiarylene sulfones and their preparation
US3275601A (en) 1956-01-04 1966-09-27 Bayer Ag Manufacture of polycarbonates using tertiary amines, quaternary amines and salts thereof as catalysts
US2991273A (en) 1956-07-07 1961-07-04 Bayer Ag Process for manufacture of vacuum moulded parts of high molecular weight thermoplastic polycarbonates
US3148172A (en) 1956-07-19 1964-09-08 Gen Electric Polycarbonates of dihydroxyaryl ethers
US2999846A (en) 1956-11-30 1961-09-12 Schnell Hermann High molecular weight thermoplastic aromatic sulfoxy polycarbonates
US3062781A (en) 1958-07-02 1962-11-06 Bayer Ag Process for the production of polycarbonates
US2999835A (en) 1959-01-02 1961-09-12 Gen Electric Resinous mixture comprising organo-polysiloxane and polymer of a carbonate of a dihydric phenol, and products containing same
DE1570703A1 (de) 1964-10-07 1970-02-12 Gen Electric Hydrolytisch stabile Polycarbonate sowie Verfahren zu deren Herstellung
FR1561518A (https=) 1967-03-10 1969-03-28
DE2036052A1 (en) 1970-07-21 1972-01-27 Milchwirtschafthche Forschungs und Untersuchungs Gesellschaft mbH, 2100 Hamburg Working up of additives in fat and protein - contng foodstuffs
DE2063050A1 (de) 1970-12-22 1972-07-13 Bayer Verseifungsbeständige Polycarbonate
US4025405A (en) 1971-10-21 1977-05-24 Diamond Shamrock Corporation Electrolytic production of high purity alkali metal hydroxide
US3773634A (en) 1972-03-09 1973-11-20 Diamond Shamrock Corp Control of an olyte-catholyte concentrations in membrane cells
DE2211956A1 (de) 1972-03-11 1973-10-25 Bayer Ag Verfahren zur herstellung verseifungsstabiler blockcopolycarbonate
DE3832396A1 (de) 1988-08-12 1990-02-15 Bayer Ag Dihydroxydiphenylcycloalkane, ihre herstellung und ihre verwendung zur herstellung von hochmolekularen polycarbonaten
US4982014A (en) 1988-08-12 1991-01-01 Bayer Aktiengesellschaft Dihydroxydiphenyl cycloalkanes, their production and their use for the production of high molecular weight polycarbonates
DE3833953A1 (de) 1988-10-06 1990-04-19 Bayer Ag Mischungen von speziellen, neuen polycarbonaten mit anderen thermoplasten oder mit elastomeren
JPH02147628A (ja) 1988-11-29 1990-06-06 Teijin Chem Ltd ポリカーボネート系化合物の製造方法
JPH03292340A (ja) 1990-04-11 1991-12-24 Teijin Chem Ltd ポリカーボネートの製造法
JPH03292341A (ja) 1990-04-11 1991-12-24 Teijin Chem Ltd ポリカーボネートの製造法
EP0541114A2 (en) 1991-10-28 1993-05-12 Chang Shih Chang The process to recover salt from brine waste water
JPH08245780A (ja) 1995-03-08 1996-09-24 Idemitsu Petrochem Co Ltd ポリカーボネートの製造方法
DE19510063A1 (de) 1995-03-20 1996-09-26 Bayer Antwerpen Nv Verfahren zur Reinigung von phenolhaltigem Prozeßabwasser
EP1200359A1 (de) 1999-06-18 2002-05-02 Bayer Aktiengesellschaft Verfahren zum abbau organischer verbindungen in wasser
WO2001038419A1 (en) 1999-11-29 2001-05-31 General Electric Company Method and apparatus for the production of polycarbonates with brine recycling
US6340736B1 (en) 1999-11-29 2002-01-22 General Electric Company Method and apparatus for the production of polycarbonates with brine recycling
WO2003070639A1 (de) 2002-02-22 2003-08-28 Bayer Materialscience Ag Aufbereitung von kochsalz enthaltenden abwässern zum einsatz in der chlor-alkali-elektrolyse

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
ASTM E 313
Chemistry and Physics of Polycarbonates, Polymer Reviews, H. Schnell, Vol. 9, John Wiley and Sons, Inc. (1964), S. 50/51
D. G. Legrand, J. T. Bendler, Handbook of Polycarbonate Science and Technology, Marcel Dekker New York 2000, S. 72 ff.
H. Schnell, Chemistry and Physics of Polycarbonates, Interscience Publishers, New York 1964, S. 28 ff; S. 102 ff
ISO 1628/4
MELIN; RAUTENBACH, Membranverfahren; SPRINGER, BERLIN, 2003
Peter Schmittinger, CHLORINE, Wiley-VCH Verlag, 2000

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017001513A1 (de) * 2015-07-01 2017-01-05 Covestro Deutschland Ag Osmotisches destillationsverfahren zum konzentrieren einer kochsalzhaltigen flüssigkeit
CN107810044A (zh) * 2015-07-01 2018-03-16 科思创德国股份有限公司 用于浓缩含有氯化钠的液体的渗透蒸馏方法
US10640399B2 (en) 2015-07-01 2020-05-05 Covestro Deutschland Ag Osmotic distillation process for concentrating a liquid containing sodium chloride
CN107810044B (zh) * 2015-07-01 2021-05-25 科思创德国股份有限公司 用于浓缩含有氯化钠的液体的渗透蒸馏方法

Also Published As

Publication number Publication date
CN102010505B (zh) 2014-07-16
SG166762A1 (en) 2010-12-29
JP5600268B2 (ja) 2014-10-01
US20100324256A1 (en) 2010-12-23
EP2286898B1 (de) 2015-09-23
KR101752915B1 (ko) 2017-07-03
TW201111412A (en) 2011-04-01
US8106144B2 (en) 2012-01-31
EP2286898A1 (de) 2011-02-23
JP2011012257A (ja) 2011-01-20
CN102010505A (zh) 2011-04-13
TWI481642B (zh) 2015-04-21
KR20100130959A (ko) 2010-12-14

Similar Documents

Publication Publication Date Title
EP2286898B1 (de) Verfahren zur Herstellung von Polycarbonat
EP1894914B1 (de) Verfahren zur Herstellung von Diarylcarbonat
EP2229343B1 (de) Verfahren zur herstellung von diarylcarbonat
EP2096131B1 (de) Verfahren zur Herstellung von Polycarbonat
EP3497266B1 (de) Verfahren zur elektrochemischen reinigung von chlorid-haltigen prozesslösungen
DE102008023800A1 (de) Alkylphenol zur Einstellung des Molekulargewichtes und Copolycarbonat mit verbesserten Eigenschaften
DE102009032020A1 (de) Verfahren zur Herstellung von Polycarbonat
US20220145006A1 (en) Process for conditioning and reusing salt-containing process water
EP2241550B1 (de) Verfahren zur Herstellung von Diarylcarbonat
WO2006032401A1 (de) Verfahren zur herstellung von polycarbonat
HK1136591A (en) Process for the preparation of polycarbonate
WO2022229245A1 (de) Verfahren zur herstellung von polycarbonat mit verbesserter nachhaltigkeit

Legal Events

Date Code Title Description
R081 Change of applicant/patentee

Owner name: BAYER INTELLECTUAL PROPERTY GMBH, DE

Free format text: FORMER OWNER: BAYER MATERIALSCIENCE AKTIENGESELLSCHAFT, 51373 LEVERKUSEN, DE

Effective date: 20140317

R120 Application withdrawn or ip right abandoned
R120 Application withdrawn or ip right abandoned

Effective date: 20141216