NL194888B - Werkwijze voor het splitsen van aromatische polycarbonaten. - Google Patents

Werkwijze voor het splitsen van aromatische polycarbonaten.

Info

Publication number
NL194888B
NL194888B NL9400579A NL9400579A NL194888B NL 194888 B NL194888 B NL 194888B NL 9400579 A NL9400579 A NL 9400579A NL 9400579 A NL9400579 A NL 9400579A NL 194888 B NL194888 B NL 194888B
Authority
NL
Netherlands
Prior art keywords
splitting
aromatic polycarbonates
polycarbonates
aromatic
splitting aromatic
Prior art date
Application number
NL9400579A
Other languages
English (en)
Other versions
NL9400579A (nl
NL194888C (nl
Inventor
Hans-Josef Buysch
Norbert Schoen
Steffen Kuehling
Heinrich Hohnsen
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 NL9400579A publication Critical patent/NL9400579A/nl
Publication of NL194888B publication Critical patent/NL194888B/nl
Application granted granted Critical
Publication of NL194888C publication Critical patent/NL194888C/nl

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C68/00—Preparation of esters of carbonic or haloformic acids
    • C07C68/06—Preparation of esters of carbonic or haloformic acids from organic carbonates
    • 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
    • C08G64/42—Chemical after-treatment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/06—Reactor-distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Polyethers (AREA)
  • Materials For Medical Uses (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
NL9400579A 1993-04-13 1994-04-12 Werkwijze voor het splitsen van aromatische polycarbonaten. NL194888C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4312037 1993-04-13
DE4312037A DE4312037A1 (de) 1993-04-13 1993-04-13 Verfahren zur Spaltung von Polycarbonaten

Publications (3)

Publication Number Publication Date
NL9400579A NL9400579A (nl) 1994-11-01
NL194888B true NL194888B (nl) 2003-02-03
NL194888C NL194888C (nl) 2003-06-04

Family

ID=6485369

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9400579A NL194888C (nl) 1993-04-13 1994-04-12 Werkwijze voor het splitsen van aromatische polycarbonaten.

Country Status (6)

Country Link
US (1) US5440066A (nl)
JP (1) JPH06340591A (nl)
BE (1) BE1008317A3 (nl)
DE (1) DE4312037A1 (nl)
IT (1) IT1272198B (nl)
NL (1) NL194888C (nl)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1269884B (it) * 1994-06-03 1997-04-15 Enichem Sintesi Metodo per la rimozione dei contaminanti acidi e salini dalla fase condensata dell'effluente di reazione in un processo per la sintesi di dimetilcarbonato
JP2002121321A (ja) * 2000-10-12 2002-04-23 National Institute Of Advanced Industrial & Technology ポリカーボネート樹脂の油化方法
EP1439158A4 (en) * 2001-10-26 2005-01-05 Teijin Ltd PROCESS FOR DEPOLYMERIZING AROMATIC POLYCARBONATE
US7151189B2 (en) * 2003-06-19 2006-12-19 General Electric Company Method and apparatus for waste stream recovery
US8680226B1 (en) 2012-12-21 2014-03-25 Saudi Basic Industries Corporation Method for alcoholysis of acrylonitrile-butadiene-styrene-containing polycarbonate compositions
US8846858B2 (en) 2012-12-21 2014-09-30 Saudi Basic Industries Corporation Method for alcoholysis of polycarbonate compositions containing flame retardant or acrylonitrile-butadiene-styrene
US8680227B1 (en) 2012-12-21 2014-03-25 Saudi Basic Industries Corporation Manufacture of dihydroxy aromatic compounds by alcoholysis of polycarbonate-containing compositions
EP2746249B1 (en) 2012-12-21 2017-06-07 Saudi Basic Industries Corporation Manufacture of dihydroxy aromatic compounds by alcoholysis of flame retardant-containing polycarbonate compositions
CN105301160A (zh) * 2015-11-02 2016-02-03 万特制药(海南)有限公司 一种用气相色谱法分离测定克利贝特中间体化学纯度的方法
WO2022113847A1 (ja) * 2020-11-27 2022-06-02 三菱ケミカル株式会社 ポリカーボネート樹脂の分解方法、ビスフェノールの製造方法、炭酸ジアルキルの製造方法、炭酸アルキルアリールの製造方法、炭酸ジアリールの製造方法、再生ポリカーボネート樹脂の製造方法、エポキシ樹脂の製造方法及びエポキシ樹脂硬化物の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1155452B (de) * 1961-06-02 1963-10-10 Bayer Ag Verfahren zur Gewinnung aromatischer Dihydroxyverbindungen und Kohlensaeureester durch Spalten von Polycarbonaten aromatischer Dihydroxyverbindungen
EP0461274B1 (en) * 1989-12-28 1994-06-15 Asahi Kasei Kogyo Kabushiki Kaisha Process for continuously producing aromatic carbonate
DE4141954A1 (de) * 1991-12-19 1993-06-24 Bayer Ag Verfahren zum spalten von polycarbonaten

Also Published As

Publication number Publication date
IT1272198B (it) 1997-06-16
DE4312037A1 (de) 1994-10-20
ITRM940203A0 (it) 1994-04-11
ITRM940203A1 (it) 1995-10-11
BE1008317A3 (fr) 1996-04-02
NL9400579A (nl) 1994-11-01
US5440066A (en) 1995-08-08
JPH06340591A (ja) 1994-12-13
NL194888C (nl) 2003-06-04

Similar Documents

Publication Publication Date Title
NL194919B (nl) Werkwijze voor het oxideren van koolhydraten.
IT1267170B1 (it) Cerniera per mobili.
NL1000292C2 (nl) Systeem voor behandeling van patronen.
NL194967B (nl) Werkwijze voor de bereiding van aromatische polycarbonaten.
NL194351B (nl) Kolomautomaat voor het vrijgeven van produkten.
NL194888B (nl) Werkwijze voor het splitsen van aromatische polycarbonaten.
DK0721522T3 (da) Iriserende stoffer.
NL1001254C2 (nl) Systeem voor het behandelen van houders.
TR27386A (tr) Tecrit etme islemleri.
NL194194B (nl) Verkoopstelling voor flessen.
NL194799B (nl) Werkwijze voor het isoleren van thermoplastische aromatische polycarbonaten uit oplossingen hiervan.
NL193052B (nl) Werkwijze voor het verwerken van mosselen.
FR2703246B1 (fr) Cannes anglaises-béquilles.
NL9301367A (nl) Werkwijze voor het mengen.
NL194948B (nl) Werkwijze voor het bereiden van aromatische polycarbonaten.
NL193716B (nl) Werkwijze voor het bereiden van worst.
NL194530B (nl) Takhouder, alsmede plano voor het vormen hiervan.
NL194471B (nl) Werkwijze voor het oxideren van koolhydraten.
NL193063B (nl) Grijpinrichting voor laadkisten.
NL194986B (nl) Werkwijze voor het verwerken van champignonvoetjes.
BR9403036A (pt) Cobertura para alto-falantes.
NL192096B (nl) Werkwijze voor het machinaal vervaardigen van brochures.
ES1024756Y (es) Bandeja portaequipajes para automoviles.
ES1025279Y (es) Plataforma de carga para lunas pequeñas.
ES1025362Y (es) Estuche para botellas.

Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V2 Lapsed due to non-payment of the last due maintenance fee for the patent application

Effective date: 20031101