ITMI932479A0 - Processo per la produzione di policarbonati - Google Patents

Processo per la produzione di policarbonati

Info

Publication number
ITMI932479A0
ITMI932479A0 ITMI932479A ITMI932479A ITMI932479A0 IT MI932479 A0 ITMI932479 A0 IT MI932479A0 IT MI932479 A ITMI932479 A IT MI932479A IT MI932479 A ITMI932479 A IT MI932479A IT MI932479 A0 ITMI932479 A0 IT MI932479A0
Authority
IT
Italy
Prior art keywords
polycarbonates
production
Prior art date
Application number
ITMI932479A
Other languages
English (en)
Inventor
Wolfgang Alewelt
Steffen Kuhling
Hermann Kauth
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 ITMI932479A0 publication Critical patent/ITMI932479A0/it
Publication of ITMI932479A1 publication Critical patent/ITMI932479A1/it
Application granted granted Critical
Publication of IT1265214B1 publication Critical patent/IT1265214B1/it

Links

Classifications

    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials
IT93MI002479A 1992-12-03 1993-11-23 Processo per la produzione di policarbonati IT1265214B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4240587A DE4240587A1 (de) 1992-12-03 1992-12-03 Verfahren zur Herstellung von Polycarbonaten

Publications (3)

Publication Number Publication Date
ITMI932479A0 true ITMI932479A0 (it) 1993-11-23
ITMI932479A1 ITMI932479A1 (it) 1995-05-23
IT1265214B1 IT1265214B1 (it) 1996-10-31

Family

ID=6474240

Family Applications (1)

Application Number Title Priority Date Filing Date
IT93MI002479A IT1265214B1 (it) 1992-12-03 1993-11-23 Processo per la produzione di policarbonati

Country Status (6)

Country Link
US (1) US5444148A (it)
JP (1) JP3218134B2 (it)
BE (1) BE1007816A3 (it)
DE (1) DE4240587A1 (it)
IT (1) IT1265214B1 (it)
NL (1) NL9302110A (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3866299B2 (ja) * 1993-07-06 2007-01-10 出光興産株式会社 ポリカーボネートの製造方法
DE69706259T2 (de) * 1996-04-11 2002-06-13 Teijin Ltd Verfahren zur herstellung von aromatischem polycarbonatharz
US6323302B1 (en) 1998-04-27 2001-11-27 Teijin Limited Carbonic acid diester, aromatic polycarbonate and facilities, and preparation thereof
CN1174021C (zh) * 2000-07-24 2004-11-03 帝人株式会社 芳族聚碳酸酯的生产方法
KR100467668B1 (ko) * 2002-08-07 2005-01-24 씨제이 주식회사 1,2,4-트리아졸 유도체, 그 제조방법 및 약제학적 조성물
KR100470075B1 (ko) * 2002-11-21 2005-02-05 씨제이 주식회사 1,2,4-트리아졸 유도체, 그 제조방법 및 약제학적 조성물
CN102731763B (zh) 2007-07-31 2014-11-05 三菱化学株式会社 聚碳酸酯树脂及其制备方法
CN116355193A (zh) * 2023-03-20 2023-06-30 江苏奥克化学有限公司 一种聚碳酸酯多元醇的制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014891A (en) * 1961-12-26 Resinous compositions
US3153008A (en) * 1955-07-05 1964-10-13 Gen Electric Aromatic carbonate resins and preparation thereof
US2964797A (en) * 1956-05-17 1960-12-20 Bayer Ag Wrapping foils of high molecular thermoplastic polycarbonates
US3282893A (en) * 1961-07-03 1966-11-01 Union Carbide Corp Process for preparing synthetic resins
US4297455A (en) * 1977-03-22 1981-10-27 Bayer Aktiengesellschaft Process for the preparation of carbonic acid aryl esters of polyester-diols lengthened via carbonate groups and their use for the preparation of polyester-diol bis-diphenol carbonates and polyester/polycarbonates
DE2837526A1 (de) * 1978-08-28 1980-03-20 Bayer Ag Verfahren zur herstellung von polymeren mit diphenolcarbonat-endgruppen
FR2450267A1 (fr) * 1979-03-02 1980-09-26 Rhone Poulenc Ind Copolyesters aromatiques thermotropes et leurs procedes de preparation
US4330664A (en) * 1979-12-26 1982-05-18 General Electric Company Polycarbonate transesterification with catalyst containing aluminum hydride or borohydride group
DE3941014A1 (de) * 1989-12-12 1991-06-13 Bayer Ag Zweistufen-verfahren zur herstellung von polycarbonaten auf basis von speziellen dihydroxydiphenylalkanen
DE4038967A1 (de) * 1989-12-13 1991-06-20 Bayer Ag 2-stufen-verfahren zur herstellung von halogenarmen aromatischen polycarbonaten
DE4032924A1 (de) * 1990-10-17 1992-04-23 Bayer Ag Verfahren zur herstellung von loesungsmittelfreiem polycarbonat

Also Published As

Publication number Publication date
ITMI932479A1 (it) 1995-05-23
JPH06206996A (ja) 1994-07-26
BE1007816A3 (fr) 1995-10-31
IT1265214B1 (it) 1996-10-31
US5444148A (en) 1995-08-22
NL9302110A (nl) 1994-07-01
JP3218134B2 (ja) 2001-10-15
DE4240587A1 (de) 1994-06-09

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971126