ITRM930808A1 - PROCEDURE FOR THE PRODUCTION OF POLYCARBONATES. - Google Patents

PROCEDURE FOR THE PRODUCTION OF POLYCARBONATES.

Info

Publication number
ITRM930808A1
ITRM930808A1 IT000808A ITRM930808A ITRM930808A1 IT RM930808 A1 ITRM930808 A1 IT RM930808A1 IT 000808 A IT000808 A IT 000808A IT RM930808 A ITRM930808 A IT RM930808A IT RM930808 A1 ITRM930808 A1 IT RM930808A1
Authority
IT
Italy
Prior art keywords
polycarbonates
procedure
production
Prior art date
Application number
IT000808A
Other languages
Italian (it)
Inventor
Wolfgang Herrig
Uwe Hucks
Jurgen Kadelka
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 ITRM930808A0 publication Critical patent/ITRM930808A0/en
Publication of ITRM930808A1 publication Critical patent/ITRM930808A1/en
Application granted granted Critical
Publication of IT1266448B1 publication Critical patent/IT1266448B1/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
    • G11B7/2534—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins polycarbonates [PC]
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
IT93RM000808A 1992-12-10 1993-12-07 PROCEDURE FOR THE PRODUCTION OF POLYCARBONATES. IT1266448B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4241619A DE4241619C2 (en) 1992-12-10 1992-12-10 Process for the production of polycarbonates

Publications (3)

Publication Number Publication Date
ITRM930808A0 ITRM930808A0 (en) 1993-12-07
ITRM930808A1 true ITRM930808A1 (en) 1995-06-07
IT1266448B1 IT1266448B1 (en) 1996-12-30

Family

ID=6474894

Family Applications (1)

Application Number Title Priority Date Filing Date
IT93RM000808A IT1266448B1 (en) 1992-12-10 1993-12-07 PROCEDURE FOR THE PRODUCTION OF POLYCARBONATES.

Country Status (6)

Country Link
JP (1) JP3219923B2 (en)
CN (1) CN1037688C (en)
BE (1) BE1007820A4 (en)
DE (1) DE4241619C2 (en)
IT (1) IT1266448B1 (en)
NL (1) NL195013C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0011747A (en) * 1999-06-18 2002-03-05 Bayer Ag Process for the degradation of organic compounds in water
DE102004061715A1 (en) * 2004-12-22 2006-07-06 Bayer Materialscience Ag Process for the preparation of polycarbonates
CN1303131C (en) * 2005-05-26 2007-03-07 中国科学院长春应用化学研究所 Process for preparing poly carbonate ester
CN106478934B (en) * 2015-08-24 2018-05-15 万华化学集团股份有限公司 A kind of preparation method of makrolon
CN107654016A (en) * 2017-10-20 2018-02-02 福建名盾建材有限公司 A kind of production technology of Light trabses

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH554908A (en) * 1971-01-15 1974-10-15 Basf Ag PROCESS FOR THE CONTINUOUS MANUFACTURING OF HIGH MOLECULAR, LINEAR POLYCARBONATES.
US4025489A (en) * 1975-01-27 1977-05-24 Mobay Chemical Corporation Utilization of bisphenol-A from the alkaline phase generated in the production of polycarbonates
JP2528331B2 (en) * 1987-09-05 1996-08-28 出光石油化学株式会社 Manufacturing method of polycarbonate
NL9001888A (en) * 1990-08-29 1992-03-16 Gen Electric PROCESS FOR THE CONTINUOUS PREPARATION OF CARBONATE OLIGOMERS.
DE4118232A1 (en) * 1991-06-04 1992-12-10 Bayer Ag CONTINUOUS PREPARATION OF POLYCARBONATES
DE4239131C2 (en) * 1992-11-20 1998-04-09 Bayer Ag Process for the production of polycarbonates

Also Published As

Publication number Publication date
CN1088593A (en) 1994-06-29
DE4241619A1 (en) 1994-06-16
IT1266448B1 (en) 1996-12-30
BE1007820A4 (en) 1995-10-31
NL195013C (en) 2003-06-10
ITRM930808A0 (en) 1993-12-07
JPH07324127A (en) 1995-12-12
DE4241619C2 (en) 1998-04-09
JP3219923B2 (en) 2001-10-15
NL9301961A (en) 1994-07-01
CN1037688C (en) 1998-03-11

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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: 19961210