CA1019886A - Process for preparing polycarbonates - Google Patents

Process for preparing polycarbonates

Info

Publication number
CA1019886A
CA1019886A CA 183947 CA183947A CA1019886A CA 1019886 A CA1019886 A CA 1019886A CA 183947 CA183947 CA 183947 CA 183947 A CA183947 A CA 183947A CA 1019886 A CA1019886 A CA 1019886A
Authority
CA
Grant status
Grant
Patent type
Prior art keywords
process
preparing
polycarbonates
preparing polycarbonates
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
CA 183947
Inventor
Eckart Reese
Rudolf Binsack
Hugo Vernaleken
Heinrich Haupt
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
Grant date

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/04Aromatic polycarbonates
    • C08G64/06Aromatic polycarbonates not containing aliphatic unsaturation
    • C08G64/14Aromatic polycarbonates not containing aliphatic unsaturation containing a chain-terminating or -crosslinking agent
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/42Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
    • H01B3/421Polyesters
    • H01B3/426Polycarbonates
CA 183947 1972-11-09 1973-10-22 Process for preparing polycarbonates Expired CA1019886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19722254917 DE2254917B2 (en) 1972-11-09 1972-11-09 extrusion films processes for production of branched polycarbonates and their use for

Publications (1)

Publication Number Publication Date
CA1019886A true CA1019886A (en) 1977-10-25

Family

ID=5861267

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 183947 Expired CA1019886A (en) 1972-11-09 1973-10-22 Process for preparing polycarbonates

Country Status (8)

Country Link
US (1) US3931108A (en)
JP (1) JPS5328193B2 (en)
BE (1) BE807021A (en)
CA (1) CA1019886A (en)
DE (1) DE2254917B2 (en)
FR (1) FR2206355B1 (en)
GB (1) GB1432494A (en)
NL (1) NL176573C (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7314788A (en) * 1972-10-30 1974-05-02
DE2706126C2 (en) * 1977-02-14 1984-03-29 Bayer Ag, 5090 Leverkusen, De
DE2842005A1 (en) * 1978-09-27 1980-04-10 Bayer Ag Polycarbonates alkylphenyl end groups, their production and their use
US4514334A (en) * 1979-05-31 1985-04-30 General Electric Company Polyphenolic compounds
JPH0349930B2 (en) * 1982-04-26 1991-07-31 Idemitsu Kosan Co
JPS614726A (en) * 1984-06-19 1986-01-10 Mitsubishi Gas Chem Co Inc Polycarbonate resin optical molding
DE3524054A1 (en) * 1985-07-05 1987-01-08 Bayer Ag Tetra- (hydroxyaryl) bis-quinoxalines, their preparation and their use polycarbonate as a branching agent for thermoplastic
US4680370A (en) * 1985-09-30 1987-07-14 The Dow Chemical Company Branched polycarbonate composition from tris(hydroxyaryl)phosphorus compound
CA1279065C (en) * 1985-11-25 1991-01-15 Thomas Gerard Shannon Crosslinkable polycyclic polycarbonate oligomers and methods for their preparation and use
US4717437A (en) * 1986-06-03 1988-01-05 The United States Of America As Represented By The Secretary Of The Air Force Low modulus damping film
US4775739A (en) * 1986-06-18 1988-10-04 Mitsubishi Chemical Industries Limited Process for producing polycarbonate resin with tertiary alryl phenol molecular weight modifier
US4888400A (en) * 1989-01-17 1989-12-19 General Electric Company Preparation of branched thermoplastic polycarbonate from polycarbonate and polyhydric phenol
EP0400478A3 (en) * 1989-06-01 1992-02-19 General Electric Company Branched polycarbonates and method of preparation
US5508359A (en) * 1993-11-22 1996-04-16 The Dow Chemical Company Blends of high MW branched polycarbonate with a lower MW polycarbonate
US5552224A (en) * 1993-11-22 1996-09-03 The Dow Chemical Company Carbonate blend polymer compositions comprising a high molecular weight branched carbonate polymer component and methods for their preparation
EP1035151A4 (en) * 1997-11-27 2001-09-05 Idemitsu Petrochemical Co Branched polycarbonate resin

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA715142A (en) * 1965-08-03 H. Reinking Norman Pressure sensitive resins and process for preparing same
US3646102A (en) * 1968-08-28 1972-02-29 Idemitsu Kosan Co Method for continuously preparing polycarbonate oligomer

Also Published As

Publication number Publication date Type
DE2254917A1 (en) 1974-05-30 application
DE2254917B2 (en) 1976-10-21 application
JPS49134756A (en) 1974-12-25 application
GB1432494A (en) 1976-04-14 application
NL176573C (en) 1985-05-01 grant
NL7315202A (en) 1974-05-13 application
BE807021A (en) 1974-05-07 grant
JPS5328193B2 (en) 1978-08-12 grant
JP947703C (en) grant
FR2206355B1 (en) 1977-03-11 grant
BE807021A1 (en) grant
FR2206355A1 (en) 1974-06-07 application
US3931108A (en) 1976-01-06 grant
CA1019886A1 (en) grant

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