CA1054744A - Process for preparing polycarbonates - Google Patents

Process for preparing polycarbonates

Info

Publication number
CA1054744A
CA1054744A CA227648A CA227648A CA1054744A CA 1054744 A CA1054744 A CA 1054744A CA 227648 A CA227648 A CA 227648A CA 227648 A CA227648 A CA 227648A CA 1054744 A CA1054744 A CA 1054744A
Authority
CA
Canada
Prior art keywords
dihydric phenol
alkali metal
reaction
gluconic acid
bis
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
CA227648A
Other languages
English (en)
French (fr)
Other versions
CA227648S (en
Inventor
Gary W. Ragsdale
Jorgen H. Vestergaard
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of CA1054744A publication Critical patent/CA1054744A/en
Expired legal-status Critical Current

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
    • C08G64/20General preparatory processes
    • C08G64/22General preparatory processes using carbonyl halides
    • C08G64/24General 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)
CA227648A 1974-05-31 1975-05-23 Process for preparing polycarbonates Expired CA1054744A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/475,131 US3943101A (en) 1974-05-31 1974-05-31 Process for preparing polycarbonates with a metal chelating agent

Publications (1)

Publication Number Publication Date
CA1054744A true CA1054744A (en) 1979-05-15

Family

ID=23886317

Family Applications (1)

Application Number Title Priority Date Filing Date
CA227648A Expired CA1054744A (en) 1974-05-31 1975-05-23 Process for preparing polycarbonates

Country Status (6)

Country Link
US (1) US3943101A (https=)
JP (1) JPS5921891B2 (https=)
CA (1) CA1054744A (https=)
DE (1) DE2520861A1 (https=)
IT (1) IT1038379B (https=)
NL (1) NL7506323A (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5731348Y2 (https=) * 1976-02-20 1982-07-09
DE3706205A1 (de) * 1987-02-26 1988-09-08 Bayer Ag Verfahren zur herstellung von polycarbonatloesungen
US4921940A (en) * 1988-08-15 1990-05-01 Xerox Corporation Process for the purification of Ti containing polycarbonate with solvent, complexing agent and water
EP2820065B1 (en) * 2012-02-28 2017-01-11 SABIC Global Technologies B.V. Processes for preparing polycarbonates with enhanced optical properties
EP3939957A4 (en) 2019-03-14 2022-05-18 Mitsubishi Chemical Corporation BISPHENOL COMPOSITION AND POLYCARBONATE RESIN

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB882049A (en) * 1958-12-03 1961-11-08 Union Carbide Corp Improvements in and relating to polycarbonates
US3635895A (en) * 1965-09-01 1972-01-18 Gen Electric Process for preparing thermoplastic polycarbonates
US3492268A (en) * 1967-01-13 1970-01-27 Mobay Chemical Corp Polycarbonates of improved color properties
US3763063A (en) * 1972-06-14 1973-10-02 Gen Electric Color stabilized polycarbonate composition containing a cadmium or cerium salt of an alkanoic acid an alkanoic acid and an organic phosphite

Also Published As

Publication number Publication date
DE2520861A1 (de) 1975-12-11
JPS5921891B2 (ja) 1984-05-23
NL7506323A (nl) 1975-12-02
JPS512797A (https=) 1976-01-10
US3943101A (en) 1976-03-09
IT1038379B (it) 1979-11-20

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