FR2204647A1 - Polycarbonates prodn. with control of alkalinity - during phosgenation of bisphenol A and polycondensation for improved thermal stability and impact strength - Google Patents

Polycarbonates prodn. with control of alkalinity - during phosgenation of bisphenol A and polycondensation for improved thermal stability and impact strength

Info

Publication number
FR2204647A1
FR2204647A1 FR7338199A FR7338199A FR2204647A1 FR 2204647 A1 FR2204647 A1 FR 2204647A1 FR 7338199 A FR7338199 A FR 7338199A FR 7338199 A FR7338199 A FR 7338199A FR 2204647 A1 FR2204647 A1 FR 2204647A1
Authority
FR
France
Prior art keywords
polycarbonates
bisphenol
prodn
alkalinity
polycondensation
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.)
Granted
Application number
FR7338199A
Other languages
English (en)
French (fr)
Other versions
FR2204647B1 (enExample
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
Publication of FR2204647A1 publication Critical patent/FR2204647A1/fr
Application granted granted Critical
Publication of FR2204647B1 publication Critical patent/FR2204647B1/fr
Granted 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)
FR7338199A 1972-10-30 1973-10-26 Polycarbonates prodn. with control of alkalinity - during phosgenation of bisphenol A and polycondensation for improved thermal stability and impact strength Granted FR2204647A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30225272A 1972-10-30 1972-10-30

Publications (2)

Publication Number Publication Date
FR2204647A1 true FR2204647A1 (en) 1974-05-24
FR2204647B1 FR2204647B1 (enExample) 1980-08-01

Family

ID=23166945

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7338199A Granted FR2204647A1 (en) 1972-10-30 1973-10-26 Polycarbonates prodn. with control of alkalinity - during phosgenation of bisphenol A and polycondensation for improved thermal stability and impact strength

Country Status (5)

Country Link
JP (1) JPS5720961B2 (enExample)
DE (1) DE2353938A1 (enExample)
FR (1) FR2204647A1 (enExample)
IT (1) IT998852B (enExample)
NL (1) NL7314789A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2928444A1 (de) * 1979-07-13 1981-03-12 Bayer Ag, 5090 Leverkusen Aufarbeitungsverfahren fuer polycarbonate.
JPH0521860U (ja) * 1991-09-06 1993-03-23 杉山金属株式会社 食器洗浄器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1300266B (de) * 1960-06-10 1969-07-31 Bayer Ag Verfahren zur Herstellung hochmolekularer, linearer Polycarbonate
US3376261A (en) * 1966-03-16 1968-04-02 Eastman Kodak Co Process for preparing polycarbonates
US3674740A (en) * 1969-04-22 1972-07-04 Bayer Ag Process of producing polycarbonate

Also Published As

Publication number Publication date
FR2204647B1 (enExample) 1980-08-01
JPS5720961B2 (enExample) 1982-05-04
DE2353938A1 (de) 1974-05-02
JPS4997893A (enExample) 1974-09-17
IT998852B (it) 1976-02-20
NL7314789A (enExample) 1974-05-02

Similar Documents

Publication Publication Date Title
GB1526373A (en) Process for preparing a branched polycarbonate
IE35303B1 (en) Process for the manufacture of hexamethylenediamine
GB1448501A (en) Continuous production of polycarbonates
FR2204647A1 (en) Polycarbonates prodn. with control of alkalinity - during phosgenation of bisphenol A and polycondensation for improved thermal stability and impact strength
ES429500A1 (es) Procedimiento para la carboxilacion de alcoholes.
GB1510024A (en) Process for recovering methionine and potassium from recycle solutions
GB1429352A (en) Manufacture of sodium pyrosulphite
GB1409614A (en) Process for preparing aromatic carbonate polymers
ES464828A1 (es) Procedimiento de fabricacion de cloro y carbonato sodico mo-nohidratado.
ES343548A1 (es) Un procedimiento para la produccion de alfa-aminoacidos.
GB1347751A (en) Process for the production of hydrated potassium carbonate
GB1359667A (en) Preparation of ypsilon-methyl glutamate
GB1382738A (en) Process for producing diaminomaleonitrile
IT1058356B (it) Sistema di trasmissione di informazioni numeriche particolarmente utile per segnali video e.o telefonici
GB1306464A (en) Thermoplastic polyarylsulphone resin
SU468909A1 (ru) Способ получени муравьинокислого натри
GB1409351A (en) Process for preparing aromatic carbonate polymers
GB1049815A (en) A process for the production of crystalline calcium carbonate of vaterite type
GB1526678A (en) Urea reactor effluent solution recycle in urea synthesis
US1249314A (en) Production of sodium hydroxid.
FR2226388A1 (en) Epsilon-aminocaproamide prodn in liq. ammonia - by catalytic hydrogen-ation of epsilon -nitrocaproamide under pressure
GB1328055A (en) Process for preparing 2- beta-cyanoethyl-n-substituted acetal dimines
GB1307451A (en) Information transmission synchronization systems
SU469684A1 (ru) Способ выделени дигидроперекисей м-и-п-диизопропилбензола
FR2295118A1 (fr) Synthese d'hydrocarbures par decomposition thermique de carbonate suivie d'une reduction du gaz carbonique

Legal Events

Date Code Title Description
ST Notification of lapse