IT1002805B - Procedimento per la preparazione continua di policarbonat - Google Patents

Procedimento per la preparazione continua di policarbonat

Info

Publication number
IT1002805B
IT1002805B IT48036/74A IT4803674A IT1002805B IT 1002805 B IT1002805 B IT 1002805B IT 48036/74 A IT48036/74 A IT 48036/74A IT 4803674 A IT4803674 A IT 4803674A IT 1002805 B IT1002805 B IT 1002805B
Authority
IT
Italy
Prior art keywords
polycarbonat
procedure
continuous preparation
continuous
preparation
Prior art date
Application number
IT48036/74A
Other languages
English (en)
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of IT1002805B publication Critical patent/IT1002805B/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
    • C08G64/205—General preparatory processes characterised by the apparatus used

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)
IT48036/74A 1973-02-02 1974-01-30 Procedimento per la preparazione continua di policarbonat IT1002805B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2305144A DE2305144C2 (de) 1973-02-02 1973-02-02 Verfahren zur kontinuierlichen Herstellung von Polycarbonaten

Publications (1)

Publication Number Publication Date
IT1002805B true IT1002805B (it) 1976-05-20

Family

ID=5870762

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48036/74A IT1002805B (it) 1973-02-02 1974-01-30 Procedimento per la preparazione continua di policarbonat

Country Status (10)

Country Link
US (1) US3945969A (it)
JP (1) JPS49116195A (it)
BE (1) BE810558A (it)
CA (1) CA1018696A (it)
DD (1) DD109647A5 (it)
DE (1) DE2305144C2 (it)
FR (1) FR2216314B3 (it)
GB (1) GB1448501A (it)
IT (1) IT1002805B (it)
NL (1) NL7401368A (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2735775A1 (de) * 1977-08-09 1979-02-22 Bayer Ag Verfahren zur herstellung von polycarbonaten
DE2932737C2 (de) 1979-08-13 1983-04-21 Akzo Gmbh, 5600 Wuppertal Polycarbonat-Polyätherblockcopolymere
DE3102228C2 (de) * 1980-01-25 1986-01-02 Kalininskij politechničeskij institut, Kalinin Verfahren zur Herstellung von Fibriden synthetischer Heterokettenpolymerer und Vorrichtung zur Durchführung des Verfahrens
US4529791A (en) * 1981-01-28 1985-07-16 The Dow Chemical Company Interfacial polycarbonate preparation by adding additional solvent
US4847352A (en) * 1987-08-26 1989-07-11 The Dow Chemical Company Polycarbonate production with motionless mixer
US5037941A (en) * 1988-12-06 1991-08-06 The Dow Chemical Company Interfacial preparation of polycarbonate prepolymer with motionless mixer
US5037942A (en) * 1990-03-28 1991-08-06 The Dow Chemical Company Continuous motionless mixer reactor process for the production of branched polycarbonate
DE4118232A1 (de) * 1991-06-04 1992-12-10 Bayer Ag Kontinuierliche herstellung von polycarbonaten
DE4121212A1 (de) * 1991-06-27 1993-01-14 Bayer Ag Verfahren zur herstellung von polycarbonat
JP2569239B2 (ja) * 1991-07-01 1997-01-08 帝人化成株式会社 光学用ポリカーボネートの製造法
JP2608201B2 (ja) * 1991-07-19 1997-05-07 帝人化成株式会社 ポリカ−ボネ−トオリゴマ−の連続的製造法
US5412060A (en) * 1991-08-20 1995-05-02 Bayer Aktiengesellschaft Process for the production of polycarbonate of constant viscosity
DE4129545C1 (en) * 1991-09-05 1993-04-15 Bayer Ag, 5090 Leverkusen, De Prodn. of finely divided aq. sodium bis:phenolate - by mixing bisphenol=A with sodium hydroxide to ppte. prod. and stirring vigorously
DE4129546C1 (it) * 1991-09-05 1993-04-15 Bayer Ag, 5090 Leverkusen, De
US5380814A (en) * 1992-06-16 1995-01-10 Mitsui Toatsu Chemicals, Inc. Aromatic polycarbonate and process for production thereof
DE4239131C2 (de) * 1992-11-20 1998-04-09 Bayer Ag Verfahren zur Herstellung von Polycarbonaten
US5508375A (en) * 1992-12-10 1996-04-16 Bayer Aktiengesellschaft Process for the preparation of polycarbonates
US5852156A (en) * 1995-08-14 1998-12-22 Asahi Kasei Kogyo Kabushiki Kaisha Polycarbonate composition
US6340736B1 (en) 1999-11-29 2002-01-22 General Electric Company Method and apparatus for the production of polycarbonates with brine recycling
US20030111415A1 (en) * 2001-12-10 2003-06-19 General Electric Company Solution filtration method for polycarbonate purification
US6907691B2 (en) * 2002-06-26 2005-06-21 Stewart C. Miller Cultivation of morchella
DE102004061754A1 (de) * 2004-12-22 2006-07-06 Bayer Materialscience Ag Substratmaterialien für transparente Spritzgussteile
DE102004061753A1 (de) * 2004-12-22 2006-07-06 Bayer Materialscience Ag Substratmaterialien für transparente Spritzgussteile

Family Cites Families (4)

* 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
BE666636A (it) * 1965-07-09 1965-11-03
US3674740A (en) * 1969-04-22 1972-07-04 Bayer Ag Process of producing polycarbonate
CH554908A (de) * 1971-01-15 1974-10-15 Basf Ag Verfahren zur kontinuierlichen herstellung hochmolekularer, linearer polycarbonate.

Also Published As

Publication number Publication date
FR2216314B3 (it) 1976-11-26
NL7401368A (it) 1974-08-06
US3945969A (en) 1976-03-23
CA1018696A (en) 1977-10-04
GB1448501A (en) 1976-09-08
JPS49116195A (it) 1974-11-06
DE2305144A1 (de) 1974-08-08
BE810558A (fr) 1974-08-05
DD109647A5 (it) 1974-11-12
FR2216314A1 (it) 1974-08-30
DE2305144C2 (de) 1982-05-06

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