IT1002805B - Procedimento per la preparazione continua di policarbonat - Google Patents
Procedimento per la preparazione continua di policarbonatInfo
- 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
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)
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 (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2735775A1 (de) * | 1977-08-09 | 1979-02-22 | Bayer Ag | Verfahren zur herstellung von polycarbonaten |
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 |
DE4129546C1 (it) * | 1991-09-05 | 1993-04-15 | Bayer Ag, 5090 Leverkusen, De | |
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 |
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)
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. |
-
1973
- 1973-02-02 DE DE2305144A patent/DE2305144C2/de not_active Expired
-
1974
- 1974-01-23 CA CA190,920A patent/CA1018696A/en not_active Expired
- 1974-01-30 IT IT48036/74A patent/IT1002805B/it active
- 1974-01-31 GB GB447274A patent/GB1448501A/en not_active Expired
- 1974-01-31 NL NL7401368A patent/NL7401368A/xx unknown
- 1974-01-31 FR FR7403232A patent/FR2216314B3/fr not_active Expired
- 1974-02-01 US US05/438,753 patent/US3945969A/en not_active Expired - Lifetime
- 1974-02-01 DD DD176320A patent/DD109647A5/xx unknown
- 1974-02-02 JP JP49013323A patent/JPS49116195A/ja active Pending
- 1974-02-04 BE BE140510A patent/BE810558A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2216314B3 (it) | 1976-11-26 |
CA1018696A (en) | 1977-10-04 |
BE810558A (fr) | 1974-08-05 |
GB1448501A (en) | 1976-09-08 |
NL7401368A (it) | 1974-08-06 |
JPS49116195A (it) | 1974-11-06 |
DD109647A5 (it) | 1974-11-12 |
DE2305144A1 (de) | 1974-08-08 |
FR2216314A1 (it) | 1974-08-30 |
DE2305144C2 (de) | 1982-05-06 |
US3945969A (en) | 1976-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1002805B (it) | Procedimento per la preparazione continua di policarbonat | |
IT1007059B (it) | Procedimento per la conversione di idrocarburi | |
IT1015231B (it) | Procedimento per la fabbricazione di polieterimmidi | |
IT1025605B (it) | Procedimento per la preparazione di esametil tetralina | |
IT1029594B (it) | Procedimento per la produzione di benzochino | |
BE820234A (fr) | Preparation de 5-s-alkyl-m-cresols | |
RO70474A (ro) | PROCEDEU PENTRU PREPARAREA PARAXILENULёI | |
IT1015012B (it) | Dispositivo per la produzione continua di ghiaccio | |
RO72812A (ro) | Procedeu pentru prepararea de biclorura fenilfosfonoasa | |
IT1015555B (it) | Procedimento per la conversione di idrocarburi | |
IT1013202B (it) | Procedimento per la preparazione di urea | |
IT1021055B (it) | Procedimento per la preparazione di 2 2 6 6 tetrametil 4 ossopiperidina | |
IT1022223B (it) | Catalizzatore per la preparazione di etilenossido | |
IT979216B (it) | Apparecchio per la preparazione di bavande | |
TR17584A (tr) | Herbisid triazinlerinin hazirlanmasina mahsus usul | |
AR206610A1 (es) | Procedimiento de preparacion de 2-metoxi-5-sulfonil(sustituidos)-benzamidas-(-sustituidas | |
IT1006977B (it) | Procedimento per la preparazione di tricloruri di stagnoalchile superto ri | |
IT1024490B (it) | Procedimento per la produzione continua di solfato di alluminio | |
IT1018362B (it) | Fondente per la formazione di sovrametalli saldati | |
IT1018805B (it) | Procedimento per la produzione continua di tiofene | |
IT1025664B (it) | Procedimento per la preparazione di n trimetilsililacetammide | |
IT1030806B (it) | Procedimento per la produzione continua di nastri di laminato | |
IT1030841B (it) | Procedimento per la perparazione di n n n n tetrafenil diamminometano | |
IT1021948B (it) | Procedimento per la preparazione di antrachinoni i sostituiti | |
AR209281A1 (es) | Procedimiento de preparacion de derivados de ciclopropilfenilpirrolidina |