ITRM930758A1 - Procedimento per la produzione di policarbonati. - Google Patents
Procedimento per la produzione di policarbonati.Info
- Publication number
- ITRM930758A1 ITRM930758A1 IT000758A ITRM930758A ITRM930758A1 IT RM930758 A1 ITRM930758 A1 IT RM930758A1 IT 000758 A IT000758 A IT 000758A IT RM930758 A ITRM930758 A IT RM930758A IT RM930758 A1 ITRM930758 A1 IT RM930758A1
- Authority
- IT
- Italy
- Prior art keywords
- polycarbonates
- procedure
- production
- 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
- C08G64/40—Post-polymerisation treatment
-
- 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
- C08G64/22—General preparatory processes using carbonyl halides
- C08G64/24—General 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)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4239131A DE4239131C2 (de) | 1992-11-20 | 1992-11-20 | Verfahren zur Herstellung von Polycarbonaten |
Publications (3)
Publication Number | Publication Date |
---|---|
ITRM930758A0 ITRM930758A0 (it) | 1993-11-15 |
ITRM930758A1 true ITRM930758A1 (it) | 1995-05-15 |
IT1262439B IT1262439B (it) | 1996-06-19 |
Family
ID=6473317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITRM930758A IT1262439B (it) | 1992-11-20 | 1993-11-15 | Procedimento per la produzione di policarbonati. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5376741A (it) |
JP (1) | JP3219921B2 (it) |
CN (1) | CN1037445C (it) |
BE (1) | BE1007759A4 (it) |
DE (1) | DE4239131C2 (it) |
IT (1) | IT1262439B (it) |
NL (1) | NL195012C (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4241619C2 (de) * | 1992-12-10 | 1998-04-09 | Bayer Ag | Verfahren zur Herstellung von Polycarbonaten |
GB0016354D0 (en) * | 2000-07-03 | 2000-08-23 | Optaglio Ltd | Optical security device |
DE10118307A1 (de) * | 2001-04-12 | 2002-10-17 | Bayer Ag | Vefahren zur Herstellung von Polycarbonaten |
DE102004061714A1 (de) * | 2004-12-22 | 2006-07-20 | Bayer Materialscience Ag | Polycarbonate mit guter Benetzbarkeit |
DE102004061715A1 (de) * | 2004-12-22 | 2006-07-06 | Bayer Materialscience Ag | Verfahren zur Herstellung von Polycarbonaten |
DE102004061713A1 (de) * | 2004-12-22 | 2006-07-20 | Bayer Materialscience Ag | Polycarbonate mit guter Benetzbarkeit |
DE102008012613A1 (de) * | 2008-03-05 | 2009-09-10 | Bayer Materialscience Ag | Verfahren zur Herstellung von Polycarbonat nach dem Phasengrenzflächenverfahren |
CN106478934B (zh) * | 2015-08-24 | 2018-05-15 | 万华化学集团股份有限公司 | 一种聚碳酸酯的制备方法 |
DE102021120100A1 (de) | 2021-08-03 | 2023-02-09 | Voith Patent Gmbh | Stirnradgetriebe |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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. |
DE2305144C2 (de) * | 1973-02-02 | 1982-05-06 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen Herstellung von Polycarbonaten |
GB1409614A (en) * | 1973-09-25 | 1975-10-08 | Gen Electric | Process for preparing aromatic carbonate polymers |
US4025489A (en) * | 1975-01-27 | 1977-05-24 | Mobay Chemical Corporation | Utilization of bisphenol-A from the alkaline phase generated in the production of polycarbonates |
JPS52150496A (en) * | 1976-06-09 | 1977-12-14 | Mitsubishi Gas Chem Co Inc | Preparation of polycaronate oligomers |
US4810813A (en) * | 1986-09-08 | 1989-03-07 | General Electric Company | Method for making reaction products of phosgene and dihydric phenol with stable suspension of dihydric phenol, alkali metal hydroxide and water |
US4737573A (en) * | 1986-10-10 | 1988-04-12 | General Electric Company | Method for polymerizing aromatic bischloroformate composition to polycarbonate |
US4847352A (en) * | 1987-08-26 | 1989-07-11 | The Dow Chemical Company | Polycarbonate production with motionless mixer |
JP2528331B2 (ja) * | 1987-09-05 | 1996-08-28 | 出光石油化学株式会社 | ポリカ―ボネ―トの製造方法 |
JPH0623243B2 (ja) * | 1988-04-29 | 1994-03-30 | 出光石油化学株式会社 | ポリカーボネートの製造方法 |
US5037941A (en) * | 1988-12-06 | 1991-08-06 | The Dow Chemical Company | Interfacial preparation of polycarbonate prepolymer with motionless mixer |
JPH03199231A (ja) * | 1989-12-27 | 1991-08-30 | Mitsubishi Kasei Corp | 芳香族ポリカーボネートの製造方法 |
US5037942A (en) * | 1990-03-28 | 1991-08-06 | The Dow Chemical Company | Continuous motionless mixer reactor process for the production of branched polycarbonate |
NL9001888A (nl) * | 1990-08-29 | 1992-03-16 | Gen Electric | Werkwijze voor de continue bereiding van carbonaatoligomeren. |
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 |
-
1992
- 1992-11-20 DE DE4239131A patent/DE4239131C2/de not_active Expired - Fee Related
-
1993
- 1993-11-09 NL NL9301940A patent/NL195012C/nl not_active IP Right Cessation
- 1993-11-10 US US08/150,667 patent/US5376741A/en not_active Expired - Lifetime
- 1993-11-15 JP JP30711393A patent/JP3219921B2/ja not_active Expired - Fee Related
- 1993-11-15 IT ITRM930758A patent/IT1262439B/it active IP Right Grant
- 1993-11-17 BE BE9301267A patent/BE1007759A4/fr not_active IP Right Cessation
- 1993-11-20 CN CN93120551A patent/CN1037445C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
BE1007759A4 (fr) | 1995-10-17 |
JPH06211976A (ja) | 1994-08-02 |
CN1090295A (zh) | 1994-08-03 |
CN1037445C (zh) | 1998-02-18 |
NL195012C (nl) | 2003-06-10 |
US5376741A (en) | 1994-12-27 |
NL9301940A (nl) | 1994-06-16 |
JP3219921B2 (ja) | 2001-10-15 |
DE4239131A1 (de) | 1994-05-26 |
ITRM930758A0 (it) | 1993-11-15 |
IT1262439B (it) | 1996-06-19 |
DE4239131C2 (de) | 1998-04-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19961112 |