BE778047A - Procede de preparation continue de polycarbonates lineaires de poids moleculaire eleve - Google Patents
Procede de preparation continue de polycarbonates lineaires de poids moleculaire eleveInfo
- Publication number
- BE778047A BE778047A BE778047A BE778047A BE778047A BE 778047 A BE778047 A BE 778047A BE 778047 A BE778047 A BE 778047A BE 778047 A BE778047 A BE 778047A BE 778047 A BE778047 A BE 778047A
- Authority
- BE
- Belgium
- Prior art keywords
- molecular weight
- high molecular
- continuous preparation
- linear polycarbonates
- polycarbonates
- 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
- C08G64/22—General preparatory processes using carbonyl halides
- C08G64/24—General preparatory processes using carbonyl halides and phenols
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712101700 DE2101700C3 (de) | 1971-01-15 | Verfahren zur kontinuierlichen Herstellung hochmolekularen, linearen Polycarbonaten |
Publications (1)
Publication Number | Publication Date |
---|---|
BE778047A true BE778047A (fr) | 1972-07-14 |
Family
ID=5795931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE778047A BE778047A (fr) | 1971-01-15 | 1972-01-14 | Procede de preparation continue de polycarbonates lineaires de poids moleculaire eleve |
Country Status (9)
Country | Link |
---|---|
US (1) | US3787359A (fr) |
AT (1) | AT322855B (fr) |
BE (1) | BE778047A (fr) |
CA (1) | CA979144A (fr) |
CH (1) | CH554908A (fr) |
FR (1) | FR2121856B1 (fr) |
GB (1) | GB1373422A (fr) |
IT (1) | IT949651B (fr) |
NL (1) | NL7200462A (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4999596A (fr) * | 1973-01-25 | 1974-09-20 | ||
DE2305144C2 (de) * | 1973-02-02 | 1982-05-06 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen Herstellung von Polycarbonaten |
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 |
DE2706126C2 (de) * | 1977-02-14 | 1984-03-29 | Bayer Ag, 5090 Leverkusen | Schwerentflammbare Polycarbonat-Folien |
DE2711184A1 (de) * | 1977-03-15 | 1978-09-28 | Bayer Ag | Verfahren zur herstellung farbheller polycarbonate |
DE2735775A1 (de) * | 1977-08-09 | 1979-02-22 | Bayer Ag | Verfahren zur herstellung von polycarbonaten |
DE2933344A1 (de) * | 1979-08-17 | 1981-03-26 | Bayer Ag, 51373 Leverkusen | Verfahren zur herstellung von flammwidrigen polycarbonaten |
ATE48317T1 (de) * | 1984-07-17 | 1989-12-15 | Rhe Haendel Engineering Gmbh | Verfahren zur viskositaetsmessung von kunstharzen und vorrichtung zur durchfuehrung des verfahrens. |
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 |
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 |
DE4127512C2 (de) * | 1991-08-20 | 1995-02-23 | Bayer Ag | Verfahren zur Herstellung von Polycarbonat mit konstanter Viskosität |
US5380814A (en) * | 1992-06-16 | 1995-01-10 | Mitsui Toatsu Chemicals, Inc. | Aromatic polycarbonate and process for production thereof |
EP0581074B1 (fr) * | 1992-07-27 | 1999-03-10 | Mitsui Chemicals, Inc. | Procédés pour la préparation d'oligomère de polycarbonate aromatique et de polycarbonate aromatique |
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 |
DE4241619C2 (de) * | 1992-12-10 | 1998-04-09 | Bayer Ag | Verfahren zur Herstellung von Polycarbonaten |
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 (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1327762A (fr) * | 1962-03-13 | 1963-05-24 | Kodak Pathe | Procédé continu pour la préparation de polycarbonates à partir de bisphénols etdu phosgène |
-
1971
- 1971-11-04 CH CH1606371A patent/CH554908A/xx not_active IP Right Cessation
-
1972
- 1972-01-11 US US00216949A patent/US3787359A/en not_active Expired - Lifetime
- 1972-01-12 NL NL7200462A patent/NL7200462A/xx unknown
- 1972-01-14 BE BE778047A patent/BE778047A/fr unknown
- 1972-01-14 GB GB178972A patent/GB1373422A/en not_active Expired
- 1972-01-14 CA CA132,497A patent/CA979144A/en not_active Expired
- 1972-01-14 FR FR7201263A patent/FR2121856B1/fr not_active Expired
- 1972-01-14 AT AT31072A patent/AT322855B/de not_active IP Right Cessation
- 1972-01-14 IT IT47744/72A patent/IT949651B/it active
Also Published As
Publication number | Publication date |
---|---|
US3787359A (en) | 1974-01-22 |
IT949651B (it) | 1973-06-11 |
FR2121856A1 (fr) | 1972-08-25 |
AT322855B (de) | 1975-06-10 |
DE2101700B2 (de) | 1974-06-06 |
DE2101700A1 (de) | 1972-07-20 |
GB1373422A (en) | 1974-11-13 |
FR2121856B1 (fr) | 1978-05-19 |
CH554908A (de) | 1974-10-15 |
NL7200462A (fr) | 1972-07-18 |
CA979144A (en) | 1975-12-02 |
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