CA979144A - Continuous manufacture of high molecular weight linear polycarbonates - Google Patents
Continuous manufacture of high molecular weight linear polycarbonatesInfo
- Publication number
- CA979144A CA979144A CA132,497A CA132497A CA979144A CA 979144 A CA979144 A CA 979144A CA 132497 A CA132497 A CA 132497A CA 979144 A CA979144 A CA 979144A
- Authority
- CA
- Canada
- Prior art keywords
- molecular weight
- high molecular
- weight linear
- continuous manufacture
- linear polycarbonates
- 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.)
- Expired
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
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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 |
|---|---|
| CA979144A true CA979144A (en) | 1975-12-02 |
Family
ID=5795931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA132,497A Expired CA979144A (en) | 1971-01-15 | 1972-01-14 | Continuous manufacture of high molecular weight linear polycarbonates |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3787359A (cs) |
| AT (1) | AT322855B (cs) |
| BE (1) | BE778047A (cs) |
| CA (1) | CA979144A (cs) |
| CH (1) | CH554908A (cs) |
| FR (1) | FR2121856B1 (cs) |
| GB (1) | GB1373422A (cs) |
| IT (1) | IT949651B (cs) |
| NL (1) | NL7200462A (cs) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4999596A (cs) * | 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 |
| DE2932737C2 (de) | 1979-08-13 | 1983-04-21 | Akzo Gmbh, 5600 Wuppertal | Polycarbonat-Polyätherblockcopolymere |
| 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 (en) * | 1992-07-27 | 1999-03-10 | Mitsui Chemicals, Inc. | Processes for producing aromatic polycarbonate oligomer and aromatic polycarbonate |
| DE4239131C2 (de) * | 1992-11-20 | 1998-04-09 | Bayer Ag | Verfahren zur Herstellung von Polycarbonaten |
| DE4241619C2 (de) * | 1992-12-10 | 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 |
| DE102004061753A1 (de) * | 2004-12-22 | 2006-07-06 | Bayer Materialscience Ag | Substratmaterialien für transparente Spritzgussteile |
| DE102004061754A1 (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 GB GB178972A patent/GB1373422A/en not_active Expired
- 1972-01-14 AT AT31072A patent/AT322855B/de not_active IP Right Cessation
- 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 IT IT47744/72A patent/IT949651B/it active
- 1972-01-14 BE BE778047A patent/BE778047A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1373422A (en) | 1974-11-13 |
| US3787359A (en) | 1974-01-22 |
| BE778047A (fr) | 1972-07-14 |
| DE2101700A1 (de) | 1972-07-20 |
| FR2121856A1 (cs) | 1972-08-25 |
| CH554908A (de) | 1974-10-15 |
| DE2101700B2 (de) | 1974-06-06 |
| AT322855B (de) | 1975-06-10 |
| IT949651B (it) | 1973-06-11 |
| NL7200462A (cs) | 1972-07-18 |
| FR2121856B1 (cs) | 1978-05-19 |
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