BR8804386A - Processo interfacial para producao de um pre-polimero de policarbonato e processo para producao de resinas de policarbonato de alto peso molecular medio em peso - Google Patents
Processo interfacial para producao de um pre-polimero de policarbonato e processo para producao de resinas de policarbonato de alto peso molecular medio em pesoInfo
- Publication number
- BR8804386A BR8804386A BR8804386A BR8804386A BR8804386A BR 8804386 A BR8804386 A BR 8804386A BR 8804386 A BR8804386 A BR 8804386A BR 8804386 A BR8804386 A BR 8804386A BR 8804386 A BR8804386 A BR 8804386A
- Authority
- BR
- Brazil
- Prior art keywords
- production
- molecular weight
- polycarbonate
- polymer
- prepolymers
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/089,658 US4847352A (en) | 1987-08-26 | 1987-08-26 | Polycarbonate production with motionless mixer |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8804386A true BR8804386A (pt) | 1989-03-28 |
Family
ID=22218879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8804386A BR8804386A (pt) | 1987-08-26 | 1988-08-24 | Processo interfacial para producao de um pre-polimero de policarbonato e processo para producao de resinas de policarbonato de alto peso molecular medio em peso |
Country Status (10)
Country | Link |
---|---|
US (1) | US4847352A (pt) |
EP (1) | EP0304691B2 (pt) |
JP (1) | JPH078907B2 (pt) |
KR (1) | KR910008335B1 (pt) |
AT (1) | ATE101405T1 (pt) |
AU (1) | AU608877B2 (pt) |
BR (1) | BR8804386A (pt) |
CA (1) | CA1305578C (pt) |
DE (1) | DE3887714T3 (pt) |
RU (1) | RU2031099C1 (pt) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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. |
NL9001887A (nl) * | 1990-08-29 | 1992-03-16 | Gen Electric | Werkwijze voor de continue bereiding van aromatisch polycarbonaat met hoog molecuulgewicht. |
DE4118232A1 (de) * | 1991-06-04 | 1992-12-10 | Bayer Ag | Kontinuierliche herstellung von polycarbonaten |
DE4121213A1 (de) * | 1991-06-27 | 1993-01-14 | Bayer Ag | Kontinuierliche herstellung von polycarbonaten |
DE4121212A1 (de) * | 1991-06-27 | 1993-01-14 | Bayer Ag | Verfahren zur herstellung von polycarbonat |
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 (pt) * | 1991-09-05 | 1993-04-15 | Bayer Ag, 5090 Leverkusen, De | |
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 |
DE102008012613A1 (de) | 2008-03-05 | 2009-09-10 | Bayer Materialscience Ag | Verfahren zur Herstellung von Polycarbonat nach dem Phasengrenzflächenverfahren |
CN105916908B (zh) | 2014-01-24 | 2018-09-07 | 科思创德国股份有限公司 | 根据相界面法制备聚碳酸酯的方法 |
US11149116B2 (en) | 2017-12-18 | 2021-10-19 | Covestro Deutschland Ag | Process for producing a polycarbonate using an organic solvent based on chlorohydrocarbons |
EP3719052B1 (de) | 2019-04-03 | 2022-03-02 | Covestro Deutschland AG | Verfahren zur herstellung von polycarbonat mit reduziertem phosgenüberschuss |
EP3985047A1 (de) | 2020-10-13 | 2022-04-20 | Covestro Deutschland AG | Verfahren zur herstellung eines polycarbonats nach dem phasengrenzflächenverfahren unter lösungsmittelaustausch |
EP4083106B1 (de) | 2021-04-30 | 2024-04-10 | Covestro Deutschland AG | Verfahren zur herstellung von polycarbonat mit verbesserter nachhaltigkeit |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3133044A (en) * | 1959-03-16 | 1964-05-12 | Eastman Kodak Co | Continuous process for polymerizing bisphenols and phosgene |
DE1300266B (de) * | 1960-06-10 | 1969-07-31 | Bayer Ag | Verfahren zur Herstellung hochmolekularer, linearer Polycarbonate |
US3240755A (en) * | 1960-12-29 | 1966-03-15 | Allied Chem | Process for the preparation of polycarbonates |
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 |
JPS5236554B2 (pt) * | 1973-06-27 | 1977-09-16 | ||
JPS52150496A (en) * | 1976-06-09 | 1977-12-14 | Mitsubishi Gas Chem Co Inc | Preparation of polycaronate oligomers |
US4529791A (en) * | 1981-01-28 | 1985-07-16 | The Dow Chemical Company | Interfacial polycarbonate preparation by adding additional solvent |
US4794156A (en) * | 1987-08-04 | 1988-12-27 | The Dow Chemical Company | Two stage catalytic production of high molecular weight polyhalobisphenol polycarbonates |
-
1987
- 1987-08-26 US US07/089,658 patent/US4847352A/en not_active Expired - Lifetime
-
1988
- 1988-08-03 AT AT88112618T patent/ATE101405T1/de not_active IP Right Cessation
- 1988-08-03 DE DE3887714T patent/DE3887714T3/de not_active Expired - Lifetime
- 1988-08-03 EP EP88112618A patent/EP0304691B2/en not_active Expired - Lifetime
- 1988-08-04 AU AU20408/88A patent/AU608877B2/en not_active Ceased
- 1988-08-15 CA CA000574740A patent/CA1305578C/en not_active Expired - Fee Related
- 1988-08-24 BR BR8804386A patent/BR8804386A/pt not_active IP Right Cessation
- 1988-08-25 RU SU884356376A patent/RU2031099C1/ru active
- 1988-08-25 JP JP63211545A patent/JPH078907B2/ja not_active Expired - Lifetime
- 1988-08-25 KR KR1019880010789A patent/KR910008335B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0304691B2 (en) | 1998-06-10 |
EP0304691A2 (en) | 1989-03-01 |
EP0304691B1 (en) | 1994-02-09 |
JPS6490220A (en) | 1989-04-06 |
DE3887714T3 (de) | 1998-12-03 |
EP0304691A3 (en) | 1990-06-13 |
DE3887714T2 (de) | 1994-05-19 |
DE3887714D1 (de) | 1994-03-24 |
JPH078907B2 (ja) | 1995-02-01 |
AU2040888A (en) | 1989-03-02 |
CA1305578C (en) | 1992-07-21 |
ATE101405T1 (de) | 1994-02-15 |
US4847352A (en) | 1989-07-11 |
AU608877B2 (en) | 1991-04-18 |
KR890003831A (ko) | 1989-04-18 |
RU2031099C1 (ru) | 1995-03-20 |
KR910008335B1 (ko) | 1991-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Decision: intention to grant | ||
KD | Notifcation of receipt (letter patent) | ||
FG | Letter patent granted | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 24/08/2003 |
|
B15K | Others concerning applications: alteration of classification |
Ipc: C08G 64/24 (2006.01) |