BE842196A - PROCESS FOR THE PREPARATION OF ALIPHATIC POLYCARBONATES - Google Patents
PROCESS FOR THE PREPARATION OF ALIPHATIC POLYCARBONATESInfo
- Publication number
- BE842196A BE842196A BE167310A BE167310A BE842196A BE 842196 A BE842196 A BE 842196A BE 167310 A BE167310 A BE 167310A BE 167310 A BE167310 A BE 167310A BE 842196 A BE842196 A BE 842196A
- Authority
- BE
- Belgium
- Prior art keywords
- preparation
- aliphatic polycarbonates
- polycarbonates
- aliphatic
- 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
- C08G64/16—Aliphatic-aromatic or araliphatic polycarbonates
- C08G64/1608—Aliphatic-aromatic or araliphatic polycarbonates saturated
-
- 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
- C08G64/02—Aliphatic polycarbonates
- C08G64/0208—Aliphatic polycarbonates saturated
-
- 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
- C08G64/30—General preparatory processes using carbonates
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)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752523352 DE2523352A1 (en) | 1975-05-27 | 1975-05-27 | METHOD FOR PRODUCING ALIPHATIC POLYCARBONATES |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE842196A true BE842196A (en) | 1976-11-25 |
Family
ID=5947486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE167310A BE842196A (en) | 1975-05-27 | 1976-05-25 | PROCESS FOR THE PREPARATION OF ALIPHATIC POLYCARBONATES |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS51144492A (en) |
| AT (1) | AT355310B (en) |
| BE (1) | BE842196A (en) |
| BR (1) | BR7603333A (en) |
| DE (1) | DE2523352A1 (en) |
| ES (1) | ES448262A1 (en) |
| FR (1) | FR2312521A1 (en) |
| GB (1) | GB1526885A (en) |
| IT (1) | IT1061310B (en) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4131731A (en) * | 1976-11-08 | 1978-12-26 | Beatrice Foods Company | Process for preparing polycarbonates |
| JPS5556124A (en) * | 1978-10-19 | 1980-04-24 | Beatrice Foods Co | Manufacture of polycarbonate |
| JPS5564535A (en) * | 1978-11-10 | 1980-05-15 | Nisso Yuka Kogyo Kk | Separation of mixture of ethylene glycol and ethylene carbonate |
| WO1987000185A1 (en) * | 1985-07-01 | 1987-01-15 | The Dow Chemical Company | A process for increasing the molecular weight of poly(alkylene carbonate) polyols |
| JP2623550B2 (en) * | 1987-01-27 | 1997-06-25 | 東亞合成株式会社 | Method for producing polycarbonate diol |
| JPS6466236A (en) * | 1987-09-08 | 1989-03-13 | Mitsubishi Gas Chemical Co | Aliphatic polycarbonate and production thereof |
| JP2554775B2 (en) * | 1990-11-29 | 1996-11-13 | 出光石油化学株式会社 | Method for producing polycarbonate |
| KR970702313A (en) * | 1994-04-08 | 1997-05-13 | 유미꾸라 레이이찌 | Process for Producing Hydroxyl-Terminated Polycarbonate |
| EP0781792B1 (en) | 1995-12-28 | 2002-02-06 | Asahi Glass Company Ltd. | Cross-linked polyurethane resin sheet and laminated product employing it |
| WO2013076099A1 (en) | 2011-11-24 | 2013-05-30 | Bayer Intellectual Property Gmbh | Production and use of high-molecular-weight aliphatic polycarbonates |
| EP3298065A4 (en) * | 2015-05-21 | 2019-02-27 | Basf Se | Preparation of hyperbranched polycarbonate polyols and their use |
| TWI761404B (en) | 2016-12-19 | 2022-04-21 | 德商科思創德意志股份有限公司 | Process for producing (cyclo) aliphatic polycarbonate polyols having low reactivity |
| EP3783044A1 (en) | 2019-08-19 | 2021-02-24 | Covestro Deutschland AG | Process for preparing polyether carbonate polyols |
| EP4017901A1 (en) | 2019-08-19 | 2022-06-29 | Covestro Deutschland AG | Process for preparing polyether carbonate alcohols |
| EP3783046A1 (en) | 2019-08-19 | 2021-02-24 | Covestro Deutschland AG | Process for preparing polyether carbonate polyols |
| WO2021032553A1 (en) | 2019-08-19 | 2021-02-25 | Covestro Intellectual Property Gmbh & Co. Kg | Process for preparing polyether carbonate alcohols |
| EP3783045A1 (en) | 2019-08-19 | 2021-02-24 | Covestro Deutschland AG | Process for preparing polyether carbonate polyols |
| WO2021032554A1 (en) | 2019-08-19 | 2021-02-25 | Covestro Deutschland Ag | Method for preparing polyether carbonate alcohols |
| EP3862377A1 (en) | 2020-02-04 | 2021-08-11 | Covestro Deutschland AG | Process for producing polyether carbonate polyols |
| EP4039727A1 (en) | 2021-02-05 | 2022-08-10 | Covestro Deutschland AG | Method for the preparation of polyether carbonate alcohols |
| EP4180474A1 (en) | 2021-11-12 | 2023-05-17 | Covestro Deutschland AG | Method for the preparation of polyether carbonate alcohols |
| JPWO2023140247A1 (en) | 2022-01-18 | 2023-07-27 | ||
| EP4293065A1 (en) | 2022-06-14 | 2023-12-20 | Covestro Deutschland AG | Polymers containing a polyether carbonate-containing block, preparation method thereof and use of the polymers as a tenside |
| EP4378972A1 (en) | 2022-11-30 | 2024-06-05 | Covestro Deutschland AG | (cyclo)aliphatic polycarbonate polyol composition |
| DE102023000396A1 (en) | 2023-02-09 | 2024-08-14 | Covestro Deutschland Ag | Process for the preparation of polyether carbonate alcohols |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2001091A1 (en) * | 1970-01-12 | 1971-07-22 | Huels Chemische Werke Ag | Carboxylic acid alcoholysis catalysts forpro |
-
1975
- 1975-05-27 DE DE19752523352 patent/DE2523352A1/en not_active Withdrawn
-
1976
- 1976-05-25 AT AT381876A patent/AT355310B/en not_active IP Right Cessation
- 1976-05-25 BE BE167310A patent/BE842196A/en unknown
- 1976-05-25 GB GB2161476A patent/GB1526885A/en not_active Expired
- 1976-05-25 IT IT4963776A patent/IT1061310B/en active
- 1976-05-26 BR BR7603333A patent/BR7603333A/en unknown
- 1976-05-26 ES ES448262A patent/ES448262A1/en not_active Expired
- 1976-05-26 FR FR7616063A patent/FR2312521A1/en active Granted
- 1976-05-27 JP JP51060714A patent/JPS51144492A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51144492A (en) | 1976-12-11 |
| IT1061310B (en) | 1983-02-28 |
| FR2312521A1 (en) | 1976-12-24 |
| FR2312521B1 (en) | 1982-09-10 |
| ES448262A1 (en) | 1977-12-01 |
| GB1526885A (en) | 1978-10-04 |
| ATA381876A (en) | 1979-07-15 |
| DE2523352A1 (en) | 1976-12-09 |
| BR7603333A (en) | 1976-12-07 |
| AT355310B (en) | 1980-02-25 |
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