CH525920A - Verfahren zur Herstellung difunktioneller aliphatischer endständige Hydroxylgruppen aufweisender Polycarbonate - Google Patents
Verfahren zur Herstellung difunktioneller aliphatischer endständige Hydroxylgruppen aufweisender PolycarbonateInfo
- Publication number
- CH525920A CH525920A CH18970A CH18970A CH525920A CH 525920 A CH525920 A CH 525920A CH 18970 A CH18970 A CH 18970A CH 18970 A CH18970 A CH 18970A CH 525920 A CH525920 A CH 525920A
- Authority
- CH
- Switzerland
- Prior art keywords
- preparation
- difunctional aliphatic
- terminally hydroxylated
- polycarbonates
- hydroxylated 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
- C08G64/30—General preparatory processes using carbonates
- C08G64/305—General preparatory processes using carbonates and alcohols
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
-
- 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
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 |
|---|---|---|---|
| DE19691915908 DE1915908C3 (de) | 1969-03-28 | Verfahren zur Herstellung difunktioneller, aliphatischer, endstandige Hydroxylgruppen aufweisender Polycarbonate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH525920A true CH525920A (de) | 1972-07-31 |
Family
ID=5729597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH18970A CH525920A (de) | 1969-03-28 | 1970-01-08 | Verfahren zur Herstellung difunktioneller aliphatischer endständige Hydroxylgruppen aufweisender Polycarbonate |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT299546B (de) |
| CA (1) | CA946539A (de) |
| CH (1) | CH525920A (de) |
| FR (1) | FR2037283B1 (de) |
| GB (1) | GB1263225A (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3717060A1 (de) * | 1987-05-21 | 1988-12-01 | Bayer Ag | Polyether-polycarbonat-diole, ihre herstellung und verwendung als ausgangsprodukte fuer polyurethankunststoffe |
| US4891421A (en) * | 1987-06-22 | 1990-01-02 | Dainippon Ink And Chemicals, Inc. | Processes for producing polycarbonate polyols |
| DE19513164A1 (de) * | 1995-04-07 | 1996-10-10 | Bayer Ag | Polycarbonat-Diole, ihre Herstellung und Verwendung als Ausgangsprodukte für Polyurethan-Kunststoffe |
| DE19900554A1 (de) * | 1999-01-09 | 2000-07-13 | Bayer Ag | Verfahren zur Herstellung von aliphatischen Oligocarbonatdiolen aus Dimethylcarbonat und aliphatischen Diolen |
| DE10027907A1 (de) | 2000-06-06 | 2001-12-13 | Bayer Ag | Verfahren zur Herstellung von aliphatischen Oligocarbanatdiolen |
| US7112693B2 (en) | 2001-06-27 | 2006-09-26 | Bayer Aktiengesellschaft | Process for producing aliphatic oligocarbonate diols |
| DE10130882A1 (de) | 2001-06-27 | 2003-01-16 | Bayer Ag | Verfahren zur Herstellung von aliphatischen Oligocarbonatdiolen |
| DE10156896A1 (de) | 2001-11-20 | 2003-05-28 | Bayer Ag | Verwendung von Katalysatoren zur Herstellung von aliphatischen Oligocarbonatpolyolen |
| DE10303881A1 (de) | 2003-01-31 | 2004-08-12 | Bayer Ag | Verfahren zur Herstellung von oligomeren aliphatischen Diolen, darauf basierenden Polycarbonatdiolen und deren Prepolymeren |
| TWI761404B (zh) | 2016-12-19 | 2022-04-21 | 德商科思創德意志股份有限公司 | 製備具有低反應性(環)脂族聚碳酸酯多元醇之方法 |
| CN115651149A (zh) * | 2018-01-17 | 2023-01-31 | Ube株式会社 | 高支化聚碳酸酯多元醇组合物 |
| WO2020179483A1 (ja) | 2019-03-07 | 2020-09-10 | 旭化成株式会社 | ポリカーボネートジオール及びその用途 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2210817A (en) * | 1939-04-19 | 1940-08-06 | Du Pont | Superpolycarbonate |
-
1970
- 1970-01-08 CH CH18970A patent/CH525920A/de not_active IP Right Cessation
- 1970-02-04 AT AT99770A patent/AT299546B/de not_active IP Right Cessation
- 1970-03-24 CA CA078,333A patent/CA946539A/en not_active Expired
- 1970-03-25 GB GB1448770A patent/GB1263225A/en not_active Expired
- 1970-03-27 FR FR7011328A patent/FR2037283B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA946539A (en) | 1974-04-30 |
| DE1915908B2 (de) | 1974-08-29 |
| DE1915908A1 (de) | 1970-10-15 |
| AT299546B (de) | 1972-06-26 |
| GB1263225A (en) | 1972-02-09 |
| FR2037283A1 (de) | 1970-12-31 |
| FR2037283B1 (de) | 1974-03-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |