DK558975A - Fremgangsmade til fremstilling af polycarbonater - Google Patents
Fremgangsmade til fremstilling af polycarbonaterInfo
- Publication number
- DK558975A DK558975A DK558975A DK558975A DK558975A DK 558975 A DK558975 A DK 558975A DK 558975 A DK558975 A DK 558975A DK 558975 A DK558975 A DK 558975A DK 558975 A DK558975 A DK 558975A
- Authority
- DK
- Denmark
- Prior art keywords
- procedure
- preparing polycarbonates
- polycarbonates
- preparing
- 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
- C08G64/02—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
- 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
- C08G64/20—General preparatory processes
- C08G64/30—General preparatory processes using carbonates
- C08G64/305—General preparatory processes using carbonates and alcohols
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)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7440838A FR2294199A1 (fr) | 1974-12-11 | 1974-12-11 | Procede perfectionne de preparation de polycarbonates en deux etapes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK558975A true DK558975A (da) | 1976-06-12 |
Family
ID=9146037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK558975A DK558975A (da) | 1974-12-11 | 1975-12-10 | Fremgangsmade til fremstilling af polycarbonater |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5183693A (de) |
| BE (1) | BE836535A (de) |
| CA (1) | CA1064957A (de) |
| DE (1) | DE2555805A1 (de) |
| DK (1) | DK558975A (de) |
| FR (1) | FR2294199A1 (de) |
| GB (1) | GB1476268A (de) |
| IE (1) | IE42097B1 (de) |
| IT (1) | IT1059855B (de) |
| LU (1) | LU73968A1 (de) |
| NL (1) | NL7513786A (de) |
Families Citing this family (17)
| 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 |
| US5130384A (en) * | 1989-03-20 | 1992-07-14 | Reeves Brothers, Inc. | Calenderable thermoplastic polyurethane elastomer compositions containing millable linear polyurethanes |
| US5298303A (en) * | 1989-03-20 | 1994-03-29 | Reeves Brothers, Inc. | Fabric structure for severe use applications |
| US5001208A (en) * | 1989-03-20 | 1991-03-19 | Reeves Brothers, Inc. | Linear polyurethane elastomer compositions based on mixed polycarbonate and polyether polyols |
| US5096992A (en) * | 1989-03-20 | 1992-03-17 | Reeves Brothers, Inc. | Use of modified diisocyanates for preparing linear thermoplastic polyurethane elastomers having improved properties |
| US5110666A (en) * | 1991-05-06 | 1992-05-05 | Reeves Brothers, Inc. | Coated fabric structure for air bag applications |
| 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 |
| DE10130882A1 (de) | 2001-06-27 | 2003-01-16 | Bayer Ag | Verfahren zur Herstellung von aliphatischen Oligocarbonatdiolen |
| US7112693B2 (en) | 2001-06-27 | 2006-09-26 | Bayer Aktiengesellschaft | Process for producing aliphatic oligocarbonate diols |
| 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 |
| DE102004032419A1 (de) * | 2004-07-05 | 2006-01-26 | Bayer Materialscience Ag | Herstellung klarer Isocyanatprepolymere auf Hexandiolethercarbonat-Basis |
| 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 |
| EP4378972A1 (de) | 2022-11-30 | 2024-06-05 | Covestro Deutschland AG | (cyclo)aliphatische polycarbonatpolyol-zusammensetzung |
-
1974
- 1974-12-11 FR FR7440838A patent/FR2294199A1/fr active Granted
-
1975
- 1975-11-07 IE IE242975A patent/IE42097B1/en unknown
- 1975-11-18 GB GB4746875A patent/GB1476268A/en not_active Expired
- 1975-11-26 NL NL7513786A patent/NL7513786A/xx not_active Application Discontinuation
- 1975-12-01 CA CA240,852A patent/CA1064957A/en not_active Expired
- 1975-12-09 IT IT7001875A patent/IT1059855B/it active
- 1975-12-09 LU LU73968A patent/LU73968A1/xx unknown
- 1975-12-10 DK DK558975A patent/DK558975A/da not_active Application Discontinuation
- 1975-12-11 JP JP50146950A patent/JPS5183693A/ja active Pending
- 1975-12-11 BE BE162658A patent/BE836535A/xx unknown
- 1975-12-11 DE DE19752555805 patent/DE2555805A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB1476268A (en) | 1977-06-10 |
| IE42097L (en) | 1976-06-11 |
| LU73968A1 (de) | 1977-07-01 |
| FR2294199A1 (fr) | 1976-07-09 |
| BE836535A (fr) | 1976-06-11 |
| IT1059855B (it) | 1982-06-21 |
| CA1064957A (en) | 1979-10-23 |
| IE42097B1 (en) | 1980-06-04 |
| FR2294199B1 (de) | 1977-04-08 |
| NL7513786A (nl) | 1976-06-15 |
| DE2555805A1 (de) | 1976-10-28 |
| JPS5183693A (de) | 1976-07-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHS | Application shelved for other reasons than non-payment |