GB1479389A - Process for the purification of polycarbonates - Google Patents
Process for the purification of polycarbonatesInfo
- Publication number
- GB1479389A GB1479389A GB47471/75A GB4747175A GB1479389A GB 1479389 A GB1479389 A GB 1479389A GB 47471/75 A GB47471/75 A GB 47471/75A GB 4747175 A GB4747175 A GB 4747175A GB 1479389 A GB1479389 A GB 1479389A
- Authority
- GB
- United Kingdom
- Prior art keywords
- water
- liquid
- alkyl phenyl
- polycarbonates
- purification
- 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
- 229920000515 polycarbonate Polymers 0.000 title abstract 2
- 239000004417 polycarbonate Substances 0.000 title abstract 2
- 238000000746 purification Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 5
- 239000007788 liquid Substances 0.000 abstract 3
- 125000005037 alkyl phenyl group Chemical group 0.000 abstract 2
- 239000006227 byproduct Substances 0.000 abstract 2
- 238000005809 transesterification reaction Methods 0.000 abstract 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000007872 degassing Methods 0.000 abstract 1
- 150000002009 diols Chemical class 0.000 abstract 1
- ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 abstract 1
- 239000012153 distilled water Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C68/00—Preparation of esters of carbonic or haloformic acids
- C07C68/08—Purification; Separation; Stabilisation
-
- 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
- C08G64/40—Post-polymerisation treatment
- C08G64/406—Purifying; Drying
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (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 |
|---|---|---|---|
| FR7440836A FR2294198A1 (fr) | 1974-12-11 | 1974-12-11 | Procede de purification des oligocarbonates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1479389A true GB1479389A (en) | 1977-07-13 |
Family
ID=9146035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB47471/75A Expired GB1479389A (en) | 1974-12-11 | 1975-11-18 | Process for the purification of polycarbonates |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4013702A (https=) |
| JP (1) | JPS5183692A (https=) |
| BE (1) | BE836534A (https=) |
| CA (1) | CA1071231A (https=) |
| DD (1) | DD124738A5 (https=) |
| DE (1) | DE2555766A1 (https=) |
| DK (1) | DK558875A (https=) |
| FR (1) | FR2294198A1 (https=) |
| GB (1) | GB1479389A (https=) |
| IE (1) | IE42221B1 (https=) |
| IT (1) | IT1059854B (https=) |
| LU (1) | LU73967A1 (https=) |
| NL (1) | NL7514136A (https=) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2373570A1 (fr) | 1976-12-10 | 1978-07-07 | Poudres & Explosifs Ste Nale | Nouveaux polycarbonates aliphatiques triols et leurs applications |
| US4306057A (en) * | 1978-03-27 | 1981-12-15 | General Electric Company | Solvent sweeping of polycarbonates |
| US4498017A (en) * | 1982-12-16 | 1985-02-05 | Parkins William E | Generating power from wind |
| DE3503330A1 (de) * | 1985-02-01 | 1986-08-07 | Herberts Gmbh, 5600 Wuppertal | Verfahren zur verminderung des geruchs von polyesterharzen und deren verwendung |
| EP0302712B1 (en) * | 1987-08-04 | 1996-11-13 | Asahi Kasei Kogyo Kabushiki Kaisha | Novel copolycarbonate |
| US5243093A (en) * | 1990-09-07 | 1993-09-07 | General Electric Company | Process and composition |
| DE4130807A1 (de) * | 1991-09-17 | 1993-03-18 | Wolff Walsrode Ag | Verfahren zur herstellung von polysaccharidcarbonaten |
| US5239106A (en) * | 1992-08-17 | 1993-08-24 | General Electric Company | Method of recovering and purifying diphenylcarbonate from phenolic solutions thereof |
| US5498319A (en) * | 1993-06-29 | 1996-03-12 | General Electric Company | Process for purifying diaryl carbonates |
| DE4420778A1 (de) | 1994-06-15 | 1995-12-21 | Bayer Ag | Verfahren zur Reinigung von Diphenylcarbonat |
| US5777064A (en) * | 1995-03-22 | 1998-07-07 | Mitsubishi Gas Chemical Company, Inc. | Production method of polycarbonate |
| US7388066B2 (en) * | 2005-09-26 | 2008-06-17 | Bridgestone Sports Co., Ltd. | Golf ball |
| US20070072701A1 (en) * | 2005-09-26 | 2007-03-29 | Bridgestone Sports Co., Ltd. | Golf ball |
| EP3484937A1 (en) | 2016-07-14 | 2019-05-22 | Lanxess Solutions US Inc. | Cast urethanes made from low free monomer prepolymer with polycarbonate backbone |
| KR102450692B1 (ko) | 2017-02-28 | 2022-10-06 | 도레이 카부시키가이샤 | 시트상물 |
| WO2018159359A1 (ja) | 2017-02-28 | 2018-09-07 | 三洋化成工業株式会社 | 合成皮革用ポリウレタン樹脂 |
| BR112019019187B1 (pt) | 2017-03-29 | 2023-04-04 | Toray Industries, Inc | Couros artificiais |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1234900A (fr) * | 1958-10-20 | 1960-10-19 | Columbia Southern Chem Corp | Procédé pour produire des substances synthétiques macromoléculaires, notamment des polycarbonates solides |
| US3213060A (en) * | 1961-09-14 | 1965-10-19 | Eastman Kodak Co | Polycarbonate purification |
| US3470133A (en) * | 1967-09-15 | 1969-09-30 | Ppg Industries Inc | Water washing polyesters of carbonic acid and diphenols |
| US3668181A (en) * | 1970-03-06 | 1972-06-06 | Allied Chem | Purification of polycarbonate resins |
-
1974
- 1974-12-11 FR FR7440836A patent/FR2294198A1/fr active Granted
-
1975
- 1975-11-07 IE IE2428/75A patent/IE42221B1/en unknown
- 1975-11-18 GB GB47471/75A patent/GB1479389A/en not_active Expired
- 1975-12-01 CA CA240,853A patent/CA1071231A/en not_active Expired
- 1975-12-04 NL NL7514136A patent/NL7514136A/xx not_active Application Discontinuation
- 1975-12-04 US US05/637,760 patent/US4013702A/en not_active Expired - Lifetime
- 1975-12-09 DD DD189989A patent/DD124738A5/xx unknown
- 1975-12-09 LU LU73967A patent/LU73967A1/xx unknown
- 1975-12-09 IT IT70017/75A patent/IT1059854B/it active
- 1975-12-10 DK DK558875A patent/DK558875A/da not_active Application Discontinuation
- 1975-12-11 JP JP50146949A patent/JPS5183692A/ja active Granted
- 1975-12-11 DE DE19752555766 patent/DE2555766A1/de not_active Withdrawn
- 1975-12-11 BE BE162657A patent/BE836534A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5342359B2 (https=) | 1978-11-10 |
| US4013702A (en) | 1977-03-22 |
| DE2555766A1 (de) | 1976-06-16 |
| JPS5183692A (en) | 1976-07-22 |
| CA1071231A (en) | 1980-02-05 |
| DK558875A (da) | 1976-06-12 |
| IE42221L (en) | 1976-06-11 |
| AU8688875A (en) | 1977-06-02 |
| DD124738A5 (https=) | 1977-03-09 |
| IT1059854B (it) | 1982-06-21 |
| IE42221B1 (en) | 1980-07-02 |
| NL7514136A (nl) | 1976-06-15 |
| BE836534A (fr) | 1976-06-11 |
| LU73967A1 (https=) | 1977-07-01 |
| FR2294198B1 (https=) | 1977-04-08 |
| FR2294198A1 (fr) | 1976-07-09 |
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| ATE24477T1 (de) | Verfahren zur herstellung der pharmazeutischen benzoesaeure. | |
| US2853508A (en) | Diphenyl phosphite | |
| SE7502828L (https=) | ||
| JPS5615249A (en) | Purification of crude organic carbonate | |
| JPS55130939A (en) | Preparation of carbonic acid ester | |
| ES428574A3 (es) | Procedimiento para recuperar dioxido de germanio. | |
| JPS5536268A (en) | Production of monohydrodiene organopolysiloxane | |
| FR2352015A1 (fr) | Procede de preparation de polycarbonates derives du phosgene et du thiodiglycol par condensation interfaciale et leur utilisation dans la preparation de polyurethannes | |
| JPS57134449A (en) | Production of nitroaniline | |
| Dietzsch et al. | Purification of the process effluent from salicylic acid manufacture- an example of the elimination of water polluting substances and simultaneous recovery of usable by-products | |
| FR2163884A5 (en) | Continuous alkyl carbonate prepn - by reacting alkyl chloroformate and alcohol in packed column | |
| JPS52133085A (en) | Production of single silicon crystal of high purity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |