DE1593949A1 - Alkalische Hydrolyse von Polyimiden - Google Patents
Alkalische Hydrolyse von PolyimidenInfo
- Publication number
- DE1593949A1 DE1593949A1 DE19671593949 DE1593949A DE1593949A1 DE 1593949 A1 DE1593949 A1 DE 1593949A1 DE 19671593949 DE19671593949 DE 19671593949 DE 1593949 A DE1593949 A DE 1593949A DE 1593949 A1 DE1593949 A1 DE 1593949A1
- Authority
- DE
- Germany
- Prior art keywords
- hydroxide
- polyimide
- acid
- tetracarboxylic acid
- polymer
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/62—Preparation of compounds containing amino groups bound to a carbon skeleton by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C27/00—Processes involving the simultaneous production of more than one class of oxygen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/06—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid amides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51897666A | 1966-01-06 | 1966-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1593949A1 true DE1593949A1 (de) | 1970-10-29 |
Family
ID=24066270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19671593949 Pending DE1593949A1 (de) | 1966-01-06 | 1967-01-05 | Alkalische Hydrolyse von Polyimiden |
Country Status (6)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3892716A (en) * | 1971-05-28 | 1975-07-01 | Gen Electric | Method for making carboxy free polyamide acid salts derived therefrom |
| US4092300A (en) * | 1973-02-05 | 1978-05-30 | General Electric Company | Polyamide acid salts |
| US4349479A (en) * | 1980-02-26 | 1982-09-14 | General Electric Company | Method of salvaging aromatic bisimide values |
| US4609712A (en) * | 1984-06-18 | 1986-09-02 | General Electric Company | Method for preparing monomeric and polymeric bis(dicarboxyphenyl) sulfone compounds |
| US4625013A (en) * | 1984-12-20 | 1986-11-25 | General Electric Company | Aromatic sulfoxy compositions and method for their preparation |
| US5721280A (en) * | 1996-10-07 | 1998-02-24 | General Electric Company | Method for depolymerizing polyimides and recovering reagents therefrom |
| JP2013087148A (ja) * | 2011-10-14 | 2013-05-13 | Toray Ind Inc | ポリイミドのアルカリ加水分解方法およびポリイミド金属積層体からの低分子量体および金属の回収方法 |
| RU2727921C1 (ru) * | 2019-11-07 | 2020-07-27 | Федеральное государственное бюджетное учреждение науки Институт проблем химической физики Российской Академии наук (ФГБУН ИПХФ РАН) | Способ переработки полиимидных материалов |
| CN111060547B (zh) * | 2019-12-15 | 2023-07-04 | 上海微谱化工技术服务有限公司 | 一种聚酰亚胺中单体的检测方法 |
| WO2023228613A1 (ja) * | 2022-05-24 | 2023-11-30 | パナソニックＩｐマネジメント株式会社 | ポリイミド、イミド化合物の製造方法、及び再生ポリイミドの製造方法 |
-
1966
- 1966-01-06 US US518976A patent/US3529017A/en not_active Expired - Lifetime
-
1967
- 1967-01-05 GB GB754/67A patent/GB1154480A/en not_active Expired
- 1967-01-05 FR FR90041A patent/FR1509269A/fr not_active Expired
- 1967-01-05 DE DE19671593949 patent/DE1593949A1/de active Pending
- 1967-01-05 BE BE692208D patent/BE692208A/xx unknown
- 1967-01-06 NL NL6700266A patent/NL6700266A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1509269A (fr) | 1968-01-12 |
| GB1154480A (en) | 1969-06-11 |
| BE692208A (US06566495-20030520-M00011.png) | 1967-07-05 |
| NL6700266A (US06566495-20030520-M00011.png) | 1967-07-07 |
| US3529017A (en) | 1970-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2712165C2 (de) | Verfahren zur Herstellung aromatischer Bisimide | |
| DE2740273A1 (de) | Verfahren zur herstellung aromatischer bis(aetherphthalsaeure) oder aromatischer bis(aetheranhydride) | |
| DE1593949A1 (de) | Alkalische Hydrolyse von Polyimiden | |
| DE1695586C3 (de) | Verfahren zur Herstellung von im Phenylkern gegebenenfalls durch eine Methylgruppe substituierten 1,3-Phenylenbismaleinsäureimiden | |
| DE2509949C2 (de) | Verfahren zur Herstellung von N-Methyl-nitrophthalimiden | |
| DE2304551C2 (de) | Verfahren zur Isolierung von 3,3',4,4'- und 2,3,3',4'-Biphenyltetracarbonsäuredianhydrid aus einem Isomerengemisch | |
| DE2503536B2 (de) | Verfahren zur Gewinnung eines sauren Ammoniumsalzes der 11-Cyanundecansäure | |
| DE2922519A1 (de) | Verfahren zum trennen von gemischen aus 3- und 4-nitrophthalsaeure | |
| EP0523532B1 (de) | Verfahren zur Reinigung von Indigo | |
| DE2758566A1 (de) | Verfahren zur reinigung von unreinen diphenolen | |
| DE3301995A1 (de) | Verfahren zur kristallisation von trimellithsaeure | |
| DE2112009A1 (de) | Verfahren zur Herstellung von Benzoltetracarbonsaeuren und ihren Anhydriden | |
| DE2156620A1 (de) | Verfahren zur Herstellung von Imidgruppen-haltigem Material | |
| DE2460325A1 (de) | Verfahren zur herstellung von polyphenylenaethern | |
| EP0353645A2 (de) | Verfahren zur Herstellung von hochreinem 5,5-[2,2,2-trifluor-1-(trifluormethyl)-ethyliden] bis-1,3-isobenzofurandion | |
| DE824635C (de) | Verfahren zur Herstellung von N-Carboanhydriden | |
| DE3873983T2 (de) | Verfahren zur herstellung von halogenierten imiden. | |
| CH630596A5 (de) | Verfahren zur herstellung von 4-phenoxy-phenolen. | |
| DE2366380C2 (de) | Verfahren zur Herstellung von Biphenyltetracarbonsäure-Isomeren | |
| EP0475226B1 (de) | Verfahren zur Herstellung von 2-Mercapto-benzothiazol | |
| DE3526010A1 (de) | In organischen loesungsmitteln loesliches polyimid und verfahren zu seiner herstellung | |
| AT241118B (de) | Verfahren zur Herstellung hochmolekularer, linearer Polycarbonate mit verbesserten Eigenschaften | |
| DE84892A (US06566495-20030520-M00011.png) | ||
| DE2159883C3 (de) | Aromatische Dicarbonsäuren und Verfahren zu deren Herstellung | |
| DE119661C (US06566495-20030520-M00011.png) |
