DE69114577T2 - Verfahren zur herstellung von polyimidschaum. - Google Patents
Verfahren zur herstellung von polyimidschaum.Info
- Publication number
- DE69114577T2 DE69114577T2 DE69114577T DE69114577T DE69114577T2 DE 69114577 T2 DE69114577 T2 DE 69114577T2 DE 69114577 T DE69114577 T DE 69114577T DE 69114577 T DE69114577 T DE 69114577T DE 69114577 T2 DE69114577 T2 DE 69114577T2
- Authority
- DE
- Germany
- Prior art keywords
- polyimide foam
- producing polyimide
- producing
- foam
- polyimide
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/02—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1011890 | 1990-01-19 | ||
PCT/JP1991/000046 WO1991010703A1 (en) | 1990-01-19 | 1991-01-18 | Process for producing polyimide foam |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69114577D1 DE69114577D1 (de) | 1995-12-21 |
DE69114577T2 true DE69114577T2 (de) | 1996-04-18 |
Family
ID=11741384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69114577T Expired - Fee Related DE69114577T2 (de) | 1990-01-19 | 1991-01-18 | Verfahren zur herstellung von polyimidschaum. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5298531A (de) |
EP (1) | EP0464215B1 (de) |
DE (1) | DE69114577T2 (de) |
WO (1) | WO1991010703A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69924343T2 (de) * | 1998-05-29 | 2006-02-09 | The Government Of The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration (Nasa) | Aromatischer polyimidschaum |
WO2001081453A1 (en) * | 2000-04-27 | 2001-11-01 | Virginia Tech Intellectual Properties, Inc. | Method for making polyimide |
US6956066B2 (en) * | 2003-02-11 | 2005-10-18 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Polyimide foams |
US7318499B2 (en) * | 2004-02-20 | 2008-01-15 | Honeywell International, Inc. | Noise suppression structure and method of making the same |
US20050261387A1 (en) * | 2004-05-20 | 2005-11-24 | Stevenson James F | Noise suppression structure manufacturing method |
US20060250895A1 (en) * | 2005-05-09 | 2006-11-09 | Osvaldo Sanchez | Talking calendar and event scheduler |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1198484A (en) * | 1966-07-27 | 1970-07-15 | Monsanto Co | Polyimide Foams |
US4506038A (en) * | 1982-12-03 | 1985-03-19 | I M L Corporation | Development of polyimide foams with blowing agents |
US4980389A (en) * | 1990-04-03 | 1990-12-25 | Irbit Research & Consulting Ag | Polyetherimide foam precursors and foams having improved physical properties and methods of making them |
-
1991
- 1991-01-18 EP EP91902736A patent/EP0464215B1/de not_active Expired - Lifetime
- 1991-01-18 DE DE69114577T patent/DE69114577T2/de not_active Expired - Fee Related
- 1991-01-18 WO PCT/JP1991/000046 patent/WO1991010703A1/ja active IP Right Grant
-
1993
- 1993-03-03 US US08/025,896 patent/US5298531A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1991010703A1 (en) | 1991-07-25 |
EP0464215A1 (de) | 1992-01-08 |
DE69114577D1 (de) | 1995-12-21 |
EP0464215B1 (de) | 1995-11-15 |
US5298531A (en) | 1994-03-29 |
EP0464215A4 (en) | 1992-06-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |