DE3367402D1 - Closed cell polyimide foams and methods of making same - Google Patents
Closed cell polyimide foams and methods of making sameInfo
- Publication number
- DE3367402D1 DE3367402D1 DE8383301628T DE3367402T DE3367402D1 DE 3367402 D1 DE3367402 D1 DE 3367402D1 DE 8383301628 T DE8383301628 T DE 8383301628T DE 3367402 T DE3367402 T DE 3367402T DE 3367402 D1 DE3367402 D1 DE 3367402D1
- Authority
- DE
- Germany
- Prior art keywords
- closed cell
- powder
- flame
- foam
- methods
- 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
- 239000006260 foam Substances 0.000 title abstract 5
- 239000004642 Polyimide Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 229920001721 polyimide Polymers 0.000 title abstract 2
- 239000000843 powder Substances 0.000 abstract 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 239000006261 foam material Substances 0.000 abstract 1
- 150000003949 imides Chemical class 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 238000005549 size reduction Methods 0.000 abstract 1
- 150000000000 tetracarboxylic acids Chemical class 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
- B32B5/20—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material foamed in situ
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1003—Preparatory processes
- C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
- C08G73/1028—Preparatory processes from tetracarboxylic acids or derivatives and diamines characterised by the process itself, e.g. steps, continuous
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/16—Making expandable particles
-
- 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
- C08J9/22—After-treatment of expandable particles; Forming foamed products
- C08J9/228—Forming foamed products
- C08J9/236—Forming foamed products using binding agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/08—Closed cell foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/02—Cellular or porous
- B32B2305/024—Honeycomb
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/30—Fillers, e.g. particles, powders, beads, flakes, spheres, chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/1234—Honeycomb, or with grain orientation or elongated elements in defined angular relationship in respective components [e.g., parallel, inter- secting, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Molding Of Porous Articles (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/423,802 US4407980A (en) | 1982-09-27 | 1982-09-27 | Closed cell polyimide foams and methods of making same |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3367402D1 true DE3367402D1 (en) | 1986-12-11 |
Family
ID=23680238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383301628T Expired DE3367402D1 (en) | 1982-09-27 | 1983-03-23 | Closed cell polyimide foams and methods of making same |
Country Status (5)
Country | Link |
---|---|
US (1) | US4407980A (de) |
EP (1) | EP0107262B1 (de) |
JP (1) | JPS5959732A (de) |
AT (1) | ATE23347T1 (de) |
DE (1) | DE3367402D1 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4433068A (en) * | 1982-09-27 | 1984-02-21 | Long John V | Process for producing bonded macroballoon structures and resulting product |
US4621015A (en) * | 1983-11-07 | 1986-11-04 | Long John V | Low density, modified polyimide foams and methods of making same |
US4468431A (en) * | 1983-11-17 | 1984-08-28 | Iml Corporation | Polyimide composite |
EP0143127B1 (de) * | 1983-11-28 | 1988-03-02 | Imi-Tech Corporation | Modifizierte Polyimide; deren Herstellung und Anwendung als Adhäsiv und die Fertigung von zusammengesetzten Artikeln |
EP0191213A3 (de) * | 1984-12-17 | 1988-03-16 | John Gagliani | Verfahren zur Herstellung von Imid-Vorstufen-Zusammensetzungen für Polyimidbeschichtungen und Klebstoffe |
US4639343A (en) * | 1985-05-20 | 1987-01-27 | Long John V | Forming techniques for shaping polyimide foams |
US4738990A (en) * | 1987-08-31 | 1988-04-19 | The Dow Chemical Company | Fire resistant foam composed of predominantly amide and imide linkages |
US4892896A (en) * | 1988-04-04 | 1990-01-09 | Ethyl Corporation | Processing polyimide precursor compositions |
US4816493A (en) * | 1988-04-28 | 1989-03-28 | Ethyl Corporation | Polyimide foams and their preparation |
US4839398A (en) * | 1988-04-28 | 1989-06-13 | Ethyl Corporation | Polyimide foams and their preparation |
US4814357A (en) * | 1988-04-28 | 1989-03-21 | Ethyl Corporation | Polyimide foams and their preparation |
US4866104A (en) * | 1988-05-26 | 1989-09-12 | Ethyl Corporation | Polyimide foams and their production |
US4826886A (en) * | 1988-05-26 | 1989-05-02 | Ethyl Corporation | Polyimide foams and their production |
US4855332A (en) * | 1988-05-26 | 1989-08-08 | Ethyl Corporation | Polyimide foams and their production |
US4952611A (en) * | 1988-05-26 | 1990-08-28 | Ethyl Corporation | Polyimide foams and their production |
US4855331A (en) * | 1988-06-20 | 1989-08-08 | Ethyl Corporation | Production of foamed polymer structures |
US4897432A (en) * | 1988-06-20 | 1990-01-30 | Ethyl Corporation | Production of foamed polymer structures |
ATE101823T1 (de) * | 1988-06-23 | 1994-03-15 | Casco Nobel Ab | Verfahren und vorrichtung zur herstellung expandierbarer thermoplastischer mikrokugeln. |
US4879182A (en) * | 1988-10-24 | 1989-11-07 | Ethyl Corporation | Method of coating carbon bodies |
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 |
WO2000071604A1 (en) * | 1999-05-21 | 2000-11-30 | The Government Of The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration (Nasa) | Hollow polyimide microspheres |
US20080145948A1 (en) * | 2006-12-18 | 2008-06-19 | 3M Innovative Properties Company | Chemical indicator test strip |
JP5373307B2 (ja) * | 2008-03-31 | 2013-12-18 | 宇部興産株式会社 | 軽量ポリイミド成形体の製造方法 |
WO2011066024A1 (en) | 2009-11-30 | 2011-06-03 | Exxonmobil Upstream Research Company | Systems and methods for forming high performance compressible objects |
JP2016180077A (ja) * | 2015-03-25 | 2016-10-13 | 宇部興産株式会社 | ポリイミド発泡体の製造方法 |
CN106244031A (zh) * | 2016-08-02 | 2016-12-21 | 南通凯英薄膜技术有限公司 | 一种高韧性聚酰亚胺材料及其制备方法 |
CN110028668B (zh) * | 2019-04-25 | 2021-08-10 | 航天材料及工艺研究所 | 一种硬质聚酰亚胺泡沫材料的制备方法 |
CN112812561B (zh) * | 2021-03-08 | 2022-04-19 | 辽宁省海洋水产科学研究院 | 一种鱼类精子冷冻液氮熏蒸架用可拆卸浮层材料的制备方法 |
CN113788979B (zh) * | 2021-06-29 | 2022-10-28 | 航天材料及工艺研究所 | 一种硬质闭孔聚酰亚胺泡沫及其制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1540433A (fr) * | 1967-07-27 | 1968-09-27 | Monsanto Co | Procédé de préparation de mousses de poly-imides |
US4161477A (en) * | 1976-04-08 | 1979-07-17 | John V. Long | Polyimide resin-forming composition |
US4361453A (en) * | 1980-09-12 | 1982-11-30 | International Harvester Company | Methods of preparing polyimides and artifacts composed thereof |
US4355120A (en) * | 1981-04-10 | 1982-10-19 | International Harvester Co. | Polyimide foams |
US4360604A (en) * | 1981-04-10 | 1982-11-23 | International Harvester Co. | Polyimide foams |
-
1982
- 1982-09-27 US US06/423,802 patent/US4407980A/en not_active Expired - Fee Related
-
1983
- 1983-03-23 AT AT83301628T patent/ATE23347T1/de not_active IP Right Cessation
- 1983-03-23 EP EP83301628A patent/EP0107262B1/de not_active Expired
- 1983-03-23 DE DE8383301628T patent/DE3367402D1/de not_active Expired
- 1983-05-25 JP JP58092189A patent/JPS5959732A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
ATE23347T1 (de) | 1986-11-15 |
JPS5959732A (ja) | 1984-04-05 |
EP0107262B1 (de) | 1986-11-05 |
JPH0416496B2 (de) | 1992-03-24 |
US4407980A (en) | 1983-10-04 |
EP0107262A1 (de) | 1984-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: IMI-TECH CORP., ELK GROVE VILLAGE, ILL., US |
|
8328 | Change in the person/name/address of the agent |
Free format text: GRUENECKER, A., DIPL.-ING. KINKELDEY, H., DIPL.-ING. DR.-ING. STOCKMAIR, W., DIPL.-ING. DR.-ING. AE.E. CAL TECH SCHUMANN, K., DIPL.-PHYS. DR.RER.NAT. JAKOB, P., DIPL.-ING. BEZOLD, G., DIPL.-CHEM. DR.RER.NAT. MEISTER, W., DIPL.-ING. HILGERS, H., DIPL.-ING. MEYER-PLATH, H., DIPL.-ING. DR.-ING. EHNOLD, A., DIPL.-ING. SCHUSTER, T., DIPL.-PHYS. GOLDBACH, K., DIPL.-ING.DR.-ING. AUFENANGER, M., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |
|
8381 | Inventor (new situation) |
Free format text: GAGLIANI, JOHN, SAN DIEGO, CALIF., US LONG, JOHN V., EL CAJON, CALIF., US |
|
8339 | Ceased/non-payment of the annual fee |