DE3367402D1 - Closed cell polyimide foams and methods of making same - Google Patents

Closed cell polyimide foams and methods of making same

Info

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
Application number
DE8383301628T
Other languages
English (en)
Inventor
John Gagliani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imi Tech Corp
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of DE3367402D1 publication Critical patent/DE3367402D1/de
Expired legal-status Critical Current

Links

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)
DE8383301628T 1982-09-27 1983-03-23 Closed cell polyimide foams and methods of making same Expired DE3367402D1 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

Similar Documents

Publication Publication Date Title
DE3367402D1 (en) Closed cell polyimide foams and methods of making same
DE3370346D1 (en) Production of macro balloon structures
US3331899A (en) Process and apparatus for making shaped cellular articles from expandable thermoplastic resins
EP0335613A3 (de) Zusammensetzung und Verfahren zur Herstellung poröser Gegenstände aus Polyäthylen von ultra hohem Molekulargewicht
KR870010943A (ko) 프로필렌수지 예비 발포입자의 제조방법
DE3067173D1 (en) Process for the production of anti-static thermoplastics films and the films thereby produced
DE3065334D1 (en) A process for the production of particulate polyolefinic moulding materials containing conductive carbon black, and their use in the production of mouldings
DE2966211D1 (en) Process for the production of electrically conductive polyolefin mouldings, and their application
DE3570086D1 (en) Process for preparing cross-linked polyolefin foamed articles with closed cells
DE3364335D1 (en) Foamed polyimide and polyamide-imide, and production thereof
JPS57191027A (en) Manufacture of bridged polyolefin continuous foamed material
JPS57191029A (en) Manufacture of bridged polyolefinic foamed material
GB2016901B (en) Process and apparatus for agglomerating power form material
NZ502493A (en) Expandable thermoplastic particles made from a solvent free, dry atomization method
KR840005321A (ko) 분말 어린의 제조법
JPS57195131A (en) Preparation of polyolefin resin foamed article
JPS54158468A (en) Dimension stabilization of expanded polystylene
DE2967399D1 (en) Process for the production of a linear polyphosphazene rubber latex and its use in the production of coatings, foams and films
JPS54111569A (en) Preparation of porous polytetrafluoroethylene molded article
JPS5514276A (en) Manufacturing method of shell-covered thermo plastic resin foam
JPS54117966A (en) Method of forming connection portion of hot water feed pipe
Foster Method of Producing a Foamed Polymer
JPS55123448A (en) Method for production of pressboard molding
JPS5682828A (en) Preparation of polyethylene resin foamed article
JPS5549235A (en) Forming method and device foam-forming product with skin

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