GB1533589A - Copolyimide foams and precursors therefor - Google Patents

Copolyimide foams and precursors therefor

Info

Publication number
GB1533589A
GB1533589A GB46546/75A GB4654675A GB1533589A GB 1533589 A GB1533589 A GB 1533589A GB 46546/75 A GB46546/75 A GB 46546/75A GB 4654675 A GB4654675 A GB 4654675A GB 1533589 A GB1533589 A GB 1533589A
Authority
GB
United Kingdom
Prior art keywords
precursors
diamines
tetracarboxylic acid
heating
foams
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
GB46546/75A
Other languages
English (en)
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.)
International Motors LLC
Original Assignee
International Harverster Corp
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 International Harverster Corp filed Critical International Harverster Corp
Publication of GB1533589A publication Critical patent/GB1533589A/en
Expired legal-status Critical Current

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
    • 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
    • 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
    • C08G73/1042—Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds
    • 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
    • C08G73/1085—Polyimides with diamino moieties or tetracarboxylic segments containing heterocyclic moieties
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
GB46546/75A 1974-11-11 1975-11-11 Copolyimide foams and precursors therefor Expired GB1533589A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/522,765 US3966652A (en) 1974-11-11 1974-11-11 Method of making foamed copolyimides and product obtained therefrom

Publications (1)

Publication Number Publication Date
GB1533589A true GB1533589A (en) 1978-11-29

Family

ID=24082250

Family Applications (2)

Application Number Title Priority Date Filing Date
GB46546/75A Expired GB1533589A (en) 1974-11-11 1975-11-11 Copolyimide foams and precursors therefor
GB48099/77A Expired GB1533590A (en) 1974-11-11 1975-11-11 Copolyimide foams and precursors therefor

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB48099/77A Expired GB1533590A (en) 1974-11-11 1975-11-11 Copolyimide foams and precursors therefor

Country Status (6)

Country Link
US (2) US3966652A (cg-RX-API-DMAC7.html)
JP (1) JPS5532729B2 (cg-RX-API-DMAC7.html)
CA (1) CA1076749A (cg-RX-API-DMAC7.html)
DE (2) DE2560068C2 (cg-RX-API-DMAC7.html)
FR (1) FR2290463A1 (cg-RX-API-DMAC7.html)
GB (2) GB1533589A (cg-RX-API-DMAC7.html)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319000A (en) * 1975-05-27 1982-03-09 International Harvester Company Closed cell polyimides
GB1527290A (en) * 1975-11-17 1978-10-04 Roth Sa Freres Moulding cellular polycarbodiimide
US4241193A (en) * 1978-08-21 1980-12-23 International Harvester Company Polyimides
CA1131399A (en) * 1978-02-13 1982-09-07 International Harvester Company Polyimides
US4273886A (en) * 1978-08-21 1981-06-16 International Harvester Company Polyimides
US4255488A (en) * 1978-10-19 1981-03-10 International Harvester Company Polyimide fibers
US4299787A (en) * 1978-10-19 1981-11-10 International Harvester Company Melt spinning polyimide fibers
US4241114A (en) * 1980-02-15 1980-12-23 International Harvester Company Polyimides
US4346182A (en) * 1981-04-14 1982-08-24 International Harvester Company Polyimides
US4315076A (en) * 1980-09-12 1982-02-09 International Harvester Company Polyimides
US4315080A (en) * 1981-04-14 1982-02-09 International Harvester Company Polyimides
JPS5776031A (en) * 1980-09-12 1982-05-12 Int Harvester Co Polyimide
US4315077A (en) * 1981-04-14 1982-02-09 International Harvester Company Polyimides
US4506038A (en) * 1982-12-03 1985-03-19 I M L Corporation Development of polyimide foams with blowing agents
US4546115A (en) * 1985-02-25 1985-10-08 John Gagliani Polyimide compositions and foams and methods of making same
US4556682A (en) * 1985-02-25 1985-12-03 John Gagliani Polyimide compositions and foams and methods of making same
US4748255A (en) * 1985-08-27 1988-05-31 Thermal Science, Inc. Thermally adaptive polymers and prepolymers and methods of making them
US4687785A (en) * 1985-08-27 1987-08-18 Thermal Science, Inc. Thermally adaptive polymers and prepolymers and methods of making in which an imide is formed from a polyanhydride oligomer and an isocyanate
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
US4814357A (en) * 1988-04-28 1989-03-21 Ethyl Corporation Polyimide foams and their preparation
US4839398A (en) * 1988-04-28 1989-06-13 Ethyl Corporation Polyimide foams and their preparation
DE3816858A1 (de) * 1988-05-18 1989-11-30 Basf Ag Verbundschaumstoff und verfahren zu seiner herstellung
US4952611A (en) * 1988-05-26 1990-08-28 Ethyl Corporation Polyimide foams and their production
US4866104A (en) * 1988-05-26 1989-09-12 Ethyl Corporation Polyimide foams and their production
US4855332A (en) * 1988-05-26 1989-08-08 Ethyl Corporation Polyimide foams and their production
US4826886A (en) * 1988-05-26 1989-05-02 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
US4879182A (en) * 1988-10-24 1989-11-07 Ethyl Corporation Method of coating carbon bodies
US5175241A (en) * 1989-12-28 1992-12-29 The Dexter Corporation Polyimide with reduced anhydride content
US5096932A (en) * 1990-01-16 1992-03-17 Ethyl Corporation Polyimide foam products and methods
US5122546A (en) * 1990-01-16 1992-06-16 Ethyl Corporation Polyimide foam precursor
US5077318A (en) * 1990-01-16 1991-12-31 Ethyl Corporation Method for producing polyimide foam of desired density
US5064867A (en) * 1990-04-05 1991-11-12 Ethyl Corporation Production of foamed polymer structures
KR950013539B1 (ko) * 1991-11-13 1995-11-08 재단법인한국화학연구소 폴리이미드 공중합체 및 그 제조방법
US5296559A (en) * 1991-12-19 1994-03-22 Dexter-Hysol Aerospace, Inc. Polyimide composition
WO2004072032A2 (en) * 2003-02-11 2004-08-26 United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Polyimide foams
EP2102151B1 (en) * 2006-12-12 2010-09-22 E.I. Du Pont De Nemours And Company Process for the synthesis of 3-hydroxyglutaronitrile
KR20090091348A (ko) * 2006-12-21 2009-08-27 이 아이 듀폰 디 네모아 앤드 캄파니 글루타로니트릴로부터의 다이아미노피리딘의 합성 방법
KR20090091347A (ko) * 2006-12-21 2009-08-27 이 아이 듀폰 디 네모아 앤드 캄파니 글루타르이미딘으로부터의 2,6-다이아미노피리딘의 합성 방법
CN101765588A (zh) 2007-08-01 2010-06-30 纳幕尔杜邦公司 用于合成二氨基吡啶和相关化合物的方法
KR20100061681A (ko) * 2007-08-17 2010-06-08 이 아이 듀폰 디 네모아 앤드 캄파니 3-하이드록시글루타로니트릴의 합성 방법
US7999057B2 (en) * 2008-07-08 2011-08-16 E. I. Du Pont De Nemours And Company Gas-phase process for the synthesis of diaminopyridines from glutaronitriles
KR20110099740A (ko) 2008-12-18 2011-09-08 이 아이 듀폰 디 네모아 앤드 캄파니 글루타로니트릴로부터 다이아미노피리딘의 합성을 위한 연속 액체상 방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3424718A (en) * 1964-09-23 1969-01-28 Du Pont Copolymers of aromatic tetracarboxylic acids with at least two organic diamines
US3483144A (en) * 1966-07-27 1969-12-09 Monsanto Co Process for the preparation of a polyimide foam
US3489696A (en) * 1966-10-06 1970-01-13 Mobay Chemical Corp Process of preparing polyimides from isocyanates and polycarboxylic acids
US3554935A (en) * 1968-03-12 1971-01-12 Monsanto Co Polyimide foams
CA982740A (en) * 1969-06-20 1976-01-27 International Harvester Company Thermoplastic copolyimides
US3705118A (en) * 1971-01-11 1972-12-05 Ibm Process for forming a microporous cellular polyimide
US3726834A (en) * 1972-07-03 1973-04-10 Int Harvester Co Thermoplastic copolyimides
US3793281A (en) * 1972-07-14 1974-02-19 Int Harvester Co Thermoplastic copolyimides

Also Published As

Publication number Publication date
US3966652A (en) 1976-06-29
GB1533590A (en) 1978-11-29
DE2550662A1 (de) 1976-05-13
FR2290463A1 (fr) 1976-06-04
JPS5532729B2 (cg-RX-API-DMAC7.html) 1980-08-27
DE2560068C2 (de) 1982-08-26
DE2550662C2 (de) 1983-02-03
US4153783A (en) 1979-05-08
JPS5191968A (cg-RX-API-DMAC7.html) 1976-08-12
CA1076749A (en) 1980-04-29
FR2290463B1 (cg-RX-API-DMAC7.html) 1980-08-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee