JPS4835933B1 - - Google Patents

Info

Publication number
JPS4835933B1
JPS4835933B1 JP44018365A JP1836569A JPS4835933B1 JP S4835933 B1 JPS4835933 B1 JP S4835933B1 JP 44018365 A JP44018365 A JP 44018365A JP 1836569 A JP1836569 A JP 1836569A JP S4835933 B1 JPS4835933 B1 JP S4835933B1
Authority
JP
Japan
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
Application number
JP44018365A
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 filed Critical
Publication of JPS4835933B1 publication Critical patent/JPS4835933B1/ja
Pending 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/928—Polyimide or polyamide-acid formed by condensation of a polyamine with a polycarboxylic acid having at least three carboxyl groups or derivatives thereof

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)
JP44018365A 1968-03-12 1969-03-12 Pending JPS4835933B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71234768A 1968-03-12 1968-03-12

Publications (1)

Publication Number Publication Date
JPS4835933B1 true JPS4835933B1 (ja) 1973-10-31

Family

ID=24861740

Family Applications (1)

Application Number Title Priority Date Filing Date
JP44018365A Pending JPS4835933B1 (ja) 1968-03-12 1969-03-12

Country Status (5)

Country Link
US (1) US3554935A (ja)
JP (1) JPS4835933B1 (ja)
DE (1) DE1912551C3 (ja)
FR (1) FR2003730A1 (ja)
GB (1) GB1217127A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62661U (ja) * 1985-06-18 1987-01-06

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966652A (en) * 1974-11-11 1976-06-29 International Harvester Company Method of making foamed copolyimides and product obtained therefrom
US4107125A (en) * 1976-07-01 1978-08-15 E. I. Du Pont De Nemours And Company Crosslinked aromatic polyimides and articles made therefrom
US4913759A (en) * 1987-04-13 1990-04-03 Ethyl Corporation Polyimide precursor and pseudo hot-melt prepregging process employing same
US4900761A (en) * 1988-12-30 1990-02-13 Imi-Tech Corporation Production of polyimide foams
US5288842A (en) * 1991-01-30 1994-02-22 International Business Machines Corporation Morphological composite materials formed from different precursors
CN111793237B (zh) * 2020-07-21 2022-06-21 贵州航天天马机电科技有限公司 一种硬质聚酰亚胺泡沫材料的生产方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62661U (ja) * 1985-06-18 1987-01-06

Also Published As

Publication number Publication date
FR2003730A1 (ja) 1969-11-14
DE1912551C3 (de) 1973-09-27
GB1217127A (en) 1970-12-31
DE1912551A1 (de) 1969-10-02
US3554935A (en) 1971-01-12
DE1912551B2 (de) 1973-02-15

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