DE1912551C3 - Verfahren zur Herstellung von Poly lmidschaumstoffen - Google Patents

Verfahren zur Herstellung von Poly lmidschaumstoffen

Info

Publication number
DE1912551C3
DE1912551C3 DE1912551A DE1912551A DE1912551C3 DE 1912551 C3 DE1912551 C3 DE 1912551C3 DE 1912551 A DE1912551 A DE 1912551A DE 1912551 A DE1912551 A DE 1912551A DE 1912551 C3 DE1912551 C3 DE 1912551C3
Authority
DE
Germany
Prior art keywords
stage
polyimide
parts
foam
mixture
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
DE1912551A
Other languages
German (de)
English (en)
Other versions
DE1912551A1 (de
DE1912551B2 (de
Inventor
Edmund Charles Lagrangeville N.Y. Knapp
Albert Henry Wilbraham Markhart
Irving Springfield Serlin
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.)
Monsanto Co
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Publication of DE1912551A1 publication Critical patent/DE1912551A1/de
Publication of DE1912551B2 publication Critical patent/DE1912551B2/de
Application granted granted Critical
Publication of DE1912551C3 publication Critical patent/DE1912551C3/de
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
    • 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)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DE1912551A 1968-03-12 1969-03-12 Verfahren zur Herstellung von Poly lmidschaumstoffen Expired DE1912551C3 (de)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE1912551A1 DE1912551A1 (de) 1969-10-02
DE1912551B2 DE1912551B2 (de) 1973-02-15
DE1912551C3 true DE1912551C3 (de) 1973-09-27

Family

ID=24861740

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1912551A Expired DE1912551C3 (de) 1968-03-12 1969-03-12 Verfahren zur Herstellung von Poly lmidschaumstoffen

Country Status (5)

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

Families Citing this family (7)

* 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
JPS62661U (OSRAM) * 1985-06-18 1987-01-06
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

Also Published As

Publication number Publication date
DE1912551A1 (de) 1969-10-02
JPS4835933B1 (OSRAM) 1973-10-31
FR2003730A1 (OSRAM) 1969-11-14
DE1912551B2 (de) 1973-02-15
GB1217127A (en) 1970-12-31
US3554935A (en) 1971-01-12

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)