GB1251507A - - Google Patents

Info

Publication number
GB1251507A
GB1251507A GB1251507DA GB1251507A GB 1251507 A GB1251507 A GB 1251507A GB 1251507D A GB1251507D A GB 1251507DA GB 1251507 A GB1251507 A GB 1251507A
Authority
GB
United Kingdom
Prior art keywords
polyamide
diisocyanate
anhydride
polyimides
dianhydride
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
Other languages
English (en)
Inventor
Klaus Hoheisel
Gisela Jenik
Walter Seifried
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.)
Kalle GmbH and Co KG
Original Assignee
Kalle GmbH and Co KG
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 Kalle GmbH and Co KG filed Critical Kalle GmbH and Co KG
Publication of GB1251507A publication Critical patent/GB1251507A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/307—Other macromolecular 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
    • C08G18/341—Dicarboxylic acids, esters of polycarboxylic acids containing two carboxylic acid groups
    • 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
    • C08G73/1035—Preparatory processes from tetracarboxylic acids or derivatives and diisocyanates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
GB1251507D 1967-11-11 1968-11-08 Expired GB1251507A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19671745053 DE1745053A1 (de) 1967-11-11 1967-11-11 Verfahren zur Herstellung von geformten Gebilden aus Polymeren mit cyclischen Imideinheiten
DEK0063875 1967-11-11

Publications (1)

Publication Number Publication Date
GB1251507A true GB1251507A (fr) 1971-10-27

Family

ID=25754957

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1251507D Expired GB1251507A (fr) 1967-11-11 1968-11-08

Country Status (5)

Country Link
BE (1) BE723664A (fr)
DE (1) DE1745053A1 (fr)
FR (1) FR1591043A (fr)
GB (1) GB1251507A (fr)
NL (1) NL6815619A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2535335C2 (de) * 1975-08-07 1986-05-28 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Imid-Gruppen enthaltenden Polykondensaten
DE2654112C2 (de) * 1976-11-29 1984-10-04 Bayer Ag, 5090 Leverkusen Polykondensate

Also Published As

Publication number Publication date
BE723664A (fr) 1969-05-08
FR1591043A (fr) 1970-04-20
DE1745053A1 (de) 1971-07-29
NL6815619A (fr) 1969-05-13

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee