GB1225274A - - Google Patents

Info

Publication number
GB1225274A
GB1225274A GB1225274DA GB1225274A GB 1225274 A GB1225274 A GB 1225274A GB 1225274D A GB1225274D A GB 1225274DA GB 1225274 A GB1225274 A GB 1225274A
Authority
GB
United Kingdom
Prior art keywords
polyimide
march
carbon atoms
aromatic
formula
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)
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 GB1225274A publication Critical patent/GB1225274A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01B3/303—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 H01B3/38 or H01B3/302
    • H01B3/306—Polyimides or polyesterimides
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
GB1225274D 1967-03-09 1968-03-08 Expired GB1225274A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62179567A 1967-03-09 1967-03-09
US69701568A 1968-01-11 1968-01-11

Publications (1)

Publication Number Publication Date
GB1225274A true GB1225274A (fr) 1971-03-17

Family

ID=27089061

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1225274D Expired GB1225274A (fr) 1967-03-09 1968-03-08

Country Status (6)

Country Link
BE (1) BE711891A (fr)
CH (1) CH505867A (fr)
FR (1) FR1565555A (fr)
GB (1) GB1225274A (fr)
NL (1) NL6803283A (fr)
SE (1) SE356990B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663510A (en) * 1969-05-08 1972-05-16 Gen Electric Process for producing polyamide coating materials
FR2568258B1 (fr) * 1984-07-25 1987-02-13 Inst Francais Du Petrole Compositions de precurseurs de polyimides, leur preparation, les polyimides en derivant et leurs utilisations, notamment dans la fabrication de vernis d'emaillage pour conducteurs electriques

Also Published As

Publication number Publication date
NL6803283A (fr) 1968-09-10
FR1565555A (fr) 1969-05-02
CH505867A (de) 1971-04-15
SE356990B (fr) 1973-06-12
BE711891A (fr) 1968-09-09

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees