GB1282986A - High molecular weight polyimides containing quinazolone ring systems - Google Patents

High molecular weight polyimides containing quinazolone ring systems

Info

Publication number
GB1282986A
GB1282986A GB4442870A GB4442870A GB1282986A GB 1282986 A GB1282986 A GB 1282986A GB 4442870 A GB4442870 A GB 4442870A GB 4442870 A GB4442870 A GB 4442870A GB 1282986 A GB1282986 A GB 1282986A
Authority
GB
United Kingdom
Prior art keywords
diphenyl
diamine
moles
cyclization
sulphone
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
GB4442870A
Other languages
English (en)
Inventor
Gerhard Dieter Wolf
Hans-Egon Kuenzel
Guenther Nischk
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of GB1282986A publication Critical patent/GB1282986A/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
    • C08G73/1085—Polyimides with diamino moieties or tetracarboxylic segments containing heterocyclic moieties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
GB4442870A 1969-09-20 1970-09-17 High molecular weight polyimides containing quinazolone ring systems Expired GB1282986A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691947705 DE1947705A1 (de) 1969-09-20 1969-09-20 Hochmolekulare Polyimide mit Chinazolonringsystemen

Publications (1)

Publication Number Publication Date
GB1282986A true GB1282986A (en) 1972-07-26

Family

ID=5746069

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4442870A Expired GB1282986A (en) 1969-09-20 1970-09-17 High molecular weight polyimides containing quinazolone ring systems

Country Status (5)

Country Link
BE (1) BE756341A (ja)
DE (1) DE1947705A1 (ja)
FR (1) FR2062381A5 (ja)
GB (1) GB1282986A (ja)
NL (1) NL7013855A (ja)

Also Published As

Publication number Publication date
FR2062381A5 (ja) 1971-06-25
NL7013855A (ja) 1971-03-23
DE1947705A1 (de) 1971-04-01
BE756341A (fr) 1971-03-01

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Legal Events

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