GB1383499A - Dianhydride monomers - Google Patents

Dianhydride monomers

Info

Publication number
GB1383499A
GB1383499A GB2118674A GB2118674A GB1383499A GB 1383499 A GB1383499 A GB 1383499A GB 2118674 A GB2118674 A GB 2118674A GB 2118674 A GB2118674 A GB 2118674A GB 1383499 A GB1383499 A GB 1383499A
Authority
GB
United Kingdom
Prior art keywords
dianhydride
dicarboxyphenyl
bis
dianhydrides
tetracarboxylic
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
GB2118674A
Other languages
English (en)
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1383499A publication Critical patent/GB1383499A/en
Priority to US05/517,960 priority Critical patent/US3940295A/en
Priority to CA213,496A priority patent/CA1026971A/fr
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
    • H01B3/303—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
    • 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)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
GB2118674A 1970-12-11 1971-11-15 Dianhydride monomers Expired GB1383499A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US05/517,960 US3940295A (en) 1971-11-15 1974-10-25 Low expansion alloys
CA213,496A CA1026971A (fr) 1971-11-15 1974-11-12 Alliages a faible dilatation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9733470A 1970-12-11 1970-12-11

Publications (1)

Publication Number Publication Date
GB1383499A true GB1383499A (en) 1974-02-12

Family

ID=22262836

Family Applications (2)

Application Number Title Priority Date Filing Date
GB5288271A Expired GB1383498A (en) 1970-12-11 1971-11-15 Imide linkage-containing polymers
GB2118674A Expired GB1383499A (en) 1970-12-11 1971-11-15 Dianhydride monomers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB5288271A Expired GB1383498A (en) 1970-12-11 1971-11-15 Imide linkage-containing polymers

Country Status (6)

Country Link
JP (1) JPS502637B1 (fr)
BE (1) BE776499A (fr)
CA (1) CA1002234A (fr)
FR (2) FR2119963B1 (fr)
GB (2) GB1383498A (fr)
IT (1) IT943862B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6294162U (fr) * 1985-11-29 1987-06-16
JPS62164894U (fr) * 1985-12-06 1987-10-20
DE10121270A1 (de) * 2001-04-30 2003-02-06 Epcos Ag Passivierungsmaterial für ein elektrisches Bauteil sowie piezoelektrisches Bauteil in Vielschichtbauweise
CN112480093B (zh) * 2020-12-01 2022-05-06 中国科学院长春应用化学研究所 一种含有酰胺和酰亚胺结构的二酐、其制备方法及应用

Also Published As

Publication number Publication date
FR2119963B1 (fr) 1976-09-03
JPS502637B1 (fr) 1975-01-28
IT943862B (it) 1973-04-10
GB1383498A (en) 1974-02-12
FR2279732A1 (fr) 1976-02-20
BE776499A (fr) 1972-06-12
FR2279732B1 (fr) 1977-07-08
CA1002234A (en) 1976-12-21
FR2119963A1 (fr) 1972-08-11

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee