GB1354927A - Polyimide solutions - Google Patents

Polyimide solutions

Info

Publication number
GB1354927A
GB1354927A GB1354927DA GB1354927A GB 1354927 A GB1354927 A GB 1354927A GB 1354927D A GB1354927D A GB 1354927DA GB 1354927 A GB1354927 A GB 1354927A
Authority
GB
United Kingdom
Prior art keywords
sept
copolyimide
fabrics
solution
solutions
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
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.)
Pharmacia and Upjohn Co
Original Assignee
Upjohn 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 Upjohn Co filed Critical Upjohn Co
Publication of GB1354927A publication Critical patent/GB1354927A/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
    • C08G73/1042—Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds

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)

Abstract

1354927 Copolyimide solutions UPJOHN CO 23 Sept 1971 [25 Sept 1970 16 March 1971] 29845/73 Divided out of 1354926 Heading C3R A solution comprises a copolyimide (I) in a polar aprotic solvent. Copolyimides (I) are similar to those described in Specification 1,354,926 and have recurring unit (U) where in 10-30% of (U), R is and in the remainder of (U), R is The solution of (I) may be used for casting or spraying of films or coatings on wires, metal, ceramic, fabrics, or plastics. The coating may be adhesive, and used for laminating fabrics. Into (I) may be incorporated glass or carbon fibres, graphite, MoS 2 , powdered Al or Cu, or abrasives.
GB1354927D 1970-09-25 1971-09-23 Polyimide solutions Expired GB1354927A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7566770A 1970-09-25 1970-09-25
US12495871A 1971-03-16 1971-03-16

Publications (1)

Publication Number Publication Date
GB1354927A true GB1354927A (en) 1974-06-05

Family

ID=26757140

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1354927D Expired GB1354927A (en) 1970-09-25 1971-09-23 Polyimide solutions

Country Status (3)

Country Link
JP (1) JPS5239880B1 (en)
GB (1) GB1354927A (en)
NL (1) NL156161B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11992811B2 (en) 2020-06-17 2024-05-28 Evonik Operations Gmbh Crosslinked hollow-fibre membranes and new process for manufacturing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11992811B2 (en) 2020-06-17 2024-05-28 Evonik Operations Gmbh Crosslinked hollow-fibre membranes and new process for manufacturing the same

Also Published As

Publication number Publication date
JPS5239880B1 (en) 1977-10-07
DE2143080A1 (en) 1972-03-30
NL156161B (en) 1978-03-15
DE2143080B2 (en) 1976-09-09
NL7112567A (en) 1972-03-28

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years