GB1395761A - Process for making polyimide prepolymer and product produced thereby - Google Patents

Process for making polyimide prepolymer and product produced thereby

Info

Publication number
GB1395761A
GB1395761A GB1247372A GB1247372A GB1395761A GB 1395761 A GB1395761 A GB 1395761A GB 1247372 A GB1247372 A GB 1247372A GB 1247372 A GB1247372 A GB 1247372A GB 1395761 A GB1395761 A GB 1395761A
Authority
GB
United Kingdom
Prior art keywords
prepolymer
mole
organic
march
maleic
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
GB1247372A
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Publication of GB1395761A publication Critical patent/GB1395761A/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
    • C08G73/12—Unsaturated polyimide precursors

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)
  • Carbon And Carbon Compounds (AREA)

Abstract

1395761 Insulated conductor GENERAL ELECTRIC CO 16 March 1972 [18 March 1971] 12473/72 Heading H1A [Also in Divisions B2 and C3] Copper wire is coated with a cresol or cresylic acid solution of a prepolymer which is then cured at 300‹ C., followed by again coating with the prepolymer solution and curing. The prepolymer, convertible to a polyimide, is made by reacting (A) an organic polyamine with (B) an aliphatically unsaturated dicarbonyl reactant, there being 0À5-2À0 moles (A) per mole (B), (B) being (a) maleic, citraconic, or itaconic anhydride, (b) fumaric, maleic, itaconic or 5-vinyl isophthalic acid, (c) mixtures of (a) and (b) or (d) a mixture of (a), (b), or (c) with, per mole thereof, 0À05-1 mole tetrahydrophthalic anhydride or 3,6-endomethylene-1,2,3,6-tetrahydro-cis-phthalic anhydride or its monomethyl derivative. (A) may be, e.g., a diamine or a triamine, long lists being given. Organic monoamines may also be admixed with (A). Reactant (B) may be employed in admixture with # 10% mole of a non-aliphatically-unsaturated organic dranhydride. Reference has been directed by the Comptroller to Specification 1,298,567.
GB1247372A 1971-03-18 1972-03-16 Process for making polyimide prepolymer and product produced thereby Expired GB1395761A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12587571A 1971-03-18 1971-03-18

Publications (1)

Publication Number Publication Date
GB1395761A true GB1395761A (en) 1975-05-29

Family

ID=22421858

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1247372A Expired GB1395761A (en) 1971-03-18 1972-03-16 Process for making polyimide prepolymer and product produced thereby

Country Status (8)

Country Link
JP (1) JPS4733197A (en)
BE (1) BE780860A (en)
DE (1) DE2212661A1 (en)
FR (1) FR2130439A1 (en)
GB (1) GB1395761A (en)
IT (1) IT954811B (en)
LU (1) LU64987A1 (en)
NL (1) NL7203647A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5667326A (en) * 1979-11-05 1981-06-06 Hitachi Ltd Imide type compound and production thereof

Also Published As

Publication number Publication date
DE2212661A1 (en) 1972-09-28
BE780860A (en) 1972-07-17
JPS4733197A (en) 1972-11-17
NL7203647A (en) 1972-09-20
IT954811B (en) 1973-09-15
FR2130439A1 (en) 1972-11-03
LU64987A1 (en) 1972-07-10

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Legal Events

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