GB1207577A - Aqueous solutions of polyamide acids - Google Patents

Aqueous solutions of polyamide acids

Info

Publication number
GB1207577A
GB1207577A GB477868A GB477868A GB1207577A GB 1207577 A GB1207577 A GB 1207577A GB 477868 A GB477868 A GB 477868A GB 477868 A GB477868 A GB 477868A GB 1207577 A GB1207577 A GB 1207577A
Authority
GB
United Kingdom
Prior art keywords
aqueous solutions
polyamide acids
polyamide
laminates
films
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
GB477868A
Inventor
Reginald John William Reynolds
John David Seddon
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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
Priority to FR96378D priority Critical patent/FR96378E/en
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB477868A priority patent/GB1207577A/en
Priority to BE726206D priority patent/BE726206A/xx
Publication of GB1207577A publication Critical patent/GB1207577A/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
    • C08G73/1028—Preparatory processes from tetracarboxylic acids or derivatives and diamines characterised by the process itself, e.g. steps, continuous

Abstract

1,207,577. Laminates; polyamide films and fibres. IMPERIAL CHEMICAL INDUSTRIES Ltd. 10 Dec., 1968 [30 Jan., 1968], No. 4778/68. Addition to 1,121,325. Headings B5B and B5N. [Also in Divisions B2 and C3] The invention of Specification 1,121,325 (which relates to aqueous solutions of salts of defined amines and polyamide acids and their use in the formation of films, coatings and laminates) is modified in that triethylamine is used as the amine.
GB477868A 1968-01-30 1968-01-30 Aqueous solutions of polyamide acids Expired GB1207577A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR96378D FR96378E (en) 1968-01-30 Aqueous compositions for coating applications.
GB477868A GB1207577A (en) 1968-01-30 1968-01-30 Aqueous solutions of polyamide acids
BE726206D BE726206A (en) 1968-01-30 1968-12-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB477868A GB1207577A (en) 1968-01-30 1968-01-30 Aqueous solutions of polyamide acids

Publications (1)

Publication Number Publication Date
GB1207577A true GB1207577A (en) 1970-10-07

Family

ID=9783642

Family Applications (1)

Application Number Title Priority Date Filing Date
GB477868A Expired GB1207577A (en) 1968-01-30 1968-01-30 Aqueous solutions of polyamide acids

Country Status (3)

Country Link
BE (1) BE726206A (en)
FR (1) FR96378E (en)
GB (1) GB1207577A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553781A1 (en) * 1983-10-20 1985-04-26 United Technologies Corp SOLUBLE POLYIMIDE RESIN SYSTEM IN WATER

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553781A1 (en) * 1983-10-20 1985-04-26 United Technologies Corp SOLUBLE POLYIMIDE RESIN SYSTEM IN WATER
GB2148314A (en) * 1983-10-20 1985-05-30 United Technologies Corp Water soluble polyimide resin system

Also Published As

Publication number Publication date
BE726206A (en) 1969-06-27
FR96378E (en) 1972-06-16

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Legal Events

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