Novel polyetherimides prepared from tolane dianhydride or dichloroethylene diphenylene dianhydride
AssigneeGeneral Electric Company
InventorsClayton B. Quinn, Frank J. Williams
Life of this patent
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Abstract
This invention is concerned with polyetherimides derived from the reaction of an organic diamine and a dianhydride selected from the class consisting of a tolane dianhydride and a dichloroethylene diphenylene dianhydride.
Claims8
A polyetherimide corresponding to the formula ##SPC18##
- where n is a whole number greater than 1, R is a divalent organic radical selected from the class consisting of
- a. aromatic hydrocarbon radicals having from 6-20 carbon atoms and halogenated derivatives thereof,
- b. alkylene radicals, C.sub.(2-8) alkylene terminated polydiorganosiloxanes, cyclo-alkylene radicals having from 2-20 carbon atoms, and (c) divalent radicals included by the formula ##SPC19##
- where Q is a member selected from the class consisting of ##EQU3## --S--, --C.sub.x H.sub.2x -- where x is a whole number from 1 to 5 inclusive, m is 0 or 1, and Z is a member selected from the groups ##SPC20##
A polyetherimide composed of recurring units of the formula ##SPC21##
- where R is divalent organic radical selected from the class consisting of (a) aromatic hydrocarbon radicals having from 6-20 carbon atoms and halogenated derivatives thereof, (b) alkylene radicals, C.sub.(2-8) alkylene terminated polydiorganosiloxanes, cyclo-alkylene radicals having from 2-20 carbon atoms, and (c) divalent radicals included by the formula ##SPC22##
- where Q is a member selected from the class consisting of ##EQU4## --S--, --C.sub.x H.sub.2x -- where x is a whole number from 1 to 5 inclusive, m is 0 or 1, and n is a whole number greater than 1.
A polyetherimide composed of recurring units of the formula ##SPC23##
- where R is a divalent organic radical selected from the class consisting of (a) aromatic hydrocarbon radicals having from 6-20 carbon atoms and halogenated derivatives thereof, (b) alkylene radicals, C.sub.(2-8) alkylene terminated polydiorganosiloxanes, cyclo-alkylene radicals having from 2-20 carbon atoms, and (c) divalent radicals included by the formula ##SPC24##
- where Q is a member selected from the class consisting of ##EQU5## --S--, --C.sub.x H.sub.2x --, where x is a whole number from 1 to 5 inclusive, and m is 0 or 1, and n is a whole number greater than 1.
A polyetherimide composed of recurring units of the formula ##SPC25##
- where n is a whole number greater than 1.
A polyetherimide composed of recurring structural units of the formula ##SPC26##
- where n is a whole number greater than 1.
Polyetherimide copolymers composed of (A) units of the formula ##SPC27##
- where n is a whole number greater than 1, R is a divalent organic radical selected from the class consisting of (a) aromatic hydrocarbon radicals having from 6-20 carbon atoms and halogenated derivatives thereof, (b) alkylene radicals, C.sub.(2-8) alkylene terminated polydiorganosiloxanes, cyclo-alkylene radicals having from 2-20 carbon atoms, and (c) divalent radicals included by the formula ##SPC28##
- where Q is a member selected from the class consisting of ##EQU6## --S--, --C.sub.x H.sub.2x -- where x is a whole number from 1 to 5 inclusive, m is 0 or 1, and Z is a member selected from the groups ##SPC29##
- and (B) units of the formula ##SPC30##
- where T may be in the 3- or 4-position on the anhydride residue and is a radical selected from the class consisting of ##SPC31##
- and divalent organic radicals of the general formula ##SPC32##
- where X has the same meaning as Q, where m, x and R are as previously defined, and q is a whole number in excess of 1.
Polyetherimide copolymers composed of units of the formula ##SPC33##
- and units of the formula ##SPC34##
- where q and n are whole numbers greater than 1.
Polyetherimide copolymers composed of units of the formula ##SPC35##
- and units of the formula ##SPC36##
- where q and n are whole numbers greater than 1.
Dependencies are inferred from the claim text.