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US 12,091,503 B2Granted
Polyarylene ether
AssigneeBASF SE
InventorsMartin Weber, Feelly Ruether, Rene Backes, Christian Maletzko
Life of this patent
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Abstract
A polyarylene ether comprising in polymerized form A) at least one tri- or higher functional compound and B) isosorbide. isomannide, isoidide or a mixture thereof, wherein the polyarylene ether is a polyarylene ether sulfone or a polyarylene ether ketone, ¢ process for its preparation and its use in the preparation of a coating, film, fiber, foam, membrane or molded article.
Claims14
A polyarylene ether comprising in polymerized form
- A) at least one tri- or higher functional compound and
- B) isosorbide, isomannide, isoidide or a mixture thereof,
- wherein the polyarylene ether is a polyarylene ether sulfone or a polyarylene ether ketone.
A process for the preparation of a polyarylene ether comprising reacting
- a) at least one tri- or higher functional compound and
- b) isosorbide, isomannide, isoidide or a mixture thereof with
- c) a difunctional compound comprising at least one dichlorodiaryl sulfone, a dichlorodiarylketone or a mixture thereof.
Dependencies are inferred from the claim text.