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US 12,110,368 B2Granted
Polyarylene ether sulfone
AssigneeBASF SE
InventorsMartin Weber, Christian Maletzko, Rene Backes
Life of this patent
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Abstract
A polyarylene ether sulfone comprising in polymerized form A) isosorbide, isomannide, isoidide or a mixture thereof and B) at least one nonsulfonated dihalodiaryl! sulfone (compound B) and C) at least one sulfonated dihalodiaryl sulfone (compound C), a process for its preparation and its use in the preparation of coatings, films, fibers, foams, membranes or molded articles.
Claims15
A polyarylene ether sulfone comprising in polymerized form
- A) isosorbide, isomannide, isoidide or a mixture thereof and
- B) at least one at least one nonsulfonated dihalodiaryl sulfone (compound B) and
- C) at least one sulfonated dihalodiaryl sulfone (compound C) and
- D) at least one tri- or higher functional monomer.
1 more element
A process for the preparation of a polyarylene ether sulfone comprising reacting
- a) isosorbide, isomannide, isoidide or a mixture thereof and
- b) at least one nonsulfonated dihalodiaryl sulfone,
- with
- c) at least one sulfonated dihalodiaryl sulfone.
1 more element
Dependencies are inferred from the claim text.