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US 8,784,690 B2Granted
Polymer compositions, polymer films, polymer gels, polymer foams, and electronic devices containing such films, gels and foams
AssigneeRhodia Operations
InventorsChantal Badre, Lawrence Hough, Ahmed Alsayed
Life of this patent
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Abstract
A polymer film, polymer gel, and polymer foam each contain an electrically conductive polymer and an ionic liquid and are each useful as a component of an electronic device.
Claims16
A polymer film, comprising:
- (a) one or more electrically conductive polymers selected from polythiophene polymers, polyselenophene polymers, polytelurophene polymers, polypyrrole polymers, polyaniline polymers, fused heterocyclic heteroaromatic polymers and mixtures thereof, and, optionally, further comprising one or more water soluble polymeric acid dopants, and
- (b) an ionic liquid,
- wherein the ionic liquid comprises one or more compounds comprising:
- (i) an imidazolium cation, and
- (ii) a tetracyanoborate anion.
2 more elements
A polymer film, comprising, based on 100 parts by weight of the polymer film:
- (a) from about 10 to about 80 parts by weight of an electrically conductive polymer, said electrically conductive polymer comprising, based on 100 parts by weight of the electrically conductive polymer:
- (i) from about 20 to about 50 parts by weight of one or more electrically conductive polymers comprising poly(3,4-ethylenedioxythiophene), and
- (ii) from about 50 to about 80 parts by weight of one or more water soluble polymeric acid dopants comprising a poly(styrene sulfonic acid) dopant, and
- (b) from about 20 to about 90 parts by weight of an ionic liquid,
- wherein the ionic liquid comprises 1-ethyl-3-methyl-imidazolium tetracyanoborate.
2 more elements
A polymer composition, comprising:
- (a) a liquid carrier,
- (b) an electrically conductive polymer dissolved or dispersed in the liquid carrier, said electrically conductive polymer comprising, based on 100 parts by weight of the electrically conductive polymer:
- (i) from about 20 to about 50 parts by weight of one or more electrically conductive polymers comprising poly(3,4-ethylenedioxythiophene), and
- (ii) from about 50 to about 80 parts by weight of one or more water soluble polymeric acid dopants comprising a poly(styrene sulfonic acid) dopant, and
- (c) an ionic liquid dissolved or dispersed in the liquid carrier,
- wherein the ionic liquid comprises 1-ethyl-3-methyl-imidazolium tetracyanoborate.
3 more elements
Dependencies are inferred from the claim text.