Polymer and polymer actuator comprising the same

Patent metadata

Field	Value
Publication number	US-9434801-B2
Application number	US-201314017591-A
Country	US
Kind code	B2
Filing date	Sep 4, 2013
Priority date	Feb 12, 2009
Publication date	Sep 6, 2016
Grant date	Sep 6, 2016

Abstract

Provided are a polymer and a polymer actuator including the polymer. The polymer is cross-linked by a cross-linking agent. When the polymer is used in the polymer actuator, the polymer actuator shows a high strain and may be stably operated at high temperatures.

First claim

What is claimed is:

1. A polymer actuator comprising:
a first electrode;
a polymer layer, formed on the first electrode, comprising a poly vinylidene fluoride (PVDF)-based terpolymer cross-linked by a cross-linking agent; and
a second electrode formed on the polymer layer,
wherein the cross-linking agent comprises at least one selected from the group consisting of methylenediamine, ethylenediamine, N-isopropyl ethylenediamine, 1,3-phenylenediamine, 1,5-naphthalenediamine, and 2,4,4-trimethyl-1,6-hexanediamine.

2. The polymer actuator of claim 1 , wherein the PVDF-based terpolymer comprises: as a first structural unit, vinylidene fluoride monomer; as a second structural unit, trifluoroethylene or tetrafluoroethylene; and as a third structural unit, vinyl fluoride, perfluoro (methyl vinyl ether), bromotrifluoroethylene, chlorofluoroethylene, chlorotrifluoroethylene, or hexafluoropropylene.

3. The polymer actuator of claim 1 , wherein the PVDF-based terpolymer comprises a poly((vinylidene fluoride)-(trifluoroethylene)-(chlorotrifluoroethylene)), or poly((vinylidene fluoride)-(trifluoroethylene)-(chlorofluoroethylene)).

4. The polymer actuator of claim 1 , wherein the content C of the cross-linking agent in the crosslinked terpolymer is about 0<C (weight percent) ≦10 wt. %.

5. The polymer actuator of claim 4 , wherein the content C of the cross-linking agent in the crosslinked terpolymer is about 0<C ≦5 wt. %.

6. The polymer actuator of claim 1 , wherein the first electrode or the second electrode is formed of a metal, a conductive metal oxide, or a conductive polymer.

7. The polymer actuator of claim 6 , wherein the conductive polymer comprises polypyrrole, poly(3,4-ethylenedioxy thiophene, polyaniline, polyacetylene, poly(p-pheneylene), polythiophene, poly(p-phenylene vinylene), or poly(thienylene vinylene).

Assignees

• Samsung Electronics Co Ltd
• Sungkyunkwan Univ Found For Corp
• Sungkyunkwan Univ Found For Corp Collaboration

Inventors

• Choi Seung-Tae
• Lee Young-Kwan
• Koo Ja-Choon
• Kwon Jong-Oh
• Park Su-Jin

Classifications

• B32B2255/10

  on synthetic resin layer or on natural or synthetic rubber layer · CPC title

• B32B27/322

  comprising halogenated polyolefins, e.g. PTFE · CPC title

• B32B2307/50

  having particular mechanical properties · CPC title

• H01L41/0477

  Electricity · mapped topic

• B32B27/304

  comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF · CPC title