Title:
POLYMER ELECTROLYTE MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2010/053297
Kind Code:
A3
Abstract:
The present invention relates to a multiblock copolymer, a preparation method thereof, and an electrolyte membrane using the same. The multiblock copolymer according to the invention comprises a plurality of hydrophilic blocks and a plurality of hydrophobic blocks which are respectively represented by chemical formulas 1 and 2, and is treated with acids. Therefore, the multiblock copolymer can be used in an electrolyte membrane and a fuel cell. When the multiblock copolymer is used as an electrolyte membrane, dimensional stability is improved.
Inventors:
CHOI SEONG-HO (KR)
LEE WON-HO (KR)
LEE WON-HO (KR)
Application Number:
PCT/KR2009/006467
Publication Date:
August 19, 2010
Filing Date:
November 04, 2009
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
CHOI SEONG-HO (KR)
LEE WON-HO (KR)
CHOI SEONG-HO (KR)
LEE WON-HO (KR)
International Classes:
C08G61/12; C08L65/00; H01M8/02; H01M8/10
Domestic Patent References:
WO2006068369A1 | 2006-06-29 | |||
WO2006065068A1 | 2006-06-22 |
Foreign References:
KR20070054314A | 2007-05-29 | |||
US20040126666A1 | 2004-07-01 | |||
US20040186262A1 | 2004-09-23 |
Other References:
See also references of EP 2345682A4
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (8F. 1536-7, Seocho-don, Seocho-gu Seoul 137-872, KR)
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