Electrochromic polymer material

Details Electrochromic polymer material Electrochromic polymer material

2011-04-12

2011-04-12

Gulakowski, Randy (Department: 1766)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Nitrogen-containing reactant

C546S257000, C359S265000, C359S321000

Reexamination Certificate

active

07923530

ABSTRACT:
Provided are (1) a terpyridine monomer that has a strong ability to coordinate with metal atoms, and (2) a polymer material that can be readily switched between a colored state and a colorless state by controlling the electrical potential applied to it and that can be processed.A bis-terpyridine monomer of a first invention comprises a first terpyridyl substituent (A), a second terpyridyl substituent (B), and a spacer that contains at least one benzene ring and links the substituents (A) and (B).A polymer material of a second invention comprises a bis-terpyridine derivative derived from the monomer according to the first invention, a metal ion and a counter anion, or comprise first to Nth bis-terpyridine derivatives (N is an integer of 2 or greater), first to Nth metal ions (N is an integer of 2 or greater) and first to Nth counter anions (N is an integer of 2 or greater).

REFERENCES:
patent: 2004/0061121 (2004-04-01), Uchida
patent: 2003-336043 (2003-11-01), None
patent: 2004-020928 (2004-01-01), None
patent: 2005-200384 (2005-07-01), None
patent: 2006-016577 (2006-01-01), None
Yu et al. (Adv. Mater. 2003, 15, 19, 1643-1647).
Newkome et al. (Chem Eur. J. 2004, 10,1493-1500).
Newkome et al. (Chem Eur. J. 2002, 8, 2946-2954).

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