CPC C08G 61/126 (2013.01) [C09K 9/02 (2013.01)] | 6 Claims |
1. An electrochromic polymer comprising at least two conjugated polymers,
wherein,
the electrochromic polymer and the at least two conjugated polymers consist of electron donor groups,
the electrochromic polymer presents a black color at a colored state, and
the electrochromic polymer comprises a formula of
![]() wherein,
each of R1-R8 is independently selected from the group consisting of hydrogen, C1-C30 alkyl, C2-C30 alkenyl, C2-C30 alkynyl, C2-C30 alkylcarbonyl, C1-C30 alkoxy, C3-C30 alkoxyalkyl, C2-C30 alkoxycarbonyl, C4-C30 alkoxycarbonylalkyl, C1-C30 aminylcarbonyl, C4-C30 aminylalkyl, C1-C30 alkylaminyl, C1-C30 alkylsulfonyl, C3-C30 alkylsulfonylalkyl, C6-C18 aryl, C3-C15 cycloalkyl, C3-C30 cycloalkylaminyl, C5-C30 cycloalkylalkylaminyl, C5-C30 cycloalkylalkyl, C5-C30 cycloalkylalkyloxy, C1-C12 heterocyclyl, C1-C12 heterocyclyloxy, C3-C30 heterocyclylalkyloxy, C1-C30 heterocyclylalkyloxy, C1-C30 heterocyclylaminyl, C5-C30 heterocyclylalkylaminyl, C2-C12 heterocyclylcarbonyl, C3-C30 heterocyclylalkyl, C1-C13 heteroaryl, and C3-C30 heteroarylalkyl; and n, n1, and n2 are integers greater than 0.
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