Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Reissue Patent
2005-08-04
2009-06-30
Truong, Duc (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant having at least one -n=c=x group as well as...
C528S377000, C528S378000, C528S379000, C525S536000, C525S417000, C525S535000
Reissue Patent
active
RE040813
ABSTRACT:
The present invention relates to polythiophenes, particularly regioregular head-to-tail poly(3-alkylthiophenes) (HT-PATs), block copolymers made therefrom, and their methods of formation. The present invention provides HT-PATs with well-defined, specific end-groups, functionalization of the defined HT-PATs, and incorporation of end group functionalized HT-PATs into block copolymers with structural polymers. The intrinsically conductive diblock and triblock copolymers, formed from the HT-PATs, have excellent conductivity and low polydispersities that are useful in a number of applications. The block copolymers of the present invention have been found to exhibit conductivities that range from a low of 10−8S/cm for certain applications to as high as several hundred S/cm or more.
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Ewbank Paul C.
Liu Jinsong
McCullough Richard D.
Sheina Elena E.
Carnegie Mellon University
K&L Gates LLP
Truong Duc
LandOfFree
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