Patent ID: 11898000
Assignee: UNIVERSITY OF CONNECTICUT
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 14:
15. A dielectric polymer, comprising
a polymer backbone and a pendent group,
the polymer backbone comprises
alternating repeat units of a first rigid domain separated by single bonds, or
alternating repeat units of a first rigid domain and a second rigid domain separated by single bonds,

wherein the pendent group is a substituted aromatic group attached to the first rigid domain by a single bond, wherein the substituted aromatic group is a substituted aryl or substituted heteroaryl, each substituted with 1, 2, 3, 4, or 5 substituents; and
each substituent independently is C1-20 haloalkyl, C1-20 haloalkoxy, —NHR3, —N(R3)2, cyano, aryl, or heteroaryl, wherein R3 is C1-20 alkyl; and
wherein the dielectric polymer has one or more of the following:
a.) Tg of greater than or equal to 150° C.;
b.) Band gap of greater than or equal to 4.1 eV;
c.) a maximum discharged energy density of greater than 5.0 J/cm3 with efficiency at or above 90% at a temperature of 150° C.;
d.) a maximum discharged energy density of greater than 5.0 J/cm3 at a temperature of 150° C. and an electric field of greater than 650 MV/m or between 650 and 800 MV/m; and
e.) an operating temperature from about −160 to about 250° C.