Electrically isolating polymer composition

Abstract

An electrode coating composition that includes at least one crosslinkable monomer; at least one hydrophobic monomer; and at least one dielectric constant enhancing agent selected from dielectric enhancing monomers, ferroelectric particulates, and electroactive polymers. Coatings including the polymer of compositions, and articles including electrically isolating layers are also disclosed.

What is claimed: 
     
         1 . A coated electrode comprising:
 an electrode; and   a coating comprising a polymerized product of:   
       from 5 to 30 wt % of at least one crosslinkable monomer selected from a methacryl polyhedral oligomeric silsesquioxane, acryl polyhedral oligomeric silsesquioxane, or a mixture thereof; 
       from 20 to 85 wt % of at least one hydrophobic monomer having from 6 to 23 carbon atoms; and 
       at least one dielectric constant enhancing agent in from 2 to 60 wt %, based on the total weight of the coating composition, 
       wherein the at least one dielectric constant enhancing agent is a mixture of polyaniline in from 5 to 10 wt % and furfuryl methacrylate in from 8 to 25 wt %, and the coating has a dielectric constant of from 1.5 to 10 and has a breakdown voltage property of from 750 to 1,800 volts per micron. 
     
     
         2 . The coated electrode of  claim 1  wherein the coating has a thickness of from 10 nm to 1 mm. 
     
     
         3 . A coated electrode comprising:
 an electrode: and   a polymerized and crosslinked thermoset product of:   from 5 to 30 wt % of at least one crosslinkable monomer;
 from 20 to 85 wt % of at least one hydrophobic monomer; and 
   at least one dielectric constant enhancing agent in from 2 to 60 wt %, based on the total weight of the coating composition,   wherein the at least one dielectric constant enhancing agent comprises a dielectric enhancing monomer in from 10 to 60 wt %, the coating has a dielectric constant of from 1.5 to 10 and has a breakdown voltage property of from 750 to 1,800 volts per micron.   
     
     
         4 . The coated electrode of  claim 3  wherein the dielectric enhancing monomer is selected from the group consisting of a furfuryl methacrylate, a tris (2-hydroxyethyl) isocyanurate, benzylmethacrylate, 2-cyanoethylacrylate, vinylferrocene, a propargyl methacrylate, and mixtures thereof. 
     
     
         5 . The coated electrode of  claim 3  wherein the at least one hydrophobic monomer is a fluorinated urethane hexacrylate comprised of a mixture of 5 to 20 wt % dihydroperfluoropentane having from 40 to 45 wt % acrylic esters and from 40 to 45 wt % urethane hexacrylate or a mixture thereof. 
     
     
         6 . The coated electrode of  claim 3  wherein the at least one hydrophobic monomer is cross-linked. 
     
     
         7 . The coated electrode of  claim 3  further comprising at least one optical component, or a combination of one or more optical components. 
     
     
         8 . The coated electrode of  claim 3  further comprising at least one dielectric constant enhancing agent selected from the group consisting of a dielectric enhancing monomer, an electroactive particle, or a combination thereof.