Electrically isolating polymer composition

Patent metadata

Field	Value
Publication number	US-9978479-B2
Application number	US-201414546618-A
Country	US
Kind code	B2
Filing date	Nov 18, 2014
Priority date	Feb 26, 2009
Publication date	May 22, 2018
Grant date	May 22, 2018

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.

First claim

What is claimed:

1. An electrode coating composition 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. An electrode coating composition comprising:
a polymerized product of:
from 5 to 30 wt % of at least one crosslinkable monomer of the formula (I), the formula (II), or mixtures thereof;
from 20 to 85 wt % of at least one hydrophobic monomer; and
at least one dielectric constant enhancing agent comprised of a mixture of an electroactive polymer in from 2 to 20 wt % and a dielectric constant enhancing monomer in from 10 to 60 wt % based on the total weight of the coating composition,

wherein, 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,

3. The electrode coating composition of claim 2 , wherein:
the at least one hydrophobic monomer is 2,2,3,3,3-pentafluoropropyl acrylate in from 45 to 85 wt %; and
the at least one dielectric constant enhancing monomer is furfuryl methacrylate in from 10 to 30 wt %.

4. The electrode coating composition of claim 2 , wherein
the at least one hydrophobic monomer is 2,2,3,3,4,4,5,5-octafluoropentyl methacrylate in from 45 to 85 wt %; and
the at least one dielectric constant enhancing monomer is furfuryl methacrylate in from 10 to 30 wt %, based on the total weight of the composition.

5. An electrode coating composition comprising:
a polymerized product of:
from 5 to 30 wt % of at least one crosslinkable monomer selected from a methacryl polyhedral oligomeric silsesquioxane or an acryl polyhedral oligomeric silsesquioxane;
from 20 to 85 wt % of at least one hydrophobic monomer consisting of 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; and
at least one dielectric constant enhancing agent comprised of a mixture of an electroactive polymer in from 2 to 20 wt % and a dielectric enhancing monomer in from 10 to 60 wt %, based on the total weight of the coating composition, wherein the electrode 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.

6. The electrode coating composition of claim 5 wherein the electroactive polymer is selected from the group consisting of a polythiophene, a polyaniline, a conducting polyaniline, a copper (II) phthalocyanine, a polypyrrole, a polyacetylene, a polyfluorene, a poly(p-phenylene sulfide), a polynaphthalene, a polytetrathiafulvalene, a thiophene polymer, or a combination thereof.

Assignees

• Corning Inc

Inventors

• Fields Lenwood Lynell
• Martin Arthur Winston
• O'Malley Shawn Michael
• Thelen Dean Michael

Classifications

• C09D133/16

  Homopolymers or copolymers of esters containing halogen atoms · CPC title

• C09D5/44

  for electrophoretic applications (processes for coating by electrophoresis C25D13/00) · CPC title

• H01B3/447 Primary

  from acrylic compounds · CPC title

• C09D4/00

  Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond {; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16} · CPC title

• C09D133/08

  Homopolymers or copolymers of acrylic acid esters · CPC title