News Column

Researchers Submit Patent Application, "Conducting Polymer Nanoparticle Composites", for Approval

June 5, 2014



By a News Reporter-Staff News Editor at Politics & Government Week -- From Washington, D.C., VerticalNews journalists report that a patent application by the inventors Wang, Jianguo (Newark, DE); Wang, Sue (Newark, DE); Wang, Nar (Newark, DE), filed on March 15, 2013, was made available online on May 22, 2014.

No assignee for this patent application has been made.

News editors obtained the following quote from the background information supplied by the inventors: "Conductive polymers are of great interest for many commercial applications such as electrode materials, batteries, antistatic materials, anticorrosion coatings, adhesives, electromagnetic shielding materials, photoelectric transducers, optical memories, display devices, various hybrid materials, transparent electro conductors, LED, electro-optic devices, photocells, circuit boards pretreatments, electron beam photo resistive agents, and various sensors.

"Unfortunately, conducting polymers, such as polyaniline and polypyrrole, have poor mechanical properties that make them difficult to process into meaningful end products. Due to their poor processability, manufacturing costs, material inconsistencies, and poor solubility in solvents, conductive polymers have few large-scale applications.

"A need exists for a new method to prepare unique compositions of conductive polymers that overcome their poor mechanical properties and utilize these materials in diverse applications."

As a supplement to the background information on this patent application, VerticalNews correspondents also obtained the inventors' summary information for this patent application: "The present disclosure relates to methods of preparing conducting polymer nanoparticle composites that may be dispersed in a matrix, and compositions comprising the same. These conducting polymer nanoparticle compositions may be formed into high performance novel materials for application in many industrial fields.

"In one embodiment, the present disclosure relates to a conducting polymer nanoparticle composite comprising a conducting polymer nanoparticle, and a substrate, wherein the conducting polymer nanoparticle is contained on the surface of the substrate, as well as articles containing the same.

"In another embodiment, the present disclosure relates to a method of preparing a conducting polymer composite comprising providing a substrate, combining the substrate with a solution including a monomer of a conducting polymer to form a suspension, mixing the suspension to wet the substrate with the solution, wherein at least a portion of the monomer interacts with the surface, separating any excess bulk solution from the wetted substrate, and polymerizing the monomer.

"In a further embodiment, the present disclosure relates to a corrosion inhibiting coating composition for coating a metal substrate comprising a topcoat layer, and a primer layer having a conducting polymer nanoparticle composite, wherein the composite includes a conducting polymer nanoparticle, and a substrate, wherein the conducting polymer nanoparticle is contained on the surface of the substrate.

BRIEF DESCRIPTION OF THE DRAWINGS

"FIG. 1 shows Bode plots of the pore resistance for different embodiments of the present disclosure wherein topcoat-primer systems having conducting polymer nanoparticle composites are immersed in 3.5 wt. % sodium chloride solution."

For additional information on this patent application, see: Wang, Jianguo; Wang, Sue; Wang, Nar. Conducting Polymer Nanoparticle Composites. Filed March 15, 2013 and posted May 22, 2014. Patent URL: http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=2881&p=58&f=G&l=50&d=PG01&S1=20140515.PD.&OS=PD/20140515&RS=PD/20140515

Keywords for this news article include: Patents.

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Source: Politics & Government Week


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