Customizing Graphene Dispersions: A Key Step in Realizing Graphene Potential (Printed Electronics USA 2019)

Dr Qi Ding, Scientist
PPG
United States
 
 
Dr Norma Mendoza, Modeling and Plasma Systems Specialist
Raymor Industries, Inc.
Canada

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USA 2019 _ PPG Industries _ Presentation*
USA 2019 _ PPG Industries _ Presentation*
USA 2019 _ PPG Industries _ Presentation*

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Presentation Summary

Graphene has commercial potential in numerous applications. However, many of these applications have failed to bear fruit due to the poor integration or low compatibility of graphene in end-use systems. In this presentation, PPG and Raymor will explain how properly dispersed graphene can be incorporated into both water based and solvent based formulations at high loadings. Novel techniques that have been developed to allow stable dispersions at loadings of >15% of our proprietary plasma graphene will be discussed. The use of customized resins to effectively integrate graphene powder into different systems and formulations will also be presented.

Speaker Biography (Qi Ding)

Qi Ding is a Research Chemist at PPG, leading the development of graphene nanoplatelets (GNP) for energy storage and coating applications. She has developed high solids GNP dispersions in both aqueous and organic systems with customized PPG resins that have potential use in a wide range of applications. Qi has strong expertise in materials chemistry and electrochemistry, and has co-authored 22 peer-reviewed papers in prestigious journals with 4700 citations. She received her B.S. in Chemistry from Shandong University and her Ph.D. in Chemistry from University of Wisconsin-Madison.

Speaker Biography (Norma Mendoza)

Norma Mendoza is a modeling and plasma specialist at Raymor. She participates in the scale-up and optimization of plasma systems, product development, materials characterisation and technical customer service.
 
Before joining Raymor in 2018, she worked as a research associate at the Plasma Processing Laboratory of McGill University where she co-authored the patent: "Oxygen functionalized graphene nanoflake ... nanofluid".
 
Norma has 15 years of experience in plasma materials processing including CFD modeling, PVD coatings, CVD carbon nanotubes synthesis and nanomaterials characterisation. Norma received her B.A.S. in chemical engineering from BUAP University (Mexico) and her M.Sc.A., Ph.D. from University of Sherbrooke (Canada).

Company Profile (PPG)

A leading supplier of paints, coatings and specialty materials, PPG will showcase printed electronic and mobility solutions. Polymer-thick-film circuit materials; printable patterning paste; EMI/RFI shielding and electrostatic discharge solutions highlight the company's electronic and conductive materials. PPG also will showcase functional coatings that enable the Autonomous, Connected, Electrified and Shared vehicle ecosystem; PPG Cuming Microwave Materials, which eliminate EMI problems, reduce cavity resonances and reduce noise in electronic packages; and PPG TESLIN® substrate products for printed electronics, RF/EMI shielding solutions, and functional labels and packaging with features not available with conventional pulp paper and rigid plastics. For information, visit www.ppg.com.
View PPG Industries Timeline 

Company Profile (Raymor Industries Inc)

Raymor, together with its Nanointegris and Graphene Limited Partnership subsidiaries, is a world leading provider of high-purity crumpled graphene nanoplatelets (GNP) and
small diameter single-wall carbon nanotubes (SWCNT).
 
Established in 2006, Raymor uses a patented plasma technology to synthesize both GNP and SWCNT at industrial scale and with superior quality.
 
The small diameter SWCNT (<1.5 nm) are separated and purified to create formulations of conductive and semiconducting inks for electronic applications. Our PureWave Graphene (few layers thick <10), with a unique crumpled morphology, is ideally suited to enclose silicon nanoparticles for graphene-Si battery anodes.
View Raymor Industries Inc Timeline