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Reactive Nanofluids for Tuning Resin Hardness

Published online by Cambridge University Press:  03 January 2019

John TexterOpen the ORCID record for John Texter[Opens in a new window],
Zhiming Qiu,
Joe Byrom and
Rene Crombez
John Texter*
Affiliation:
School of Engineering and Coatings Research Institute, Eastern Michigan University, Ypsilanti, MI 48197, USA
Zhiming Qiu
Affiliation:
School of Engineering and Coatings Research Institute, Eastern Michigan University, Ypsilanti, MI 48197, USA
Joe Byrom
Affiliation:
School of Engineering and Coatings Research Institute, Eastern Michigan University, Ypsilanti, MI 48197, USA
Rene Crombez
Affiliation:
School of Engineering and Coatings Research Institute, Eastern Michigan University, Ypsilanti, MI 48197, USA
*
*(Email: jtexter@emich.edu)
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Abstract

Polyurea resins derived from tolyldiisocyante (TDI) and a reactive solvent-free nanofluid (NF-NH2) surface-decorated with propylamines can be tuned over three to five orders of magnitude in storage modulus (10 MPa to 10 GPa) and hardness modulus (6 kPa to 4 GPa) by varying weight fractions of components. The thermal properties of this NF-NH2 are similar to several other nanofluids reported using the same bulky anionic counterion that also imparts liquidity in the absence of any solvent. This tuning suggests applications ranging from opaque protective coatings to clearcoats to sealants to adhesives.

Keywords

hardnesspolymerizationreactivitynano-indentationcomposite

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Type
Articles
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MRS Advances , Volume 4 , Issue 2: Characterization, Mechanical Properties and Structure-Property Relationships , 2019, pp. 125 - 131
Copyright
Copyright © Materials Research Society 2019 

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Footnotes

§

Present Address: College of Materials Science & Engineering, South China University of Technology, Guangzhou 510640, P.R. China

Present Address: Hentzen Coatings Inc., 6937 W Mill Rd, Milwaukee, WI 53218, USA

References

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