Conductivity of crosslinked low surface energy epoxy coatings

M. Yuan, J.C.M. Brokken-Zijp, G. With, de

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Abstract

A new and straightforward method has been studied to prepare crosslinkedlow surface energy semiconductive epoxy coatings. The low surface energy isobtained by adding a small amount of partially fluorinated bifunctional primaryamine Jeffamine D230 crosslinker and the conductivity is achieved by adding a smallamount of semiconductive nanosized Cobalt(III) phthalocyanine particles. The use ofpartially fluorinated crosslinker strongly influences the conductivity, the conductiveparticle network structure, and the network distribution in the coatings. Comparedto coatings that are free of fluorine, variations in fractal dimension, percolationthreshold, particle-containing layer thickness, and conductivity level are observed asthe amount of fluorinated species is varied. These differences can be explained by(local) differences in effective Hamaker constant, viscosity, curing rate, evaporationof the solvent, and presence or absence of polymer matrix between the particles inthe network. Our results suggest that other crosslinked semiconductive low surfaceenergy epoxy coatings can be realized in a similar manner, but careful optimizationof processing conditions is required to obtain the desired conductivity levels at lowfiller concentration. VVC 2009 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Chem 47: 366380, 2009
Original languageEnglish
Pages (from-to)366-380
JournalJournal of Polymer Science, Part B: Polymer Physics
Volume47
Issue number4
DOIs
Publication statusPublished - 2009

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Interfacial energy
surface energy
coatings
Coatings
conductivity
Fluorine
Fractal dimension
Cobalt
curing
Polymer matrix
Electric power distribution
fluorine
Curing
fractals
cobalt
Viscosity
viscosity
polymers
matrices
Processing

Cite this

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title = "Conductivity of crosslinked low surface energy epoxy coatings",
abstract = "A new and straightforward method has been studied to prepare crosslinkedlow surface energy semiconductive epoxy coatings. The low surface energy isobtained by adding a small amount of partially fluorinated bifunctional primaryamine Jeffamine D230 crosslinker and the conductivity is achieved by adding a smallamount of semiconductive nanosized Cobalt(III) phthalocyanine particles. The use ofpartially fluorinated crosslinker strongly influences the conductivity, the conductiveparticle network structure, and the network distribution in the coatings. Comparedto coatings that are free of fluorine, variations in fractal dimension, percolationthreshold, particle-containing layer thickness, and conductivity level are observed asthe amount of fluorinated species is varied. These differences can be explained by(local) differences in effective Hamaker constant, viscosity, curing rate, evaporationof the solvent, and presence or absence of polymer matrix between the particles inthe network. Our results suggest that other crosslinked semiconductive low surfaceenergy epoxy coatings can be realized in a similar manner, but careful optimizationof processing conditions is required to obtain the desired conductivity levels at lowfiller concentration. VVC 2009 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Chem 47: 366380, 2009",
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journal = "Journal of Polymer Science, Part B: Polymer Physics",
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Conductivity of crosslinked low surface energy epoxy coatings. / Yuan, M.; Brokken-Zijp, J.C.M.; With, de, G.

In: Journal of Polymer Science, Part B: Polymer Physics, Vol. 47, No. 4, 2009, p. 366-380.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Conductivity of crosslinked low surface energy epoxy coatings

AU - Yuan, M.

AU - Brokken-Zijp, J.C.M.

AU - With, de, G.

PY - 2009

Y1 - 2009

N2 - A new and straightforward method has been studied to prepare crosslinkedlow surface energy semiconductive epoxy coatings. The low surface energy isobtained by adding a small amount of partially fluorinated bifunctional primaryamine Jeffamine D230 crosslinker and the conductivity is achieved by adding a smallamount of semiconductive nanosized Cobalt(III) phthalocyanine particles. The use ofpartially fluorinated crosslinker strongly influences the conductivity, the conductiveparticle network structure, and the network distribution in the coatings. Comparedto coatings that are free of fluorine, variations in fractal dimension, percolationthreshold, particle-containing layer thickness, and conductivity level are observed asthe amount of fluorinated species is varied. These differences can be explained by(local) differences in effective Hamaker constant, viscosity, curing rate, evaporationof the solvent, and presence or absence of polymer matrix between the particles inthe network. Our results suggest that other crosslinked semiconductive low surfaceenergy epoxy coatings can be realized in a similar manner, but careful optimizationof processing conditions is required to obtain the desired conductivity levels at lowfiller concentration. VVC 2009 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Chem 47: 366380, 2009

AB - A new and straightforward method has been studied to prepare crosslinkedlow surface energy semiconductive epoxy coatings. The low surface energy isobtained by adding a small amount of partially fluorinated bifunctional primaryamine Jeffamine D230 crosslinker and the conductivity is achieved by adding a smallamount of semiconductive nanosized Cobalt(III) phthalocyanine particles. The use ofpartially fluorinated crosslinker strongly influences the conductivity, the conductiveparticle network structure, and the network distribution in the coatings. Comparedto coatings that are free of fluorine, variations in fractal dimension, percolationthreshold, particle-containing layer thickness, and conductivity level are observed asthe amount of fluorinated species is varied. These differences can be explained by(local) differences in effective Hamaker constant, viscosity, curing rate, evaporationof the solvent, and presence or absence of polymer matrix between the particles inthe network. Our results suggest that other crosslinked semiconductive low surfaceenergy epoxy coatings can be realized in a similar manner, but careful optimizationof processing conditions is required to obtain the desired conductivity levels at lowfiller concentration. VVC 2009 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Chem 47: 366380, 2009

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