Epoxy-clay nanocomposite coatings

A review on synthesis and characterization

K. Muralishwara, U. Achutha Kini, Sathyashankara Sharma

Research output: Contribution to journalReview article

Abstract

Epoxy-clay nanocomposite coatings are known for its improved barrier and mechanical properties. The paper reviews different techniques used for the synthesis of nanocomposite material and the characterization of epoxy-clay nanocomposite coating carried out by various researchers. Discussion on influence of nanoclay on corrosion resistance, water barrier property, mechanical properties , thermal stability and microstructure are presented. Microstructural analysis revealed that better dispersion is achieved at 1 wt% of nanoclay beyond which agglomeration starts to form and its size increases with increase in nanoclay concentration. Maximum corrosion resistance can be achieved at 1 wt% of nanoclay beyond which there will not be any improvement because of clay agglomeration. Water barrier property increases with increase in nanoclay concentration. Mechanical properties enhance with increase in nanoclay concentration, however it depends on the dispersion of nanoclay. Thermal Stability is maximum at 1 wt% of nanoclay, beyond which agglomeration leads to decrease in thermal stability.

Original languageEnglish
Article number082007
JournalMaterials Research Express
Volume6
Issue number8
DOIs
Publication statusPublished - 12-06-2019

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Nanocomposites
Clay
Thermodynamic stability
Agglomeration
Coatings
Mechanical properties
Corrosion resistance
Water
Microstructure
clay

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Metals and Alloys

Cite this

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abstract = "Epoxy-clay nanocomposite coatings are known for its improved barrier and mechanical properties. The paper reviews different techniques used for the synthesis of nanocomposite material and the characterization of epoxy-clay nanocomposite coating carried out by various researchers. Discussion on influence of nanoclay on corrosion resistance, water barrier property, mechanical properties , thermal stability and microstructure are presented. Microstructural analysis revealed that better dispersion is achieved at 1 wt{\%} of nanoclay beyond which agglomeration starts to form and its size increases with increase in nanoclay concentration. Maximum corrosion resistance can be achieved at 1 wt{\%} of nanoclay beyond which there will not be any improvement because of clay agglomeration. Water barrier property increases with increase in nanoclay concentration. Mechanical properties enhance with increase in nanoclay concentration, however it depends on the dispersion of nanoclay. Thermal Stability is maximum at 1 wt{\%} of nanoclay, beyond which agglomeration leads to decrease in thermal stability.",
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Epoxy-clay nanocomposite coatings : A review on synthesis and characterization. / Muralishwara, K.; Kini, U. Achutha; Sharma, Sathyashankara.

In: Materials Research Express, Vol. 6, No. 8, 082007, 12.06.2019.

Research output: Contribution to journalReview article

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AU - Sharma, Sathyashankara

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