The use of nanoclay in preparation of epoxy anticorrosive coatings
Само за регистроване кориснике
2014
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Epoxy/clay nanocomposites (NC) have become a very interesting topic among researchers in the past two decades because nanoclays have a positive effect on the mechanical, thermal and especially barrier and anticorrosive performances of the polymers. In this study epoxy NCs and NC-based epoxy coatings were prepared by the solution intercalation method using Cloisite 30B as nanoclay. WAXD and SEM analyses revealed that a mainly exfoliated structure was obtained in epoxy NC with 1 wt% clay content, while higher clay loadings reduced the number of exfoliated clay nanolayers and produced a mainly intercalated structure. EIS, TGA and DMA analyses showed that epoxy NCs with clay content below 5 wt% exhibited increased corrosion stability, thermal stability, glass transition temperature (T-g) and storage modulus (G'), in both glassy and rubbery states due to the nanoscale dispersion of Cloisite 30B and the barrier effect of individual nanolayers. Enhanced mechanical properties were also noticed... at higher clay loadings, but the rate of improvement was lower. The highest extent of exfoliation and the most homogeneous macromolecular network was found for NC with 1 wt% of clay, leading to the highest improvement of thermal and anticorrosive properties. The salt spray test results showed that anticorrosive properties of epoxy coatings in the presence of 3 wt% and especially 1 wt% of Cloisite 308 were significantly better, thus indicating that nanoclay efficiently modifies the commercial epoxy coatings.
Кључне речи:
Epoxy resin / Coatings / Nanocomposites / NanoclayИзвор:
Progress in Organic Coatings, 2014, 77, 2, 518-527Издавач:
- Elsevier Science Sa, Lausanne
Финансирање / пројекти:
- Синтеза и карактеризација нових функционалних полимера и полимерних нанокомпозита (RS-MESTD-Basic Research (BR or ON)-172062)
DOI: 10.1016/j.porgcoat.2013.11.017
ISSN: 0300-9440
WoS: 000331019500030
Scopus: 2-s2.0-84891833903
Институција/група
Tehnološko-metalurški fakultetTY - JOUR AU - Tomić, Miloš D. AU - Dunjić, Branko AU - Likić, Violeta AU - Bajat, Jelena AU - Rogan, Jelena AU - Đonlagić, Jasna PY - 2014 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2760 AB - Epoxy/clay nanocomposites (NC) have become a very interesting topic among researchers in the past two decades because nanoclays have a positive effect on the mechanical, thermal and especially barrier and anticorrosive performances of the polymers. In this study epoxy NCs and NC-based epoxy coatings were prepared by the solution intercalation method using Cloisite 30B as nanoclay. WAXD and SEM analyses revealed that a mainly exfoliated structure was obtained in epoxy NC with 1 wt% clay content, while higher clay loadings reduced the number of exfoliated clay nanolayers and produced a mainly intercalated structure. EIS, TGA and DMA analyses showed that epoxy NCs with clay content below 5 wt% exhibited increased corrosion stability, thermal stability, glass transition temperature (T-g) and storage modulus (G'), in both glassy and rubbery states due to the nanoscale dispersion of Cloisite 30B and the barrier effect of individual nanolayers. Enhanced mechanical properties were also noticed at higher clay loadings, but the rate of improvement was lower. The highest extent of exfoliation and the most homogeneous macromolecular network was found for NC with 1 wt% of clay, leading to the highest improvement of thermal and anticorrosive properties. The salt spray test results showed that anticorrosive properties of epoxy coatings in the presence of 3 wt% and especially 1 wt% of Cloisite 308 were significantly better, thus indicating that nanoclay efficiently modifies the commercial epoxy coatings. PB - Elsevier Science Sa, Lausanne T2 - Progress in Organic Coatings T1 - The use of nanoclay in preparation of epoxy anticorrosive coatings EP - 527 IS - 2 SP - 518 VL - 77 DO - 10.1016/j.porgcoat.2013.11.017 ER -
@article{ author = "Tomić, Miloš D. and Dunjić, Branko and Likić, Violeta and Bajat, Jelena and Rogan, Jelena and Đonlagić, Jasna", year = "2014", abstract = "Epoxy/clay nanocomposites (NC) have become a very interesting topic among researchers in the past two decades because nanoclays have a positive effect on the mechanical, thermal and especially barrier and anticorrosive performances of the polymers. In this study epoxy NCs and NC-based epoxy coatings were prepared by the solution intercalation method using Cloisite 30B as nanoclay. WAXD and SEM analyses revealed that a mainly exfoliated structure was obtained in epoxy NC with 1 wt% clay content, while higher clay loadings reduced the number of exfoliated clay nanolayers and produced a mainly intercalated structure. EIS, TGA and DMA analyses showed that epoxy NCs with clay content below 5 wt% exhibited increased corrosion stability, thermal stability, glass transition temperature (T-g) and storage modulus (G'), in both glassy and rubbery states due to the nanoscale dispersion of Cloisite 30B and the barrier effect of individual nanolayers. Enhanced mechanical properties were also noticed at higher clay loadings, but the rate of improvement was lower. The highest extent of exfoliation and the most homogeneous macromolecular network was found for NC with 1 wt% of clay, leading to the highest improvement of thermal and anticorrosive properties. The salt spray test results showed that anticorrosive properties of epoxy coatings in the presence of 3 wt% and especially 1 wt% of Cloisite 308 were significantly better, thus indicating that nanoclay efficiently modifies the commercial epoxy coatings.", publisher = "Elsevier Science Sa, Lausanne", journal = "Progress in Organic Coatings", title = "The use of nanoclay in preparation of epoxy anticorrosive coatings", pages = "527-518", number = "2", volume = "77", doi = "10.1016/j.porgcoat.2013.11.017" }
Tomić, M. D., Dunjić, B., Likić, V., Bajat, J., Rogan, J.,& Đonlagić, J.. (2014). The use of nanoclay in preparation of epoxy anticorrosive coatings. in Progress in Organic Coatings Elsevier Science Sa, Lausanne., 77(2), 518-527. https://doi.org/10.1016/j.porgcoat.2013.11.017
Tomić MD, Dunjić B, Likić V, Bajat J, Rogan J, Đonlagić J. The use of nanoclay in preparation of epoxy anticorrosive coatings. in Progress in Organic Coatings. 2014;77(2):518-527. doi:10.1016/j.porgcoat.2013.11.017 .
Tomić, Miloš D., Dunjić, Branko, Likić, Violeta, Bajat, Jelena, Rogan, Jelena, Đonlagić, Jasna, "The use of nanoclay in preparation of epoxy anticorrosive coatings" in Progress in Organic Coatings, 77, no. 2 (2014):518-527, https://doi.org/10.1016/j.porgcoat.2013.11.017 . .