Abstract
The effect of ultrasonic treatment on thermal stability of binary systems containing epoxy and organic chemically modified montmorillonite (Cloisite 30B) was studied. Differential scanning calorimetry (DSC), thermal gravimetric analysis (TGA), transmission electron microscopy (TEM), and wide angle X-ray diffraction (WAXD) analysis were utilized. The mixing of epoxy and Cloisite 30B nanocomposites was performed by mechanical stirring, followed by 1 or 3-hour ultrasonic treatment, and polyetheramine as the curing agent. Both XRD and TEM analyses confirmed that the intercalation of Cloisite 30B was achieved. The d 0 spacings for silicate in cured sample prepared at 1- and 3-hour duration of ultrasonic treatment were about 21 and 18Å, respectively. This shows that shorter duration or ultrasonic treatment may be preferable to achieve higher d 0 spacing of clay. This may be attributed to the increase in viscosity as homopolymerization process occurred, which restricts silicate dispersion. The 1-hour sonicated samples seem to be more thermally stable during the glass transition, but less stable during thermal decomposition process.
| Original language | English |
|---|---|
| Article number | 789815 |
| Journal | Advances in Materials Science and Engineering |
| Volume | 2012 |
| DOIs | |
| Publication status | Published - 2012 |
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ASJC Scopus subject areas
- Materials Science(all)
- Engineering(all)
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The effect of ultrasonic treatment on thermal stability of the cured epoxy/layered silicate nanocomposite. / Yuhana, Nor Yuliana; Ahmad, Sahrim; Bahri, A. R Shamsul.
In: Advances in Materials Science and Engineering, Vol. 2012, 789815, 2012.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - The effect of ultrasonic treatment on thermal stability of the cured epoxy/layered silicate nanocomposite
AU - Yuhana, Nor Yuliana
AU - Ahmad, Sahrim
AU - Bahri, A. R Shamsul
PY - 2012
Y1 - 2012
N2 - The effect of ultrasonic treatment on thermal stability of binary systems containing epoxy and organic chemically modified montmorillonite (Cloisite 30B) was studied. Differential scanning calorimetry (DSC), thermal gravimetric analysis (TGA), transmission electron microscopy (TEM), and wide angle X-ray diffraction (WAXD) analysis were utilized. The mixing of epoxy and Cloisite 30B nanocomposites was performed by mechanical stirring, followed by 1 or 3-hour ultrasonic treatment, and polyetheramine as the curing agent. Both XRD and TEM analyses confirmed that the intercalation of Cloisite 30B was achieved. The d 0 spacings for silicate in cured sample prepared at 1- and 3-hour duration of ultrasonic treatment were about 21 and 18Å, respectively. This shows that shorter duration or ultrasonic treatment may be preferable to achieve higher d 0 spacing of clay. This may be attributed to the increase in viscosity as homopolymerization process occurred, which restricts silicate dispersion. The 1-hour sonicated samples seem to be more thermally stable during the glass transition, but less stable during thermal decomposition process.
AB - The effect of ultrasonic treatment on thermal stability of binary systems containing epoxy and organic chemically modified montmorillonite (Cloisite 30B) was studied. Differential scanning calorimetry (DSC), thermal gravimetric analysis (TGA), transmission electron microscopy (TEM), and wide angle X-ray diffraction (WAXD) analysis were utilized. The mixing of epoxy and Cloisite 30B nanocomposites was performed by mechanical stirring, followed by 1 or 3-hour ultrasonic treatment, and polyetheramine as the curing agent. Both XRD and TEM analyses confirmed that the intercalation of Cloisite 30B was achieved. The d 0 spacings for silicate in cured sample prepared at 1- and 3-hour duration of ultrasonic treatment were about 21 and 18Å, respectively. This shows that shorter duration or ultrasonic treatment may be preferable to achieve higher d 0 spacing of clay. This may be attributed to the increase in viscosity as homopolymerization process occurred, which restricts silicate dispersion. The 1-hour sonicated samples seem to be more thermally stable during the glass transition, but less stable during thermal decomposition process.
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U2 - 10.1155/2012/789815
DO - 10.1155/2012/789815
M3 - Article
VL - 2012
JO - Advances in Materials Science and Engineering
JF - Advances in Materials Science and Engineering
SN - 1687-8434
M1 - 789815
ER -