Dynamic Mechanical Properties and Thermal Stability of PTT/POE/OMMT Nanocomposites


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The dynamic mechanical properties, phase morphology and thermal stability of the poly(trimethylene terephthalate)/maleinized poly(octene-ethylene)/organo-montmorillonite nanocomposites (PTT/POE/OMMT) were investigated by using the thermodynamic mechanical analyzer (DMA), transmission electron microscopy (TEM) and thermal gravimetric analyzer (TGA), respectively. The results suggest that the modulus of elasticity of the PTT/POE/OMMT nanocomposite increases, and the glass transition temperature first slightly decreases and then increases with increasing OMMT content because that the TPP plays the role of plasticizer and OMMT plays the role of reinforcing agent. OMMT disperse evenly in the polymer matrix with most of the strip-like sheet morphology. The addition of the OMMT does not apparently affect the thermal stability of the PTT/POE/OMMT nanocomposite.



Edited by:

Helen Zhang and David Jin




M. T. Run et al., "Dynamic Mechanical Properties and Thermal Stability of PTT/POE/OMMT Nanocomposites", Advanced Materials Research, Vol. 366, pp. 306-309, 2012

Online since:

October 2011




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