Morphological and Thermal Properties of Solid State Polymerized Nylon 6 Micro-Nanocomposites
The solid state polymerization of nylon 6 micro-nanocomposites using cloisite 10A (CLO-10A) and inorganic montmorillonite (MMT) as particles was studied. The reactions were carried out using pellets of nylon 6 micro-nanocomposites with 0.8% of CLO-10A and 0.2% of MMT. The pellets were placed in a stainless steel reactor with a stream of nitrogen heated gas using 30, 70 and 150 bubbles/min. The time reaction of 10, 16 and 22 h was varied and the temperature of 190 °C was used. The SEM results indicated a well dispersed clay in the nylon 6 phase and confirmed by X-ray analysis. By DSC technique there is not any substantial change of nylon 6 melting temperature, but the polymorphism is observed. The α phase was predominant at 10 h of reaction, increasing the γ phase at a time of 22 h of reaction. The best results of molecular weight were at lower reaction time.
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Document Type: Research Article
Publication date: December 1, 2013
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