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  • Open Access


    Poly(phenylene oxide) and Renewable Polyamide 11 Blends Compatibilized by Ethylene-n-Octene Copolymer

    Regina Jeziorska*, Agnieszka Abramowicz, Agnieszka Szadkowska, Anna Pasnik and Ewa Spasowka

    Journal of Renewable Materials, Vol.6, No.7, pp. 772-783, 2018, DOI:10.7569/JRM.2018.634114

    Abstract Poly(phenylene oxide)/renewable polyamide 11 (PPO/PA11 20/80) blends toughened with glycidyl methacrylate grafted ethylene-n-octene copolymer (GEOC) were prepared in a co-rotating twin-screw extruder. The reaction between GEOC and PPO/PA11 blend was analyzed by gel content tests. The morphology of PPO/PA11/GEOC blends was observed by scanning electron microscope. The SEM results showed that PPO formed the continuous phase, though it is a minority component of blends. With increasing GEOC content from 5 to 15 wt% the morphology of the blends transformed from droplet-matrix to co-continuous structure, in which both PA11 and PPO phases are continuous. The blend with co-continuous morphology had better… More >

  • Open Access


    Effect of Cellulose Nanocrystals on Fire, Thermal and Mechanical Behavior of N,N’-Diallylphenylphosphoricdiamide Modified Poly(lactic acid)

    Weijun Yang1†, Xiaomin Zhao2†, Elena Fortunati1, Franco Dominici1, Jose M. Kenny1, Debora Puglia1*, De-Yi Wang2*

    Journal of Renewable Materials, Vol.5, No.5, pp. 423-434, 2017, DOI:10.7569/JRM.2017.634146

    Abstract Presented herein is a deep investigation of the fire, mechanical and thermal performances of poly(lactic acid) (PLA)-based nanocomposites, which were obtained by combining cellulose nanocrystals (CNC) with various contents of N,N’-diallyl-phenylphosphoricdiamide (P-AA) via a two-steps masterbatch melt extrusion process (glycidyl methacrylate grafting on PLA and CNC premixing with PLA). Results have shown that the value of the limiting oxygen index (LOI) increased to 28.8% and a V-0 rating in UL94 test was obtained when 2 wt% of P-AA was added in the presence of cellulose nanocrystals (3 wt%). The incorporation of CNC induced a decrease of both PHRR and THR… More >

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