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This study sought to develop composites using polymeric matrix the high-density polyethylene and cellulose was used as reinforcement obtained from rice husk. The composites were prepared in the proportions of 5, 10 and 15% by mass of cellulose, using for this a single screw extruder. The cellulose pulp obtained was characterized by x-ray diffraction. Composite materials were characterized by thermogravimetric analysis and differential scanning calorimetry. Through the results of x-ray diffraction it was possible to demonstrate an increase in the index of crystallinity of cellulose after successive chemical treatments, as well as a slight increase in thermal stability with the addition of load. However, the data obtained by differential scanning calorimetry did not show a significant improvement in their results.

PROPRIEDADES TÉRMICAS DE COMPÓSITOS DE POLIETILENO DE ALTA DENSIDADE REFORÇADOS COM CELULOSE