INFLUÊNCIA DA ADIÇÃO DE RESÍDUO DE MÁRMORE E GRANITO EM COMPÓSITOS DE MATRIZ POLIMÉRICA REFORÇADOS COM FIBRA DE COCO

Abstract

This study aimed to produce composites with an unsaturated isophthalic polyester resin matrix, using marble and granite waste as filler and coconut fiber with and without alkaline treatment. The composites were manually fabricated (hand lay-up) and evaluated for physical, mechanical, and flammability properties. The results showed that the addition of waste increased the apparent bulk density, while the coconut fiber influenced water absorption and mechanical properties. The alkaline treatment of the fiber improved adhesion to the matrix, but the composites did not meet the UL94 flammability criteria.