ABSTRACT

A composite material is generally composed of two or more materials in such a way that the resulting materials have certain desired properties or improved properties. Nowadays, environmental concerns result in increasing interest in natural materials. Petroleum-based materials are nonbiodegradable and toxic in nature. The biobased resins and fibers used in the green composites are biodegradable, as well as biocompatible and nontoxic. Polysaccharide-based composites are used in the field of biomedical engineering, drug carriers, and biopolymer in film packaging. Thermoset composites are generally made on glass, carbon/aramid fibers, usually has presence of resins such as vinyl esters, polyesters, phenolics/epoxies. Thermoplastic systems are based on polymers that can be shaped in a liquid state at temperatures higher than their glass transition temperature or higher than their melting temperature.