Jute Composites.

      Аннотация: Composites are those materials formed by aligning extremely strong and stiff continuous or chopped fibers in a polymer resin matrix or binder. The fibers make them useful; the fibers are typically 50 times stronger and 20-25 times stiffer than the matrix polymers. The role of matrix is primarily that of a glue or binder which enables the fibers to support the applied load. Fibers are combined with a resin and laminated to support the applied load. Many laminates exhibit mechanical properties equal to or exceeding those of most metals . Combining and orienting materials to achieve superior properties is an old and well -proven concept; examples of this synergism around in nature . Wood contains an oriented hard phase which provides strength and stiffness and a softer phase for toughness. Other natural composites are found in teeth, bones, bird feathers and plant leaves. The use of chopped straw by the Israelites to control residual cracking in bricks is one example.

Ключевые слова: unsaturated polyester resin, mechanical properties, Composite, TGA & DSC.