抄録
Bagasse is the waste fiber obtained after squeezing sugar cane. Our purpose is to find a more valuable usage of the bagasse as a composite material. The composite material is compounded unsaturated polyester, crushed bagasse fiber and glass fiber. FRP (Fiber Reinforced Plastic) material in our research was produced by injection molding and injection compression molding using BMC (Bulk Molding Compound) material. The product was investigated about the optimum condition in term of the mechanical strength and property. Consequently, it was found that the glass fiber was penetrated into a bagasse fiber in the injection to the cavity of the mold. The effect of fixing the glass fiber in a batgasse signified equivalently to prolong the glass fiber length. Furthermore, according to the kneading action and capillarity work in BMC, the liquefied unsaturated polyester resin was sufficiently permeated through the bagasse fiber of vegetable fiber. This phenomenon contributed to the improvement of mechanical strength because of the friction increase between resin and bagasse fiber.