In this research, poly(lactic acid) (PLA) was toughened and improved the crystallinity by rubber particles and in-organic filler. CaCO3 was employed as a filler and nucleating agent while poly(methyl methacrylate)-poly(b ...

A benzoxazine binder modified by incorporating (1) friction additives, such as graphite, alumina, silicon oxide, zirconium silicate, and coke; (2) reinforcing fibers, such as aramid pulp, potassium titanate, ceramic fiber, ...