shell powder filled polypropylene composite and manufacturing method the composite

摘要

The present invention relates to a shell powder having an average size of 10 to 600 m and a shell powder comprising 95 to 99% of water and 1 to 5% of polyvinyl alcohol (PVA) so that the shell powder is mixed with the shell powder, A polypropylene composition comprising a polypropylene resin mixed with a PVA solution mixed with an additive made by mixing the shell powder and a PVA solution and a method for producing the polypropylene composition, To improve the biodegradability thereof, to obtain excellent physical properties, and to achieve flame retardancy.;