POLYLACTIC ACID RESIN COMPOSITIONS FOR FINISHING MATERIALS INCLUDING A POLYLACTIC ACID BINDER AND WOOD DUST FILLER CAPABLE OF PROVIDING LIGHTWEIGHT FLOOR FINISHING MATERIALS

摘要

PURPOSE: A polylactic acid resin composition for finishing materials is provided to prevent the emission of harmful materials such as toxic gas and environment hormone in the combustion, to save fossil resources, and to reduce greenhouse gas.;CONSTITUTION: A polylactic acid resin composition for finishing materials comprises 100 parts by weight of polylactic acids, 10~200 parts by weight of wood mill, 5~60 parts by weight of plasticizers, and 10~1,000 parts by weight of calcium carbonate(CaCO3) and further processing aids. The plasticizers are one kind or more selected from the group consisting of citric acids, citric acid ester, fatty acid ester, polyethylene glycol, polyethylene propylene glycol, and glycerol ester. The processing aid is an acrylic copolymer and has an average molecular weight of 1,000,000~5,000,000.;COPYRIGHT KIPO 2012