POLYPROPYLENE RESIN MARKING FILM

摘要

PROBLEM TO BE SOLVED: To prepare a flexible polypropylene resin marking film having excellent flexibility and high gasoline resistance without causing a necking phenomenon and used for automotive door sashes, and the like. SOLUTION: There is provided a three-layer structure of a right side layer composed of a crosslinked polyurethane resin, a substrate layer composed of a resin mixture of an internally plasticized type polypropylene resin having 3-7 pts. wt. of hexane-eluted components with an internally plasticized type polypropylene resin having 7-15 pts. wt. of hexane-eluted components, an ethylene-acrylic ester oligomer and an inorganic additive and an adhesive layer composed of an acrylic resin. COPYRIGHT: (C)2005,JPO&NCIPI