For example, a polyolefin-based resin such as polyethylene, polypropylene, or polymethylpentene; a vinyl-based copolymer such as vinyl chloride, vinyl acetate, a vinyl chloride-vinyl acetate copolymer, an ethylene-vinyl acetate copolymer, vinylidene chloride, polyvinyl butyral, or polyvinyl alcohol; an acryl-based resin; a polyester-based resin; a urethane-based resin; a cellulose-based resin such