| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To make a substantial reduction of substances influencing on flavor transferred from a container or a container lid to a food stored in it. <P>SOLUTION: This molded food container comprises a high density polyethylene type resin having a density of 0.942 to 0.968 g/cm<SP>3</SP>, a melt mass flow rate (MFR) of 0.1 to 100 g/10 minutes, and a ratio of a weight-average molecular weight (Mw) to a number-average molecular weight (Mn) (Mw/Mn) of 6 or less characterized in that resin material constituting the container satisfies following four characteristics (1) to (4), i.e., (1) a total amount of hydrocarbon compound having 6 to 11 carbon atoms is 150 ppm or less, (2) a total amount of hydrocarbon compound having 12 to 30 carbon atoms is 200 ppm or less, (3) a content of acetaldehyde is 30 ppm or less, (4) a content of acetic acid is 30 ppm or less. <P>COPYRIGHT: (C)2004,JPO</p> |
