| abstract |
An ice chest cooler of rigid expanded plastic foam and method of manufacture having a chest base whose inner surface that is to be in contact with food, the user hand or other objects, contains an inorganic antimicrobial agent which can be a zeolite. The agent is in an effective amount to kill the bacteria. The agent can be incorporated in the resin constituent of the foam, placed on a surface of the mold to be embedded in the surface as the foam expands, or be contained in a coating applied to the inner surface. |