Cellular polymeric material

摘要

A formulation includes a polymeric material, a nucleating agent, and a surface active agent. The formulation can be used to form an insulated container. An insulated container in accordance with the present disclosure, which may be a drink cup or a food-storage cup, is manufactured from a sheet extrudate or tubular extrudate produced in an extrusion process. In illustrative embodiments, the extrudate is a cellular polymeric material.