Patent Number: 6,169,122

Title: Microcellular articles and methods of their production

Abstract: Semi-crystalline microcellular foams that include a midlevel amount of nucleating agent, and methods of their production, are provided. The microcellular foams can be produced in typical polymer processing techniques such as extrusion, injection molding and blow molding. The foams exhibit excellent mechanical properties and can be formed over a broad range of density into a number of different foam articles.

Inventors: Blizard; Kent (Ashland, MA), Okamoto; Kelvin T. (Boston, MA), Anderson; Jere R. (Newburyport, MA)

Assignee: Trexel, Inc.

International Classification: C08J 9/12 (20060101); C08J 9/00 (20060101); C08J 009/00 ()

Expiration Date: 01/02/2018