Expandable polylactic acid-based thermal and protective packaging having advanced living hinges and methods thereof
AssigneeLifoam Industries, LLC
InventorsSaumitra Bhargava, Jonathan Godfrey
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Abstract
Molded foam articles are provided. The molded foam articles have at least one surface having at least a portion that has been skin-formed for forming a skin-formed living hinge for enabling a robust living hinge capable of hundreds of open/close cycles at angles of up to 270°.
Claims20
A molded bead foam article comprising at least two component foam articles formed from polylactic acid, wherein a first surface of a first component foam article is proximal to a second surface of a second component foam article, and wherein the first surface and second surface have been skin-formed.
A method for producing a molded bead foam article comprising:
- molding a plurality of foam beads comprising polylactic acid in a mold to produce two or more component foam articles, and
- skin-forming a first surface of a first component foam article and a second surface of a second component foam article.
Dependencies are inferred from the claim text.