Lamination of microcellular articles
AssigneeTrexel, Inc.
InventorsSrinath P. Tupil, Klaus Büchner, Patrick M. Lahmann
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Abstract
Articles including material laminated to a surface of a microcellular substrate are disclosed, as well as methods of making these articles. Microcellular polymeric material in sheet form can be extruded and continuously fed from the extruded to a lamination system, or microcellular sheet can be produced and stored, and then fed into a lamination system.
Claims12
A multi-layered article comprising a first portion of a first, essentially closed-cell microcellular material and a second portion of a paper-based sheet material adhered directly to the first portion, the microcellular material having an average cell size of less than about 80 microns and a void fraction of 90% or more.
Dependencies are inferred from the claim text.