Nondistorted polyethylene foam structures and process for...

Details Nondistorted polyethylene foam structures and process for... Nondistorted polyethylene foam structures and process for...

B - Operations, Transporting

29

C

B29C 67/20 (2006.01) B29C 44/46 (2006.01) B29C 47/30 (2006.01) C08J 9/00 (2006.01)

Patent

CA 2104961

Disclosed is a closed-cell, non-crosslinked foam structure of a ratio of minor dimension to major dimension of 1/8 or less comprising a plurality of coalesced extruded strands or profiles of a foamed polyolefin composition having an average cell size of from 0.02 to 0.5 millimeters. The cross-sectional geometry of the foam structure substantially corresponds to the overall arrange- ment of the orifices of the die from which the foamed polyolefin composition was extruded. Further disclosed is a process for making the above foam structure comprising extruding a foamable polyolefin composition through the multiorifice die to form the structure.

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