Stretched polymers, products containing stretched polymers and their method of manufacture
AssigneeRed Bank Technologies LLC
InventorJohn N. Magno
Life of this patent
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Abstract
Disclosed herein are polymer elements, e.g. fibers and tapes, produced by a process consisting of a series of hot drawing steps interspersed with periods of quiescent heating and the process for producing the same. The polymer elements may comprise polyolefin materials such as ultra-high molecular weight polyethylene. The polymer elements may be used to form fabrics or composite materials by themselves or in combination with other polymeric materials.
Claims18
A polymer element comprising polymeric material that has been hot drawn by a process that comprises a series of two or more stretching cycles that are interspersed with periods during which the polymer is heated but not stretched or, constant or reduced stretching tension is applied.
A process for producing polymer elements in which polymeric material is hot drawn by a process that comprises a series of two or more stretching cycles that are interspersed with periods during which the polymer is heated but not stretched or, constant or reduced stretching tension is applied.
Dependencies are inferred from the claim text.