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Fabrication and Application of Nanofiber Ribbons and Sheets and Twisted and Non-Twisted Nanofiber Yarns

  • US 20080170982A1
  • Filed: 11/09/2005
  • Published: 07/17/2008
  • Est. Priority Date: 11/09/2004
  • Status: Active Grant
First Claim
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1. A process for producing a yarn comprising nanofibers, the process comprising the steps of:

  • (a) providing a pre-primary assembly, wherein the pre-primary assembly comprises a an array of substantially parallel nanofibers;

    (b) drawing from the pre-primary assembly to provide a primary assembly of the nanofibers having an alignment axis about which twisting can occur, wherein the primary assembly is selected from the group consisting of (i) an aligned array and (ii) an array that is converging toward alignment about the alignment axis; and

    (c) twisting about the alignment axis of said primary assembly to produce a twisted yarn.

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