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Temperature regulating cellulosic fibers and applications thereof

  • US 7,579,078 B2
  • Filed: 07/27/2006
  • Issued: 08/25/2009
  • Est. Priority Date: 09/21/2001
  • Status: Expired due to Term
First Claim
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1. A cellulosic fiber comprising:

  • a fiber body including a cellulosic material and a plurality of microcapsules dispersed in the cellulosic material, the plurality of microcapsules containing a phase change material having a latent heat of at least 40 J/g and a transition temperature in the range of 0°

    C. to 100°

    C., the phase change material providing thermal regulation based on at least one of absorption and release of the latent heat at the transition temperature, wherein the cellulosic fiber includes from 5 percent to 40 percent by weight of the plurality of microcapsules containing the phase change material.

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