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US 10,208,403 B2Granted
Cellulosic fibers having enhanced reversible thermal properties and methods of forming thereof
AssigneeOutlast Technologies, Inc.
InventorsMark Hartmann, James Brice Worley, Matthew North
Life of this patent
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Abstract
A viscose fiber comprises a fiber body including a regenerated cellulosic material and a plurality of microcapsules dispersed in the regenerated cellulosic material. The regenerated cellulosic material is derived from an organic plant material and the plurality of microcapsules containing a phase change material has 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 latent heat at the transition temperature.
Claims10
A cellulosic article comprising:
- a cellulosic matrix, the matrix including at least one organic compound and
- a nanoscale containment structure;
- wherein the nanoscale containment structure surrounds the at least one organic compound,
- wherein the at least one organic compound is present in an amount of more than 10% by weight, based on the weight of the cellulosic matrix,
- wherein the at least organic compound has a melting point of less than 100° C. and is selected from the group consisting of hydrocarbons, waxes, oils, fatty acids, fatty acid esters, stearic anhydrides and alcohols, and
- wherein the article has a latent heat of greater than 20 J/g in a temperature range from 15 to 45° C.
3 more elements
A cellulosic article comprising:
- a cellulosic matrix, the matrix including at least one organic compound;
- at least one of,
- a nanoscale containment structure;
- and
- an elongated member,
- wherein the nanoscale containment structure surrounds the at least one organic compound,
- wherein the at least one organic compound is present in an amount of more than 10% by weight, based on the weight of the cellulosic matrix,
- wherein the at least organic compound has a melting point of less than 100° C. and is selected from the group consisting of hydrocarbons, waxes, oils, fatty acids, fatty acid esters, stearic anhydrides and alcohols, and
- wherein the article has a latent heat of greater than 20 J/g in a temperature range from 15 to 45° C.
6 more elements
Dependencies are inferred from the claim text.