THERMAL REGULATING THREE-DIMENSIONAL INSULATIVE STRUCTURES AND ARTICLES COMPRISING THE SAME
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United States of America Patent
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Nov 11, 2021
app pub date -
Oct 8, 2019
filing date -
Oct 15, 2018
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Abstract
Insulation and filling material that includes a plurality of assemblages of a blend of a plurality of fiber are disclosed. The blend of fibers includes 20 to 80 wt % cellulosic fibers including a phase change material having a fiber size less than 6 denier and a specific latent heat of greater than 20 J/g in a temperature range from 15 to 45 degrees Celsius, and 20 to 80 wt % synthetic polymeric fibers having a fiber size less than 6 denier. The assemblages form three-dimensional structures with internal air spaces. The assemblages may be fiberballs or discrete longitudinally elongated floccules with a relatively open enlarged medial portion and relatively condensed twisted tail portions extending from opposing ends of the medial portion. The insulation or filling material has at least 0.8 clo/oz/sqyd.
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