COMPOSITE REGENERATED COTTON AND BAST FIBER YARN AND METHOD FOR MAKING THE SAME
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Aug 13, 2009
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Jan 9, 2008
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Abstract
A composite bast fiber and cotton yarn is formed by blending natural bast fibers with cotton fibers which have been regenerated from waste cotton material such as trimmings and cuttings from the apparel manufacturing industry. The regenerated cotton and bast fibers are cleaned and blended, then carded to align the fibers into strands. Depending on the size and texture of the desired yarn, the fibers are stretched and drawn into slivers prior to spinning to join the fibers together. The natural bast fibers are up to two and one half to three time longer than the regenerated cotton fibers, so that the natural bast fibers overlap and braid onto the regenerated cotton fibers during spinning. The resultant yarn is stronger and more absorbent than yarns made solely out of regenerated cotton fibers, a blend of regenerated cotton and acrylic fibers, or regenerated cotton and polyester fibers currently available.
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