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Faculty Publications - Textiles, Merchandising and Fashion Design

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Structure And Properties Of Cocoons And Silk Fibers Produced By Hyalophora Cecropia, Narendra Reddy, Yiqi Yang Jan 2010

Structure And Properties Of Cocoons And Silk Fibers Produced By Hyalophora Cecropia, Narendra Reddy, Yiqi Yang

Faculty Publications - Textiles, Merchandising and Fashion Design

This paper shows that silk fibers produced by cecropia (Hyalophora cecropia) have similar tensile properties but different amino acid composition than that of mulberry (Bombyx mori) silk. The cecropia fibers are also much finer and have better strength and modulus than tasar silk, the most common non-mulberry silk. Cecropia is one of the largest silk producing moths and has similar lifecycle to that of mulberry silk but is easier to grow and produces larger cocoons than mulberry silk. In this study, we have characterized the composition, morphology, physical and tensile properties, and thermal behavior of the cecropia silk. Cecropia cocoons ...