Journal
TEXTILE RESEARCH JOURNAL
Volume 89, Issue 9, Pages 1725-1733Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0040517518779252
Keywords
cottonseed protein; nonwovens; dry strength; burst strength; tongue tear; Fourier transform infrared spectroscopy; scanning electron microscopy; thermogravimetric analysis
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Nonwoven fabrics have grown in popularity in recent years due to their overwhelming usage in a wide range of consumer products. Cotton-based nonwovens are of particular interest because of their ability to be recycled and reused, resulting in a more environmentally friendly product compared to their petroleum-based counterparts. The current research characterized the use of cottonseed protein as an additive to increase the dry strength of cotton-based nonwovens. The tensile strength of nonwovens was found to increase as the concentration of protein applied was increased. At 11% protein concentration, the tear strength and burst strength increased significantly (relative to the nonwoven by itself) by 288% (machine direction) and 295%, respectively. Further characterization by thermogravimetric analysis, Fourier transform infrared spectroscopy, and scanning electron microscopy suggested that cottonseed protein interacted with the cotton fiber in the nonwoven fabric to produce the increased dry strength.
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