Abstract
This study investigates the mechanisms of fuzz formation in thermally point-bonded nonwovens, focusing on the effects of bonding temperature and bond pattern. We assessed the degree of fuzz formation in homocomponent PP spunbond fabrics bonded at four different temperatures and with four different bond patterns by utilizing confocal laser scanning microscopy and three-dimensional (3D) image processing. Our findings reveal that bonding conditions and bond geometry significantly influence fuzz formation; higher bonding temperatures and bond patterns arranged more closely to minimize the presence of bond-free pathways effectively reduce fuzz formation. However, higher bond temperatures and closely spaced bonds also impact other important properties, such as bending rigidity and drapability. This work offers insights into achieving an optimal performance for PP spunbond thermally point-bonded nonwovens by controlling calendering parameters.
Published Version
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