Effect of Scouring and Bleaching on the Abrasion Life of Sized Yarns

Ohta, Kenichi; Yasuda, Yoshinori; Komurasaki, Kazuhiko

doi:10.4188/jte1955.30.35

Cited by 2 publications

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“…Materials, methods of preparation, results of weaving tests, and fabric properties of samples [1][2][3][4][5][6][7][8][9][10][11][12] are described in reference 6. Sampie 13 was prepared in the same way as sample 12, and samples 14-16 were sized with polyvinyl alcohol ( PVA ) in a Callaway slasher ( 7 ] .…”

Section: Experimental Materials and Weaving Performancementioning

confidence: 99%

“…Zweigle abrasion tester [ 5 ], the Vezelinstitut TNO abrasion tester [I ], the Reutlinger Webtester [ 12 ] , TRI's cyclic tensile abraders ( CTA ) [ 2,3,11 ] , and the Hitata abrasion tester [ 9 ] . Several studies have reported that no consistent correlations can be found between abrasion resistance and weaving performance [ 10 ] , however, and reproducibility of abrasion testing results from laboratory to laboratory and machine to machine has been very poor.…”

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Abrasion Studies of Sized Cotton Yarns Before and After Weaving

Friedman

Miller

Kepka

et al. 1989

Textile Research Journal

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Cotton warp yams treated with various sizing formulations were subjected to weaving trials. Warp yams extracted from the greige fabrics (woven yarns) and those from their antecedent loom beams (feed yarns) were subjected to abrasion resistance measurements with the Zweigle yam abrader and TRI's multistation cyclic tensile abrader (CTA), as well as to tensile measurements of breaking force. CTA abrasion resistance values were much more sensitive to differences in size treatments than Zweigle values, and there were significant differences in the rankings by the two methods. In general, correlations were good between weaving performance and CTA values for both feed and woven yams and Zweigle values for feed yams only. A statistical analysis was developed for finding the fraction of "most vulnerable" yam specimens for each sample. Using CTA data, this fraction showed good correlation with weaving performance for both feed and woven yams. Using CTA measure ents of the abrasion resistance of warp yams from greige fabrics to evaluate weavin performance could significantly shorten the time currently devoted to weaving trials. Weaving performance tended to improve with increasing relative tensile breaking force of the feed yams, but there was no such correlation for the woven yams.Those in the field of yarn slashing generally agree that sizing agents applied to warp yarns must impart some degree of abrasion resistance. Indeed, many researchers feel that abrasion resistance is the single most important property imparted by a sizing agent. Accordingly, a number of instruments and techniques have been used to evaluate abrasion resistance, including stationary weaving [ 10 ], the shed tester [ 13 ] , the

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Section: Experimental Materials and Weaving Performancementioning

confidence: 99%

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confidence: 99%

Abrasion Studies of Sized Cotton Yarns Before and After Weaving

Friedman

Miller

Kepka

et al. 1989

Textile Research Journal

View full text Add to dashboard Cite

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Tensile Properties and Static Fatigue Behavior of Cotton Warp Yams

Anandjiwala

Carmical

Goswami

1995

Textile Research Journal

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Warp yams under a state of dynamic loading on a loom have to withstand cumulative damage caused by tensile fatigue at relatively low loads coupled with the abrasive action of the machine parts. To evaluate the fatigue phenomenon of sized cotton yams and its correlation with performance on a loom, one must first understand basic mechanical properties of yams in terms of fiber properties and fiber length distribution. The first section of this paper reports on the effect of fiber length distribution on tensile properties of yams at various tensile strain rates, and the second section presents the . fatigue behavior of 100% cotton yams. Fiber length and its distribution in cotton yams seem to influence the tensile behavior of both sized and unsized yams at all strain rates, but strain rates do not play a significant role in determining the properties of sized yams. Adding size tends to mask the effect of fiber length variation, particularly at higher size loading. The tensile properties of sized cotton yams are also influenced by the size type, such as polyester, carboxymethyl cellulose, and polyvinyl alcohol, at all add-on levels. The fatigue behavior of 100% cotton unsized and sized yam is eval uated using a Sulzer-Ruti Webtester. The mechanism of yam failure due to fatigue/ abrasion for unsized yam is affected by short fiber content. The base tension has the largest overall effect. Unsized yam containing 10% comber noil has an optimum bal ance of short and long fibers, making the yam structure more resistant to fatigue / abrasion. In sized yam, the effect of short fibers is partly masked by the properties and compatibility of size materials with the substrate. Polyester size has poor com patibility with cotton fibers; carboxymethyl cellulose and partially hydrolyzed polyvinyl alcohol tend to produce very highly increased resistance to fatigue and abrasion. Rep resenting fatigue /abrasion data in terms of mean or average lifetimes is questionable due to contradictory evidence. Representing fatigue data in terms of a three-parameter Weibull distribution leads to realistic interpretations.

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Effect of Scouring and Bleaching on the Abrasion Life of Sized Yarns

Cited by 2 publications

References 0 publications

Abrasion Studies of Sized Cotton Yarns Before and After Weaving

Abrasion Studies of Sized Cotton Yarns Before and After Weaving

Tensile Properties and Static Fatigue Behavior of Cotton Warp Yams

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