Development trends in man-made fibre texturing

Usenko, V. A.

doi:10.1007/bf00546283

Cited by 1 publication

(4 citation statements)

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“…Drawing action improves filament orientation and thereby increases breaking load value, but elongation diminishes in direct proportion to the amount of under feed. 1–3 On the contrary, twisting of filaments exerts lateral forces that increase the inter-filament friction, delay the rupture and thereby increase breaking loads as well as elongation. 4,38 The net effect of both the factors has resulted in increased stress but reduced strain of the feeder yarn as compared to its parent yarn (Table 3).…”

Section: Resultsmentioning

confidence: 99%

“…So it is thought to be the most suitable replacement for cotton. 1–3 However, unlike cotton it possesses remarkably low dry and wet strength. It possesses smooth slippery structure with a high degree of cohesion.…”

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“…But this involves a longer route of production due to multistep processing. 1–4,6 Thereby it adds to production cost and time. The second option is the direct use of highly twisted viscose rayon yarn in weaving.…”

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confidence: 99%

“…The clinging effect of loopy yarn also makes post treatments like twisting or stabilizing followed by heat setting compulsory. 1,2,8 Deviation of filaments from yarn axis for loop formation makes textured yarn weaker than parent yarn. This becomes significant in case of an originally weaker parent yarn.…”

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Mechanical crimp texturizing of non-thermoplastic viscose rayon yarn

Shaikh

Chaudhari

Varma

2014

Textile Research Journal

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There are technological limitations in the processing of smooth, slippery and rather flat multifilament viscose rayon yarn. The present work describes a shorter route for viscose rayon modification through mechanical crimp texturizing. Texturizing was performed with different pre-twists and optimized texturizing twist. This work describes a shorter and cost effective route for viscose rayon modification through mechanical crimp texturizing. The prepared texturized viscose rayon yarn has achieved the desirable structural characteristics of spun yarn as depicted in SEM micrographs. The textured yarn has retained an almost identical fineness with the parent yarn. Unlike air jet texturizing, mechanical crimp texturizing has benefits in terms of retro-processing of costlier viscose rayon yarn. Although it was textured, it has not shown any significant drop in tenacity and, apart from that, shows enhanced the elongation property compared to the parent yarn.

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Section: Resultsmentioning

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