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Title: Some studies on properties of wrapped jute/acrylic (parafil) yarns
Authors: Sharma, I C
Chatterjee, K N
Mukhopadhyay, A
Ray, N C
Keywords: Abrasion resistance;Flexural rigidity;Hairiness;Imperfection;Jute/acrylic fibre;Parafil yarn;Tenacity;Toughness
Issue Date: Jun-1997
Publisher: NISCAIR-CSIR, India
Abstract: The effects of blend composition in the core and of wrap density on the properties of parafil yarns prepared using jute/acrylic fibres as core and polyester as wrapper filaments have been studied. It is observed that the unevenness, imperfections and mechanical properties of parafil yarn are greatly influenced by both blend composition and wrap density. With increase in acrylic component at comparable wrap density, the total imperfections, CVm%, initial modulus, strength CV% and flexural rigidity show decreasing trend but hairiness index, tenacity, breaking extension, toughness and abrasion resistance tend to increase. With increase in wrap density the breaking extension and abrasion resistance decrease, whereas hairiness index, initial modulus, toughness and flexural rigidity increase. Tenacity first increases and then decreases with increase in wrap density, whereas CVm% does not show any trend. As compared to jute parafil yarn, the conventional jute yarn shows less CVm%, imperfections, extension at break, toughness and flexural rigidity but higher hairiness index, tenacity and abrasion resistance.
Page(s): 89-93
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.22(2) [June 1997]

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