Impact of Blend Ratio on Cotton-modal Blended Ring-spun Yarn Quality with Varying Modal Fibre Percentage

Subrata Kumar Saha and Jamal Hossen

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Received: January 23, 2020       Accepted: February 10, 2020

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Abstract: Fibre blend ratio is an important factor that determines the properties of spun yarn. Modal is a regenerated manmade fibre and free from short fibres, neps and impurities. In this paper, the influence of modal fibre percentage on the properties of cotton-modal blended yarn was studied. Cotton-modal blended yarn with blend ratio of 80:20, 70:30 and 50:50 and 100% cotton yarns of 30 Ne were produced in ring spinning frame. The experimental results showed that the yarn quality parameters such as irregularity, thick places, thin places, neps, Imperfection Index and hairiness of 100% cotton are higher than cotton-modal blended yarn. With the increase of modal fibre percentage, the quality of blended yarns was improved than 100% cotton yarn. The unevenness of cotton-model blended yarn was decreased by 22% with the increase of model fibre proportion from 0 to 50%. In regards to the Count Strength Product (CSP) value, the cotton-modal blended yarns showed an increasing trend with increasing of modal fibre percentage in the blend ratio. It can be attributed that the absence of short fibres in modal fibre, which phenomena was contributed to the yarn properties with increasing the modal fibre percentage. Increasing modal fibre proportion was reflected in the considerable enhancement of cotton-modal fibre blended yarn quality.

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