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Dr. Ahmed Ali Abd El Maksoud El Hosary :: Publications:

Title:
Influence of Some Commercial Blends between the Imported Cotton and the Upper Egyptian Varieties on Technological Properties
Authors: Entsar A. F. Abdel-Ghaffar; Gaber Y. M. Hammam; Ahmad A. A. El-Hosary; El-Saeed M. M. ElGedwy and Abd El-Based A. Hassan
Year: 2019
Keywords: Egyptian cotton, upland cotton, yarn counts, fiber and yarn technological properties
Journal: Annals of Agric. Sci., Moshtohor Vol. 57 (1) (2019), 31 – 38
Volume: 57
Issue: 1
Pages: 31-38
Publisher: Fac. Agic. Moshtohor
Local/International: Local
Paper Link: Not Available
Full paper Ahmed Ali Abd El Maksoud El Hosary_4 Entsar Abd El Ghaffar Full Paper 31 – 38.pdf
Supplementary materials Not Available
Abstract:

The present study was carried out during 2016 season on the laboratory at Cotton Technology Research Division, Cotton Research Institute, Agricultural Research Center, Giza, Egypt, to investigate the effect of seven cotton materials, i.e. pure Egyptian cotton ofGiza 90 (T1), pure Egyptian cotton ofGiza 95 (T2), pure upland cotton (T3), blend of 65 % Giza 90 + 35 % upland cotton (T4), blend of 65 % Giza 95 + 35 % upland cotton (T5), blend of 35 % Giza 90 + 65 % upland cotton (T6) and blend of 35 % Giza 95 + 65 % upland cotton (T7) and four yarn counts, i.e. 15’s, 20’s, 25’s and 30’s on fiber and yarn technological properties under using the new technique of the rotor open-end spinning system. The obvious results of this investigation can be summarized as follows: The differences between the studied seven cotton materials in mean values of all fiber and yarn technological properties were significant. Pure Egyptian cotton of Giza 95 significantly recorded the highest mean values for upper half mean length (mm), uniformity ratio (%), fiber strength (g/tex), maturity, maturity ratio (%), reflectance degree, No. of convolution/cm and yarn strength vice versa, it gave the lowest mean values of fiber elongation (%), fineness (mill/tex), diameter (µ), No. of reversal/cm, evenness/100 m, No. of neps/100 m, No. of thin places/100 m, No. of thick places/100 m and hairiness. While, Pure Egyptian cotton of Giza 90 significantly recorded the maximum mean value of yellow-ness, however it gave the lowest mean values of short fiber index (%) and micronaire value. Meanwhile, the maximum mean values of short fiber index (%), fiber elongation (%), micronaire value, fineness (mill/tex), diameter (µ), No. of reversal/cm, evenness/100 m, No. of neps/100 m, No. of thin places/100 m, No. of thick places/100 m and hairiness as well as, the minimum mean values of upper half mean length (mm), uniformity ratio (%), fiber strength (g/tex), maturity ratio (%), yellow-ness and No. of convolution/cm which were obtained from pure upland cotton. But, no significant differences were detected between T1 and T2 as well as between T4 and T5 also between T6 and T7 were no significant on allmost fiber and yarn technological properties. Increasing yarn counts from 15’s, 20’s and 25’s to 30’s caused significant increments in mean values of evenness/100 m, No. of neps/100 m, No. of thin places/100 m and No. of thick places/100 m. On the other hand, mean values of yarn strength and hairiness were significantly decreased with increasing yarn counts. The yarns produced at yarn count of 30’s significantly recorded the maximum mean values of evenness/100 m, No. of neps/100 m, No. of thin places/100 m and No. of thick places/100 m as well as, gave the lowest mean values of yarn strength and hairiness. Meanwhile, the maximum mean values of yarn strength and hairiness as well as, the lowest mean values of evenness/100 m, No. of neps/100 m, No. of thin places/100 m and No. of thick places/100 m which were obtained from yarn count of 15’s. Significant effect of the interaction between seven cotton materials and four yarn obtained for mean values of yarn strength, No. of neps/100 m, No. of thin places/100 m and No. of thick places/100 m. Meanwhile, mean values ofevenness/100 m and hairiness were not significantly affected by the interaction between cotton materials and yarn counts. The greatest mean value of yarn strength as well as, the lowest mean values of No. of neps/100 m, No. of thin places/100 m and No. of thick places/100 m which were obtained from pure Egyptian cotton of Giza 95 at yarn count of 15’s. Meanwhile, The highest mean values of No. of neps/100 m, No. of thin places/100 m and No. of thick places/100 m as well as the lowest of mean value of yarn strength which were obtained from pure upland cotton yarn count of 30’s.

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