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Effects of tempering time and tempering temperature of caustic mercerization on the spectral and electrical properties of Egyptian cotton fibres

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Abstract

Several samples of Egyptian cotton fabric strips were subjected to various caustic mercerization conditions, varying in temperature and time. On these samples extensive measurements were undertaken, comprising X-ray diffraction, IR absorption spectra and the temperature-dependence of DC-electric conductivity.

The phase constitution, % crystallinity, IR band assignment, activation energies for conduction and energy gap were evaluated as a function of caustic mercerization. The results obtained were correlated and discussed in detail, leading to valuable information of use in the cotton fabric strip industries.

Zusammenfassung

Verschiedene Proben von ägyptischen Baumwollstreifen wurden unter verschiedenen Bedingungen (Temperatur, Zeit) einer Laugung unterworfen. Die gelaugten Proben wurden eingehend durch Röntgendiffraktometrie, IR-Absorptionsspektroskopie und Messungen der Temperaturabhängigkeit der elektrischen Gleichstromleitfähigkeit untersucht. Phasenstruktur, Kristallinität, Zuordnung der Banden, Aktivierungsenergien für die Leitfähigkeit und verbotene Bänder wurden in Abhängigkeit von der Laugung ermittelt. Die erhaltenen Ergebnisse wurden miteinander verglichen und in Einzelheiten diskutiert, wobei für die Baumwollverarbeitungsindustrie wertvolle und empfehlenswerte Informationen erhalten wurden.

Резюме

Несколько образцов е гипетского хлопково го материала фабричног о изготовления были подвергнуты мер серизации при различ ных температурах и време ни. Для мерсеризованн ых образцов хлопка пров еден рентгенострукт урный анализ, измерены ИК спектры и температурная зависимость постоян нотоковой составляю щей электропроводности. В зависимости от усло вий мерсеризации провед ена оценка фазового с остава, процента кристаллич ности, отнесения ИК полос, энергии актива ции проводимости и энергетической щели. Приведено подробное обсуждение полученн ых результатов, а полу ченные на их основе корреляции да ли обширную информацию полезную для текстильного про изводства.

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Authors and Affiliations

  1. Chem. Dept., Faculty of Science, Tanta University, Tanta, Egypt

    M. M. Abou-Sekkina, A. A. Saafan & M. A. Sakran

  2. Phys. Dept., Faculty of Science, El-Monofia University, Shibin El-Kom, Egypt

    M. A. Ewaida

Authors
  1. M. M. Abou-Sekkina
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  2. A. A. Saafan
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  3. M. A. Sakran
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  4. M. A. Ewaida
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Abou-Sekkina, M.M., Saafan, A.A., Sakran, M.A. et al. Effects of tempering time and tempering temperature of caustic mercerization on the spectral and electrical properties of Egyptian cotton fibres. Journal of Thermal Analysis 31, 791–803 (1986). https://doi.org/10.1007/BF01913550

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  • DOI: https://doi.org/10.1007/BF01913550

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