Effect of a Subjective Grading System and Blending with Polyester on Selected Wool and Yarn Characteristics of Subtropical Egyptian Barki Sheep

• Autorzy: Helal Ahmed , Agamy Rania , Gad Allah Aymen A. I. , Al-Betar Essam M. , Mahouda Sabry F. , Abdel-Mageed Ibrahim I.

Identyfikatory

DOI

10.5604/01.3001.0013.2897

Warianty tytułu

PL

Ocena właściwości przędz mieszanych wełna/poliester

• Języki publikacji: EN

Abstrakty

EN

Seven-hundred kilograms of subtropical Barki wool was collected to study the effect of a subjective grading system and blending with polyester on selected wool and yarn characteristics. Wool was graded subjectively into coarse, fine and raw; then each grade was blended with 0%, 15%, 25%, 35% and 45% of polyester. Staple and yarn strengths were higher in both coarse and fine grades compared with raw wool. Staple elongation of the fine grade reached 3 times that of coarse grade and twice as much as raw grade. Also, in the 100% wool blend, yarn elongation of the fine grade was twice as much as both coarse and raw grades. The fine grade had the highest yarn friction, followed by other grades. Generally, adding polyester to coarse and fine grades led to an improved yarn strength compared with the raw grade. Adding 15% polyester caused the highest improvement among other percentages. Correlations among traits were also discussed.

PL

Do badań wykorzystano 700 kg wełny. Dokonano oceny wybranych właściwości wełny i przędz mieszanych wełna/poliester. Wełna była oceniana subiektywnie na grubą, cienką i surową; następnie każdy gatunek został zmieszany z 0%, 15%, 25%, 35% i 45% poliestru. Zbadano wytrzymałość, wydłużenie i współczynnik tarcia przędz. Stwierdzono, że, dodawanie poliestru do grubych i cienkich włókien wełnianych prowadziło do polepszenia wytrzymałości przędz w porównaniu do przędz z włókien surowych. Największą poprawę właściwości spowodowało dodanie 15% poliestru. Omówiono również korelacje między cechami.

Słowa kluczowe

EN

wool; yarn; strength; elongation; friction; polyester blends

PL

wełna; przędza; wytrzymałość; wydłużenie; tarcie; mieszanka wełna-poliester

• Wydawca: Sieć Badawcza Łukasiewicz - Łódzki Instytut Technologiczny
• Czasopismo: Fibres & Textiles in Eastern Europe
• Rocznik: 2019
• Tom: Vol. 27, no. 5 (137)
• Strony: 23--27
• Opis fizyczny: Bibliogr. 38 poz., tab.

Twórcy

autor

Helal Ahmed

• Beni-Suef University, Faculty of Agriculture, Animal & Poultry Production Department, Egypt

autor

Agamy Rania

• Cairo University, Faculty of Agriculture, Animal & Poultry Production Department, Giza, Egypt

autor

Gad Allah Aymen A. I.

• Desert Research Center, Animal & Poultry Production Division, Egypt

autor

Al-Betar Essam M.

• Desert Research Center, Animal & Poultry Production Division, Egypt

autor

Mahouda Sabry F.

• Desert Research Center, Animal & Poultry Production Division, Egypt

autor

Abdel-Mageed Ibrahim I.

• Cairo University, Faculty of Agriculture, Animal & Poultry Production Department, Giza, Egypt

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).