Effects of Optimal Mordanting on the Bleaching and Spinning of Black Yak Fibres

• Autorzy: Liu C. , Su X. , Xie C. , Liu X.

Identyfikatory

DOI

10.5604/01.3001.0010.4624

Warianty tytułu

PL

Wpływ warunków procesu zaprawiania na bielenie i przędzenie przędz z wełny jaków

• Języki publikacji: EN

Abstrakty

EN

In this paper, the orthogonal analysis method was adopted to analyse the optimal mordanting condition for the bleaching of black yak fibres. Without changing the subsequent oxidative/reducing bleaching technology, the optimal mordanting condition was as follows: per weight of water, the ferrous ion concentration is 16%, the sodium bisulfate concentration 3 g/l, the mordanting temperature 60 °C and the liquor pH value is 2. Based on the optimal mordanting condition, yak fibres were bleached. The properties of bleached and untreated yak fibres and yarns were tested by a fibre tensile tester, scanning electron microscopy, yarn strength tester, USTER Tester 5 and so on. By comparing the properties of untreated and bleached yak fibres and yarns, the effects of optimal mordanting on the bleaching and spinning of black yak fibres were presented. The results show that bleached yak fibres have poorer mechanical and morphology properties, and it is harder to felt for bleached fibres. For the spinning of 16.7 tex yarn, a complete condensing spinning system was adopted, and the performances of bleached fibre yarn decreased in the permissible range compared with the untreated fibre yarn.

PL

W celu określenia optymalnych warunków procesu zaprawiania włókien z wełny jaków zastosowano metodę analizy ortogonalnej. Określono optymalne parametry procesu zaprawiania tj.: stężenie jonu żelazawego na poziomie 16%, stężenie wodorosiarczanu sodu w ilości 3 g/l, temperaturę na poziomie 60 °C, a wartość pH roztworu na poziomie 2. Następnie włókna poddano procesowi bielenia. Oceniono właściwości mechaniczne włókien oraz dokonano analizy powierzchni włókien za pomocą SEM. Wyniki wykazały, że włókna poddane procesowi bielenia mają słabsze właściwości mechaniczne i morfologiczne. Do wytworzenia przędzy 16,7 tex zastosowano kompletny system przędzenia, a wydajność przędzenia przędzy bielonej zmniejszyła się w dopuszczalnym zakresie w porównaniu z przędzą nie poddaną obróbce.

Słowa kluczowe

EN

mordanting; black yakwool; whiteness; alkali solubility; fibre properties; yarn properties

PL

zaprawianie; wełna jaka; bielenie; rozpuszczalność alkaliów; właściwości włókna; właściwości przędzy

• Wydawca: Sieć Badawcza Łukasiewicz - Łódzki Instytut Technologiczny
• Czasopismo: Fibres & Textiles in Eastern Europe
• Rocznik: 2017
• Tom: Vol. 25, no. 5 (125)
• Strony: 31--36
• Opis fizyczny: Bibliogr. 22 poz., rys., tab.

Twórcy

autor

Liu C.

• Jiangnan University, Key Laboratory of Eco-Textile, Ministry of Education, Wuxi 214122, P. R. China

autor

Su X.

• Jiangnan University, Key Laboratory of Eco-Textile, Ministry of Education, Wuxi 214122, P. R. China
• Wuhan Textile University, National Engineering Laboratory for Advanced Textile Processing and Clean Production, State Key Laboratory for Hubei, Wuhan 430200, P. R. China

autor

Xie C.

• Jiangnan University, Key Laboratory of Eco-Textile, Ministry of Education, Wuxi 214122, P. R. China

autor

Liu X.

• Jiangnan University, Key Laboratory of Eco-Textile, Ministry of Education, Wuxi 214122, P. R. China

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