A comparative study of the response of cottons to zinc chloride and sodium hydroxide

Different varieties of cotton drawn from various botanical species were subjected to swelling and stretching in 64.5% (w/w) aqueous zinc chloride at 32° ± 1°C for different intervals ranging from 10 to 50 min. Swelling was almost complete in 30 min. Samples stretched to original length after this in...

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Veröffentlicht in:Journal of applied polymer science 1987-08, Vol.34 (3), p.1081-1092
Hauptverfasser: Iyer, P.B, Sreenivasan, S, Patel, G.S, Iyer, K.R.K, Patil, N.B
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container_end_page 1092
container_issue 3
container_start_page 1081
container_title Journal of applied polymer science
container_volume 34
creator Iyer, P.B
Sreenivasan, S
Patel, G.S
Iyer, K.R.K
Patil, N.B
description Different varieties of cotton drawn from various botanical species were subjected to swelling and stretching in 64.5% (w/w) aqueous zinc chloride at 32° ± 1°C for different intervals ranging from 10 to 50 min. Swelling was almost complete in 30 min. Samples stretched to original length after this interval showed tremendous improvement in orientation and strength both at zero and 3 mm gauge lengths. In several cases, the improvement was higher than that obtained with similar treatment in sodium hydroxide of mercerizing concentration at room temperature. Swelling in zinc chloride was found to be independent of the variety of cotton as evidenced by the 50% X‐ray angle for the stretched fibers, which was about 9° for all the six cottons included in this study.
doi_str_mv 10.1002/app.1987.070340317
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Swelling was almost complete in 30 min. Samples stretched to original length after this interval showed tremendous improvement in orientation and strength both at zero and 3 mm gauge lengths. In several cases, the improvement was higher than that obtained with similar treatment in sodium hydroxide of mercerizing concentration at room temperature. 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source Wiley Online Library Journals Frontfile Complete
subjects ALGODON
Applied sciences
CHLORIDES
CHLORURE
CINC
CLORUROS
COTON
COTTON
COTTON INDUSTRY
Exact sciences and technology
Fibers and threads
Forms of application and semi-finished materials
HIDROXIDO SODICO
HYDROXYDE DE SODIUM
INDUSTRIA ALGODONERA
INDUSTRIE COTONNIERE
Polymer industry, paints, wood
SODIUM HYDROXIDE
Technology of polymers
ZINC
title A comparative study of the response of cottons to zinc chloride and sodium hydroxide
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