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Open AccessArticle

Humidity Induces Changes in the Dimensions of Hydrogel-Coated Wool Yarns

International Joint Research Laboratory for Textile and Fiber Bioprocesses, Jiangnan University, Wuxi 214122, China
Centre of Biological Engineering (CEB), University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China
Authors to whom correspondence should be addressed.
Polymers 2018, 10(3), 260;
Received: 3 January 2018 / Revised: 16 February 2018 / Accepted: 28 February 2018 / Published: 2 March 2018
(This article belongs to the Special Issue Mechanics of Emerging Polymers with Unprecedented Networks)
Polymeric hydrogel based on acrylic acid (AA) and N,N-dimethylacrylamide (DMAA) was prepared by photopolymerization reaction, using nano-alumina as the inorganic crosslinker. Hydrogel-coated wool yarns determine their dimensional changes under humidity conditions. Surface morphology of the hydrogel-coated wool yarns was carried out using SEM microscopy. The hydrogel was further characterized by Fourier transformer infrared spectrum (FTIR), gel permeation chromatography (GPC), differential scanning calorimetry (DSC), thermogravimetry (TG) and differential thermogravimetry (DTG). This contribution showed that UV-initiated polymerization coating wool yarns can change the functional properties of wool fibers. View Full-Text
Keywords: hydrogel; wool yarns; photocrosslinking; UV polymerization hydrogel; wool yarns; photocrosslinking; UV polymerization
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MDPI and ACS Style

Wang, L.; Cavaco-Paulo, A.; Xu, B.; Martins, M. Humidity Induces Changes in the Dimensions of Hydrogel-Coated Wool Yarns. Polymers 2018, 10, 260.

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