期刊
POLYMERS FOR ADVANCED TECHNOLOGIES
卷 29, 期 12, 页码 3114-3124出版社
WILEY
DOI: 10.1002/pat.4432
关键词
composite; cross-linking; cyclodextrin; hydrogel; wound dressing
资金
- Portuguese Foundation for Science and Technology (FCT) [UID/CTM/00264/2013]
- FEDER [POCI-01-0145-FEDER-007136]
- European Regional Development Fund [TSSiPRO-NORTE-01-0145-FEDER-000015]
Composite wound dressings gather the suitable properties of 2 or more polymeric materials. Thus, the present work aimed to assess the functionalization of cotton textiles with cyclodextrin-hydroxypropyl methyl cellulose-based hydrogel by chemical cross-linking. The developed composites were evaluated based on their cross-linking percentage and swelling ability and characterized by FTIR-ATR, DSC, and TGA. The best conditions were achieved using 1-step procedure, 0.54molL(-1) of cross-linking agent and 1:0.1 polymeric solution/textile (v/w). The textile physical structure was, also, a crucial parameter. From the substrates tested, nonwoven composites could accommodate more gel fraction with enhanced swelling. The functionalization of cotton fibers with cyclodextrin-hydroxypropyl methyl cellulose-based hydrogel improved cotton water uptake and surface properties, increasing its applicability as wound dressing.
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