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Abstract
Herein we present an intensive investigation into the application of a copolymer formed through iodine transfer copolymerization of vinylidene fluoride with 2,3,3,3-tetrafluoro-1-propene. The unique properties of the pre-formed copolymer advocate it for inducing sustainable, multi-functionalized cotton-based textiles. The application of the preformed copolymer is carried out via the treatment of the cotton and cotton/polyester blend fabrics with the copolymer. The improvement of the physico-mechanical properties as well as the encapsulation of the copolymer within the cotton structure alone and in combination with polyester were affected by the absence and presence of epichlorohydrin as a crosslinking agent. A system consisting of the fiber-copolymer-crosslinking agent may result in mechanical entrapping and deposition of the copolymer in the structure of cotton. They work together with encapsulation for sustainable fixation of the copolymer in the overall structure of the fabrics either 100% cotton or cotton/polyester blend fabric (50/50). The augmentation was barely significant in smoothness and elongation at break of fabrics treated with the copolymer along with the crosslinking agent. SEM discovered that the treated fabrics are covered with a deposited film with tiny particles that can penetrate the fabric. EDX analysis confirms the presence of both fluorine and iodine. Also found was a polymer coating based on fluorine and iodine deposition leading to a hydrophobic product. Values of WRA of the treated fabrics place them in easy-care category with marginal losses in tensile strength and with the certainty that the treated fabric acquires waterproof properties.
Published Version
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