期刊
POLYMERS
卷 10, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/polym10040460
关键词
atmospheric pressure plasma; durability; superhydrophobility; cotton fabric; siloxane
资金
- Qingdao University
- China Postdoctoral Science Foundation [2017M612207]
The surface treatment of fabrics in an atmospheric environment may pave the way for commercially viable plasma modifications of fibrous matters. In this paper, we demonstrate a durably superhydrophobic cotton cellulose fabric prepared in a single-step graft polymerization of hexamethyldisiloxane (HMDSO) by N-2 and O-2 atmospheric pressure plasma. We systematically investigated effects on contact angle (CA) and surface morphology of the cotton fabric under three operational parameters: precursor value; ionization gas flow rate; and plasma cycle time. Surface morphology, element composition, chemical structure and hydrophobic properties of the treated fabric were characterized by scanning electron microscope (SEM), EDS, FTIR and CA on the fabrics. The results indicated that a layer of thin film and nano-particles were evenly deposited on the cotton fibers, and graft polymerization occurred between cellulose and HMDSO. The fabric treated by O-2 plasma exhibited a higher CA of 162 degrees than that treated by N-2 plasma which was about 149 degrees. Furthermore, the CA of treated fabrics decreased only 0 degrees similar to 10 degrees after storing at the ambient conditions for four months, and treated fabrics could also endure the standard textile laundering procedure in AATCC 61-2006 with minimum change. Therefore, this single-step plasma treatment method is shown to be a novel and environment-friendly way to make durable and superhydrophobic cotton fabrics.
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