1. School of Textile Science & Engineering, Xi′an Polytechnic University, Xi′an710048, Shaanxi, P. R. China
2. Key Laboratory of Functional Textile Material and Product (Xi′an Polytechnic University), Ministry of Education, Xi′ an710048, Shaanxi, P. R. China
3. School of Environmental and Chemical Engineering, Xi′an Polytechnic University, Xi′an710048, Shaanxi, P. R. China
4. School of Design, University of Leeds, LeedsLS2 9JT, United Kingdom