1. Institute of Textiles and Clothing, Hong Kong Polytechnic University, 11 Yuk Choi Road, Kowloon, Hong Kong, China
2. State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, No. 5625, Ren Min Street, Changchun 130022, China
3. Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, 11 Yuk Choi Road, Kowloon, Hong Kong, China