1. Industrial Research Institute of Nonwovens and Technical Textiles, Shandong Center for Engineered Nonwovens, College of Textiles and Clothing, Qingdao University , Qingdao 266071 , China
2. Lufeng Company Co., Ltd. , Zibo 255100 , China
3. State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University , Qingdao 266071 , China