1. School of Materials Science and Chemical Engineering Ningbo University Ningbo Zhejiang, 315211 P. R. China
2. Zhejiang Hymater New Materials Co., Ltd. Ningbo Zhejiang, 315034 P. R. China
3. Faculty of Engineering Kanagawa University Rokkakubashi Kanagawa-ku, Yokohama-shi Kanagawa, 221-8686 Japan