| 초록 |
In this study, we report the preparation of new organosilicate, which is thermally stable and also compatible with PET for preparation of exfoliated PET/silicate nanocomposite. For this purpose, a new organic modifier satisfying the following two conditions is synthesized: (1) it has a functional group compatible with PET and (2) it also has a cationic group thermally stable at the melt-mixing temperature of PET and the organosilicate (280 ℃). To satisfy the conditions (1) and (2), we synthesize an organic modifier with an epoxy group as the functional group and an imidazolium cation as the cationic group. Then, PET is directly melt-mixed with the new organosilicate modified with imidazolium cation and epoxy group to prepare exfoliated PET nanocomposite, and then morphological structure and mechanical properties of new PET nanocomposite are investigated. |
