| 학회 | 한국공업화학회 |
| 학술대회 | 2021년 가을 (11/03 ~ 11/05, 대구 엑스코(EXCO)) |
| 권호 | 25권 2호 |
| 발표분야 | 포스터-고분자 |
| 제목 | Preparation and Characterization of PLA/HNT nanocomposites by surface modification of HNT |
| 초록 | Poly(lactic acid) (PLA) is one of representative biodegradable thermoplastic polymers, which has good mechanical properties and biocompatibility. It was widely used in biomedical and degradable fields. However, due to brittleness and poor thermal stability, it is limited the manufacturing process and applications. Therefore, in this study, PLA/halloysite nanotube (HNT) nanocomposites were prepared by melt-blending using unmodified/modified HNTs with polyethylene imine (PEI) based agents depending on the different HNT contents. The surface morphology and dispersion were investigated through scanning electron microscope (SEM) and atomic force microscope (AFM). Fourier-transform infrared spectroscopy (FT-IR) was used to observe the chemical bonding between PLA and unmodified/modified HNTs. To measure the physical and thermal properties of the nanocomposites, differential scanning calorimetry (DSC), thermogravimetric analyzer (TGA) and universal testing machine (UTM) were also used. |
| 저자 | 박진경1, 장시훈1, 김호동2, 박노형1 |
| 소속 | 1한국생산기술(연), 2단국대 |
| 키워드 | PLA (Poly(lactic acid)); Halloysite nanotube (HNT); nanocomposites; surface modification; dispersion |
