| 학회 |
한국고분자학회 |
| 학술대회 |
2019년 가을 (10/09 ~ 10/11, 제주컨벤션센터) |
| 권호 |
44권 2호 |
| 발표분야 |
고분자가공/복합재료 |
| 제목 |
Effect of silane coupling agent on structure and characterization of PI-silica composites |
| 초록 |
The PI-silica composites were prepared from poly(amic acid) (PAA) solution as precursor. Pristine PI and PI-silica composites could be obtained via thermal imidization of PAA produced with 3,3',4,4'-biphenyltetracarboxylic dianhydride (BPDA) and 4,4’-oxydianiline (ODA) in N,N-dimethylacetamide (DMAc). The content of silica in the composites was 1, 3 and 5 wt% with the use of silane coupling agent (SCA) to improve dispersion of silica in the matrix. And the thermal imidization of PAA in nanocomposites was heated for 1h at 100℃, 30 min at 200℃ and 1h at 350℃ to adapt PI form. The thermal and mechanical properties of composites were investigated using several methods. Field emission scanning electron microscopy (FE-SEM) and fourier transform infrared spectroscopy (FT-IR) were adopted to characterize the morphological and molecular structural properties. The results revealed that the addition of small amount of silica and SCA led to the improvement in mechanical and thermal properties. |
| 저자 |
장시훈1, 박준철1, 서영석1, 박수일2, 박노형1
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| 소속 |
1한국생산기술(연), 2연세대 |
| 키워드 |
Polyimide (PI); Silica; Silane coupling agent (SCA); Imidization; Composites
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| E-Mail |
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