| 학회 |
한국고분자학회 |
| 학술대회 |
2004년 봄 (04/09 ~ 04/10, 고려대학교) |
| 권호 |
29권 1호, p.82 |
| 발표분야 |
복합재료 |
| 제목 |
Melt rheological characteristics of fluoroelastomer/layered clay nanocomposites |
| 초록 |
Two types of fluoroelastomer/layered clay nanocomposites were prepared by melt mixing process and characterized for rheological behavior using Monsanto processability tester under varied shear rates. X- ray diffraction and transmission electron microscopic studies revealed the formation of intercalated/exfoliated FKM/ layered clay nanocomposites. Both types of nanocomposites showed shift towards Newtonian fluid behavior upon increasing the processing temperature and filler loading. The shear viscosity of the FKM/organo clay hybrid was decreased up to 15 wt % filler loading due to orientation of clay layers. The influence of clay loading on rheological behavior demonstrated that optimum level of O-MMT and Na-MMT loadings were around in the range of 7.5 -10 and 5 wt % respectively. The data on activation energy revealed the processability of nanocomposites at considerably lower temperature and shear rate. The die-swell characteristics of the nanocomposites were superior to either gum polymer or carbon black and silica filled composites. Nanocomposites reduced melt fracture and showed improved surface appearance of FKM. |
| 저자 |
M. Abdul Kader, 나창운
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| 소속 |
전북대 |
| 키워드 |
fluoroelastomer; nanocomposites; rheology
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| E-Mail |
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