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| 題名: | Melt mixed compatibilized polypropylene/clay nanocomposites. II. Dispersion vs. thermal properties, optical transmittance, and fracture behaviors |
| 作者: | Lai, S-M
Chen, W-C
Zhu, X.S. |
| 貢獻者: | 化學工程與材料工程學系 |
| 關鍵詞: | RUBBER
BLOCK COPOLYMER/CLAY NANOCOMPOSITES
MECHANICAL-PROPERTIES
CRYSTALLIZATION BEHAVIOR
PHYSICAL-PROPERTIES
ESSENTIAL WORK
MORPHOLOGY
CLAY
POLYETHYLENE
BLENDS |
| 日期: | 2011-12 |
| 上傳時間: | 2012-09-04 09:34:27 (UTC+8) |
| 摘要: | Compatibilized polypropylene (PP)/clay nanocomposites using two different types of maleated compatibilizers, polyolefin elastomer-grafted maleic anhydride (POE-g-MA) and PP-grafted maleic anhydride (PP-g-MA), to improve the dispersion of various amounts of commercial organoclay (Closite 20 A) were prepared via a melt-mixing technique. The optical transmittance for the POE-g-MA compatibilized nanocomposites was lower than that of PP-g-MA compatibilized cases, although POE-g-MA greatly increased the interlayer spacing of the clay compared with PP-g-MA. The optical transmittance of POE-g-MA compatibilized cases increased with increasing clay content, as a result from a preferentially POE-g-MA adsorbed onto the surface and edge of clay moiety. PP-g-MA compatibilized system conferred higher tensile strength, Young's modulus, or cutting strength through crystalline yielding effect even at the nanofracture zone of deformation, but lower tear strength than POE-g-MA compatibilized system. The current results suggested that high extent of exfoliation may not guarantee high transparency or strength varied with different deformation behaviors |
| 關聯: | JOURNAL OF COMPOSITE MATERIALS Volume: 45 Issue: 25 Pages: 2613-2631 |
| 顯示於類別: | [化學工程與材料工程學系暨碩士班] 期刊論文
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