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https://irlib.pccu.edu.tw/handle/987654321/41926
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| 題名: | Preparation and Properties of Polyamide/Polyethylene/Near Infrared Reflective Pigment Composites |
| 作者: | Lai, SM (Lai, Sun-Mou)
Chen, WC (Chen, Wen-Chih)
Yang, CH (Yang, Chen-Hau)
Lai, WJ (Lai, Wei-Jen)
Zeng, JW (Zeng, Jiun-Wei)
Cheng, KC (Cheng, Kuo-Chung)
Liao, ZC (Liao, Zong-Ching) |
| 貢獻者: | 化學工程與材料工程學系暨奈米材料研究所 |
| 關鍵詞: | MALEATED POLYOLEFIN ELASTOMER
INORGANIC PIGMENTS
NANOCOMPOSITES
MORPHOLOGY |
| 日期: | 2018 |
| 上傳時間: | 2019-01-22 10:23:20 (UTC+8) |
| 摘要: | The effect of the addition of NIR (near infrared reflective pigment filler, nickel antimony titanium yellow rutile) into the polyamide/metallocene-based polyethylene elastomer (mPE) blends on increasing the infrared reflection of PA6 (Polyamide 6) and limiting the thermal heat accumulation in light of environmental and energy conservation concerns was examined. The NIR was included in mPE or mPE-g-MA (maleic anhydride) to form NmPE or NmPE-g-MA masterbatches, respectively, which were used in combination with polyamide 6 (PA6) to prepare PA6/NmPE or PA6/NmPE-g-MA composites. The dispersed domains of mPE modifier were larger in dimension in comparison with those of the corresponding counterparts using mPE-g-MA as the NIR carrier due to the increased interfacial interactions of the anhydride groups of the MA and the amine groups in PA6. NIR tended to increase the crystallization temperature of PA6 of up to 3 degrees C through the nucleation role of the NIR for the NmPE-filled samples. However, this increment was diminished at higher mPE-g-MA content for the NmPE-g-MA-filled samples, suggested to be due to the interaction of mPE-g-MA and PA6 impeding the chain mobility for crystallization growth, offsetting the nucleation role of NIR. The NmPE-g-MA modified samples resulted in the highest improvement in Young's modulus compared with the NmPE modified samples. An increase of 2 times in the impact strength occurred for PA6/NmPE(60 phr) sample, which increased to a value of 80 +/- 5 (J/m). However, a non-break behavior was observed for the PA6/NmPE-g-MA samples at higher modifier contents. The values of infrared reflection increased significantly, indicating the effectiveness of NIR to improve the reflection properties of the prepared composite systems. |
| 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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