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            | このアイテムの引用には次の識別子を使用してください: http://hdl.handle.net/10119/10728 |  
 
| タイトル: | Segregation Behavior of Polyethylene with Broad Molecular Weight Distribution by Annealing Procedure in Temperature Gradient |  | 著者: | Siriprumpoonthum, Monchai Mieda, Naoya
 Nobukawa, Shogo
 Yamaguchi, Masayuki
 |  | キーワード: | Fractionation Rheology
 Polyethylene
 Blend
 |  | 発行日: | 2011-07-22 |  | 出版者: | Springer |  | 誌名: | Journal of Polymer Research |  | 巻: | 18 |  | 号: | 6 |  | 開始ページ: | 2449 |  | 終了ページ: | 2453 |  | DOI: | 10.1007/s10965-011-9661-z |  | 抄録: | An annealing treatment in a moltenh state, in which temperature of the top plate is different from that of the bottom one in a compression-molding, leads to molecular weight segregation of high-density polyethylene (HDPE) prepared by mixture of two types of HDPE with different molecular weights (Mw = 1.8 x 10^5 and 2.9 x 10^4). Low molecular weight fraction tends to localize at the surface attached to the higher temperature and vice versa. The segregation behavior is obvious at a large temperature gradient. Although the accuracy and mechanism of the phenomenon have not been clarified yet, this could be applied as a new fractionation method, which does not use a solvent. |  | Rights: | This is the author-created version of Springer, Monchai Siriprumpoonthum, Naoya Mieda, Shogo Nobukawa and Masayuki Yamaguchi, Journal of Polymer Research, 18(6), 2011, 2449-2453. The original publication is available at www.springerlink.com, http://dx.doi.org/10.1007/s10965-011-9661-z |  | URI: | http://hdl.handle.net/10119/10728 |  | 資料タイプ: | author |  | 出現コレクション: | c10-1. 雑誌掲載論文 (Journal Articles) 
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