華岡紡織期刊 Journal of the Hwa Gang Textile
ISSN
1025-9678
發行 Publisher
中華民國紡織工程學會
Home / Archives / Vol. 18 No. 1 (2011) / Original Research Articles
Original Research Articles · 研究論文

The Study of Forming Polyethylene Foam by Using Supercritical Fluid

超臨界流體製作聚乙烯塑膠發泡粒之研究
  • K. C. Lee 李貴琪 ✉ Department of Textile Engineering, Chinese Culture University, *Department of Chemical and Materials Engineering and Master Program of Nanomaterials, Chinese Culture University, **Tex-Ray Industrial Co., Ltd
  • T. Y. She 佘岱螢 Department of Textile Engineering, Chinese Culture University, *Department of Chemical and Materials Engineering and Master Program of Nanomaterials, Chinese Culture University, **Tex-Ray Industrial Co., Ltd
  • H. J. Yu 游輝仁 Department of Textile Engineering, Chinese Culture University, *Department of Chemical and Materials Engineering and Master Program of Nanomaterials, Chinese Culture University, **Tex-Ray Industrial Co., Ltd
  • Y. H. Chiu 邱永和 Department of Textile Engineering, Chinese Culture University, *Department of Chemical and Materials Engineering and Master Program of Nanomaterials, Chinese Culture University, **Tex-Ray Industrial Co., Ltd

Abstract

In this study, we use the two different polyethylene pellets by the microcellular, to compare foam aperture and appearance color in different temperature and pressure. The results show LDPE’s molecule structure is fragile than HDPE’s, LDPE foam aperture is more large and irregular, and it is appearance of the color is uneven.

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摘要

本研究以兩種不同聚乙烯塑膠粒，經超臨界微細發泡所製成之發泡粒進行比較，首先利用不同溫度及壓力條件下，測試其體積膨脹率，發現在90℃，壓力20MPa時，具有最佳之膨脹率。再利用不同洩壓速率條件，分別測試其發泡孔、外觀色澤等，發現當洩壓速率越快時，孔徑則越均勻，色澤之變化也越明顯，而膨脹率亦隨之增加。

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