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    題名: Preparation and characterization of SEBS-g-MAH-filled flexible polyurethane foam composites with gradient-changing structure
    作者: Li, Ting-Tin;Li, Ting-Ting;Dai, Wenna;Dai, Wenna;Huang, Shih-;Huang, Shih-Yu;Wang, Hongya;Wang, Hongyang;Lin, Qi;Lin, Qi;樓靜文;Lou, Ching-Wen;林佳弘;Lin, Jia-Horng
    貢獻者: 生物資訊與醫學工程學系
    關鍵詞: Flexible foam;Two-step foaming;SEBS-g-MAH;Gradient structure;Dynamic cushion
    日期: 2019-12
    上傳時間: 2020-09-04 15:15:43 (UTC+8)
    出版者: 亞洲大學
    摘要: This study constructs a flexible gradient foaming structure by changes the maleic anhydride-grafted styrene-ethylene/butylene-styrene (SEBS-g-MAH) content on the basis of a two-step foaming technique. The effects of SEBS-g-MAH content and its ratio in the first and second foaming steps on microstructure, compression, quasi-static burst, dynamic cushion, and thermal performance of flexible polyurethane foam composites are investigated. Results show that, SEBS-g-MAH content affects microstructure, compressive stress, burst strength, dynamic cushion and thermal performance. Gradient foaming improves compressive stress and quasi-static bursting strength by 3.81 and 1.56 times, respectively. The absorbed energy under dynamic impact of gradient foaming can be increased by 87% relative to that in one-step foaming. This study provides a new way approach to SEBS application, and serves as a new reference for designing of energy-absorbing foam composites by filler addition.
    顯示於類別:[生物資訊與醫學工程學系 ] 期刊論文


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