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https://dspace.ctu.edu.vn/jspui/handle/123456789/21720
Title: | Thermal properties, thermo-oxidation and UV-thermo-humidity complex stability of polyethylene/modified fly ash/ultraflow composites |
Authors: | Nguyen, Thuy Chinh Nguyen, Thi Thu Trang Tran, Thi Mai Nguyen, Vu Giang Tran, Huu Trung Mai, Duc Huynh Thai Hoang |
Keywords: | Ultraflow Thermal property Thermal oxidation Accelerated weathering test HDPE composite |
Issue Date: | 2017 |
Series/Report no.: | Vietnam Journal of Chemistry;No 55 .- Page.709-714 |
Abstract: | This study concerns the effect of ultraflow (UTF) content on the thermal property; therrao-oxidation and photo thermal-humidity stability of composites based on high density polyethylene (HDPE) and moditied fly ash (MFA). The different scanning calorimeter analysis (DSC) results show that the relative crystallinity of HDPE/MFA and HDPE/MFA/UTF composites is lower than that of HDPE. The thermal properties of HDPE/MFA/UTF composites were studied by using themiogravimetric analysis (TGA) characteristic. Thermal stability of HDPE/MFA/UTF composites is higher than HDPE and HDPE/MFA composite, The tensile properties (tensile strength, elongation at break and Young’s modulus) of the composites after thermal aging test had a tendency to reduce with increasing the UTF contents. The retention of tensile strength and Young’s modulus of HDPE/MFA/UTF composites is larger than that of HDPE/MFA composite while the elongation at break of HDPE/MFA/UTF composites is less than that of HDPE/MFA composite. The results of accelerated weathering test showed that the tensile strength, elongation at break and Young’s modulus of HDPE/MFA/UTF composites after 168 hour accelerated weathering test were increased much higher than those of HDPE/MFA composites. |
URI: | http://dspace.ctu.edu.vn/jspui/handle/123456789/21720 |
ISSN: | 2525-2321 |
Appears in Collections: | Vietnam Journal of Chemistry |
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