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Effect of natural fiber types and sodium silicate coated on natural fiber mat PLA composites: Tensile properties and rate of fire propagation

IOP conference series. Materials Science and Engineering, 2015-07, Vol.87 (1), p.12078 [Tạp chí có phản biện]

Published under licence by IOP Publishing Ltd ;2015. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1757-8981 ;ISSN: 1757-899X ;EISSN: 1757-899X ;DOI: 10.1088/1757-899X/87/1/012078

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  • Nhan đề:
    Effect of natural fiber types and sodium silicate coated on natural fiber mat PLA composites: Tensile properties and rate of fire propagation
  • Tác giả: Thongpin, C ; Srimuk, J ; hipkam, N ; Wachirapong, P
  • Chủ đề: Ashes ; Coated fibers ; Composite materials ; Fibers ; Jute ; Modulus of elasticity ; Pressure molding ; Propagation ; Sisal ; Sodium ; Sodium hydroxide ; Sodium silicates ; Sulfuric acid ; Tensile properties ; Tensile strength ; Warp ; Weaving ; Weft
  • Là 1 phần của: IOP conference series. Materials Science and Engineering, 2015-07, Vol.87 (1), p.12078
  • Mô tả: In this study, 3 types of natural fibres, i.e. jute, sisal and abaca, were plain weaved to fibre mat. Before weaving, the fibres were treated with 5% NaOH to remove hemi cellulose and lignin. The weaving was performed by hand using square wooden block fit with nails for weaving using one and two types of natural fibres as weft and warp fibre to produce natural fibre mat. The fibre mat was also impregnated in sodium silicate solution extracted from rich husk ash. The pH of the solution was adjusted to pH 7 using H2SO4 before impregnation. After predetermined time, sodium silicate was gelled and deposited on the mat. The fabric mat and sodium silicate coated mat were then impregnated with PLA solution to produce prepreg. Dried pepreg was laminated with PLA sheet using compressing moulding machine to obtain natural fibre mat PLA composite. The composite containing abaca aligned in longitudinal direction with respect to tension force enhanced Young's modulus more than 300%. Fibre mat composites with abaca aligned in longitudinal direction also showed tensile strength enhancement nearly 400% higher than neat PLA. After coating with sodium silicate, the tensile modulus of the composites was found slightly increased. The silicate coating was disadvantage on tensile strength of the composite due to the effect of sodium hydroxide solution that was used as solvent for silicate extraction from rice husk ash. However, sodium silicate could retard rate of fire propagation about 50%compare to neat PLA and about 10% reduction compared to fibre mat composites without sodium silicate coated fibre mat.
  • Nơi xuất bản: Bristol: IOP Publishing
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 1757-8981
    ISSN: 1757-899X
    EISSN: 1757-899X
    DOI: 10.1088/1757-899X/87/1/012078
  • Nguồn: IOP Publishing Free Content
    IOPscience (Open Access)
    GFMER Free Medical Journals
    ProQuest Central
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