Sound absorption and thermal insulation materials from waste palm oil for housing application: Green polyurethane/water hyacinth fiber sheet composite

Martwong, Ekkachai; Yingshataporn-a-nan, Thanathach; Minanandana, Tanapat; Puksuwan, Kitchapat; Junthip, Jatupol; Sukhawipat, Nathapong

doi:10.1016/j.conbuildmat.2024.137007

Construction and Building Materials

2024

DOI: 10.1016/j.conbuildmat.2024.137007

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Sound absorption and thermal insulation materials from waste palm oil for housing application: Green polyurethane/water hyacinth fiber sheet composite

Ekkachai Martwong,

Thanathach Yingshataporn-a-nan,

Tanapat Minanandana

et al.

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Cited by 6 publications

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Mechanical, Thermal, and Sound Properties of Bamboo‐Powder‐Filled Polyurethane Composites

Yeşilyurt,

Parın,

Uysal

2024

ChemistrySelect

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Bamboo, which is called “green gold” because of its sustainability characteristics, has many wonderful properties that make it environmentally friendly. In this study, polyurethane (PU) composites used in the automotive industry were produced by adding different amounts of bamboo powders (1, 2.5, 5, 7.5, 10 and 15%, w/v) to PU foams. In this regard, density, light and stereomicroscopic analysis, thermal conductivity, spectroscopic analysis, and mechanical (compression) test have been performed. Further, sound absorption analysis and contact angle analysis have been carried out. Optical and stereomicroscopes showed average pore sizes with range of 258–482 µm. As the bamboo powder increased, the contact angle values decreased from 129 ° to 88 °. Compression force deflection values of the samples declined from 1850 to 360 g/cm2. Similar to the mechanical properties, the thermal conductivities of the PU foams decreased. However, in regards to FT‐IR, no chemical reactions were observed between PU matrix and bamboo powder. The sound absorption test results showed that bamboo powder filled PU foams are sound absorption materials and that rigid PU foam with 2.5% (w/v) (PU‐2.5) bamboo powder sample had better sound absorption properties than the bamboo‐powder‐unfilled rigid PU foam (PU‐0), with an average sound absorption coefficient value of 0.86 at 6300 Hz and 0.71 in the range of 1600–6300 Hz.

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Mechanical, Thermal, and Sound Properties of Bamboo‐Powder‐Filled Polyurethane Composites

Yeşilyurt,

Parın,

Uysal

2024

ChemistrySelect

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Facile construction of superhydrophobic porous red mud/slag-based geopolymer for thermal insulation and oil/water separation

Wang,

Kou,

Liu

et al. 2025

Composites Part B: Engineering

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Waste ramie fiber/EVA composites with wideband sound-absorbing performance with mixing and foaming process

Pan,

Qian,

Gao

et al. 2024

Industrial Crops and Products

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Sound absorption and thermal insulation materials from waste palm oil for housing application: Green polyurethane/water hyacinth fiber sheet composite

Cited by 6 publications

References 44 publications

Mechanical, Thermal, and Sound Properties of Bamboo‐Powder‐Filled Polyurethane Composites

Mechanical, Thermal, and Sound Properties of Bamboo‐Powder‐Filled Polyurethane Composites

Facile construction of superhydrophobic porous red mud/slag-based geopolymer for thermal insulation and oil/water separation

Waste ramie fiber/EVA composites with wideband sound-absorbing performance with mixing and foaming process

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