Multilayered epoxy/glass fiber felt composites with excellently acoustical and thermal insulation properties

Xue, Bai; Xie, Lan; Bao, Yue; Zhang, Junhua

doi:10.1002/app.46935

Cited by 19 publications

(18 citation statements)

References 38 publications

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“…The incorporation of ultrafine glass fiber felts greatly enhanced the sound absorption and sound insulation properties. This can be mainly attributed to great numbers of voids introduced into the matrix and the increasing interfacial area between fibers and resin, which is confirmed by scanning electron microscopy results . Gerdes presented a new airflow resistivity prediction model for a fibrous medium.…”

Section: Introductionmentioning

confidence: 67%

“…This can be mainly attributed to great numbers of voids introduced into the matrix and the increasing interfacial area between fibers and resin, which is confirmed by scanning electron microscopy results. [21] Gerdes presented a new airflow resistivity prediction model for a fibrous medium. This model was verified first by comparing predictions and measurements on different two-component fiber samples having unknown fiber size distribution.…”

Section: Introductionmentioning

confidence: 99%

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Effect of crossing film among glass fibers on blanket performance

Chen

Wang

et al. 2019

Polymer Composites

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An effective film construction was provided as a noise‐reducing materials based on self‐assembled polymer film supported by ultralight glass fiber blanket (UGFB) skeleton. The synthesized polymer film enhanced UGFB structure shows about 60% improvement over a broad frequencies compared to neat UGFB. The sound transmission loss has a remarkably increasing of 16.59 dB at 4 kHz. The reinforced acoustic performances was created by the structural optimization of UGFB/UMPR‐film, owing to the observably enhanced tortuosity in sound waves transmission and reinforced surface area, which can induce more viscous and thermal losses when the acoustic wave consumes in the semiopen pore construction. Moreover, the UGFB/UMPR‐film demonstrates 7.4 times increasing in breaking strength (width direction) and the degrees of uniformity lower than 0.0771. The manufacture of this new acoustic damping materials is low cost, structural controllable, and easy to large‐scale preparation, making it can be applied in multitudinous applications.

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Section: Introductionmentioning

confidence: 67%

Section: Introductionmentioning

confidence: 99%

Effect of crossing film among glass fibers on blanket performance

Chen

Wang

et al. 2019

Polymer Composites

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show abstract

“…Otherwise, the acoustical insulation is also required due to the increase of the environmental noise [4,5], populations density growth, development of industry, transport, and aviation [6], while the most buildings does not have soundproofing products which is constantly demanded [7]. The acoustical insulation performance is strongly dependent on the physical characteristics of the used materials, observer positions, buildings envelopes design and acoustical properties [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

A comparative study of thermal and acoustical insulations used for residential buildings

Lagtayi

Lairgi²,

Khouya³

et al. 2021

E3S Web Conf.

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The aim of this paper is to study the thermal and acoustical insulation of four different buildings’ envelopes mostly used for residential buildings in Tetouan city. The thermal and the acoustical models were investigated during summer season, while a linear nonmonochromatic source of sound has been placed 1m away from the exterior side of each wall and it is emitted a low-frequency sound waves with a velocity of 200 m/s. The study shows that the double layers of hollow clay brick wall with a medium of air gap presents a good thermal resistance and soundproofing compared to the other walls under study, due to the insulation by air gap with a thickness of 0.06m. Moreover, the homogenous and thick walls are simultaneously performant as thermal and sound insulators.

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“…Glass fiber powder is a kind of inorganic non-metallic material, which is long rod in microstate and consists of many kinds of oxides [11]. Because of its high mechanical strength, excellent heat resistance, good insulation, low moisture absorption, and corrosion resistance [12], it has been widely used in insulation materials, plastics, rubber, cement, and other fields [13], and is often used as automotive wall materials due to its thermal insulation performance [14]. Gao et al [15] used glass fiber and Al powder to modify glass-ceramics.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Glass Fiber Powder on the Properties of Waterborne Coatings with Thermochromic Ink on a Chinese Fir Surface

et al. 2019

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In this study, the effect of glass fiber powder on the properties of waterborne coatings with thermochromic ink was investigated, using Chinese fir board as the base material and temperature-sensitive thermochromic waterborne coatings with thermochromic ink as the paint base. The concentration of glass fiber powder was determined when the microstructure, optical properties, mechanical properties, liquid resistance, and heat preservation effect were the best. The results showed that the paint film with glass fiber powder concentration of 1.0% to 7.0% had better discoloration performance. With an increase of the glass fiber powder concentration, the gloss of the paint film decreased gradually, and when the concentration of glass fiber powder was 0% to 5.0%, the gloss of the paint film was better. The concentration of glass fiber powder had no effect on the adhesion, impact resistance, and liquid resistance. In the first 2.5 min, the temperature value of the waterborne coating with 3.0% glass fiber powder was higher than that without glass fiber powder, which has a certain heat preservation effect. When the glass fiber powder content was 3.0%, the microstructure of paint film was the best. The composition of paint film with different glass fiber powder concentrations was not different and the discoloration performance of paint film with heat preservation effect was not affected by time. The analysis showed that the waterborne coating with 3.0% glass fiber powder had the best comprehensive performance. This work provides a technical reference for the industrialization of heat preservation and thermochromic coating on wood.

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Multilayered epoxy/glass fiber felt composites with excellently acoustical and thermal insulation properties

Cited by 19 publications

References 38 publications

Effect of crossing film among glass fibers on blanket performance

Effect of crossing film among glass fibers on blanket performance

A comparative study of thermal and acoustical insulations used for residential buildings

The Effect of Glass Fiber Powder on the Properties of Waterborne Coatings with Thermochromic Ink on a Chinese Fir Surface

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