Study on the conditions of composite process of sound-absorbing materials with wood fiber and polyester fiber

WANG Junfeng, PENG Limin, FU Feng, ZHANG Yaoli, LIANG Shanqing

Journal of Nanjing Forestry University (Natural Sciences Edition） ›› 2013, Vol. 37 ›› Issue (06) : 132-136.

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南京林业大学学报（自然科学版）
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Journal of Nanjing Forestry University (Natural Sciences Edition） ›› 2013, Vol. 37 ›› Issue (06) : 132-136. DOI: 10.3969/j.issn.1000-2006.2013.06.026

Study on the conditions of composite process of sound-absorbing materials with wood fiber and polyester fiber

  • WANG Junfeng1, PENG Limin1*, FU Feng1, ZHANG Yaoli2, LIANG Shanqing1
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Abstract

Polymer foaming technology and wood-based composite technology are used for producing sound-absorbing composite materials using wood fiber and polyester fiber as the raw materials in this paper, and the effects of the preparing conditions on the mechanical properties and sound-absorbing performance of the composite were investigated. The results show that it is feasible to add the adhesive and a foaming agent into wood fibers and polyester fibers to make a composite material, and the optimum conditions were determined as follows: hot pressing temperature 150 ℃ and composite time is 10 min. In a certain temperature range, the mechanical properties are improved along with time increasing, while the time has little effect on the acoustic performance. And in a certain time range, as the temperature increases, both the mechanical properties and acoustic performance improved. The average absorption coefficient of the material is 0.65 at the temperature 140 ℃ in the range from 1 600 Hz to 4 000 Hz, while it is 0.7 at 150 ℃.

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WANG Junfeng, PENG Limin, FU Feng, ZHANG Yaoli, LIANG Shanqing. Study on the conditions of composite process of sound-absorbing materials with wood fiber and polyester fiber[J]. Journal of Nanjing Forestry University (Natural Sciences Edition）. 2013, 37(06): 132-136 https://doi.org/10.3969/j.issn.1000-2006.2013.06.026

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