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木质纤维/聚酯纤维吸声材料复合工艺的研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2013年06期
Page:
132-136
Column:
研究论文
publishdate:
2013-11-27

Article Info:/Info

Title:
Study on the conditions of composite process of sound-absorbing materials with wood fiber and polyester fiber
Article ID:
1000-2006(2013)06-0132-05
Author(s):
WANG Junfeng1 PENG Limin1* FU Feng1 ZHANG Yaoli2 LIANG Shanqing1
1. Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China;
2. College of Meterials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
Keywords:
wood fiber polyester fiber sound-absorbing materials
Classification number :
TQ323
DOI:
10.3969/j.issn.1000-2006.2013.06.026
Document Code:
A
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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Last Update: 2013-11-30