单孔中空涤纶增强橡胶基复合材料吸声性能

玻璃钢/复合材料 ›› 2019, Vol. 0 ›› Issue (1): 54-60.

单孔中空涤纶增强橡胶基复合材料吸声性能

洪杰^1,2

1.江苏工程职业技术学院,南通226001;
2.江苏省先进纺织工程技术中心,南通226001

收稿日期:2018-05-18 出版日期:2019-01-28 发布日期:2019-01-28
作者简介:洪杰(1981-),男,博士,副教授,主要从事阻尼吸声功能材料方面的研究,hongjie@jcet.edu.cn。
基金资助:
江苏高校品牌专业建设工程资助项目(PPZY2015A093);2017年江苏高校"青蓝工程"优秀青年骨干教师资助项目(苏教师﹝2017﹞15号);江苏工程职业技术学院2016年优秀青年科技人才培养项目(苏工院﹝2016﹞80号)

SOUND ABSORPTION PROPERTIES OF SINGLE-HOLE HOLLOW POLYESTER REINFORCED RUBBER COMPOSITES

HONG Jie^1,2

1.Jiangsu College of Engineering and Technology, Nantong 226001, China;
2.Jiangsu Advanced Textile Engineering Technology Center, Nantong 226001, China

Received:2018-05-18 Online:2019-01-28 Published:2019-01-28

摘要/Abstract

摘要： 以氢化羧基丁腈橡胶(简称“HXNBR”)为基体,单孔中空涤纶(简称“SHHPF”)为增强体,制取了HXNBR/SHHPF材料,对其吸声性能进行了研究。结果表明:1 mm厚的HXNBR/SHHPF材料随着SHHPF的使用及用量增加,吸声性能逐渐得到改善,在SHHPF用量为40%时为最佳,2500 Hz处的吸声系数增至0.671,吸声系数大于0.2的有效频域拓宽至1800 Hz~2500 Hz,但SHHPF用量进一步增至50%时吸声性能有所下降;保持HXNBR与SHHPF的质量比为80/20不变,逐渐将材料厚度从1 mm增加至5 mm,材料的吸声性能也随之得到改善,但在3 mm后再增加厚度其改善已较小,且改善呈现往中频移动的趋势;HXNBR/SHHPF材料在吸声性能得到改善的同时,其拉伸力学性能也得到显著改善,有助于材料的实际应用。

关键词: 氢化羧基丁腈橡胶, 单孔中空涤纶, 吸声, 阻尼, 复合材料

Abstract: A series of single-hole hollow polyester (abbreviated SHHPF) reinforced hydrogenated carboxyl nitrile rubber (abbreviated HXNBR) composites were fabricated. The sound absorption properties were investigated. The results indicate that the sound absorption property of HXNBR/SHHPF composite with thickness of 1 mm was remarkably improved with increasing SHHPF content. At SHHPF content of 40%, the sound absorption property is the best. The sound absorption coefficient at frequency 2500 Hz was increased to 0.671, and the effective bandwidth was 1800 Hz~2500 Hz for sound absorption coefficient larger than 0.2. However, sound absorption property was degraded when the SHHPF content grows to 50%. While, with the HXNBR/SHHPF mass ratio of 80/20, the sound absorption property was improved by increasing thickness of composites from 1 mm to 5 mm. However, the improvement through increasing thickness was relatively small after 3 mm, and the improvement was moved to medium frequency. At the same time, tensile mechanical property of HXNBR/SHHPF was also improved significantly, which benefits for its practical application.

Key words: hydrogenated carboxyl nitrile rubber, single-hole hollow polyester, sound absorption, damping, composite

中图分类号:

TB332

洪杰. 单孔中空涤纶增强橡胶基复合材料吸声性能[J]. 玻璃钢/复合材料, 2019, 0(1): 54-60.

HONG Jie. SOUND ABSORPTION PROPERTIES OF SINGLE-HOLE HOLLOW POLYESTER REINFORCED RUBBER COMPOSITES[J]. Fiber Reinforced Plastics/Composites, 2019, 0(1): 54-60.

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