节点文献
改性PP基吸声体吸声性能的研究
Study on the Sound Absorption Property of the Modified PP Absorber*
【摘要】 本文以自行研制的乙丙橡胶(EPR) 改性聚丙烯(PP)基阻燃泡沫材料制成吸声体,研究其吸声特性及规律。结果表明:该吸声体在中低频区域最大吸声系数可达到0-99,在125 ~2000Hz 频率范围内平均吸声系数为0-72 。
【Abstract】 Using a self-made material of ethylene-propylene rubber (EPR) and a modified polypropylene (PP) flame-retarding foamed material as the absorbor,this paper studies the sound absorption proporty and regulations.The result indicates that the lorgest sound absorption coefficient of the absorber reaches 0 99 at the range of low-intermediat frequeney and average coefficient can reach 0 72 at the range of 125-2000 Hz.
【关键词】 乙丙橡胶;
聚丙烯;
吸声材料;
吸声体;
【Key words】 ethylene-propylene rubber (EPR); polypropylene(PP); sound absorption material; absorber *A support project of the Heilongjiang Provincial Foundation of Natural Science;
【Key words】 ethylene-propylene rubber (EPR); polypropylene(PP); sound absorption material; absorber *A support project of the Heilongjiang Provincial Foundation of Natural Science;
【基金】 黑龙江省自然科学基金
- 【文献出处】 化学与粘合 ,CHEMISTRY AND ADHESION , 编辑部邮箱 ,1999年04期
- 【分类号】TB535.1
- 【被引频次】8
- 【下载频次】129