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- W2359558281 abstract "The sound absorption performance of recycled NBR and its influencing factors are researched,and the sound absorption performance is improved by adding filling materials.It is suggested that the sound absorption performance of synthetic rubber is better than that of natural rubber,and the sound absorption performance of recycled NBR is better than that of EPDM reclaimed rubber and silicon reclaimed rubber.The sound absorption performance of recycled NBR after vulcanization is degraded;and as the thickness increases,the sound absorption performance at low frequency area is upgraded,while the sound absorption performance at 2 500 Hz or higher is degraded.A NBR sound absorber with an internal cone structure significantly improves sound absorption performance at low-midium frequency area,but the one with an external cone structure works more excellently at high frequency area.The sound absorption performance of recycled NBR is improved by adding foaming agent and vermiculite powder.When 1.5% foaming agent and 30% vermiculite powder are added,the sound absorption performance of recycled NBR is improved to the greatest extent." @default.
- W2359558281 created "2016-06-24" @default.
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- W2359558281 date "2012-01-01" @default.
- W2359558281 modified "2023-09-24" @default.
- W2359558281 title "Experimental Study on the Sound Absorption Performance and Improvement of Recycled NBR" @default.
- W2359558281 hasPublicationYear "2012" @default.
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