发明名称 |
FLAME-RETARDANT ACOUSTIC MATERIAL |
摘要 |
<p>The object of the present invention is to provide a sound absorber such as a hood silencer, attached to the underside of the hood panel of a car to absorb sound from the engine, said sound absorber having excellent fire resistance and sound absorbability. To attain said object, the present invention provides a fire resistant sound absorber 1 made of a porous material 2 into which a phenolic resin is impregnated, said porous material 2 using fibers with a fineness in the range of between 0.02dtex and 50dtex, with phenolic resin content in said porous material 2 being adjusted to be in the range of between 50 and 200% by mass per unit weight of said porous material 2.</p> |
申请公布号 |
EP1626391(A1) |
申请公布日期 |
2006.02.15 |
申请号 |
EP20040729309 |
申请日期 |
2004.04.23 |
申请人 |
NAGOYA OIL CHEMICAL CO., LTD. |
发明人 |
OGAWA, MASANORI;ITO, KUNINORI;HAYAKAWA, Y. |
分类号 |
G10K11/162;B60R13/08;G10K11/16;(IPC1-7):G10K11/16 |
主分类号 |
G10K11/162 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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