发明名称 |
SOUND ABSORBING MATERIAL CONTAINING MELT-BLOWN NONWOVEN FABRIC |
摘要 |
PROBLEM TO BE SOLVED: To provide a sound absorbing material excellent in heat resistance, in sound absorptivity and in abrasion resistance. SOLUTION: This sound absorbing material comprises a laminate having 5-50 mm thickness and composed of a melt-blown nonwoven fabric comprising practically flatly accumulated microfibers consisting of a blend of 80-20 wt.% polyethylene terephthalate and 20-80 wt.% polybutylene terephthalate and having 0.1-0.4 g/cm3 apparent density and 5-300 g/m2 basis weight and a spunbonded nonwoven fabric comprising a polyester fiber having 1-11 dtex single fiber fineness and having 10-100 g/m2 basis weight on at least one side of the melt- blown nonwoven fabric; wherein the spunbonded nonwoven fabric is arranged at the most front surface.
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申请公布号 |
JP2002069824(A) |
申请公布日期 |
2002.03.08 |
申请号 |
JP20000269970 |
申请日期 |
2000.09.06 |
申请人 |
KURARAY CO LTD |
发明人 |
KONISHI TAKESHI;KIMURA TOMOAKI |
分类号 |
E04B1/82;B32B5/26;B32B27/36;B60R13/08;D04H1/55;D04H3/16;G10K11/162;(IPC1-7):D04H3/16;D04H1/54 |
主分类号 |
E04B1/82 |
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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