| 摘要 |
PROBLEM TO BE SOLVED: To provide an interior finish sheet for vehicles such as cars and trucks which is made of polyethylene terephthalate, a polyolefin, or the like, recyclable, and excellent in sound insulation. SOLUTION: In the interior finish sheet, a laminated sheet of polyethylene terephthalate or a polyolefin is composed of a surface layer A, an intermediate layer B, and an inner layer C. The surface layer A is an optional nonwoven fabric having a designable appearance. The density of the intermediate layer B is 300-600% of the density of the inner layer C. The intermediate layer B and the inner layer C are formed from a mixture of at least two kinds of fibers of the same material (the difference between the melting points is 30-160°C). The fibers of both layers are bonded to each other by being heat-treated at a temperature higher than the melting point of the fibers of a lower melting point. COPYRIGHT: (C)2004,JPO
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