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Non-woven fabrics with structural properties, acoustic and thermal enhanced
Non-woven fabrics with structural properties, acoustic and thermal enhanced
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机译：具有结构特性，声学和热增强性能的无纺布
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摘要
Non-woven fabrics with structural properties, acoustic and thermal aperfeiu00e7oadas.u00e9 provided a method of forming a insulating material in multiple layers (10) formed of a composite acoustic layer (12) and a first thermal layer (14). The sound insulating layer and is formed of a thermoplastic polymeric material and reinforcing fibers.Preferably, the reinforcing fibers are glass fibers of chopped filament for use in humid (wucs). The composite layer acoustics can be formed by opening of the fibre wucs, mixture of polymeric fibers and reinforcement, to form the polymeric fibers and reinforcing a sheet and then pasting the sheet.A first thermal layer formed by one or more organic material end plastics based polymer is then positioned on a first main surface layer compu00e1sita acoustics. A second thermal layer (16) of polymeric fibers may be optionally positioned on a second main surface layer composite acoustics.The acoustic material of multiple layers can be used in applications, semi structural and acoustic.
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