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Multilayered product, its use in the manufacture of lightweight, sound-insulating, self-supporting articles and articles made therefrom
Multilayered product, its use in the manufacture of lightweight, sound-insulating, self-supporting articles and articles made therefrom
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机译:多层产品,用于制造轻质,隔音,自支撑的物品以及由其制成的物品
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摘要
The present invention relates to a multilayer product which comprises a first element consisting of a layer of spongy, semi-rigid polymer (A), impregnated on one or both sides with polyurethane resin (B), inserted between two layers of glass fibre and/or natural fibre (C), coupled in continuous with the central layer (B) (A) (B), said first element being coupled with at least a second element comprising a layer of spongy, semi-rigid polymer (A), impregnated on one or both sides with polyurethane resin (B), said second element being in turn coupled with a further layer of glass fibre and/or natural fibre (C). IMAGE
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