Sound-absorbing and heat-insulating honeycomb composite board and preparation method thereof
The invention discloses a sound-absorbing and heat-insulating honeycomb composite board and a preparation method thereof. The sound-absorbing and heat-insulating honeycomb composite board sequentially comprises an anti-seepage and scratch-resistant layer, a breathable and sound-absorbing bonding lay...
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Main Authors | , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
31.10.2023
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses a sound-absorbing and heat-insulating honeycomb composite board and a preparation method thereof. The sound-absorbing and heat-insulating honeycomb composite board sequentially comprises an anti-seepage and scratch-resistant layer, a breathable and sound-absorbing bonding layer, a sound-absorbing layer, a bonding layer, a sound-absorbing and heat-insulating layer, a bonding layer, a sound-absorbing layer, a breathable and sound-absorbing bonding layer and an anti-seepage and scratch-resistant layer from top to bottom, the preparation process comprises the following steps: performing opening, mixing, carding, lapping and needling reinforcement on thermoplastic matrix resin fibers, hollow fibers and reinforced fibers according to a certain proportion to obtain fiber-reinforced thermoplastic felt, and preheating, thermally bonding and pressurizing the fiber-reinforced thermoplastic felt and a plastic honeycomb core of which the surface is uniformly scattered with nano aerogel particles th |
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Bibliography: | Application Number: CN202310825705 |