Heat-insulating and sound-absorbing board and preparation method thereof
A sound-absorbing panel and panel layer technology, applied in the field of heat insulation and sound absorption, can solve the problems of poor aging resistance, high combustion density, dust dissipation, etc., and achieve the effects of improving mechanical properties, improving heat insulation performance, and improving absorption efficiency
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[0028] Example 1
[0029] A heat-insulating sound-absorbing board, which is composed of a first panel layer, a second panel layer and a core material layer, the core material layer being located between the first panel layer and the second panel layer; the core material layer It is composed of wood felt, silica aerogel, and expandable microsphere foaming agent EM406 (produced by Nippon Oil & Fats Pharmaceutical Co., Ltd., with an average diameter of 20μm), in which silica aerogel and expandable microsphere foaming agent EM406 are filled In the wood felt; the first panel layer and the second panel layer are glass fiber reinforced epoxy resin-based composite sheets, the first panel layer and the core material layer, and the second panel layer and the core material layer are all integrally formed .
[0030] The preparation method, the steps are as follows:
[0031] (1) Grind and mix the epoxy resin, curing agent, diluent, accelerator, and coupling agent uniformly to obtain slurry A; t...
Example Embodiment
[0037] Example 2
[0038] A heat-insulating sound-absorbing board, which is composed of a first panel layer, a second panel layer and a core material layer, the core material layer being located between the first panel layer and the second panel layer; the core material layer It is composed of wood felt, titanium dioxide aerogel, and expandable microsphere foaming agent EHM401 (produced by Nippon Oil & Fats Pharmaceutical Co., Ltd., with an average diameter of 60μm). Titanium dioxide aerogel and expandable microsphere foaming agent EHM401 are filled in the wood felt ; The first panel layer and the second panel layer are aramid fiber reinforced epoxy resin-based composite sheets, and the first panel layer and the core material layer, and the second panel layer and the core material layer are all integrally formed.
[0039] The preparation method, the steps are as follows:
[0040] (1) Grind and mix the epoxy resin, curing agent, diluent, accelerator, and coupling agent uniformly to o...
Example Embodiment
[0046] Example 3
[0047] A heat-insulating sound-absorbing board, which is composed of a first panel layer, a second panel layer and a core material layer, the core material layer being located between the first panel layer and the second panel layer; the core material layer It is composed of wood felt, carbon aerogel, expandable microsphere foaming agent TEP-160 (produced by Nippon Oil and Fats Pharmaceutical Co., Ltd., average diameter 80μm), in which carbon aerogel and expandable microsphere foaming agent TEP-160 are filled In the wood felt; the first panel layer and the second panel layer are glass fiber reinforced phenolic resin-based composite sheets, and the first panel layer and the core material layer, and the second panel layer and the core material layer are all integrally formed.
[0048] The preparation method, the steps are as follows:
[0049] (1) Grind and mix the phenolic resin, curing agent, diluent, accelerator, and coupling agent uniformly to obtain slurry A; th...
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