Light sound insulation wallboard and preparation method thereof
A wallboard, lightweight technology, applied in the direction of clay preparation equipment, chemical instruments and methods, manufacturing tools, etc., can solve the problems of poor sound insulation effect, and achieve the effect of improving sound insulation effect, light weight, and good structural strength
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[0063] Example 1
[0064] A light-weight sound-insulating wallboard prepared from the components shown in Table 1 and their parts by weight.
[0065] In this embodiment, the mesh number of the medical stone powder in Table 1 is 200 meshes.
[0066] The fly ash in Table 1 is derived from solid waste discharged from thermal power plants, and the mesh number of fly ash is 180 meshes.
[0067] The fiber mixture in Table 1 is composed of low-carbon steel fiber and glass fiber in a weight ratio of 1:0.5.
[0068] A preparation method of light-weight soundproof wallboard includes the following steps:
[0069] S1. Preparation raw materials: take corresponding parts by weight of ceramsite, river sand, fly ash, ceramic sand and sepiolite and mix and stir for 30 minutes to prepare mixture A, take corresponding parts by weight of water and low alkalinity sulphoaluminate cement Stir and mix for 20 minutes to obtain mixture B. Take corresponding parts by weight of sodium lignosulfonate, water reducin...
Example Embodiment
[0074] Example 2
[0075] A light-weight sound-insulating wallboard, which is different from Example 1 in that it is prepared from the components shown in Table 1 and their parts by weight.
[0076] In this embodiment, the medical stone powder in Table 1 is modified medical stone powder, and the preparation method of the modified medical stone powder is as follows:
[0077] A1. The medical stone is soaked in 8% hydrochloric acid with a volume fraction of 8% for 3 hours, washed with deionized water, and then calcined at 400°C for 4 hours. After cooling, it is soaked in 10% hydrogen peroxide solution for 3 hours, and then washed with deionized water to Neutral and drying.
[0078] A2. Add 0.25 parts by weight of 2,4,6-tris(dimethylaminomethyl)phenol, 0.5 parts of ethyl alpha cyanoacrylate, and 0.25 parts of cross-linking agent TAC into it, at a high speed of 4500 rpm / Stir separately, 20 minutes later, dry and pulverize to obtain modified medical stone powder.
[0079] In this embodimen...
Example Embodiment
[0089] Example 3
[0090] A light-weight sound insulation wallboard, which is different from Example 2 in that it is prepared from the components shown in Table 1 and their parts by weight.
[0091] In this embodiment, the medical stone powder in Table 1 is modified medical stone powder. The preparation method of the modified medical stone powder is as follows: A1. The medical stone is soaked in 10% hydrochloric acid for 3.5 hours and washed with deionized water. , Then calcined at 420°C for 4.5 hours, after cooling, soaked in 15% hydrogen peroxide solution for 3.5 hours, washed with deionized water to neutrality, and dried.
[0092] A2. Add 0.3 parts by weight of 2,4,6-tris (dimethylaminomethyl) phenol, 0.6 parts of ethyl alpha cyanoacrylate, and 0.3 parts of cross-linking agent TAC, at a high speed of 4600 rpm. Stir separately, 25 minutes later, dry and smash to obtain modified medical stone powder.
[0093] In this embodiment, the mesh number of medical stone powder is 300 meshes....
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