Sound absorption plate and preparation method thereof
The technology of sound-absorbing board and attapulgite clay, which is applied in the field of decorative materials, can solve the problems of non-compliance with green environmental protection, etc., and achieve the effects of improving uniformity and stability of quality, improving heat-resistance and flame-retardant properties, and excellent temperature-resistance and flame-retardant properties.
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Embodiment 1
[0023] A sound-absorbing board, comprising the following raw materials in parts by weight: 32 parts of gypsum powder, 26 parts of bamboo charcoal fiber, 8 parts of glass fiber, 2 parts of attapulgite clay, 6 parts of blast furnace slag, 2 parts of magnesium oxide, inorganic adhesive silicic acid 0.8 parts of sodium, 0.8 parts of water-repellent SHP-50, and 0.4 parts of flame retardant aluminum tripolyphosphate.
[0024] The preparation method of the above-mentioned sound-absorbing panel comprises the following steps:
[0025] (1) Purification of attapulgite clay: Weigh attapulgite clay, put in 10-20 times the mass of water, centrifuge at 1200-1400 r / min for 3-5 minutes, filter, and dry the filter cake until use;
[0026] (2) Preparation of base material: Mix bamboo charcoal fiber and glass fiber according to parts by weight, soak in hydrochloric acid solution with 3%-8% mass concentration for 1-2 hours, wash with purified water until neutral, add gypsum powder, The blast fur...
Embodiment 2
[0030] A sound-absorbing panel, comprising the following raw materials in parts by weight: 38 parts of gypsum powder, 25 parts of bamboo charcoal fiber, 12 parts of glass fiber, 3 parts of attapulgite clay, 8 parts of blast furnace slag, 2 parts of magnesium oxide, inorganic adhesive copper oxide - 1.2 parts of phosphoric acid glue, 0.5 parts of water repellent FN80, 0.5 parts of flame retardant tribromophenol.
[0031] The preparation method of the above-mentioned sound-absorbing panel comprises the following steps:
[0032] (1) Purification of attapulgite clay: Weigh attapulgite clay, put in 10-20 times the mass of water, centrifuge at 1200-1400 r / min for 3-5 minutes, filter, and dry the filter cake until use;
[0033] (2) Preparation of base material: Mix bamboo charcoal fiber and glass fiber according to parts by weight, soak in hydrochloric acid solution with 3%-8% mass concentration for 1-2 hours, wash with purified water until neutral, add gypsum powder, The blast fur...
Embodiment 3
[0037] A sound-absorbing board, comprising the following raw materials in parts by weight: 42 parts of gypsum powder, 20 parts of bamboo charcoal fiber, 8 parts of glass fiber, 5 parts of attapulgite clay, 9 parts of blast furnace slag, 1 part of magnesium oxide, inorganic adhesive silicic acid 1.8 parts of sodium, 1.5 parts of water repellent P750, 0.3 parts of flame retardant dimethyl methyl phosphate.
[0038] The preparation method of the above-mentioned sound-absorbing panel comprises the following steps:
[0039] (1) Purification of attapulgite clay: Weigh attapulgite clay, put in 10-20 times the mass of water, centrifuge at 1200-1400 r / min for 3-5 minutes, filter, and dry the filter cake until use;
[0040] (2) Preparation of base material: Mix bamboo charcoal fiber and glass fiber according to parts by weight, soak in hydrochloric acid solution with 3%-8% mass concentration for 1-2 hours, wash with purified water until neutral, add gypsum powder, The blast furnace sl...
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