Car interior decorating material with good sound absorption effect and preparation method thereof
A technology for automobile interior and sound absorption, applied in the field of automobile interior materials, can solve the problems of poor sound absorption effect of interior materials, can not meet people's sound insulation requirements, inconvenient use, etc., achieve good sound absorption effect, reduce harm, and have a wide range of raw material sources Effect
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Embodiment 1
[0019] A car interior material with good sound absorption effect, comprising the following raw materials in parts by weight: 10 parts of wheat bran, 8 parts of tourmaline powder, 2 parts of nano-silica, 34 parts of low-density polyethylene, 25 parts of straw, and a crosslinking agent 6 parts, 10 parts of inorganic filler, 2 parts of light stabilizer, 1 part of flame retardant, 4 parts of Folium folium and 15 parts of phenolic resin. The inorganic filler includes a mixture of talcum powder, titanium dioxide and light calcium carbonate, and corn stalks are used as straws.
[0020] The preparation method of the automobile interior material with good sound absorption effect, the specific steps are as follows:
[0021] Step 1: Soak the straw in water for 8 hours, then drain the water and spray the straw with ammonia water with a mass fraction of 1.4% for 36 minutes, wash the sprayed straw with water to neutral and dry the water to obtain the modified straw ;
[0022] Step 2, put ...
Embodiment 2
[0027] A car interior material with good sound absorption effect, comprising the following raw materials in parts by weight: 1.5 parts of diphenyl ether, 11 parts of honeysuckle, 13 parts of wheat bran, 10 parts of tourmaline powder, 3 parts of nano silicon dioxide, low density polyethylene 38 parts, 31 parts of straw, 7.5 parts of cross-linking agent, 16 parts of inorganic filler, 3 parts of light stabilizer, 2.5 parts of flame retardant, 8 parts of Folium folium and 19 parts of phenolic resin.
[0028] The preparation method of the automobile interior material with good sound absorption effect, the specific steps are as follows:
[0029] Step 1: Soak the straw in water for 10 hours, then drain the water and spray the straw with ammonia water with a mass fraction of 1.8% for 45 minutes, wash the sprayed straw with water until neutral and dry the water to obtain the modified straw ;
[0030] Step 2, put Folium Folium in water 7 times its weight and decoct at 76 degrees Celsiu...
Embodiment 3
[0036] A car interior material with good sound absorption effect, comprising the following raw materials in parts by weight: 10-16 parts of wheat bran, 8-12 parts of tourmaline powder, 2-4 parts of nano silicon dioxide, and 34-45 parts of low-density polyethylene , 25-40 parts of straw, 6-10 parts of crosslinking agent, 10-22 parts of inorganic filler, 2-5 parts of light stabilizer, 1-4 parts of flame retardant, 4-10 parts of Daqingye and 15- 28 servings. The inorganic filler includes a mixture of talcum powder, light calcium carbonate, kaolin and bentonite, and the straw is a mixture of soybean straw, wheat straw and sugarcane straw.
[0037] The preparation method of the automobile interior material with good sound absorption effect, the specific steps are as follows:
[0038] Step 1: Soak the straw in water for 8 hours, then drain the water and spray the straw with ammonia water with a mass fraction of 1.8% for 46 minutes, wash the sprayed straw with water to neutral and d...
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