Sound insulation wallpaper
A sound-insulating wallpaper and sound-absorbing layer technology, applied in the field of decoration materials, can solve the problems of affecting human health, falling off of heavy metals, high production costs, etc., and achieve the effect of improving the use value, the probability of falling off is small, and the adhesion is strong
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Embodiment 1
[0014] The thickness of this soundproof wallpaper is 1.2mm, and it includes a decorative surface layer and a base layer under the decorative surface layer. A sound-absorbing layer is arranged between the decorative surface layer and the base layer, and the sound-absorbing layer is made of sugarcane fiber and resin. The material is used as the base layer, and the superfine iron powder of 150-200 mesh is used as the filler. The composite material as the base layer contains the following raw materials in parts by weight: 10 parts of dried sucrose factory filter mud, 5 parts of epoxy resin, 2 parts of ethylene-vinyl alcohol copolymer, and 1 part of ethylene wax. 10 parts of superfine iron powder.
[0015] Through the DN10 sound level meter test, the test result is less than 55 decibels during the day and less than 40 decibels at night, which meets the "GB3096-2008 Sound Environment Quality Standard": with residential, medical and health, cultural education, scientific research and...
Embodiment 2
[0017] The thickness of this soundproof wallpaper is 1.2mm, including a decorative surface layer and a base layer under the decorative surface layer, and a sound-absorbing layer is arranged between the decorative surface layer and the base layer, and the sound-absorbing layer is made of sugarcane fiber and rubber raw rubber The composite material is used as the base layer, and the mixture of 150-200 mesh ultrafine iron powder and ultrafine copper powder is used as the filler. The composite material as the base layer contains the following raw materials in parts by weight: 20 parts of dried sucrose factory filter mud, 10 parts of raw rubber, 3 parts of ethylene-vinyl alcohol copolymer, and 2 parts of ethylene wax. 10 parts of superfine iron powder and 10 weights of superfine copper powder.
[0018] Through the DN10 sound level meter test, the test result is less than 55 decibels during the day and less than 40 decibels at night, which meets the "GB3096-2008 Sound Environment Qu...
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