Acoustic wool with high impact resistance and preparation method thereof

Abstract

The invention discloses acoustic wool with high impact resistance. The acoustic wool is prepared from, by weight, 1-2 parts of barium stearate, 0.5-1 part of sodium xylene sulfonate, 5-10 parts of zircon powder, 3-5 parts of silicon carbide, 1-2 parts of ethylene bis stearamide, 80-100 parts of polypropylene, 2-4 parts of styrene, 1-2 parts of epoxy rice bran oleic acid butyl ester, 3-5 parts of butyl methacrylate, 1-2 parts of polyethylene glycol, 0.05-0.1 part of azodiisobutyronitrile, 0.5-1 part of castor oil and 3-5 parts of functional powder. The acoustic wool is good in sound absorption effect and mechanical performance, high in durability, high in impact resistance, less prone to deformation, good in processing performance, capable of absorbing harmful substances in air, effectively purifying the air and protecting human health, high in comprehensive value and high in practicality.

Description

technical field [0001] The invention relates to the technical field of sound-absorbing materials, in particular to a high-impact-resistant sound-absorbing cotton and a preparation method thereof. Background technique [0002] Due to the rapid development of the economy, the number and types of noise sources are increasing. Noise pollution has penetrated into all areas of people's work and life. Noise has become one of the most serious and widespread pollution affecting people's lives. With the increasing awareness of environmental protection, the problem of noise pollution has been paid more and more attention. In order to find a solution and ensure the normal progress of people's life and learning activities, it is necessary to continuously develop new materials that can control noise hazards. [0003] Sound-absorbing cotton is a porous sound-absorbing material. When the sound passes through the channel, it is reflected multiple times in the material, and the sound energy ...

AI Technical Summary

Problems solved by technology

Commonly used sound-absorbing cotton includes glass fiber sound-absorbing cotton and polyester fiber sound-absorbing cotton. Glass fiber sound-absorbing cotton is poor in environmental protection, and its raw materials contain harmful substances. It is easy to cause itching when it touches human skin, and it is not convenient for construction.

Polyester fiber sound-absorbing cotton is harmless to the human body, but its mechanical properties are poor, it is easy to deform, it is difficult to process, and its durability is not high

At the same time, the impact strength of polyester fiber sound-absorbing cotton is not high, and the withstand strength is low, which also limits its application range.