Iron-modified acoustic material, production method thereof, speaker and electronic device
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United States of America Patent
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Issued Date -
Jan 18, 2024
app pub date -
Jul 17, 2023
filing date -
Jul 18, 2022
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Abstract
The present disclosure provides an iron-modified acoustic material, prepared by homogeneously mixing an iron-modified molecular sieve, a binder, a dispersant and an auxiliary agent and then shaping the mixture; wherein the content of the iron-modified molecular sieve is not less than 70%, the content of iron is 0.004-1.7%, the dry basis content of the dispersant is 0-1%, and the dry basis content of the auxiliary agent is 0-15%, based on 100% of the total weight of the iron-modified acoustic material. In the present disclosure, a molecular sieve is modified with an iron source to produce the iron-modified molecular sieve, and the iron-modified acoustic material is produced from the iron-modified molecular sieve as a raw material and provided in a rear cavity of a speaker, which can substantially improve its stability and reliability in terms of acoustic performance.
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