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1. (WO2017148011) METHOD FOR PREPARING SOUND-ABSORBING ARTICLE, AND SOUND-ABSORBING ARTICLE

Pub. No.:    WO/2017/148011    International Application No.:    PCT/CN2016/082466
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Thu May 19 01:59:59 CEST 2016
IPC: C08L 75/04
Applicants: GOERTEK.INC
歌尔声学股份有限公司
Inventors: CAO, Xiaodong
曹晓东
Title: METHOD FOR PREPARING SOUND-ABSORBING ARTICLE, AND SOUND-ABSORBING ARTICLE
Abstract:
The present invention discloses a method for preparing a sound-absorbing article, and a sound-absorbing article. The method comprises: preparing a non-foaming sound-absorbing material powder and a foaming material; evenly mixing the non-foaming sound-absorbing material powder with the foaming material and adding an auxiliary agent to prepare a sound-absorbing mixture; and implementing a foaming treatment of the sound-absorbing mixture such that the foaming material forms a porous foam, the non-foaming sound-absorbing material powder adhering to a surface and a pore of the foam. The non-foaming sound-absorbing material powder and the foam constitute the sound-absorbing article.