| abstract |
The invention discloses a vibrating diaphragm for a miniature sound production device and the miniature sound production device, wherein the vibrating diaphragm is made of nitrile rubber, the nitrile rubber is prepared by taking polyacrylonitrile as a main polymerization monomer and crosslinking monomer through crosslinking polymerization, the crosslinking monomer is polybutadiene, and the content of a polyacrylonitrile block as the main polymerization monomer in the nitrile rubber is 10-70 wt%; the vibrating diaphragm provided by the invention has better structural stability, polarization resistance and low-frequency sensitivity; the miniature sound production device provided by the invention has better acoustic performance. |