CPC H04R 31/003 (2013.01) [B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/36 (2013.01); C09J 133/08 (2013.01); C09J 175/04 (2013.01); C09J 183/04 (2013.01); H04R 7/10 (2013.01); B32B 2274/00 (2013.01); B32B 2457/00 (2013.01); H04R 2307/025 (2013.01)] | 15 Claims |
1. A speaker diaphragm, comprising two surface layers compounded together and at least one intermediate layer located between the two surface layers, wherein at least one of the surface layers comprises a thermoplastic polyester elastomer film layer, and at least one of the intermediate layers is an adhesive layer, wherein the thermoplastic polyester elastomer film layer has a Young's modulus of 1 MPa-1000 MPa, a loss factor being greater than or equal to 0.015, and an elastic recovery rate after 10% strain being greater than or equal to 80%.
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