Patent ID: 9635464
Date: 2017-04-25
CPC Classifications: H04R

Claim:
1. A membrane for producing a diaphragm, wherein, the membrane is made of MCPET material which is a MCPET baffle with micropores independent from each other; wherein an average size of the micropore is smaller than or equal to 5 μm, a foaming rate of the MCPET baffle is less than 2 times, and a density of the MCPET baffle is less than 300 kg/m 3 ; the MCPET baffle is further processed by means of layered cut to form the membrane thinner than the MCPET baffle being processed with a thickness of the membrane between 0.05-1 mm; and at least one surface with micropores is exposed to form a micropore exposed surface.