Patent ID: 9630152
Date: 2017-04-25
CPC Classifications: B01D,C08J,H01G,H01M,Y02E,Y10T

Claim:
1. A polyketone porous film comprising from 10 to 100 mass % of a polyketone as a copolymer of carbon monoxide and one or more olefins, wherein: said polyketone porous film has a pore formed only by a polyketone, the pore diameter uniformity parameter as a value obtained by dividing the standard deviation of the pore diameter in said pore by an average pore diameter is from 0 to 1.0, and the average through hole diameter of the polyketone porous film is from 0.01 to 50 μm; and the polyketone porous film has a polyketone part which has a fibrous structure.