| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a coating liquid suitable for use in production of a porous film or a laminated film, and excellent in serviceability. <P>SOLUTION: The coating liquid is disclosed which is obtained by dissolving 100 pts.wt. of a nitrogen-containing aromatic polymer, and ≥160 and ≤300 pts.wt. of a dissolution assistant in a solvent. The coating liquid is also disclosed wherein the weight of the nitrogen-containing aromatic polymer is ≥0.5 and ≤3.5 based on 100 of the total weight of the nitrogen-containing aromatic polymer, the dissolution assistant and the solvent. Moreover, the coating liquid includes a filler. The coating liquid is also disclosed wherein the weight of the filler is ≥10 and ≤500 based on 100 of the weight of the nitrogen-containing aromatic polymer. <P>COPYRIGHT: (C)2011,JPO&INPIT |
