| abstract |
PROBLEM TO BE SOLVED: To provide an aromatic polyimide film having good supportability and good tear resistance as a base film, and a laminate. A biphenyltetracarboxylic acid component and phenylenediamine are the main components, and have a high elastic modulus and an elongation of 45%. % Or more, and an aromatic polyimide film having a large value of tear propagation resistance (Elmendorf), and a laminate. |