| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyimide excellent in solubility to organic solvent, a tetracarboxylic dianhydride compound that is a monomer thereof, and a method for producing the same.SOLUTION: The acid dianhydride compound is represented by formula [1]. A method for producing the same and a polyimide are also provided. (In the formula, R, R, R, R, R, R, R, R, R, R, Rand Reach independently represent hydrogen atom, 1-20C alkyl or 1-20C haloalkyl, wherein each of Rand R, Rand R, Rand R, Rand R, Rand R, and Rand Rmay form an alkylene chain together, A represents a divalent organic group, and n represents an integer of 2 or more). |
