| abstract |
The present invention provides a release layer-forming composition comprising a polyamic acid represented by the following formula (1), a polyamic acid represented by the following formula (2), and a polyamide represented by the following formula (3) An acid or a polyamide represented by the following formula (4), and an organic solvent. In the formula, X 1 represents a tetravalent aromatic group having no fluorine atom, X 2 represents a tetravalent aromatic group having a fluorine atom, X 3 represents a divalent aromatic group having no fluorine atom, Y 1 represents a divalent aromatic group having a fluorine atom, Y 2 represents a divalent aromatic group not having a fluorine atom, and m represents a natural number. |