| 摘要 |
PROBLEM TO BE SOLVED: To improve sensitivity, resolving power and shelf stability, to enable curing at a low temp. and to reduce the residual stress of a film by incorporating a specified polyamic acid compd., a specified polyamic ester, compd., a photosensitive auxiliary having a photopolymerizable functional group, a photopolymn. initiator and a solvent. SOLUTION: This compsn. contains a polyamic acid compd. having at least one of actinic ray functional groups Z<1> represented by formula I and Z<2> represented by formula II, a polyamic ester compd. obtd. by esterifiying the carboxyl groups of a polyamic acid compd. with photocrosslinkable groups, a photosensitive auxiliary having a photopolymerizable functional group, a photopolymn. initiator and a solvent. In the formula I, X is a single bond, -O-, etc., each of R<3> -R<7> is a substituent having a photopolymerizable C-C double bond, (m) is 0 or 1 and (n) is an integer of 1-3. In the formula II, each of R<3> -R<7> is a substituent having a photopolymerizable C-C double bond and (m) is 0 or 1. |
