Patent ID: 7563557

Claim:
A polyamide having a structure represented by the chemical formula (1): wherein m and n represent an integer satisfying m≧1, n≧1, 2≦(m+n)≦150 and 0.3≦m/(m+n)≦0.9, repeating units may be arranged blockwise or randomly, R 1 and R 2 each independently represent at least one monovalent organic group containing a photopolymerizable unsaturated bond, a —COOR 1 group and a —COOR 2 group are each at an ortho position relative to a —CONH— group adjacent thereto, X 1 represents at least one tetravalent aromatic group, X 2 represents at least one trivalent aromatic group, Y 1 and Y 2 each independently represent at least one divalent organic group, and Z represents at least one monovalent organic group selected from the groups represented by the following chemical formula (2): wherein R 3 represents at least one monovalent organic group having 1 to 9 carbon atoms and R 4 represents at least one divalent organic group having 1 to 9 carbon atoms.