| 摘要 |
A film forming composition includes a polymer of a compound represented by formula (I): wherein R1, R2 and R3 each independently represents a substituent containing a carbon-carbon double bond or carbon-carbon triple bond; X1, X2 and X3 each independently represents any substituent; l and n each stands for an integer of from 0 to 15 and m stands for an integer of from 0 to 14, with the proviso that l, m and n do not represent 0 simultaneously; o and q each independently stands for an integer of from 0 to 15 and p independently stands for an integer of from 0 to 14; and r stands for 0 or 1, with the proviso that when r=0, R1 and R3 each independently represents a substituent containing a carbon-carbon double bond.
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