| abstract |
A compound represented by the following formula (1).nâ–ˇnIn the formula (1), R1 is independently a divalent group having a carbon number of 1 to 30, and R2 to R7 are each independently a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms, and carbon. An aryl group of 6 to 10, an alkenyl group having 2 to 10 carbon atoms, a mercapto group or a hydroxyl group. Here, at least one of R5 is a hydroxyl group or a mercapto group, and m2, m3 and m6 are each independently an integer of 0 to 9, m4 and The m7 series are each independently an integer from 0 to 8, m5 is an integer from 1 to 9, n is an integer from 1 to 4, and p2 to p7 are each independently an integer from 0 to 2. |