| 摘要 |
PROBLEM TO BE SOLVED: To provide a hyperbranched polyamide showing excellent heat resistance, excellent transparency, excellent solubility in organic solvent, and a high refractive index, and a film forming composition comprising the same.SOLUTION: A hyperbranched polyamide comprises a structural unit represented by formula (1) [where R-Rindependently represent a hydrogen atom, an alkyl group, an alkoxy group, an aryl group or an aralkyl group; Rand Rindependently represent a hydrogen atom, an alkyl group or an aryl group (where, at least one of Rand Ris an alkyl group or an aryl group); Arand Arindependently represent a C6-C20 arylene group].SELECTED DRAWING: None |
