| 摘要 |
A polyamide comprising a recurring unit of the formula (I), ...(I) wherein each of R1, R2, R3, R4, R5, R6, R7 and R8 is independently a hydrogen atom, a halogen atom, a hydroxyl group, or a group of a carbon skeleton which may contain a hetero atom or a halogen atom, and A1 is a divalent hydrocarbon group; and a process for the production of a polyamide comprising the recurring unit of the formula (I), which comprises subjecting to a polycondensation reaction a dicarboxylic acid comprising an alicyclic dicarboxylic acid of the formula (a)-1, ...(a)-1 wherein R1, R2, R3, R4, R5, R6, R7 and R8 are as defined in the formula (I), and a diamine of the formula (b)-1, H2N-A1-NH2 ........ (b)-1 wherein A1 is as defined in the formula (I).
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