| 摘要 |
A coating composition comprising as a main component a polymeric resin obtained by solution polymerization of at least one of polymerizable amino acid compounds of either one of the formulas: <IMAGE> (Ia) wherein R1, R2, R3 and R4 are each hydrogen, methyl or ethyl, R5 is hydrogen or C1-C20 alkyl optionally having -SO-, -COO- or -O- therein, R6 is C1-C12 alkylene optionally substituted with -OH, -SH or -SR7 (R7 being C1-C4 alkyl) and/or optionally substituted with C1-C4 alkyl or phenylene optionally substituted with C1-C4 alkyl and A is -COOH or -SO3H, and <IMAGE> (Ib) wherein R8, R9 and R10 are each hydrogen or C1-C6 alkyl, R11 is hydrogen or C1-C20 alkyl optionally having -SO-, -COO- or -O- therein, or a group of the formula: <IMAGE> (R8, R9 and R10 being each as defined above), R12 is C2-C12 alkylene optionally substituted with C1-C6 alkyl or phenylene optionally substituted with C1-C4 alkyl, and A is as defined above, with or without at least one of other polymerizable monomers.
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