| 摘要 |
PROBLEM TO BE SOLVED: To provide a polymer or a copolymer having high-molecular-weight piperidyl group in which the molecular weight and molecular weight distribution are controlled. SOLUTION: The piperidyl group-containing high-molecular-weight polymer or copolymer is composed of a unit represented by general formula (I) and has≥30,000 number-average molecular weight. COPYRIGHT: (C)2006,JPO&NCIPI
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