摘要 |
PROBLEM TO BE SOLVED: To provide a cleaning blade member excellent in wear resistance, etc., and usable over a prolonged period of time. SOLUTION: The cleaning blade member comprises a polyurethane formed using polyols including a polycarbonate diol and at least one of a polyester polyol obtained by dehydration condensation of adipic acid and a diol component and a caprolactone diol, a polyisocyanate and a crosslinking agent containing at least one short chain diol selected from among propanediol and butanediol and a triol whose molecular weight is 120-2,500, wherein the polyurethane has a peak temperature of tanδ(1 Hz) of≤0°C. COPYRIGHT: (C)2006,JPO&NCIPI
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