发明名称 POLISHING-LAYER MOLDED BODY, AND POLISHING PAD
摘要 Provided is a polishing-layer molded body: which is non-porous; which contains a thermoplastic polyurethane that is a polymer of monomers including a polymer diol, an organic diisocyanate, a first chain extender containing a diol having 4 or fewer carbon atoms, and a second chain extender containing a diol having 5 or more carbon atoms; and in which the content ratio of nitrogen derived from isocyanate groups in the organic diisocyanate is 6.3-7.4 mass %.
申请公布号 WO2016084321(A1) 申请公布日期 2016.06.02
申请号 WO2015JP05640 申请日期 2015.11.12
申请人 KURARAY CO., LTD. 发明人 KADOWAKI, KIYOFUMI;KATO, SHINYA;OKAMOTO, CHIHIRO;KATO, MITSURU;TAKEGOSHI, MINORI
分类号 B24B37/24;B24B37/22;H01L21/304 主分类号 B24B37/24
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