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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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