发明名称 |
Urethane molded products for polishing pad and method for making same |
摘要 |
<p>Urethane molded products for polishing pad comprise two types of cells having different sizes in urethane molded products formed by mixing and curing an isocyanate-terminated urethane prepolymer and an active hydrogen-containing compound. The molded products may be made by a procedure comprising mixing expanded microballoons or non-expanded, thermally expandable microspheres and water with the isocyanate-terminated urethane prepolymer and active hydrogen-containing compound and curing the mixture.</p> |
申请公布号 |
EP1057841(A3) |
申请公布日期 |
2002.01.09 |
申请号 |
EP19990306858 |
申请日期 |
1999.08.27 |
申请人 |
FUJI SPINNING CO., LTD. |
发明人 |
KIHARA, KATUSHI;MOCHIZUKI, YOSHIMI |
分类号 |
C08G18/70;C08G18/12;C08G18/48;C08G18/66;C08J9/32;(IPC1-7):C08G18/12;C08L75/02;B24B37/04;C08K7/22;C08L75/04 |
主分类号 |
C08G18/70 |
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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