发明名称 |
Aqueous polyurethane resin, hydrophilic resin, and film |
摘要 |
An aqueous polyurethane resin is prepared by reaction of an isocyanate group-terminated prepolymer with a chain extender containing polyamine. The isocyanate group-terminated prepolymer is obtained by reaction of at least a polyisocyanate containing 50 wt % or more of a non-multiple ring polyisocyanate that does not contain an aromatic ring and an aliphatic ring, or contains one aromatic ring or aliphatic ring; polyoxyethylene polyol; and a polyoxyethylene side chain-containing active compound having two or more hydroxyl groups or isocyanate groups at its molecular terminal and having a polyoxyethylene group in the side chain.
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申请公布号 |
US8461255(B2) |
申请公布日期 |
2013.06.11 |
申请号 |
US20080746422 |
申请日期 |
2008.12.04 |
申请人 |
ISOBE MASAHIRO;IMAI AKIHIRO;TACHIBANA ATSUKO;MITSUI CHEMICALS, INC. |
发明人 |
ISOBE MASAHIRO;IMAI AKIHIRO;TACHIBANA ATSUKO |
分类号 |
C08G18/08;C08G18/12 |
主分类号 |
C08G18/08 |
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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