发明名称 |
Method for producing aqueous emulsion of polyurethane |
摘要 |
Provided is a method for producing a polyurethane (PU) emulsion having good solvent resistance and water resistance and having good compatibility with other aqueous emulsions to give stable mixtures with them. The method comprises reacting (A) a PU prepolymer having an isocyanate group in the molecule, (B) a modified PVA having at least one member selected from the group consisting of an amino group, a primary hydroxyl group and an acetoacetyl group and (C) a low-molecular compound having an amino group and/or a hydroxyl group, in an aqueous medium.
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申请公布号 |
US6156840(A) |
申请公布日期 |
2000.12.05 |
申请号 |
US19990233047 |
申请日期 |
1999.01.19 |
申请人 |
KURARAY CO., LTD. |
发明人 |
NAKAMAE, MASATO;TANIMOTO, SEIJI;KATO, MITSURU;FUJIWARA, NAOKI |
分类号 |
C08G18/08;C08G18/12;C08G18/62;C09D175/04;(IPC1-7):C08J3/00;C08K3/20;C08L75/00;C08G18/00 |
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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