| 发明名称 |
LOW NWP AQUEOUS POLYURETHANE COMPOSITION |
| 摘要 |
An aqueous composition with a sediment content ≦̸5%, comprising a polyurethane dispersion wherein the polyurethane has an acid value in the range of from 25 to 65 mgKOH/g and comprises (i) 36 to 60 wt % of at least one aromatic polyisocyanate and where the polyurethane is prepared in the presence of (a) ≦̸5 wt % of 1-methyl-2-pyrrolidinone by weight of the polyurethane, (b) 5 to 100 wt % of 1-ethyl-2-pyrrolidinone by weight of polyurethane and (c) water.
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| 申请公布号 |
US2011064956(A1) |
申请公布日期 |
2011.03.17 |
| 申请号 |
US20100943903 |
申请日期 |
2010.11.10 |
| 申请人 |
DSM IP ASSETS B.V. |
发明人 |
CASTEREN VAN ILSE;ROELANDS MARC;OVERBEEK GERARDUS CORNELIS;TENNEBROEK RONALD |
| 分类号 |
C08K5/3415;B32B15/095;B32B17/10;B32B27/06;B32B27/08;B32B27/40;C08G18/08;C08G18/12;C08G18/28;C08G18/66;C08G18/72;C08G18/76;C08L33/10;C08L75/04;C09D175/04 |
主分类号 |
C08K5/3415 |
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