| 发明名称 | Process for the preparation of low-viscosity, water-dilutable urethane (meth)acrylates | ||
| 摘要 | The present invention relates to a process for the preparation of highly reactive, low-viscosity and water-dilutable polyisocyanate reaction products which contain activated groups which react, by polymerization, with ethylenically unsaturated compounds under the action of actinic radiation. The present invention furthermore relates to a process for the preparation of such products and their use. | ||
| 申请公布号 | US8932722(B2) | 申请公布日期 | 2015.01.13 |
| 申请号 | US201213651748 | 申请日期 | 2012.10.15 |
| 申请人 | ALLNEX IP S.a.r.L. | 发明人 | Ludewig Michael;Sommer Stefan;Fischer Wolfgang;Yuva Nusret |
| 分类号 | B32B27/40;C09D175/16;C09J175/16;C08G18/40 | 主分类号 | B32B27/40 |
| 代理机构 | Drinker Biddle & Reath LLP | 代理人 | Drinker Biddle & Reath LLP |
| 主权项 | 1. A process for preparing a low-viscosity, water-dilutable polyurethane (meth)acrylate comprising reacting components (a), (c), (d), and (e) (a) at least one oligomeric polyisocyanate having an average of at least three isocyanate groups; (c) at least one polyoxyalkylene mono-ol; (d) at least one hydroxyalkyl (meth)acrylate; (e) at least one polyoxyalkylene polyol based on a starter molecule which has at least three hydroxyl functional groups and is partially reacted by esterification with (meth)acrylic acid such that on average 0.2 to 1.5 hydroxyl functional groups still remain; to form said low-viscosity, water-dilutable polyurethane (meth)acrylate; wherein said low-viscosity, water-dilutable polyurethane (meth)acrylate has an NCO content of less than 0.5 weight %. | ||
| 地址 | LU | ||