发明申请
US20070105982A1 Low-voc aqueous coating compositions with excellent freeze-thaw stability
有权
具有优异的冻融稳定性的低声级含水涂料组合物
- 专利标题： Low-voc aqueous coating compositions with excellent freeze-thaw stability
- 专利标题（中）： 具有优异的冻融稳定性的低声级含水涂料组合物
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申请号： US10580250申请日： 2004-12-01
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公开(公告)号： US20070105982A1公开(公告)日： 2007-05-10
- 发明人: Konrad Roschmann , Jorg Leuninger , Rolf Dersch , Cheng-Le Zhao , Li Zhuo , Terri Cunningham
- 申请人： Konrad Roschmann , Jorg Leuninger , Rolf Dersch , Cheng-Le Zhao , Li Zhuo , Terri Cunningham
- 申请人地址： DE Ludwigshafen 67056
- 专利权人： BASF Aktiengesellschaft
- 当前专利权人： BASF Aktiengesellschaft
- 当前专利权人地址： DE Ludwigshafen 67056
- 优先权： EP03027939.2 20031204; EP03028007.7 20031205
- 国际申请： PCT/EP04/13616 WO 20041201
- 主分类号： C09D151/00
- IPC分类号： C09D151/00
摘要：
The present invention relates to an aqueous coating composition having excellent freeze-thaw stability and a low-VOC content, comprising a multi-stage polymer dispersion comprising (a) an inner phase comprising at least one latex polymer derived from at least one monomer and at least one polymerizable alkoxylated surfactant having the structure: R1—R2 wherein R1 is an allyl group selected from the group consisting of CH3—CH═CH— and CH2═CH—CH2—, or an acrylic group and R2 is a radical comprising at least two carbon atoms and at least one oxyethylene or oxypropylene unit; (b) an outer phase having a glass transition temperature of from 30° C. to 110° C. containing at least one ethylenic unsaturated monomer (c) at least one pigment; (d) water; and (e) less than 3.0% by weight based on the total weight of the aqueous coating composition of anti-freeze agents.