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    • 8. 发明公开
    • LOW-VOC AQUEOUS COATING COMPOSITIONS WITH EXCELLENT FREEZE-THAW STABILITY
    • LIGHT挥发性有机化合物(VOC),有带EXCELLENT FREEZE DEW稳定性水性涂料组合物的唯低水平
    • EP1692237A1
    • 2006-08-23
    • EP04803388.0
    • 2004-12-01
    • BASF Aktiengesellschaft
    • ROSCHMANN, KonradLEUNINGER, JörgDERSCH, RolfZHAO, Cheng-LeZHUO, LiCUNNINGHAM, Terri, A.
    • C09D151/00C08F265/06C08F2/22
    • C09D151/003C08F265/06C08K3/013C08F2/22
    • 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.
    • 本发明涉及到在wässrige涂料组合物具有优异的冻融稳定性和低的VOC含量,含有多级聚合物分散体,其包含(a)至内相,其包含至少一种胶乳聚合物由至少一种单体和衍生 至少具有1个聚合烷氧基化表面的结构:R1-R2 worin R1是选自CH 3-CH-CH和CH2-CH-CH 2,或丙烯酸类基团和R 2的选择的烯丙基基团是基团,其包含至少 两个碳原子和至少一个氧乙烯氧化丙烯或单元; (B)在具有从30℃至110℃的含有至少一个烯属不饱和单体(c)至少一种颜料的玻璃化转变温度外相; (D)水; 和(e)小于3.0重量%,基于抗冻剂的涂料组合物的wässrige总重量。