POLYUREA MACROMER AND LATEXES THEREOF

    公开(公告)号:US20160068673A1

    公开(公告)日:2016-03-10

    申请号:US14942202

    申请日:2015-11-16

    IPC分类号: C08L33/08

    摘要: The present invention is a composition comprising a) a stable aqueous dispersion of polymer particles having one or more structural units of i) a polyurea macromer; and ii) an acrylate, a methacrylate, a vinyl ester, or a styrene monomer, or a combination thereof; and/or b) an aqueous mixture of a i) polyurea macromer polymer particles; and b) acrylate, methacrylate, vinyl ester, or styrenic polymer particles, or a combination thereof, wherein the polyurea macromer is characterized by the following formula I: where A1, A2, R1, R2, and R3 are as defined herein. Compositions prepared using the compound of the present invention can be used to form coatings with excellent balance of low temperature film formation, hardness, and flexibility.

    摘要翻译: 本发明是一种组合物,其包含a)具有一种或多种结构单元的聚合物颗粒的稳定水分散体,其i)聚脲大分子单体; 和ii)丙烯酸酯,甲基丙烯酸酯,乙烯基酯或苯乙烯单体或其组合; 和/或b)i)聚脲大分子单体聚合物颗粒的水性混合物; 和b)丙烯酸酯,甲基丙烯酸酯,乙烯基酯或苯乙烯聚合物颗粒或其组合,其中聚脲大分子单体的特征在于以下式I:其中A1,A2,R1,R2和R3如本文所定义。 使用本发明化合物制备的组合物可用于形成具有低温成膜,硬度和柔韧性优异平衡的涂层。