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    • 5. 发明申请
    • POLYMER PARTICLE, POLYMER DISPERSION, METHOD FOR PRODUCING SAID POLYMER DISPERSION, COATING MATERIAL PRODUCED FROM SAID POLYMER DISPERSION, AND COATED ARTICLE
    • 聚合物颗粒,聚合物分散体,生产聚合物分散体的方法,由聚合物分散体制得的涂料,和涂层物品
    • US20150376390A1
    • 2015-12-31
    • US14767754
    • 2014-02-14
    • MITSUBISHI RAYON CO., LTD.JAPAN COATING RESIN CORPORATION
    • Naohiro KOSUGIShinya YAMATOJunichi NAKAMURAMotomi TANAKAMasashi TORISAKI
    • C08L33/08C09D133/08
    • C08L33/08C08F2/24C08F2/26C08F2/44C08F283/04C08G18/0828C08G18/42C08G18/44C08L2201/56C09D133/06C09D133/08C09D175/04C08L75/04
    • The present invention relates to: a polymer particle in which a urethane resin (A1) and an acrylic polymer (B1) are included in a single particle, said polymer particle having a gel fraction of 10% or more as measured using N,N-dimethylformamide (DMF) as a solvent; a polymer particle in which a urethane resin (A2) having a sulfonic acid group and an acrylic polymer (B2) are included in a single particle, said polymer particle having a surface acid value of 0.1 to 19 mgKOH/g as measured by a potentiometric titration method; and a method for producing a polymer dispersion. According to the present invention, it becomes possible to provide: a polymer dispersion which has excellent polymerization stability and can have an excellent coating viscosity property and excellent storage stability when used in a coating material; a method for producing the polymer dispersion; and a polymer particle contained in the polymer dispersion. It also becomes possible to provide: a coating material which enables the formation of a coating film that can have excellent water resistance and solvent resistance even when the drying conditions include a low temperature and a shorter drying time; and a coated material which has the coating material applied thereon.
    • 本发明涉及:在单粒子中含有聚氨酯树脂(A1)和丙烯酸类聚合物(B1)的聚合物粒子,所述聚合物粒子的凝胶分数为10%以上,使用N,N- 二甲基甲酰胺(DMF)作为溶剂; 在单个颗粒中包含具有磺酸基的聚氨酯树脂(A2)和丙烯酸类聚合物(B2)的聚合物颗粒,所述聚合物颗粒的表面酸值为0.1〜19mgKOH / g,通过电位计 滴定法 和聚合物分散体的制造方法。 根据本发明,可以提供:聚合稳定性优异且在涂布材料中使用时具有优异的涂布粘度特性和优异的保存稳定性的聚合物分散体; 聚合物分散体的制造方法; 和聚合物分散体中所含的聚合物颗粒。 也可以提供:即使干燥条件包括低温和较短的干燥时间,也能够形成能够形成具有优异的耐水性和耐溶剂性的涂膜的涂料。 以及其上涂覆有涂料的涂布材料。