申请人:NIPPON PAINT CO., LTD.
公开号:EP0390216A2
公开(公告)日:1990-10-03
Disclosed is a metallic pigment composition which is stably dispersed in a water borne coating composition and which also provides with smooth coatings having superior water resistance. The metallic pigment composition comprises a metallic pigment and a phosphorus compound represented by the following formula (I) or (II);
wherein ℓ is 0 or 1, m is an integer of 1 to 4, R₁ represents an aliphatic, alicyclic or aromatic hydrocarbon group which has a valence of m, R₂, R₇ and R₈, the same or different, represent a hydrogen atom, a C₁ - C₂₄ aliphatic hydrocarbon group, a C₃ - C₂₄ alicyclic hydrocarbon group or a C₆ - C₂₄ aromatic hydrocarbon group, R₃, R₄, R₅ and R₆, the same or different, represent a C₁ - C₃ alphatic hydrocarbon group or a C₆ or C₇ aromatic hydrocarbon group,
wherein n is 0, 1 or 2, p is an integer of 1 to 3, n + P equals 3, q is 0 or 1, R₉, R₁₄ and R₁₅, the same or different, represent a hydrogen atom, a C₁ - C₂₄ aliphatic hydrocarbon group, a C₃ - C₂₄ alicyclic hydrocarbon group or a C₆ - C₂₄ aromatic hydrocarbon group, R₁₀, R₁₁, R₁₂ and R₁₃, the same or different, represent a C₁ - C₃ alphatic hydrocarbon group or a C₆ or C₇ aromatic hydrocarbon group;
the phosphorus compound being present in an amount of 0.5 to 200 parts by weight based on 100 parts by weight of the metallic pigment.
The present invention also provides a water borne coating composition which contains the metallic pigment composition.
本发明公开了一种金属颜料组合物,它能稳定地分散在水性涂料组合物中,并能提供具有优异耐水性的光滑涂层。该金属颜料组合物由金属颜料和磷化合物组成,磷化合物由下式(I)或(II)表示;
其中 ℓ 为 0 或 1,m 为 1 至 4 的整数,R₁ 代表价数为 m 的脂肪族、脂环族或芳香族烃基,R₂、R₇ 和 R₈,相同或不同者,代表氢原子、C₁ - C₂₄ 脂肪族烃基、C₃ - C₂₄ 脂环烃基或 C₆ - C₂₄ 芳烃基,R₃、R₄、R₅ 和 R₆、代表 C₁ - C₃ 脂肪族烃基或 C₆ 或 C₇ 芳烃基、
其中 n 是 0、1 或 2,p 是 1 至 3 的整数,n + P 等于 3,q 是 0 或 1,R₉、R₁₄ 和 R₁₅,相同或不同,代表氢原子、C₁ - C₂₄ 脂肪族烃基、C₃ - C₂₄ 脂环烃基或 C₆ - C₂₄ 芳烃基, R₁₀、R₁₁、R₁₂ 和 R₁₃、相同或不同,代表 C₁ - C₃ 脂肪族烃基或 C₆ 或 C₇ 芳香族烃基;
以 100 重量份的金属颜料为基准,磷化合物的含量为 0.5 至 200 重量份。
本发明还提供了一种含有金属颜料组合物的水性涂料组合物。