| abstract |
The present invention provides a kind of composite phosphate rust resisting pigment, it includes 85% phosphoric acid, 20% sodium hydroxide, aluminum sulfate octadecahydrate, epsom salt, white vitriol, calcium monohydrogen phosphate, calcium silicates, potassium feldspar, ferric phosphate, silane modifier and water, and 85% phosphoric acid, 20% sodium hydroxide, aluminum sulfate octadecahydrate, epsom salt, white vitriol, calcium monohydrogen phosphate, calcium silicates, potassium feldspar, ferric phosphate, the weight ratio of modifying agent and water are：(3‑4)∶(16‑18)∶(5‑6)∶(4‑5)∶(0.3‑0.4)∶(2.5‑3)∶(1.5‑2)∶(0.5‑0.6)∶(0.2‑0.3)∶(0.04‑0.15)∶(20‑50).Composite phosphate rust resisting pigment good antirust property provided by the invention, suitable for middle and high end coating, its preparation method reaction condition requires low, and technique is relatively easy, is easy to industrialized production.Production cost is relatively low, and market prospects are good, has preferable economic benefit and social benefit. |