Antirust pigment and preparation method thereof
A technology of anti-rust pigments and raw materials, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of early anti-rust performance, anti-flash rust performance, high cost, complicated process of phosphate anti-rust pigments, etc., and achieve considerable Effect of economic and social benefits, good water resistance, good anti-flash rust performance
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[0049]The second aspect of the present invention provides a method for preparing the anti-rust pigment, which at least includes the following steps: adding each component into a reaction kettle, stirring and reacting, granulating, drying, and pulverizing.
[0050] In a preferred embodiment, the preparation method of the antirust pigment at least includes the following steps: adding inorganic acid, organic acid, organic amines, and water into the reaction kettle to stir and dissolve, and controlling the temperature at 25 ~100°C, react for 0.5~1h, then add silicate, filler and azole substances, continue to stir and react for 0.5~4h, then granulate, dry and grind to obtain the product.
[0051] In a more preferred embodiment, the preparation method of the anti-rust pigment at least includes the following steps: adding inorganic acid, organic acid, organic amine substances, and an appropriate amount of water into the reactor, stirring and dissolving, and controlling the temperature...
Embodiment 1
[0056] Embodiment 1 of the present invention provides an anti-rust pigment. In parts by weight, the preparation raw materials are 20 parts of acid substances, 20 parts of organic amine substances, 45 parts of silicates, 6 parts of fillers, and 0.6 parts of azoles substance.
[0057] The acid substance is an inorganic acid and an organic acid; the weight ratio of the inorganic acid to the organic acid is 2:1; the inorganic acid is orthophosphoric acid; and the organic acid is benzoic acid.
[0058] The orthophosphoric acid was purchased from Chongqing Chuandong Chemical Group; the benzoic acid was purchased from Hunan Hongrun Chemical Co., Ltd.
[0059] The organic amine substance is triethanolamine; the triethanolamine is purchased from Guangzhou Haizhu Chemical Reagent Co., Ltd.
[0060] The silicate is calcium silicate powder; the calcium silicate powder is purchased from Jiangxi Kete Fine Powder Co., Ltd., and the model is KT-0018.
Embodiment 2
[0065] Embodiment 2 of the present invention provides an anti-rust pigment. In parts by weight, the preparation raw materials are 15 parts of acid substances, 15 parts of organic amine substances, 30 parts of silicate, 5 parts of fillers, and 0.1 part of azoles substance.
[0066] The acid substance is an inorganic acid and an organic acid; the weight ratio of the inorganic acid to the organic acid is 1:1; the inorganic acid is orthophosphoric acid; and the organic acid is benzoic acid.
[0067] The orthophosphoric acid was purchased from Chongqing Chuandong Chemical Group; the benzoic acid was purchased from Hunan Hongrun Chemical Co., Ltd.
[0068] The organic amine substance is triethanolamine; the triethanolamine is purchased from Guangzhou Haizhu Chemical Reagent Co., Ltd.
[0069] The silicate is calcium silicate powder; the calcium silicate powder is purchased from Jiangxi Kete Fine Powder Co., Ltd., and the model is KT-0018.
[0070] The filler is mica powder; the mi...
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Abstract
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