Waterborne epoxy phosphatic zinc dust antirust paint and its preparation method
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A technology of zinc epoxy phosphate and water-based epoxy, applied in the field of anti-rust paint, to achieve the effect of large adjustable range of viscosity, good permeability and adhesion, and low toxicity
Inactive Publication Date: 2013-10-23
ANHUI KAILIN ADVANCED MATERIAL CO LTD
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[0011] The purpose of the present invention is to propose a water-based epoxy phosphate zinc powder an
Method used
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Embodiment 1
[0062] A water-based epoxy phosphate zinc powder anti-rust paint, the anti-rust paint is composed of component A and component B in a mass ratio of 2:1:
[0063] 1) The component A includes the following components by mass percentage:
[0064]
[0065]
[0066] 2) The second component is water-based epoxy curing agent AB-HGF.
[0067] The preparation method is as follows:
[0068] 1) First, mix the water-based epoxy resin, dispersant, phosphate, zinc powder, sodium nitrite, and water according to the formula amount, and then disperse, and sand to a fineness of 70μm or less;
[0069] 2) Add the remaining additives to the mixture obtained in step 1) and stir evenly. After adjusting the viscosity to 3~5Pa.S, filter and pack to obtain component A;
[0070] 3) Pack the component A and component B obtained in step 2) according to the mass ratio.
Embodiment 2
[0072] A water-based epoxy phosphate zinc powder anti-rust paint, the anti-rust paint is composed of component A and component B at a mass ratio of 8:1:
[0073] 1) The component A includes the following components by mass percentage:
[0074]
[0075]
[0076] 2) The second component is water-based epoxy curing agent AB-HGT.
[0077] The preparation method is the same as in Example 1.
Embodiment 3
[0079] A water-based epoxy phosphate zinc powder anti-rust paint, the anti-rust paint is composed of component A and component B at a mass ratio of 8:1:
[0080] 1) The component A includes the following components by mass percentage:
[0081]
[0082] 2) The second component is water-based epoxy curing agent AB-HGT.
[0083] The preparation method is the same as in Example 1.
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Abstract
The invention relates to a waterborne epoxy phosphatic zinc dust antirust paint and its preparation method. The antirust paint is mainly composed of a component A and a component B: 1) the component A comprises the following ingredients: by weight, 8-35% of waterborne epoxy resin, 22-58% of phosphate, 20-46% of zinc dust and the balance water; and 2) the component B is a curing agent. The preparation method comprises the following steps: firstly mixing waterborne epoxy resin, phosphate, zinc dust, sodium nitrite, a dispersant and water according to the formula ratio, dispersing, and carrying out sand milling until the fineness is below 70 microns; adding other auxiliary agents into the obtained mixture and uniformly stirring, adjusting viscosity to 3-5 Pa, filtering and packaging to obtain the component B; and packaging the obtained component A and the component B according to the mass ratio.
Description
Technical field [0001] The invention relates to the technical field of anti-rust paint, in particular to a water-based epoxy phosphate zinc powder anti-rust paint and a preparation method. Background technique [0002] In the process of use, metal materials are gradually damaged or deteriorated due to the influence of the atmosphere, seawater, soil and other environments over time, which is usually called corrosion or aging. 70% of steel used for large-scale steel bridges, vehicles, ships, storage tanks, workshops, etc. are used in environments that are prone to rust. [0003] Anti-corrosion paint is a kind of paint that can protect metal surfaces from chemical or electrochemical corrosion in the atmosphere and sea water. It is mainly divided into two categories: physical and chemical anti-rust paint. The former relies on the proper combination of pigments and paints to form a dense paint film to prevent the intrusion of corrosive substances, such as iron red, aluminum powder, gr...
Claims
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