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Environment-friendly water-borne protective paint for engineering tower type crane and preparation method thereof
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A tower crane and environmentally friendly technology, applied in the field of protective paint, can solve problems such as poor water-based paint film, and achieve the effects of easy construction, less damage, and high corrosion resistance
Inactive Publication Date: 2017-10-24
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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[0004] 2. The application of existing water-based paint films in harsh environments is generally worse than that of solvent-based paints
Method used
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preparation example Construction
[0048] The present invention also provides a method for preparing an environment-friendly water-based protective paint for engineering tower cranes, comprising: three parts;
[0049] first part:
[0050] According to the ratio of raw materials, first stir 20-24wt% deionized water, 0.5-0.8% BYK-190, 1-1.2% Gen0851, 400-500r / min; then add 0.1-0.2% BYK-028 , 0.2-0.3% BYK-024, 500-600r / min stirring 5-8min; then gradually add 1.5-2.2% dipropylene glycol methyl ether, 1.5-1.8% dipropylene glycol butyl ether, 600-800r / min stirring 5 -8min;
[0051] Then add iron oxide red, talcum powder, aluminum tripolyphosphate, stir at 800-1000r / min for 5-8 / min, finally add 0.2-0.3% of magnesiumaluminum silicate LT, 0.1-0.18% of BENTONE EW, at 800 -1000r / min stirring 8-10 / min, grinding, fineness ≤ 25um, standby;
[0052] the second part:
[0053]Add 20-25% of STW703A, 21-25% of WP9000 into another stock preparation pot, stir evenly at 500-600r / min; gradually add 3.5wt% deionized water, 3.5wt%...
Embodiment 1
[0057] The invention provides an environment-friendly water-based protective paint for engineering tower cranes. The formula is divided into A component and B component, and the weight ratio of A component to B component is 9:1;
[0058] By weight percentage, component A contains:
[0063] The invention provides an environment-friendly water-based protective paint for engineering tower cranes. The formula is divided into A component and B component, and the weight ratio of A component to B component is 8.8:1;
[0064] By weight percentage, component A contains:
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Abstract
The invention discloses environment-friendly water-borne protective paint for an engineeringtower type crane and a preparation method thereof. According to the formula, the paint comprises a component A and a component B, wherein the component A is prepared from water-borne epoxyemulsion, water-borne polyester dispersion, environment-friendly co-solvent, a neutralizing agent, a dispersing agent, a defoaming agent, a substrate wetting agent, an anti-settling agent, deionized water, a thickening agent, anti-flash-rust agent, a rheological agent, a flatting agent, iron oxide red, talcpowder and aluminum triphosphate; and the component B is prepared from a water-borne curing agent, alcohol and deionized water. According to the protective paint, a water-borne system is selected, and has VOC less than or equal to 100g / L; the curing agent is prepared by selecting a water-borne epoxyemulsion and water-borne polyester dispersion mixed system, and has relatively high corrosion resistance, weather resistance, salt spray resistance reaching 1000 hours and aging resistance reaching 600 hours; and the film physical performance has hardness reaching 3H and adhesion being 0-grade, and prevents breakage in the tower type crane constructing process.
Description
technical field [0001] The invention relates to the technical field of protective paint, in particular to an environment-friendly water-based protective paint for engineeringtower cranes and a preparation method thereof. Background technique [0002] Tower cranes play an important role in the vertical and horizontal transportation of materials and the installation of building components mainly used in housing construction. Because tower cranes are in harsh outdoor working environments all the year round, such as sun exposure, rain, wind, etc., their Safety issues are directly related to the construction progress and quality of the project, so tower cranes and metal components should be sent back to the base for rust removal and paint maintenance after each project is used, so as to ensure safe and economical use of tower cranes and prolong their use However, during the construction process, the paint has a strong smell and pollutes the environment. When the sprayed tower cr...
Claims
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