Water-based engineering machinery decoration finishing coat and preparation method thereof
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A kind of construction machinery and water-based technology, applied in the field of coatings, can solve the problems of water-based paint products, such as the gap in construction performance, high VOCs content in paint, and unsuitability for open-air construction, and achieve the effects of good environmental performance, good yellowing resistance, and fast hardness.
Pending Publication Date: 2019-02-01
河南中垣新材料科技有限公司
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Problems solved by technology
[0003] The existing paints are mainly solvent-based, and the problems of high VOCs content, serious pollution and fire hazards need to be solved; the existing water-based alkyd products are mostly resin-based products, and the VOCs content is still high; the existing water-based alkyd paint products are in Under unfavorable environment (low temperature, high humidity), the dryness is poor; the construction performance of existing water-based paint products still has a certain gap, and it is not suitable for roller coating construction; the early water resistance of existing water-based paint products is poor, and it is not suitable for open-air construction
Method used
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Embodiment 1
[0040] Water-based construction machinery decorative finish paint, including the following raw materials in weight percentage: 40% water-based alkyd resin, 0.5% water-based drier, 1% titanium dioxide, 20% molybdenum chrome red, 15% barium sulfate, 2 % propylene glycol butyl ether, 0.1% dimethylethanolamine, 0.2% defoamer (Tego-902w), 0.4% leveling agent (PW-336), 0.3% substrate wetting agent, 20% Deionized water, 0.5% thickener.
Embodiment 2
[0042] Water-based construction machinery decorative finish paint, including the following raw materials in weight percentage: 50% water-based alkyd resin, 0.3% water-based drier, 1% titanium dioxide, 10% molybdenum chrome red, 10% barium sulfate, 1 % environmentally friendly solvent, 0.2% dimethylethanolamine, 0.5% defoamer (Tego-902w), 0.6% leveling agent (PW-336), 0.4% substrate wetting agent, 25% defoamer Ionized water, 1% thickener.
Embodiment 3
[0044] Water-based construction machinery decorative finish paint, including the following raw materials in weight percentage: 59% water-based alkyd resin, 0.5% water-based drier, 2% titanium dioxide, 10% molybdenum chrome red, 6% barium sulfate, 1 % propylene glycol butyl ether, 0.1% dimethylethanolamine, 0.2% defoamer (Tego-902w), 0.4% leveling agent (PW-336), 0.3% substrate wetting agent (Tego-245 ), 20% deionized water, 0.5% thickener.
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Abstract
The invention relates to a water-based engineering machinery decoration finishing coat and a preparation method thereof, belongs to the technical field of coatings, and concretely relates to a water-based crane decoration finishing coat and a preparation method thereof. The finishing coat comprises, by weight, 40-60% of waterborne alkyd resin, 0.3-1.0% of an aqueous drier, 1-5% of titanium dioxide, 10-20% of molybdate red, 6-15% of barium sulfate, 1-2% of an environmentally friendly solvent, 0.1-0.2% of a neutralizer, 0.2-0.5% of a defoamer, 0.4-0.6% of a leveling agent, 0.3-0.5% of a substrate wetting agent, 20-40% of deionized water and 0.5-1.0% of a thickener. The finishing coat has a VOC content of 100 g / L or less, and has a very low smell and a good environmental protection performance; and the finishing coat can be fast hard on a paint film, and the hardness of the finishing coat after 1 h surface drying can reach HB.
Description
technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a water-based engineering machinery decorative finish paint and a preparation method thereof. Background technique [0002] In recent years, construction machinery manufacturing countries have steadily increased their investment in infrastructure construction, which has also driven the development of construction machinery coatings. Now cranes are still painted with paint, and because the crane workpieces are large and not uniform in shape, the on-site painting is done in the open air, which belongs to fugitive emissions and causes a lot of air pollution. With the strengthening of national environmental protection, the application of paint on cranes has become a key area of VOCs emissions. It is imminent to introduce high-performance and environmentally friendly coatings for cranes that meet the needs of environmental protection. At present, most construction mach...
Claims
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Application Information
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