Wool felt-resistant two-component water-based paint and preparation method thereof
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A water-based coating, two-component technology, used in polyurea/polyurethane coatings, coatings, etc., can solve the problems of high price and application limitations of high-performance products, achieve superior performance, simplify construction methods, and reduce system gloss.
Inactive Publication Date: 2020-12-15
卡秀万辉(无锡)高新材料有限公司
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Abstract
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Problems solved by technology
Two-component water-based polyurethane coatings have been used in plastics and other fields, but due to the relatively high price of high-performance products, their application in consumer electronics, 3C and other plastic fields is limited to a certain extent.
Method used
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Embodiment 1
[0031] Two-component water-based paint consists of A and B components.
[0032] A and B components are composed in parts by weight as follows:
[0033] Component A
[0034]
[0035]
[0036] Component B
[0037] Bayhydur XP2655 14.3
[0038] The manufacturing method of the coating is as follows: the two-component water-based coating is prepared from component A and component B. The preparation process of component A is as follows: first add resin, then add substrate wetting agent, defoamer, dispersant, film-forming aid, deionized water and disperse evenly, add matting agent and disperse until fine If the degree is qualified, add leveling agent, deionized water, wear-resistant additive, thickener, and color paste under stirring state, and disperse evenly; discharge, component A is completed; component B is BayhydurXP2655 water-based curing agent from Bayer.
[0039] Stir and mix components A and B evenly at a weight ratio of 7:1, adjust to a suitable spray viscosity w...
Embodiment 2
[0042] Two-component water-based paint consists of A and B components.
[0043] A and B components are composed in parts by weight as follows:
[0044] Component A
[0045]
[0046]
[0047] Component B
[0048] Bayhydur XP2655 20.0
[0049] Paint preparation method: Two-component water-based paint is prepared from component A and component B. The preparation process of component A is as follows: first add resin, then add substrate wetting agent, defoamer, dispersant, film-forming aid, deionized water and disperse evenly, add matting agent and disperse until fine If the degree is qualified, add leveling agent, deionized water, wear-resistant additive, thickener, and color paste under stirring state, and disperse evenly; discharge, component A is completed; component B is Bayhydur XP2655, a water-based curing agent from Bayer.
[0050] Stir and mix components A and B evenly at a weight ratio of 7:1, adjust to a suitable spray viscosity with deionized water, and spray ...
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Abstract
The invention provides a wool felt-resistant two-component water-based paint and a preparation method thereof. The raw materials comprise component A: acrylic resin I, acrylic resin II, polyurethane resin, a base material wetting agent, an antifoaming agent, a dispersing agent, a delustering agent, a coalescing agent, a leveling agent, a wear-resistant additive, deionized water, water-based resin-free color paste and a thickener; and component B: aliphatic isocyanate. The preparation method comprises the following steps: uniformly dispersing the acrylic resin I, the acrylic resin II and the polyurethane resin, adding the base material wetting agent, the defoamer, the dispersant, the coalescing agent and the deionized water, uniformly dispersing, adding the delustering agent, dispersing until the fineness is qualified, adding the leveling agent, the deionized water, the wear-resistant aid, the thickener and the color paste, and uniformly dispersing; and discharging to obtain the component A, and uniformly mixing the component A with the component B aliphatic isocyanate to obtain the wool felt-resistant double-component water-based paint. The preparation method is simple, and the coating has excellent wear resistance, chemical resistance and the like.
Description
technical field [0001] The invention belongs to the field of water-based coatings, in particular to a wool felt-resistant two-component water-based coating and a preparation method thereof. Background technique [0002] At present, in the mobile phone, computer, home appliance, smart home and other markets, many manufacturers use traditional solvent-based coatings, including giants Apple and Microsoft; however, traditional solvent-based coatings are highly polluting, flammable, explosive, Defects such as endangering human health are increasingly not accepted by the government and the people. [0003] The emerging two-component waterborne polyurethane coating in recent years is a new type of coating product with high performance and environmental friendliness. Water-based polyurethane coatings, the main diluent is deionized water, does not contain organic solvents, harmless to the human body and the environment, non-flammable, energy-saving and environmentally friendly, the ...
Claims
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