A kind of acrylic flexible anticorrosion primer and preparation method thereof
An acrylic flexible and anti-corrosion primer technology, applied in the field of coatings, can solve the problems such as the inability to meet the requirements of large deformation conditions, the detachment of the elastic coating, the cracking of the primer coating, etc., to ensure the feasibility of testing and good film compactness. , the effect of broad application prospects
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Embodiment 1
[0036] A kind of acrylic flexible anticorrosion primer, is prepared by following method:
[0037] Mix 50 parts of butyl acetate, 30 parts of xylene, 10 parts of mixed dibasic acid ester, and 10 parts of propylene glycol methyl ether acetate to obtain a diluent.
[0038] 45g of homemade flexible acrylic resin with a solid content greater than 45%, 0.5g of dispersant BYK161, 15g of titanium dioxide, 5g of zinc yellow, 8g of talc powder, 4g of zinc phosphate, 1.5g of mica powder, 1.5g of light calcium, 0.2g of bentonite, Add 8.5g of diluent into the mixing container and stir in sequence, then grind until the particle size is below 35μm, add 0.2g of leveling agent BYK306, 0.3g of adhesion promoter EDL-6026F, 0.3g of UV absorber Tinuvin 1130 and 10g of diluent to adjust the solid The content is more than 55% to obtain the first component.
[0039] Where: Homemade flexible acrylic
[0040]
[0041] 1) Divide xylene and benzoyl peroxide into five equal parts for subsequent use a...
Embodiment 2
[0054] Preparation of a novel acrylic flexible anti-corrosion primer:
[0055] Mix 40 parts of butyl acetate, 30 parts of xylene, 15 parts of mixed dibasic acid ester, and 15 parts of propylene glycol methyl ether acetate to obtain a diluent.
[0056] 48g of homemade flexible acrylic resin with a solid content greater than 45%, 0.6g of dispersant DA-703-50, 14g of titanium dioxide, 7g of zinc yellow, 8g of talcum powder, 5g of zinc phosphate, 1.2g of mica powder, 1.2g of light calcium, Add 0.2g of bentonite and 3.9g of diluent into the mixing container and stir in sequence, then grind until the particle size is below 35μm, add 0.2g of leveling agent LHP91, 0.3g of adhesion promoter EDL-6019B, 0.4g of ultraviolet absorber Tinuvin 5060 and dilute 10g of the agent is used to adjust the solid content to be more than 55% to obtain the first component.
[0057] Where: Homemade flexible acrylic
[0058]
[0059] 1) Divide xylene and benzoyl peroxide into five equal parts for sub...
Embodiment 3
[0072] Preparation of a novel acrylic flexible anti-corrosion primer:
[0073] Mix 45 parts of butyl acetate, 35 parts of xylene, 10 parts of mixed dibasic acid ester, and 10 parts of propylene glycol methyl ether acetate to obtain a diluent.
[0074] 50g self-made flexible acrylic resin with a solid content greater than 45%, 0.8g dispersant BYK110, 13g titanium dioxide, 7g zinc yellow, 7g talcum powder, 5g zinc phosphate, 2g mica powder, 2g light calcium, 0.3g bentonite, diluent Add 1.8g into the mixing container and stir in turn, then grind until the particle size is below 35μm, add 0.3g of leveling agent BYK300, 0.4g of adhesion promoter EDL-6019B, 0.4g of ultraviolet absorber Tinuvin 5060 and 10g of diluent to adjust the solid content to More than 55% get A component.
[0075] Where: Homemade flexible acrylic
[0076]
[0077] 1) Divide xylene and benzoyl peroxide into five equal parts for subsequent use according to the specified amount in the formula;
[0078] 2) A...
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