UV curing polyaniline anti-corrosive paint and preparation thereof

Abstract

The invention provides an ultraviolet curing polyaniline anticorrosive coating and a preparation method thereof. The coating adopts polyaniline as a main anticorrosive material, an oligomer, a reactive diluent, the polyaniline, a filler, a photoinitiator and an auxiliary agent are mixed according to a formula, stirred, ground, filtered, and the like, thereby obtaining the ultraviolet curing polyaniline anticorrosive coating. The prepared anticorrosive coating has good anticorrosive effect on different metals, such as steel, copper, aluminum, etc. The coating has stronger corrosion resistance property of acid, base and other media, thereby being applicable to the use in extremely harsh environmental conditions and being particularly applicable to the corrosion resistance in marine environment. The coating does not contain Pb, Cr, Zn and other heavy metals, and the formula does not contain any organic solvents. Therefore, the coating does not have the environmental pollution problem during the production and the using processes and is a completely green environment-friendly coating.

Description

technical field

[0001] The invention relates to an ultraviolet light curing polyaniline anticorrosion coating and a preparation method thereof. Background technique

[0002] With the increasing emphasis on environmental issues worldwide, the traditional coatings industry is facing enormous challenges. The clean production technology of environmentally friendly coatings is a direction that countries all over the world are striving to develop. Ultraviolet (UV) curing coating is a brand-new green environmental protection coating developed in the 1960s. It does not contain volatile organic compounds (VOC), has little environmental pollution, fast curing speed, energy saving, and good performance of cured products. , Suitable for high-speed automatic production and other outstanding advantages. It is widely used in furniture, flooring, electronics and other industries. Although UV curable coatings have been applied in many fields, there are not many application research and pr...

Examples

Embodiment 1

[0043] Weigh 89 grams of epoxy acrylate and 40 grams of hydroxyethyl acrylate respectively, put them into a laboratory sand mill tank, add 2 grams of polyaniline under stirring, and stir for 0.5 hour. After stirring, add dispersant BYK163: 0.5g, talcum powder 15g, calcium carbonate 30g, precipitated barium sulfate 15g, leveling agent BYK371: 0.5g, 2-hydroxy-2-methyl-1-phenylacetone 8 g, stirred at a speed of 2500 rpm for 3 hours, sanded for 1 hour, and filtered with a 200-mesh filter cloth.

[0044] Spray the paint on a polished, degreased, and derusted metal steel plate, level it at 60°C for 2 minutes, irradiate with 3kw ultraviolet light, and cure for 30 seconds. After the paint film is cured, measure its performance. The results are shown in Table 1.

Embodiment 2

[0046] Weigh 80 grams of epoxy acrylate and 42 grams of cyclohexyl acrylate respectively, put them into a sand mill tank, add 10 grams of polyaniline under stirring, and stir for 1 hour. After stirring, add dispersant BYK163: 1g, talcum powder 15g, calcium carbonate 30g, precipitated barium sulfate 15g, leveling agent BYK371: 1g, 2-hydroxy-2-methyl-1-phenylacetone 6 g, stirred at a speed of 2500 rpm for 0.5 hour, sanded for 5 hours, and filtered with a 200-mesh filter cloth.

[0047] Spray the paint on a polished, degreased, and derusted metal steel plate, level it at 60°C for 2 minutes, irradiate with 3kw ultraviolet light, and cure for 30 seconds. After the paint film is cured, measure its performance. The results are shown in Table 1.

Embodiment 3

[0049] Weigh 106 grams of epoxy acrylate and 50 grams of isobornyl acrylate respectively, put them into a sand mill tank, add 20 grams of polyaniline under stirring, and stir for 2 hours. Add dispersant BYK163: 3 grams, talc powder 2 grams, calcium carbonate 5 grams, precipitated barium sulfate 3 grams, leveling agent BYK371: 3 grams, 1-hydroxycyclohexyl benzophenone 8 grams, 2500 rpm Stir at a speed of 1 / min for 1 hour, sand mill for 10 hours, and filter with a 200-mesh filter cloth.

[0050] Spray the paint on the polished, degreased, and derusted metal steel plate, level it at 60°C for 2 minutes, irradiate with 3kw ultraviolet light, and cure for 30 seconds. After the paint film is cured, measure its performance. The results are shown in Table 1 .

technical field

[0001] The invention relates to an ultraviolet light curing polyaniline anticorrosion coating and a preparation method thereof. Background technique

[0002] With the increasing emphasis on environmental issues worldwide, the traditional coatings industry is facing enormous challenges. The clean production technology of environmentally friendly coatings is a direction that countries all over the world are striving to develop. Ultraviolet (UV) curing coating is a brand-new green environmental protection coating developed in the 1960s. It does not contain volatile organic compounds (VOC), has little environmental pollution, fast curing speed, energy saving, and good performance of cured products. , Suitable for high-speed automatic production and other outstanding advantages. It is widely used in furniture, flooring, electronics and other industries. Although UV curable coatings have been applied in many fields, there are not many application research and pr...

Examples

Embodiment 1

[0043] Weigh 89 grams of epoxy acrylate and 40 grams of hydroxyethyl acrylate respectively, put them into a laboratory sand mill tank, add 2 grams of polyaniline under stirring, and stir for 0.5 hour. After stirring, add dispersant BYK163: 0.5g, talcum powder 15g, calcium carbonate 30g, precipitated barium sulfate 15g, leveling agent BYK371: 0.5g, 2-hydroxy-2-methyl-1-phenylacetone 8 g, stirred at a speed of 2500 rpm for 3 hours, sanded for 1 hour, and filtered with a 200-mesh filter cloth.

[0044] Spray the paint on a polished, degreased, and derusted metal steel plate, level it at 60°C for 2 minutes, irradiate with 3kw ultraviolet light, and cure for 30 seconds. After the paint film is cured, measure its performance. The results are shown in Table 1.

Embodiment 2

[0046] Weigh 80 grams of epoxy acrylate and 42 grams of cyclohexyl acrylate respectively, put them into a sand mill tank, add 10 grams of polyaniline under stirring, and stir for 1 hour. After stirring, add dispersant BYK163: 1g, talcum powder 15g, calcium carbonate 30g, precipitated barium sulfate 15g, leveling agent BYK371: 1g, 2-hydroxy-2-methyl-1-phenylacetone 6 g, stirred at a speed of 2500 rpm for 0.5 hour, sanded for 5 hours, and filtered with a 200-mesh filter cloth.

[0047] Spray the paint on a polished, degreased, and derusted metal steel plate, level it at 60°C for 2 minutes, irradiate with 3kw ultraviolet light, and cure for 30 seconds. After the paint film is cured, measure its performance. The results are shown in Table 1.

Embodiment 3

[0049] Weigh 106 grams of epoxy acrylate and 50 grams of isobornyl acrylate respectively, put them into a sand mill tank, add 20 grams of polyaniline under stirring, and stir for 2 hours. Add dispersant BYK163: 3 grams, talc powder 2 grams, calcium carbonate 5 grams, precipitated barium sulfate 3 grams, leveling agent BYK371: 3 grams, 1-hydroxycyclohexyl benzophenone 8 grams, 2500 rpm Stir at a speed of 1 / min for 1 hour, sand mill for 10 hours, and filter with a 200-mesh filter cloth.

[0050] Spray the paint on the polished, degreased, and derusted metal steel plate, level it at 60°C for 2 minutes, irradiate with 3kw ultraviolet light, and cure for 30 seconds. After the paint film is cured, measure its performance. The results are shown in Table 1 .

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