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Antirust corrosion-resistant rosin phenolic resin paint and preparation method thereof

A technology of rosin phenolic resin and phenolic resin, which is applied in the field of anti-rust and anti-corrosion rosin phenolic resin paint and its preparation, can solve the problems of poor corrosion resistance and anti-rust performance, poor water resistance and impermeability of oil-based paint, etc., to achieve Improvement of anti-rust and anti-corrosion properties

Inactive Publication Date: 2021-01-19
FENGKAI HAILAN CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Water-based coatings use water as a solvent or dispersion medium. They are non-toxic, odorless, cheap, and rich in raw material resources, which can greatly reduce raw material costs and air pollution; and can greatly improve the storage, transportation and construction of coatings. Safety in the process and broad application prospects; but compared with oil-based paints, water-based paints have poorer corrosion resistance and anti-rust performance, especially in terms of water resistance and impermeability than oil-based paints

Method used

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  • Antirust corrosion-resistant rosin phenolic resin paint and preparation method thereof
  • Antirust corrosion-resistant rosin phenolic resin paint and preparation method thereof
  • Antirust corrosion-resistant rosin phenolic resin paint and preparation method thereof

Examples

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preparation example Construction

[0049] Preferably, the preparation method of the α-zirconium phosphate nanoplate modified by nitrile group comprises the following steps:

[0050] S1. Prepare a methylamine solution with a concentration of 0.2mol / L, weigh quantitative α-zirconium phosphate, disperse it in deionized water at a solid-to-liquid ratio of 100mL / g, and add the methylamine solution dropwise to the α-zirconium phosphate In the aqueous solution, wherein the molar ratio of the amount of methylamine added to the α-zirconium phosphate is 2.5:1, 300W ultrasound for 5 to 8 minutes after the decrease is completed for preliminary dispersion, and the precipitate is filtered out, and deionized water and N, N - washing with dimethylformamide to obtain product A;

[0051] S2. Disperse the product A in N,N-dimethylformamide at a solid-to-liquid ratio of 50 mL / g, and add dicyandiamide, the amount of which is 4.8% of the mass of α-zirconium phosphate, The temperature of the solution was raised to 80°C, and the reac...

Embodiment 1

[0069] A kind of anti-rust anti-corrosion rosin phenolic resin paint, has the component composition of following weight:

[0070]

[0071] Wherein, the anti-corrosion filler is α-zirconium phosphate nanosheets modified by cyanoguanidine;

[0072] Described epoxy resin is glycidyl ether epoxy resin;

[0073] The nonionic emulsifier is an APEO type nonionic emulsifier; the reactive emulsifier is 1-allyloxy-3-(4-nonylphenol)-2-propanol polyoxyethylene (10) ammonium ether sulfate;

[0074] Described initiator is ammonium persulfate or potassium persulfate;

[0075] The anti-flash rust agent is organic zinc chelate or nitrite;

[0076] Described auxiliary agent is dispersant, defoamer and leveling agent;

[0077] The preparation method of the α-zirconium phosphate nanosheet modified by the nitrile group comprises the following steps:

[0078] S1. Prepare a methylamine solution with a concentration of 0.2mol / L, weigh quantitative α-zirconium phosphate, disperse it in deioniz...

Embodiment 2

[0086] A kind of anti-rust anti-corrosion rosin phenolic resin paint, has the component composition of following weight:

[0087]

[0088]

[0089] Wherein, the anti-corrosion filler is α-zirconium phosphate nanosheets modified by cyanoguanidine;

[0090] Described epoxy resin is glycidyl ether epoxy resin;

[0091] The nonionic emulsifier is an APEO type nonionic emulsifier; the reactive emulsifier is 1-allyloxy-3-(4-nonylphenol)-2-propanol polyoxyethylene (10) ammonium ether sulfate;

[0092] Described initiator is ammonium persulfate or potassium persulfate;

[0093] The anti-flash rust agent is organic zinc chelate or nitrite;

[0094] Described auxiliary agent is dispersant, defoamer and leveling agent;

[0095] The preparation method of the α-zirconium phosphate nanosheet modified by the nitrile group comprises the following steps:

[0096] S1. Prepare a methylamine solution with a concentration of 0.2mol / L, weigh quantitative α-zirconium phosphate, disperse i...

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PUM

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Abstract

The invention provides antirust and corrosion-resistant rosin phenolic resin paint. The antirust and corrosion-resistant rosin phenolic resin paint is prepared from the following components in parts by weight: 25 to 30 parts of rosin modified phenolic resin; 20 to 25 parts of n-decyl acrylate and / or n-decyl methacrylate; 10 to 20 parts of methyl acrylate and / or methyl methacrylate; 0.4-2 part of glycidyl methacrylate; 1-5 parts of epoxy resin; 6-12 parts of a styrene-acrylic emulsion; 1-4 parts of an anti-flash rust agent; 0.2-0.6 part of tetrazole; 5-15 parts of glass flakes; 8-12 parts of anticorrosive filler, wherein the anticorrosive filler is a nitrile guanidine modified alpha-zirconium phosphate nanosheet; according to the invention, the rosin modified phenolic resin is matched withthe acrylic resin, so that the coating integrates the excellent properties of the two resins, the gloss and color retention and weather resistance of the paint layer are improved, and the nitrile guanidine modified alpha-zirconium phosphate nanosheet is used as the anticorrosive filler, thereby enhancing the rust resistance and corrosion resistance of the coating.

Description

technical field [0001] The invention relates to the technical field of antirust and anticorrosion coatings and preparation thereof, in particular to an antirust and anticorrosion rosin phenolic resin paint and a preparation method thereof. Background technique [0002] Anti-rust and anti-corrosion coatings are an important part of the equipment manufacturing industry and an indispensable anti-corrosion protective layer for metal products, especially steel products. Traditional solvent-based antirust coatings mainly use organic solvents as the dispersion medium. Therefore, a large amount of organic compounds, namely Volatile Organic Composition (VOC for short), will volatilize in the process of preparation and use. The volatilization of VOC is a potential threat to the living environment and human health. Therefore, researchers gradually shift the focus of research from oil-based paints to water-based paints. [0003] Water-based coatings use water as a solvent or dispersi...

Claims

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Application Information

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IPC IPC(8): C09D4/02C09D4/06C09D5/08C09D7/62C09D7/61
CPCC09D4/06C09D5/08C09D7/61C09D7/62C09D7/70
Inventor 姚以健邓明泉黎月清蓝志明
Owner FENGKAI HAILAN CHEM CO LTD
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