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Preparation method of corrosion-resistant waterborne environment-friendly coating

An environmentally friendly coating and corrosion-resistant technology, applied in anti-corrosion coatings, coatings, etc., can solve the problems of shortened service life, poor hydrolysis resistance, narrow temperature range, etc., to save preparation time, excellent acid and alkali corrosion resistance, temperature wide range of effects

Inactive Publication Date: 2018-11-13
FOSHAN ELITE INTPROP SERVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, why oil-based paints still account for the majority on the market now? This is mainly because the water-based paints prepared by the existing preparation methods have poor corrosion resistance and a very narrow applicable temperature range. The most important thing is that their hydrolysis resistance is poor. greatly shortened lifespan

Method used

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  • Preparation method of corrosion-resistant waterborne environment-friendly coating
  • Preparation method of corrosion-resistant waterborne environment-friendly coating
  • Preparation method of corrosion-resistant waterborne environment-friendly coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Corrosion-resistant water-based environmental protection paint, its raw material components in parts by mass are:

[0039]

[0040] Its preparation method is:

[0041] 2-ethyl methacrylate, vinyl silicone oil, 1,3-dioxol-2-one, vinyl acetate, styrene, sodium stearate, potassium persulfate, Polydimethylsiloxane, Portland cement, deionized water;

[0042] Add 2 / 10-3 / 10 deionized water into the container, add potassium persulfate into the container, stir until the potassium persulfate is completely dissolved, and obtain a potassium persulfate solution for later use;

[0043] Put the remaining deionized water into the reactor, heat the reactor at a rate of 3°C / min, and raise the temperature to 80°C, add 2-ethyl methacrylate, vinyl silicone oil, 1 , 3-dioxol-2-one, vinyl acetate and styrene, the stirring speed is 160r / min, stirring for 18min;

[0044] Sodium stearate was added into the reaction kettle to emulsify the monomer, the stirring speed was 380r / min, and stirri...

Embodiment 2

[0049] Corrosion-resistant water-based environmental protection paint, its raw material components in parts by mass are:

[0050]

[0051]

[0052] Its preparation method is:

[0053] 2-ethyl methacrylate, vinyl silicone oil, 1,3-dioxol-2-one, vinyl acetate, styrene, sodium stearate and lauryl Calcium benzenesulfonate, azobisisobutylamidine hydrochloride, alkyl modified organosiloxane, aluminate cement, deionized water;

[0054] Add 2 / 10-3 / 10 deionized water into the container, add azobisisobutylamidine hydrochloride into the container, and stir until the azobisisobutylamidine hydrochloride is completely dissolved to obtain azo Diisobutylamidine hydrochloride solution, standby;

[0055] Put the remaining deionized water into the reactor, heat the reactor at a rate of 4°C / min, and raise the temperature to 72°C, then add 2-ethyl methacrylate, vinyl silicone oil, 1 , 3-dioxol-2-one, vinyl acetate and styrene, the stirring speed is 220r / min, stirring for 14min;

[0056] ...

Embodiment 3

[0061] Corrosion-resistant water-based environmental protection paint, its raw material components in parts by mass are:

[0062]

[0063] Its preparation method is:

[0064] 2-Ethyl methacrylate, vinyl silicone oil, 1,3-dioxol-2-one, vinyl acetate, styrene, didodecylphenyl ether di Sodium sulfonate, ammonium persulfate and azobisisobutylcyanide, polyether polyester modified organosiloxane, Portland cement, deionized water;

[0065] Add 2 / 10-3 / 10 deionized water into the container, add ammonium persulfate and azobisisobutyrocyanide into the container, stir until the ammonium persulfate and azobisisobutyrocyanide are completely dissolved to obtain persulfate Ammonium and azobisisobutyrocyanide solution, for subsequent use;

[0066] Put the remaining deionized water into the reactor, heat the reactor at a rate of 6°C / min, and raise the temperature to 70°C, then add 2-ethyl methacrylate, vinyl silicone oil, 1 , 3-dioxol-2-one, vinyl acetate and styrene, the stirring speed i...

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Abstract

The invention discloses a preparation method of a corrosion-resistant waterborne environment-friendly coating. The preparation method includes the steps: dissolving an initiating agent in deionized water to obtain initiating agent solution for standby application; adding the rest deionized water into a reaction kettle, heating the reaction kettle, sequentially adding 2-ethyl methacrylate, vinyl silicone oil, 1, 3-dioxacyclopentene-2-ketone and acetic acid vinyl ester, and stirring mixture; adding emulsifying agent into the reaction kettle, and emulsifying a monomer; continuously and uniformlydropping the initiating agent solution into the reaction kettle; performing vacuum pumping on the reaction kettle and heat preservation reaction; adding flatting agents and inorganic salt powder intothe reaction kettle, and stirring mixture to obtain the waterborne environment-friendly coating. According to the method, water serves as a solvent, the waterborne coating is prepared, organic solvents are omitted, the applicable temperature range is wide, hydrolysis resistance is excellent, the preparation method is less in step, and manpower and material resources are saved.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a preparation method of a corrosion-resistant water-based environmental protection coating. Background technique [0002] Existing paints are mainly divided into oil-based paints and water-based paints. Since oil-based paints use organic solvents, some organic solvents are relatively toxic and have considerable harm to the environment and human health. Most of the organic solvents are It is flammable, and its safety hazard is relatively large. The water-based paint uses water as a solvent, which has very good environmental protection performance, so it has been well promoted and used. [0003] However, why oil-based paints still account for the majority on the market now? This is mainly because the water-based paints prepared by the existing preparation methods have poor corrosion resistance and a very narrow applicable temperature range. The most important thing is that their ...

Claims

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Application Information

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IPC IPC(8): C09D151/08C09D7/20C09D5/08C09D7/61C08F283/12C08F220/18C08F218/08C08F212/08
CPCC09D151/08C08F283/124C09D5/08C09D7/20C09D7/61C08F218/08C08L83/04C08K3/34C08K3/24
Inventor 陈见玲
Owner FOSHAN ELITE INTPROP SERVICE CO LTD
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