Environmentally-friendly water-based rusty antirust coating

A rust-proof, environmentally friendly technology, applied in anti-corrosion coatings, coatings, etc., can solve problems such as poor anti-rust performance, and achieve the effects of reducing capillary action, improving anti-corrosion performance, and increasing density

Inactive Publication Date: 2018-09-28
常州五荣化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem mainly solved by the present invention is: aiming at the problem of poor anti-rust performance of traditional anti-rust coatings, an environment-friendly water-based anti-rust coating with rust is provided

Method used

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  • Environmentally-friendly water-based rusty antirust coating

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0019] Add polyvinyl alcohol and water into a single-necked flask at a mass ratio of 1:80, stir and mix with a glass rod for 30 minutes, let it stand for swelling for 4 hours, and then move the single-necked flask into a magnetic stirrer with a digital speed measurement and constant temperature at a temperature of 95°C and a speed of Under the condition of 500r / min, heat and stir to dissolve for 50min to obtain polyvinyl alcohol liquid; mix 3-chloro-2 hydroxypropyltrimethylammonium chloride with 20% sodium hydroxide solution in a mass ratio of 1: 1 Place in No. 1 beaker, stir and mix for 60 minutes at a speed of 500r / min to obtain a mixed solution; put xanthate starch and water in a No. 2 beaker at a speed of 500r / min Under the condition of stirring / min, stir and mix for 50min, and then dropwise add a sodium hydroxide solution with a mass fraction of 20% to the No. Add a mixed solution of 0.5 times the mass of xanthate starch, stir and react for 2 hours, then add hydrochloric ...

example 2

[0021]Add polyvinyl alcohol and water into a single-necked flask at a mass ratio of 1:80, stir and mix with a glass rod for 30 minutes, let it stand for swelling for 4 hours, and then move the single-necked flask into a magnetic stirrer with a digital speed measurement and constant temperature at a temperature of 95°C and a speed of Under the condition of 500r / min, heat and stir to dissolve for 50min to obtain polyvinyl alcohol liquid; mix 3-chloro-2 hydroxypropyltrimethylammonium chloride with 20% sodium hydroxide solution in a mass ratio of 1: 1. Place in No. 1 beaker, stir and mix for 60 minutes under the condition of rotating speed of 500r / min to obtain a mixed solution; put diatomaceous earth and tetrabutyl titanate in No. 3 beaker at a mass ratio of 1:40, and Place the No. 3 beaker in an ultrasonic disperser, and under the condition of ultrasonic frequency of 65kHz, mix and ultrasonically soak for 60 minutes to obtain a dispersion, and then filter the dispersion to obtain...

example 3

[0023] Add polyvinyl alcohol and water into a single-necked flask at a mass ratio of 1:80, stir and mix with a glass rod for 30 minutes, let it stand for swelling for 4 hours, and then move the single-necked flask into a magnetic stirrer with a digital speed measurement and constant temperature at a temperature of 95°C and a speed of Under the condition of 500r / min, heat and stir to dissolve for 50min to obtain polyvinyl alcohol liquid; mix 3-chloro-2 hydroxypropyltrimethylammonium chloride with 20% sodium hydroxide solution in a mass ratio of 1: 1 Place in No. 1 beaker, stir and mix for 60 minutes at a speed of 500r / min to obtain a mixed solution; put xanthate starch and water in a No. 2 beaker at a speed of 500r / min Under the condition of stirring / min, stir and mix for 50min, and then dropwise add a sodium hydroxide solution with a mass fraction of 20% to the No. Add a mixed solution of 0.5 times the mass of xanthate starch, stir and react for 2 hours, then add hydrochloric ...

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Abstract

The invention discloses an environmentally-friendly water-based rusty antirust coating, and belongs to the technical field of surface protection of metal products. The coating is prepared by the following steps: sequentially taking 20-30 parts by weight of a styrene-acrylic emulsion, 8-10 parts by weight of a polyvinyl alcohol liquid, 8-10 parts by weight of organic silicon resin, 8-10 parts by weight of modified starch, 8-10 parts by weight of calcium phosphite, 8-10 parts by weight of bamboo vinegar, 3-5 parts by weight of a defoaming agent, 3-5 parts by weight of a surfactant, 3-5 parts byweight of a thickening agent, 10-20 parts by weight of modified diatomaceous earth and 80-100 parts by weight of deionized water, putting the modified starch, the calcium phosphite, the bamboo vinegar, the defoaming agent, the surfactant, the thickening agent, the modified diatomaceous earth and the deionized water into a ball mill, performing ball milling mixing for 30-50 min, then adding the styrene-acrylic emulsion and the organic silicon resin into the ball mill, performing ball milling mixing for 40-60 min, and performing sieving by using a 80-mesh sieve to obtain the environmentally-friendly water-based rusty antirust coating. The environmentally-friendly water-based rusty antirust coating provided by the invention has good antirust performance.

Description

technical field [0001] The invention discloses an environment-friendly water-based anti-rust paint with rust, which belongs to the technical field of metal product surface protection. Background technique [0002] The anti-rust pigments used in traditional paints are mostly pigments containing chromium, lead, and cadmium, such as red lead, lead powder, and chromates of zinc, barium, and lead. The coatings prepared from these pigments have good corrosion resistance and are effective antirust pigments. However, these pigments are toxic in themselves, will pollute the environment and endanger health during production and use, and their use has been strictly restricted. Therefore, the development of non-toxic, low-toxic, anti-corrosion anti-rust pigments and coatings has become a top priority. Low-toxic anti-rust pigments such as zinc phosphate, aluminum phosphate, zinc molybdate, and calcium borate have been developed, but they are formulated with these pigments. The coating,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D5/08C09D7/61C09D7/62C09D7/63C09D7/65C08B31/02
CPCC08B31/02C08L2205/035C09D5/08C09D7/61C09D7/62C09D7/63C09D7/65C09D7/70C09D125/14C08L29/04C08L83/08C08L83/04C08L3/06C08K9/04C08K9/08C08K7/26C08K3/32C08K5/09
Inventor 林正脉朱冬梅
Owner 常州五荣化工有限公司
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