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Aqueous anticorrosive paint

A kind of anti-corrosion paint, water-based technology, applied in the direction of anti-corrosion paint, coating, etc., can solve the problems of salt spray resistance and low aging resistance, and achieve the effect of excellent environmental protection and convenient construction and cleaning

Active Publication Date: 2014-06-18
HUABAO (TIANJIN) NEW MATERIAL SCI & TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the problem of low salt spray resistance and aging resistance of the existing water-based anticorrosion paint, and provides a kind of anticorrosion paint to prolong the time of salt spray resistance and aging resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The water-based anticorrosion paint comprises the following components in parts by weight:

[0021] Water 260.0, dispersant 1.0, wetting agent 1.5, acrylic acid 30.0, defoamer 1.0, pigment 200.0, anti-rust material 100.0, filler 120.0, emulsion 200.0, film-forming aid 15.0, thickener 3.0;

[0022] Described film-forming aid is aqueous acrylic acid emulsion;

[0023] To prepare, follow these steps:

[0024] (1) First add water into the reaction kettle, add wetting agent at a stirring speed of 200 rpm, stir for 3 minutes, then add dispersant, stir for 5 minutes, then add defoamer, and stir for 20 minutes;

[0025] (2) Add pigments and fillers while stirring, and stir for 30 minutes at a positive speed of 550 rpm;

[0026] (3) Then add acrylic acid, emulsion and anti-rust material, adjust the speed to 1000 rpm, and stop stirring after 30 minutes;

[0027] (4) Pump the material into the grinder for grinding and dispersing, grind until the fineness reaches 20μm, and stop ...

Embodiment 2

[0030] The water-based anticorrosion paint comprises the following components in parts by weight:

[0031] Water 260.0, dispersant 1.0, wetting agent 1.5, acrylic acid 30.0, defoamer 1.0, pigment 200.0, anti-rust material 100.0, filler 120.0, emulsion 200.0, film-forming aid 15.0, thickener 3.0;

[0032] Described film-forming aid is aqueous epoxy emulsion;

[0033] To prepare, follow these steps:

[0034] (1) First add water into the reaction kettle, add wetting agent at a stirring speed of 300 rpm, stir for 4 minutes, then add dispersant, stir for 4 minutes, then add defoamer, and stir for 15 minutes;

[0035] (2) Add pigments and fillers while stirring, and stir for 30 minutes at a positive speed of 600 rpm;

[0036] (3) Then add acrylic acid, emulsion and anti-rust material, adjust the speed to 800 rpm, and stop stirring after 30 minutes;

[0037] (4) Pump the material into the grinder for grinding and dispersing, grind until the fineness reaches 22μm, and stop the mach...

Embodiment 3

[0040] The water-based anticorrosion paint comprises the following components in parts by weight:

[0041] Water 260.0, dispersant 1.0, wetting agent 1.5, acrylic acid 30.0, defoamer 1.0, pigment 200.0, anti-rust material 100.0, filler 120.0, emulsion 200.0, film-forming aid 15.0, thickener 3.0;

[0042] Described film-forming aid is aqueous acrylic acid emulsion;

[0043] To prepare, follow these steps:

[0044] (1) First add water into the reaction kettle, add wetting agent at a stirring speed of 250 rpm, stir for 5 minutes, then add dispersant, stir for 3 minutes, then add defoamer, and stir for 17 minutes;

[0045] (2) Add pigments and fillers while stirring, and stir for 30 minutes at a positive speed of 500 rpm;

[0046] (3) Then add acrylic acid, emulsion and anti-rust material, adjust the speed to 900 rpm, and stop stirring after 30 minutes;

[0047] (4) Pump the material into the grinder for grinding and dispersing, grind until the fineness reaches 25μm, and stop t...

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PUM

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Abstract

The invention discloses an aqueous anticorrosive paint, relates to anticorrosive paint and solves problems of weak salt spray resistance and aging resistance of an existing aqueous anticorrosive paint. The aqueous anticorrosive paint comprises the following components, by weight: 260 parts of water, 1 part of dispersant, 1.5 parts of wetting agent, 30 parts of acrylic acid, 1 part of antifoaming agent, 200 parts of pigment, 100 parts of antirust material, 120 parts of filling material, 200 parts of emulsion, 15 parts of film forming auxiliary and 3 parts of thickening agent. A preparation method comprises the steps of: first, adding water into a reaction kettle; adding wetting agent, dispersant and antifoaming agent with stirring; adding pigment and filling material with stirring; then adding acrylic acid, emulsion and antirust material; pumping the material into a grinder to carry out grinding dispersion; grinding; adding film forming auxiliary and thickening agent into a preparing kettle. The aqueous anticorrosive paint of the invention has salt spray resistance reaching 1000 h, excellent anticorrosive property, good toughness and bendability, VOC content of merely 59.4 g / L, is convenient for construction and cleaning and can be used corporately with various solvent-type paints.

Description

technical field [0001] The invention relates to anticorrosion paint, in particular to a water-based anticorrosion paint. Background technique [0002] The existing water-based anti-corrosion paints on the market have very low anti-corrosion performance, salt spray resistance is only 200-300 hours, aging resistance is only 100 hours, and its flexibility and bendability are very poor. [0003] In order to meet the needs of the market, it is urgent to develop a high anti-corrosion paint. However, technical problems such as the modification of film formers, the upgrading of pigments and fillers, and the increase or decrease of additives have always restricted the research and development of high anti-corrosion paints. Contents of the invention [0004] The invention aims to solve the problems of low salt spray resistance and aging resistance of the existing water-based anticorrosion paint, and provides an anticorrosion paint to prolong the time of salt spray resistance and agi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D4/02C09D4/06C09D7/12C09D5/08
Inventor 王爱民
Owner HUABAO (TIANJIN) NEW MATERIAL SCI & TECH DEV CO LTD
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