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High solid labour-saving paint

A high-solids, coating technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of not having high solids, not carrying rust and damp construction, etc., to shorten the construction period, reduce costs, and reduce requirements. Effect

Inactive Publication Date: 2012-07-25
DALIAN UNIV OF TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such as CN101629045, CN101575477, CN101386767 and other high-solid coatings are respectively used for metal pipes, floors, containers, etc., and this type of coating focuses on high solid content and VOC emission reduction, and cannot be used for construction with rust and damp; while CN101298536, CN101016423, CN1821331, etc., are only biased towards rusty coatings with low surface treatment, and do not have the characteristics of high solid content

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Preparation of Coating Composition I

[0045] Base material A: first add 250g of bisphenol A modified epoxy resin into the container, and then add 10g of wetting agent, 10g of dispersing agent, 10g of leveling agent, 10g of defoaming agent, and 10g of anti-settling agent (respectively Qian 904, soybean lecithin, Deqian 202P, Deqian 435, Dow Corning DC62) 50g coating additive mixture, then add the toughening agent made up of 25g phthalate, 25g adipate, stir and disperse Uniform; Add the pigment and filler mixture consisting of 90g of quartz powder, 90g of talc powder, 90g of titanium dioxide, 90g of alumina powder, 90g of superfine zinc powder, 75g of phosphorus titanium powder, and 75g of phosphorus, iron, zinc and silicon powder to the above mixture. Anti-rust agent: After uniform dispersion, grind to a fineness of 50 μm with a sand mill, and finally add a mixed solvent composed of 25 g of crude toluene and 25 g of n-butanol, adjust the viscosity to 100-110 KU, and fil...

Embodiment 2

[0048] Preparation of Coating Composition II

[0049] Base material A: first add 300g of bisphenol A modified epoxy resin into the container, then add 10g of wetting agent, 10g of dispersant, 10g of leveling agent, 10g of defoamer, and 10g of anti-settling agent (respectively Qian 904, soybean lecithin, Deqian 202P, Deqian 435, Dow Corning DC62) 50g coating additive mixture, then add the toughening agent made up of 25g phthalate, 25g adipate, stir and disperse Uniform; Add the pigment and filler mixture consisting of 80g of quartz powder, 80g of talc powder, 80g of titanium dioxide, 80g of alumina powder, 80g of superfine zinc powder, 75g of phosphorus titanium powder, and 75g of phosphorus, iron, zinc and silicon powder to the above mixture. Anti-rust agent: After uniform dispersion, grind to a fineness of 50 μm with a sand mill, and finally add a mixed solvent composed of 25 g of crude toluene and 25 g of n-butanol, adjust the viscosity to 100-110 KU, and filter to obtain th...

Embodiment 3

[0052] Preparation of Coating Composition III

[0053] Base material A: first add 300g of bisphenol A modified epoxy resin into the container, then add 10g of wetting agent, 10g of dispersant, 10g of leveling agent, 10g of defoamer, and 10g of anti-settling agent (respectively Qian 904, soybean lecithin, Deqian 202P, Deqian 435, Dow Corning DC62) 50g coating additive mixture, then add the toughening agent made up of 25g phthalate, 25g adipate, stir and disperse Uniform; Add the filler mixture consisting of 90g of quartz powder, 90g of talc powder, 90g of titanium dioxide, 90g of alumina powder, 90g of superfine zinc powder, 50g of phosphorus titanium powder, and 50g of phosphorus, iron, zinc and silicon powder into the above mixture. Rust agent: After uniform dispersion, grind to a fineness of 50 μm with a sand mill, and finally add a mixed solvent consisting of 25 g of crude toluene and 25 g of n-butanol, adjust the viscosity to 100-110 KU, and filter to obtain the finished b...

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Abstract

The invention relates to high solid labour-saving paint which can reduce VOC (volatile organic compound) discharge and has solid volume content of being 80%, belonging to the technical field of paint. The paint is composed of base material A and curing material B, wherein the curing material B contains a curing agent, a reactive diluent and a non-ionic surfactant. The paint provided by the invention can realize the solid volume content of being higher than 80%, VOC can be effectively reduced, and green and environmental development direction of the paint industry can be met. The paint disclosed by the invention realizes construction 'with rust and moisture' in heavy-duty corrosion protection of steel, and influence of the environment to the construction can be eliminated to the utmost extent.

Description

technical field [0001] The invention relates to a high-solid labor-saving paint with a solid volume content of up to 80% for reducing VOC emissions, and belongs to the technical field of paint. Background technique [0002] Generally speaking, heavy-duty coating formulations contain a large amount of organic solvents, aromatic hydrocarbons, alcohols, alcohol ethers, etc., accounting for 40% or more of the coating formulation. During the drying process of paint, these organic solvents volatilize into the air, causing serious pollution to the environment. According to the data provided by the China Coatings Industry Association, the VOC (volatile organic compounds) in the coatings industry in 2009 was 2.956 million tons, and in 2010 it was 4.325 million tons. to great harm. Western developed countries have already legislated to limit the emission of VOC in coatings, and our country is starting to further strengthen the restriction on VOC emission. More and more domestic ent...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/08C09D7/12
Inventor 彭孝军石恒有刘捷樊江莉朱振恒高雄伟
Owner DALIAN UNIV OF TECH
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