Method for preparing high performance water proof anti-corrosive paint

A waterproof and anti-corrosion coating, high-performance technology, applied in anti-corrosion coatings, anti-fouling/underwater coatings, rosin coatings, etc., can solve problems such as harm to human health, high engineering costs, environmental pollution, etc., to reduce white pollution and comprehensive costs. Low, low effect of process conditions

Inactive Publication Date: 2009-06-10
张家港市创成纺织有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some existing coatings, such as polyvinyl chloride (PVC) elastic waterproof coatings, waterproof coatings with coal tar and asphalt, waterproof coatings using neoprene, 851 tar polyurethane, etc., have high engine

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0007] 1Kg waste polystyrene foam is used as the base material, the base material is broken into small pieces and placed in a jacketed reactor with a stirrer, and then 120g of rosin, 580g of ethyl acetate, 350g of toluene, and 550g of solvent are added in sequence. , Toluene diisocyanate 40g, heat to 55 degrees Celsius, react for 4h, until the foam is fully dissolved, then add 300g of waste regenerated rubber to blend until it forms a thin paste, draw out the filaments, and filter. The product is tested according to the standards JC / T674-1997 and JC500-92, and the drying time is 2 hours for surface drying, no sticky hands, 10 hours for hard work, no stickiness; when the temperature is 80 degrees Celsius and the time is 2 hours, the heat resistance test results , The product has no flow, no blistering, no sliding; the elongation at break is 243%; the sample has no water seepage when tested under the conditions of 0.1MPa and 30min; and the bonding strength is 0.37MPa.

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PUM

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Abstract

The present invention discloses a method for preparing high performance water-proofing and anti-corrosion paint. The components of the water-proofing and anti-corrosion paint take waste polystyrene plastic foams as a basal material. The water-proofing and anti-corrosion paint also comprises rubber, colophony, ethyl acetate, toluene, solvent and toluene di-isocyanate. According to weight portion mixture ratio, the basal material is weighted by 100 weight portion, and other components by weight portion of the water-proofing and anti-corrosion paint are: 30 to 60 weight portions of rubber, 10 to 20 weight portions of colophony, 30 to 60 weight portions of ethyl acetate, 30 to 60 weight portions of toluene, 50 to 70 weight portions of solvent and 1 to 5 weight portions of toluene toluene di-isocyanate. The preparing method comprises the following steps: firstly, placing fragments of the waste polystyrene plastic foams used as the basal material in a reactor; secondly, adding the colophony, the ethyl acetate, the toluene, the solvent and the toluene toluene di-isocyanate according to the mixture ratio, heating and dissolving the form plastics to be foamless; and finally, adding the rubber, mixing the components to be pasty, pulling out filaments and filtering. The paint prepared by the method has the advantages of high dispersity and penetrability, good weather resistance, acid, base and high temperature resistance, low preservation requirement, stable performance, simple preparing process, low process condition and low integrated cost. In addition, the method uses the waste polystyrene plastic foams as the basal material, thereby making waste into valuable and reducing the white pollution.

Description

technical field [0001] The invention relates to a preparation method of a high-performance waterproof and anti-corrosion paint mainly using waste polystyrene foam as a base material. Background technique [0002] Leakage and waterproofing of buildings has always been a major problem in the construction industry. Some existing coatings, such as polyvinyl chloride (PVC) elastic waterproof coatings, waterproof coatings with coal tar and asphalt, waterproof coatings using neoprene, 851 tar polyurethane, etc., have high engineering costs and high costs. , complex process, pollute the environment, endanger human health and other issues. In addition, there is a large amount of waste polystyrene foam that seriously pollutes the environment. CN1107869A patent application discloses a colorful elastic waterproof coating, which is based on vinyl acetate-ethylene copolymer emulsion and added with alkaline regulator, modifier, composite dispersant, filling material, colorant, stabilizer...

Claims

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Application Information

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IPC IPC(8): C09D125/06C09D5/08C09D5/16C09D121/00C09D193/04
Inventor 陈宗达
Owner 张家港市创成纺织有限公司
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