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A kind of manufacture method of cationic water-based chlorine partial metal anti-corrosion coating

An anti-corrosion coating, cationic technology, applied in anti-corrosion coatings, coatings, etc., can solve problems such as poor mechanical stability, achieve reliable anti-corrosion performance, good ion tolerance, reliable and stable quality

Active Publication Date: 2015-08-26
JIANGSU RONGCHANG NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the water-based resins that have been studied more mainly include water-based acrylate resins, water-based epoxy resins, water-based polyurethane resins, water-based fluorocarbon resins, water-based inorganic silicate resins, and water-based chlorine partial resins. Alkaline, superior water resistance and moisture resistance, will be more and more valued, but the existing chlorine partial coatings are mostly stabilized by adding a large amount of anionic emulsifiers to stabilize the latex of chlorine partial polymers, and mechanical Poor stability, adverse reactions with anti-rust pigments during the manufacturing and storage process, and the polymerization technology of cationic emulsifiers and active emulsifiers can solve this problem, making the quality and anti-corrosion performance of coating products more stable, and the formulation more flexible and changeable , the applicability is stronger

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Deionized water 500 Vinylidene chloride 300 Butyl methacrylate 70 Isooctyl methacrylate 100 Dimethyl azobisisobutyrate 3 Ammonium persulfate 3 Potassium dihydrogen phosphate 2 Dipotassium phosphate 2 Methacryloyloxyethyltrimethylammonium chloride 10 Fatty alcohol polyoxyethylene SE-10 10 Dispersant PE-100 20 Defoamer 901W 10 Nano Zinc Oxide 200 Nano Zinc Phosphate 100 iron yellow 100 Barium sulfate 230 Thickener LD-108A 20 Leveling agent RM-2020 20 Deionized water 300

[0012] Process: Potassium dihydrogen phosphate, dipotassium hydrogen phosphate, methacryloyloxyethyltrimethylammonium chloride, fatty alcohol polyoxyethylene SE-10, and ammonium persulfate were respectively prepared into 10% aqueous solutions for later use; Add 40g of octadecyl trimethyl ammonium bromide solution, 40g of fatty alcohol polyoxyethylene SE-10, 15g of ammonium persulfate sol...

Embodiment 2

[0014] Deionized water 500 Vinylidene chloride 350 Butyl methacrylate 70 Isooctyl methacrylate 50 Dimethyl azobisisobutyrate 3 Ammonium persulfate 3 Potassium dihydrogen phosphate 2 Dipotassium phosphate 2 Vinyl quaternary ammonium salt surfactant R-303 10 Fatty alcohol polyoxyethylene SE-10 10 Dispersant PE-100 20 Defoamer 901W 10 Nano Zinc Oxide 200 Nano Zinc Phosphate 100 iron yellow 100 Barium sulfate 230 Thickener LD-108A 20 Leveling agent RM-2020 20 Deionized water 300

[0015] Process: Potassium dihydrogen phosphate, dipotassium hydrogen phosphate, vinyl quaternary ammonium salt surfactant R-303, fatty alcohol polyoxyethylene SE-10, and ammonium persulfate were respectively prepared into 10% aqueous solutions for later use; Add 40g of octadecyltrimethylammonium bromide solution, 40g of fatty alcohol polyoxyethylene SE-10, 15g of ammonium persulfate solu...

Embodiment 3

[0017] Deionized water 550 Vinylidene chloride 280 Butyl methacrylate 60 Isooctyl methacrylate 80 Azobisisobutyronitrile 3 Ammonium persulfate 3 Potassium dihydrogen phosphate 2 Dipotassium phosphate 2 Octadecyltrimethylammonium bromide 10 Fatty alcohol polyoxyethylene SE-10 10 Dispersant PE-100 20 Defoamer 901W 10 Nano Zinc Oxide 100 Nano Zinc Phosphate 200 Iron oxide red 100 Barium sulfate 230 Thickener LD-108A 20 Leveling agent RM-2020 20 Deionized water 300

[0018] Process: Potassium dihydrogen phosphate, dipotassium hydrogen phosphate, octadecyltrimethylammonium bromide, fatty alcohol polyoxyethylene SE-10, and ammonium persulfate were respectively prepared into 10% aqueous solutions for later use; in the reaction kettle Add 40g of octadecyltrimethylammonium bromide solution, 40g of fatty alcohol polyoxyethylene SE-10, 15g of ammonium persulfate solution...

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PUM

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Abstract

The invention discloses a manufacturing method of cationic room-temperature crosslinking water-based vinylidene chloride metal anti-corrosion paint, which is characterized in that resin of the paint is cationic vinylidene chloride latex; an cationic emulsifier is polymerized with high pressure emulsions of a vinylidene chloride monomer and an acrylate monomer; an initiator is mixed by an oil-soluble initiator and a water-based initiator; the prepared vinylidene chloride latex is good in mechanical stability, and can be grinded together with a rust-resistant pigment; the cationic durability is good; cations dissociated from the rust-resistant pigment do not influence the storage stability of the water-based paint; and the anti-corrosion effect is excellent.

Description

technical field [0001] The invention relates to a method for manufacturing chlorine-biased latex, in particular to a method for manufacturing a cationic water-based chlorine-biased paint used for water-based metal anti-corrosion paints. Background technique [0002] Water-based coatings are safe and environmentally friendly, and are used to replace heavily polluted solvent-based coatings, and are widely used in many fields. In the field of metal anti-corrosion coatings, there are still many technical problems in the development and application of water-based coatings. The most critical technology lies in the development of high-performance water-based resin products. The function of the resin in the coating is to bond the pigments and fillers, and at the same time combine the substrate and the topcoat into a firm whole to prevent the erosion of anti-corrosion media. Generally speaking, the wet adhesion between the coating and the metal surface and the coating Water permeabi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F214/08C08F220/18C08F2/30C08F2/28C09D127/08C09D7/12C09D5/08
Inventor 常春周铭陈群钟涛黄顺道
Owner JIANGSU RONGCHANG NEW MATERIAL TECH
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