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Waterborne FEVE (chlorotrifluoroethylene copolymer) fluorocarbon coating and preparation method thereof

A technology of fluorocarbon coatings and coatings, applied in the direction of coatings, etc., can solve problems such as sterilization and anticorrosion not mentioned, and achieve the effects of shortening production time, simple construction, and eliminating air bubbles

Active Publication Date: 2014-06-18
RUYUAN YAO AUTONOMOUS COUNTY DONGYANGGUANG FORMED FOIL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent CN 101993235A discloses a nano-titanium dioxide water-based inorganic photocatalytic coating and its preparation method, using nano-titanium dioxide to photocatalyze the degradation of organic matter such as formaldehyde to purify the air, but does not mention its antiseptic effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] 1) Add 115g of water to the feed tank of the disperser, add 1g of ammonia water with a mass concentration of 20% to adjust the pH value to 9, add 1g of 250HBR under stirring at 300 rpm and disperse until completely dissolved to obtain a colorless transparent thick solution ;

[0046] 2) Add 4g PE-100, 7g5040, 1g NXZ, 300g titanium dioxide, 80g calcium carbonate, 5g anatase-type modified nano-titanium dioxide and mix with the solution obtained in step 1) under the stirring condition of 500 rpm, and finish adding at 1500 rpm Stir at a speed of 1 / min for 60 minutes, then reduce the stirring speed to 300 rpm, disperse stably for 15 minutes until the fineness is ≤40 μm, and obtain a white slurry;

[0047] 3) Add 25g propylene glycol, 190g SE-310, 260g SHE-400 to the white slurry obtained in step 2) under the stirring condition of 600 rpm, and stir for 20 minutes until the mixture is uniform; then reduce the stirring speed to 200 rpm And stably dispersed for 10 minutes to ob...

Embodiment 2

[0050] 1) Add 225g of water to the feed tank of the disperser, add 2g of sodium hydroxide aqueous solution with a mass concentration of 8% to adjust the pH value to 10, add 2g of QP30000 under stirring at 300 rpm and disperse until completely dissolved to obtain a colorless transparent thick solution;

[0051] 2) Add 5g X-405, 6g740W, 1g NXZ, 150g titanium dioxide, 50g mica powder, 5g anatase pure nano-titanium dioxide and mix with the solution obtained in step 1) under the stirring condition of 800 rpm. Stir at a speed of 60 minutes, then reduce the stirring speed to 300 rpm, and disperse stably for 20 minutes until the fineness is ≤40 μm to obtain a white slurry;

[0052] 3) Add 30g C-12, 300g SE-700, and 210g SHE-400 to the white slurry obtained in step 2) under the stirring condition of 500 rpm, and stir for 20 minutes until the mixture is uniform; then reduce the stirring speed to 200 rpm / minute and stably dispersed for 15 minutes to obtain latex paint;

[0053] 4) Sl...

Embodiment 3

[0055] 1) Add 165g of water to the feed tank of the disperser, add 1.5g of AMP-95 to adjust the pH value to 9, add 1g of 250HBR under the condition of stirring at 200 rpm and disperse until completely dissolved to obtain a colorless transparent thick solution;

[0056] 2) Add 5g CO-630, 8g FN40, 0.5g825, 200g titanium dioxide, 10g carbon black, 50g wollastonite, 5g anatase modified nano-titanium dioxide and mix with the solution obtained in step 1) under the stirring condition of 500 rpm After the addition, stir at a speed of 2000 rpm for 90 minutes, then reduce the stirring speed to 300 rpm, and disperse stably for 15 minutes until the fineness is ≤40 μm to obtain a gray slurry;

[0057] 3) Add 25g of propylene glycol, 240g of SE-310, and 280g of SHE-400 to the gray slurry obtained in step 2) under the stirring condition of 300 rpm, and stir for 30 minutes until the mixture is uniform to obtain a latex paint;

[0058] 4) Slowly add 6g of P812 and 3g of HX3140 to the latex pai...

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Abstract

The invention relates to a waterborne FEVE (chlorotrifluoroethylene copolymer) fluorocarbon coating and a preparation method thereof. The coating is prepared from the following raw materials in percentage by mass: 0.05-0.20% of alkaline pH value regulator, 0.05-0.20% of hydroxyl cellulose, 0.10-0.50% of wetting agent, 0.20-1.00% of dispersing agent, 0.05-0.20% of defoaming agent, 1.00-30.00% of pigment, 0.00-30.00% of filler, 0.10-1.00% of nanometer anatase titanium dioxide, 1.00-3.00% of film-forming additive, 0.20-1.00% of thickening agent, 0.00-1.00% of flatting agent, 45-65% of FEVE fluorocarbon resin emulsion and the balance of water. The preparation method comprises the steps of: color paste preparation, paint mixing and the like. The production time is shortened, and air bubbles in the coating are effectively eliminated by combining the effects of machines and auxiliaries. The coating prepared by the invention is a waterborne single-component normal-temperature cured fluorocarbon coating, has excellent weather resistance, pollution resistance, acid rain resistance and mildew resistance, and has the characteristics of environment friendliness, safety, no toxicity and the like.

Description

technical field [0001] The invention relates to a high-performance environment-friendly architectural coating, in particular to a water-based FEVE fluorocarbon coating and a preparation method thereof. Background technique [0002] With the increasingly stringent requirements of the society for energy conservation and environmental protection, coating products show a development trend of high performance, zero volatile organic compounds (VOC), and zero pollution. [0003] Fluorocarbon coating is a coating made of fluorocarbon resin as a film-forming substance. Due to the F-C bond in the fluororesin macromolecular chain (the bond energy is as high as 480kJ / mol, the fluorine atoms tend to be arranged on the surface, which effectively protects the chemical bonds and reduces the surface tension of the resin film). The existence of fluororesin makes the fluororesin coating formulated with fluororesin base material have many excellent properties, such as super weather aging resist...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/12C09D7/12
Inventor 李义涛张凌飞王言伦汤诚张兵兵陆翠方
Owner RUYUAN YAO AUTONOMOUS COUNTY DONGYANGGUANG FORMED FOIL CO LTD
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