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Fluorocarbon modified styrene-acrylic coating, and preparation method thereof

A technology of fluorocarbon modification and styrene-acrylic, which is applied in the direction of anti-corrosion coatings and coatings, and can solve the problems of high weather resistance, high chemical corrosion resistance, water resistance, scrub resistance and poor artificial aging resistance

Inactive Publication Date: 2012-07-18
JIANGSU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, styrene-acrylic building exterior wall coatings still have disadvantages such as high weather resistance, high chemical corrosion resistance, water resistance, scrub resistance and artificial aging resistance.

Method used

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  • Fluorocarbon modified styrene-acrylic coating, and preparation method thereof
  • Fluorocarbon modified styrene-acrylic coating, and preparation method thereof
  • Fluorocarbon modified styrene-acrylic coating, and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] 1. Formula according to mass percentage

[0017]

[0018] 2. Preparation method

[0019] Step 1. Add GHT-1 styrene-acrylic emulsion into a four-necked bottle, stir and heat up to 73℃, slowly add GHSF-25 fluorocarbon emulsion, and slowly add γ-aminopropyltriethoxysilane, until the addition is complete. -After aminopropyl triethoxy silane, add polyethylene glycol octyl phenyl ether, hydroxy silicone oil modified polyacrylate, polyether modified polysiloxane, and casson respectively, and the temperature is controlled at 76 ℃ to react After half an hour, the temperature was lowered and the material was discharged to obtain a fluorocarbon modified styrene-acrylic emulsion.

[0020] Step 2. Add water to the mixing tank, start the agitator, add rutile titanium dioxide and stir evenly; then add the modified fluorocarbon modified styrene-acrylic emulsion in step 1 and stir evenly, add talc powder, mica powder, and calcite respectively Stir the powder uniformly; and obtain the fluoroc...

Embodiment 2

[0026] 1. Formula according to mass percentage

[0027]

[0028]

[0029] 2. Preparation method

[0030] Step 1. Add GHT-1 styrene-acrylic emulsion into a four-necked flask, stir and heat up to 74℃, slowly add GHSF-25 fluorocarbon emulsion, and slowly add γ-aminopropyltriethoxysilane, until the addition is complete. -After aminopropyl triethoxy silane, add polyethylene glycol octyl phenyl ether, hydroxy silicone oil modified polyacrylate, polyether modified polysiloxane, and casson respectively, and the temperature is controlled at 77 ℃ for reaction After half an hour, the temperature was lowered and the material was discharged to obtain a fluorocarbon modified styrene-acrylic emulsion.

[0031] Step 2. Add water to the mixing tank, start the agitator, add rutile titanium dioxide and stir evenly; then add the modified fluorocarbon modified styrene-acrylic emulsion in step 1 and stir evenly, add talc powder, mica powder, and calcite respectively Stir the powder uniformly; and obtain...

Embodiment 3

[0037] 1. Formula according to mass percentage

[0038]

[0039] 2. Preparation method

[0040] Step 1. Add GHT-1 styrene-acrylic emulsion into a four-necked bottle, stir and heat up to 75℃, slowly add GHSF-25 fluorocarbon emulsion, and slowly add γ-aminopropyltriethoxysilane, until the addition is complete. -After aminopropyl triethoxy silane, add polyethylene glycol octyl phenyl ether, hydroxy silicone oil modified polyacrylate, polyether modified polysiloxane, and casson, and the temperature is controlled at 78 ℃ for reaction After half an hour, the temperature was lowered and the material was discharged to obtain a fluorocarbon modified styrene-acrylic emulsion.

[0041] Step 2. Add water to the mixing tank, start the agitator, add rutile titanium dioxide and stir evenly; then add the modified fluorocarbon modified styrene-acrylic emulsion in step 1 and stir evenly, add talc powder, mica powder, and calcite respectively Stir the powder uniformly; and obtain the fluorocarbon mod...

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Abstract

The invention discloses a fluorocarbon modified styrene-acrylic coating. The fluorocarbon modified styrene-acrylic coating consists of the following components in percentage by mass: 34 to 42.5 percent of GHT-1 styrene-acrylic emulsion, 5.2 to 6.5 percent of GHSF-25 fluorocarbon emulsion, 0.4 to 0.5 percent of gamma-aminopropyltriethoxysilan, 0.4 to 0.5 percent of polyethylene glycol phenyl ether, 18 to 22 percent of rutile type titanium dioxide, 8 to 10 percent of talcpowder, 8 to 10 percent of mica powder, 8 to 11 percent of calcite in powder, 0.1 to 0.15 percent of hydroxy silicone oil modified polyacrylate, 0.01 to 0.02 percent of polyether modified polysiloxane, 0.01 to 0.02 percent of kazon and the balance of water. A preparation method comprises the following steps of: modifying the styrene-acrylic emulsion by using the fluorocarbon emulsion, the gamma-aminopropyltriethoxysilan, and the polyethylene glycol phenyl ether at the temperature of between 76 and 80 DEG C, and preparing by using the modified fluorocarbon modified styrene-acrylic emulsion to obtain the fluorocarbon modified styrene-acrylic coating. The preparation process is simple, and low in investment and cost; and a product has the advantages of high weather fastness, chemical resistance, and water resistance, scrubbing resistance, and artificial aging resistance.

Description

Technical field [0001] The invention belongs to the technical field of architectural coatings, and relates to a coating, specifically, to a fluorocarbon modified styrene-acrylic coating and a preparation method thereof, and is mainly applied to the field of architectural exterior wall coatings. Background technique [0002] In recent years, the research on styrene-acrylic coatings has achieved certain results, but there are still many problems to be solved. For example, styrene-acrylic architectural exterior wall coatings still have shortcomings such as high weather resistance, high chemical resistance, water resistance, scrub resistance and relatively poor resistance to artificial aging. Using fluorocarbon emulsion modified styrene-acrylic emulsion to develop fluorocarbon modified styrene-acrylic coating can overcome the existing shortcomings and meet the requirements of technical performance indicators. Because fluorine-containing coatings have the advantages of high weather r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D127/12C09D7/12C09D5/08
Inventor 郭文录张秀荣
Owner JIANGSU UNIV OF SCI & TECH
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