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Aqueous modified acrylic emulsion as well as preparation method and application thereof

A technology of acrylic emulsion and water-based fluorine, applied in the field of emulsion, can solve the problem of high VOC content, and achieve the effect of excellent solvent resistance and excellent impact performance

Inactive Publication Date: 2019-12-31
淄博广栋化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, oil-based polyester paints are mostly used in coil coatings, which have high VOC content. It is urgent to develop a water-based paint that meets environmental protection requirements and has performance comparable to oil-based paints.

Method used

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  • Aqueous modified acrylic emulsion as well as preparation method and application thereof
  • Aqueous modified acrylic emulsion as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A fluorine-modified acrylic emulsion, by mass percentage, water 56%, alkylphenol polyoxyethylene ether sodium sulfate 1.3%, hexafluorobutyl acrylate 3.5%, butyl acrylate 13%, methyl methacrylate 11% , styrene 6%, β-acryloyloxypropionic acid 0.3%, acrylic acid 0.4%, hydroxyethyl acrylate 2%, C 10 Vinyl tertiary carbonate 1.5%, acrylamide 0.48%, diacetone acrylamide (DAAM) 2.15%, adipate dihydrazide (ADH) 1.1%, persulfate 0.27%, organic amine AMP-95 1%.

[0026] Prepare as follows:

[0027] (1) Take 1 / 2 of water and 1 / 4 of sodium alkylphenol polyoxyethylene ether sulfate into the reaction kettle, start heating and stirring.

[0028] (2) Preparation of emulsion: Take the remaining water and emulsifier and add them to the emulsification tank, start stirring, and then add hexafluorobutyl acrylate, butyl acrylate, methyl methacrylate, styrene, β-acryloyl Oxypropionic Acid, Acrylic Acid, Hydroxyethyl Acrylate, C 10 Vinyl tert-carbonate, acrylamide, diacetone acrylamide and ...

Embodiment 2

[0033] Fluorine-modified acrylic emulsion, by mass percentage, water 56%, alkylphenol polyoxyethylene ether sodium sulfate 1.3%, hexafluorobutyl acrylate 3.5%, butyl acrylate 13%, methyl methacrylate 11%, benzene Ethylene 6%, β-acryloxy propionic acid 0.25%, acrylic acid 0.45%, hydroxyethyl acrylate 2%, C 10 Vinyl tertiary carbonate 1.5%, acrylamide 0.48%, diacetone acrylamide (DAAM) 2.15%, adipate dihydrazide (ADH) 1.1%, persulfate 0.27%, organic amine AMP-95 1%.

[0034] Prepare as follows:

[0035] (1) Take 1 / 2 of water and 1 / 4 of sodium alkylphenol polyoxyethylene ether sulfate into the reaction kettle, start heating and stirring.

[0036] (2) Preparation of emulsion: Take the remaining water and emulsifier and add them to the emulsification tank, start stirring, and then add hexafluorobutyl acrylate, butyl acrylate, methyl methacrylate, styrene, β-acryloyl Oxypropionic Acid, Acrylic Acid, Hydroxyethyl Acrylate, C 10 Vinyl tert-carbonate, acrylamide, diacetone acrylamid...

Embodiment 3

[0041] Fluorine-modified acrylic emulsion, by mass percentage, water 56%, alkylphenol polyoxyethylene ether sodium sulfate 1.3%, hexafluorobutyl acrylate 3.5%, butyl acrylate 13.6%, methyl methacrylate 11.6%, benzene Ethylene 6%, β-acryloxypropionic acid 0.3%, Acrylic acid 0.4%, Hydroxyethyl acrylate 2%, C 10 Vinyl tertiary carbonate 0.3%, acrylamide 0.48%, diacetone acrylamide (DAAM) 2.15%, adipate dihydrazide (ADH) 1.1%, persulfate 0.27%, organic amine AMP-95 1%.

[0042] Prepare as follows:

[0043] (1) Take 1 / 2 of water and 1 / 4 of sodium alkylphenol polyoxyethylene ether sulfate into the reaction kettle, start heating and stirring.

[0044] (2) Preparation of emulsion: Take the remaining water and emulsifier and add them to the emulsification tank, start stirring, and then add hexafluorobutyl acrylate, butyl acrylate, methyl methacrylate, styrene, β-acryloyl Oxypropionic Acid, Acrylic Acid, Hydroxyethyl Acrylate, C 10 Vinyl tert-carbonate, acrylamide, diacetone acrylamide...

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Abstract

The invention belongs to the technical field of emulsions and in particular relates to an aqueous modified acrylic emulsion as well as a preparation method and application thereof. The aqueous modified acrylic emulsion comprises the following specific formulae: 56% of water, 1-2% of an emulsifier, 1-6% of a fluorine-containing monomer, 11-16% of butyl acrylate, 8-15% of methyl methacrylate, 3-11%of styrene, 0.25-0.5% of beta-acroloyl propionic acid, 0.25-0.5% of acrylic acid, 1-4% of hydroxyethyl acrylate, 0.5-3% of vinyl versatate, 0.3-0.8% of acrylamide, 1-2.5% of diacetone acrylamide (DAAM), 0.5-1.25% of adipic dihydrazide (ADH), 0.2-0.4% of persulfate and 0.6-1.5% of organic amine AMP-95. The emulsion provided by the invention is good in solvent resistance, weather resistance, stain resistance, artificial aging resistance and weather resistance, and in addition, excellent in scratch resistance, T bending resistance and impact properties.

Description

technical field [0001] The invention belongs to the field of emulsion technology and relates to a fluorine-modified acrylic emulsion, in particular to a water-based fluorine-modified acrylic emulsion and its preparation method and application. Background technique [0002] Coil coatings are different from general industrial coatings. It adopts the production process of coating first and then processing, which can save a lot of cost. However, the requirements for the coating are very high. On the one hand, it must have sufficient hardness to prevent scratches, and on the other hand, it must maintain sufficient flexibility to prevent the coating from cracking during processing. After painting, the coating should also have excellent weather resistance, water resistance, etc., to meet the different needs of users. [0003] At present, almost all coatings for coil materials are oil-based paints. Because they contain a lot of solvents, they have a great impact on the environment ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/18C08F220/14C08F212/08C08F220/28C08F220/22C08F220/06C08F220/20C08F218/10C08F220/56C08F220/58C08F2/26C09D133/08C09D5/08C09D5/16
CPCC08F2/26C08F220/18C09D5/08C09D5/1662C09D133/26
Inventor 魏克海侯树伟朱克
Owner 淄博广栋化工有限公司
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