Primer emulsion and preparation method and application thereof

A technology of emulsion and primer, applied in the direction of primer, coating, etc., can solve the problems of poor film compactness, poor sealability, poor water permeability, etc., and achieve high viscosity, narrow particle size distribution, excellent paint film compactness and surface The effect of hardness

Active Publication Date: 2017-12-12
HENGSHUI XINGUANG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems of poor film-forming compactness, poor sealability, poor water permeability

Method used

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  • Primer emulsion and preparation method and application thereof
  • Primer emulsion and preparation method and application thereof
  • Primer emulsion and preparation method and application thereof

Examples

Experimental program
Comparison scheme
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preparation example Construction

[0047] In one embodiment, the preparation method at least includes the following steps:

[0048] Step 1, taking each component according to the above-mentioned raw material ratio;

[0049] Step 2, divide the long-chain reactive emulsifier into a first reactive emulsifier and a second reactive emulsifier, divide the deionized water into the first deionized water, the second deionized water, and the third deionized water and the fourth deionization;

[0050] Step 3, dissolving the emulsifier: dissolving the first reactive emulsifier and the short-chain reflective emulsifier with the first deionized water to obtain an emulsifier solution;

[0051] Step 4, dissolving of initiator: the initiator is divided into the first initiator and the second initiator, then the first initiator is dissolved in the second deionized water to form the first initiator solution, and the second initiator is dissolved in In the third deionized water, a second initiator solution is formed;

[0052] Ste...

Embodiment 1

[0064] The invention provides a primer emulsion, comprising the following raw material components in parts by mass: deionized water: 53.18 parts, sodium bicarbonate: 0.07 parts, isomerized tridecanol polyoxyethylene ether TO-8: 0.1 parts, not Saturated allyl alkyl ammonium sulfate SR-10: 0.9 parts, potassium persulfate: 0.2 parts, vinyltriethoxysilane: 0.2 parts, SIPOMER PAM100: 0.4 parts, butyl acrylate: 37 parts, styrene: 13.5 parts, sodium allyloxy hydroxysulfonate: 0.3 parts, hydroxyethyl acrylate: 2.4 parts, butyl methacrylate: 1 part, dodecyl mercaptan: 0.1 parts, defoamer: 0.1 parts, anti-corrosion Agent: 0.1 part, liquid caustic soda: 0.45 part.

Embodiment 2

[0066] The invention provides a primer emulsion, which includes the following raw material components in parts by mass: deionized water: 53.18 parts, sodium bicarbonate: 0.07 parts, nonylphenol ethoxylate NE-10: 0.1 parts, unsaturated allyl Alkyl ammonium sulfate SR-10: 0.9 parts, potassium persulfate: 0.2 parts, vinyltriethoxysilane: 0.2 parts, SIPOMER PAM100: 0.4 parts, butyl acrylate: 37 parts, styrene: 13.5 parts, Sodium Allyloxy Hydroxysulfonate: 0.3 parts, Hydroxyethyl Methacrylate: 2.4 parts, Butyl Methacrylate: 1 part, Dodecyl Mercaptan: 0.1 parts, Antifoaming Agent: 0.1 parts, Preservative : 0.1 part, liquid caustic soda: 0.45 part.

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Abstract

The invention relates to the technical field of building coatings, and particularly discloses a primer emulsion and a preparation method and application thereof. The primer emulsion is prepared from the following raw material components in parts by mass: 10.07 to 60 parts of monomers, 0.6 to 12.0 parts of emulsifier, 0.02 to 5 parts of initiator, 0.02 to 5 parts of chain transfer agent, 0.02 to 5 parts of pH (potential of hydrogen) buffer agent, 0.02 to 2 parts of defoaming agent, 0.02 to 2 parts of preservative, and 40 to 50 parts of deionized water, wherein the monomers comprise main monomer, polarity monomer, and self-crosslinking monomer. The primer emulsion is applied to the field of bottom-sealing coatings. The bottom-sealing coating prepared by the primer emulsion has the advantages that the particle size distribution is narrow, the particle size is more uniform, and the hardness, adhesion force, water permeating property and the like of the paint film are excellent.

Description

technical field [0001] The invention relates to the technical field of architectural coatings, in particular to a primer emulsion and a preparation method and application thereof. Background technique [0002] my country is a large manufacturing country. With the expansion of the economy, the national outbreak of environmental pollution and severe atmospheric smog has seriously threatened the environment on which the people of the country depend. VOC in coatings and adhesives is the cause of severe atmospheric smog. The culprit of smog is the most important cause of smog. Although the current performance of water-based coatings cannot exceed that of traditional solvent-based coatings, it has become a water-based coating because of its non-polluting, environmental safety and compliance with national environmental protection policies. The inevitable trend of development, especially my country promulgated new regulations for the coatings industry at the end of 2014 and after the ...

Claims

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Application Information

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IPC IPC(8): C08F220/18C08F212/08C08F220/28C08F216/14C08F228/02C08F230/08C08F220/14C08F220/58C08F2/26C08F2/30C09D133/08C09D133/12C09D7/12
CPCC09D133/08C09D133/12C08F2/26C08F2/30C08F220/14C08F220/18C09D5/002C08K2003/265C08F220/1804C08L1/284C08K13/02C08K5/053C08K3/26C08K3/04C08F220/1808C08F228/02C08F220/281C08F220/58C08F230/02C08F212/08C08F216/14C08F230/08C08F220/585C08F216/20
Inventor 杨士国肖中华田海水高昊焦健王亚际刘文超何军赵玉涛
Owner HENGSHUI XINGUANG CHEM
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