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Water-based low-permeability single-component acrylate emulsion and preparation method thereof

An acrylic, low water permeability technology, applied in the direction of coating, etc., can solve the problems of easy cracking and high water permeability, and achieve the effects of low water absorption, good water resistance, and good stain resistance

Active Publication Date: 2022-05-10
广东恒和永盛集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a water-based low water permeability single-component acrylate emulsion and its preparation method to solve the te

Method used

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  • Water-based low-permeability single-component acrylate emulsion and preparation method thereof

Examples

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Effect test

Embodiment 1

[0032] A water-based low water permeability one-component acrylic ester emulsion, used for architectural interior and exterior wall paint finish paint varnish, including the following raw materials: methyl methacrylate 15kg, tert-butyl methacrylate 8kg, methacrylic acid 0.4kg, acrylic acid 0.3kg, vinyl tertiary carbonate (VV-10) 2kg, butyl acrylate 12kg, glycidyl methacrylate 0.5kg, vinyltrimethoxysilane 0.2kg, SR-10 reactive emulsifier 0.8kg, dodecane Sodium diphenyl ether disulfonate 1.94kg, alkyl polyoxyethylene ether 1kg, OE-3002kg, ammonium persulfate 0.2kg, tert-butyl hydroperoxide 0.15kg, L-ascorbic acid 0.1kg, polymerization inhibitor (ZJ- 701) 0.001kg, ammoniacal liquor 0.5kg, water 60kg, comprise following preparation steps:

[0033] (1) Pre-emulsification

[0034] a) Under normal temperature and pressure, 60% of the total mass of two non-reactive emulsifiers, sodium dodecyl diphenyl ether disulfonate and alkyl polyoxyethylene ether, and 55% of the total mass of dei...

Embodiment 2

[0046] A water-based low water permeability self-cleaning finish varnish with one-component acrylate emulsion, used for architectural interior and exterior wall paint finish varnish, including the following raw material components: methyl methacrylate 15kg, tert-butyl methacrylate 8kg , methacrylic acid 0.4kg, acrylic acid 0.4kg, tertiary vinyl carbonate (VV-10) 3kg, butyl acrylate 11kg, glycidyl methacrylate 0.4kg, vinyltrimethoxysilane 0.2kg, SR-10 reactive type Emulsifier 0.5kg, sodium dodecyl diphenyl ether disulfonate 2kg, alkyl polyoxyethylene ether 1kg, OE-30022kg, ammonium persulfate 0.15kg, tert-butyl hydroperoxide 0.12kg, L-ascorbic acid 0.1kg , polymerization inhibitor (ZJ-701) 0.005kg, sodium hydroxide 0.8kg, water 60kg, comprise following preparation steps:

[0047] (1) Pre-emulsification

[0048] a) Under normal temperature and pressure, 50% of the total mass of two non-reactive emulsifiers, sodium dodecyl diphenyl ether disulfonate and alkyl polyoxyethylene eth...

Embodiment 3

[0060] One-component acrylate emulsion for water-based low water permeability self-cleaning finish varnish, used for building interior and exterior wall paint finish varnish, including the following raw material components: methyl methacrylate 11kg, tert-butyl methacrylate 12kg , Methacrylic acid 0.6kg, acrylic acid 0.3kg, vinyl tertiary carbonate (VV-10) 3kg, butyl acrylate 11kg, vinyltrimethoxysilane 0.7kg, SR-10 reactive emulsifier 0.4kg, dodecyl Sodium diphenyl ether disulfonate 1.5kg, alkyl polyoxyethylene ether 1kg, OE-300 2.5kg, sodium persulfate 0.25kg, tert-butyl hydroperoxide 0.15kg, L-ascorbic acid 0.11kg, polymerization inhibitor (ZJ- 701) 0.001kg, potassium hydroxide 0.5kg, water 56.62kg, comprising the following preparation steps:

[0061] (1) Pre-emulsification

[0062] a) Under normal temperature and pressure, 50% of the total mass of two non-reactive emulsifiers, sodium dodecyl diphenyl ether disulfonate and alkyl polyoxyethylene ether, and 40% of the total m...

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Abstract

The invention discloses a water-based low-permeability single-component acrylate emulsion and a preparation method thereof, and relates to the technical field of architectural coatings. The acrylate emulsion comprises tert-butyl methacrylate, methyl methacrylate, butyl acrylate, a carboxyl monomer, a crosslinking monomer, a reactive emulsifier, a non-reactive emulsifier, an initiator, an oxidizing agent, a reducing agent and water, and the carboxyl monomer comprises methacrylic acid and acrylic acid. Hydrophobic monomers such as tert-butyl methacrylate and vinyl versatate (VV-10) are introduced, through copolymerization of an acrylate monomer and the hydrophobic monomers, the acrylate monomer and the hydrophobic monomers are grafted to an acrylate molecular chain, and due to the fact that branched-chain-rich alkyl of the acrylate monomer has ultraviolet resistance, the acrylate monomer has good weather resistance, the water resistance is improved, and the service life of the acrylate monomer is prolonged. The water permeable rate is low, and the temperature change cracking resistance is realized.

Description

technical field [0001] The invention relates to the technical field of architectural coatings, in particular to a water-based low water permeability one-component acrylate emulsion and a preparation method thereof. Background technique [0002] With the improvement of people's living standards, people's requirements for architectural coatings are also getting higher and higher. According to market research, it is found that real stone paint and colorful paint have the advantages of rich colors, good bonding effect, high hardness and strong decoration, so they are widely favored by consumers, and the market consumption is also rising rapidly. However, colorful paint and real stone paint itself Water permeability, water whitening resistance, stain resistance, aging resistance, water recovery and other performances are average, and various paint film problems are prone to occur. [0003] At present, some overcoat products on the market add more hydrophilic groups with carboxyl...

Claims

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Application Information

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IPC IPC(8): C08F265/06C08F220/18C08F218/00C08F220/32C08F220/06C08F2/26C08F2/30C08F2/24C09D151/00
CPCC08F265/06C08F2/26C08F2/30C08F2/24C09D151/003C08F220/1804C08F218/24C08F220/325C08F220/06
Inventor 张忠伟李优雄
Owner 广东恒和永盛集团有限公司
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