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Water-resistant acrylate emulsion adhesive and preparation method thereof

The technology of acrylate and methyl acrylate, which is applied in the field of water-resistant acrylate emulsion adhesive and its preparation, can solve the problems of low production efficiency and high energy consumption in the preparation process, so as to reduce the waste rate, reduce energy consumption, and improve emulsification. effect of effect

Pending Publication Date: 2021-11-26
佛山市鹏达家居有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the problems raised by the background technology, the purpose of the present invention is to propose a method for preparing a water-resistant acrylate emulsion adhesive, which can effectively reduce the reaction temperature and reaction time in the preparation process, thereby effectively reducing energy consumption and improving production efficiency. The problems of high energy consumption and low production efficiency in the preparation process of existing adhesives

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  • Water-resistant acrylate emulsion adhesive and preparation method thereof

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preparation example Construction

[0028] A preparation method of a water-resistant acrylic emulsion adhesive, comprising the following steps:

[0029] (1) Add polystyrene methyl methacrylate, methyl acrylate, hydroxyethyl acrylate, hydroxyethyl methacrylate, hexyl acrylate, isooctyl acrylate, and methyl methacrylate to the reactor for stirring Dissolving, the reaction temperature is 45-50°C, and the reaction time is 60-80 minutes;

[0030] (2) Add defoamer, thickener and surfactant to the reaction kettle to continue the reaction, the reaction temperature is 50-55°C, and the reaction time is 25-35 minutes;

[0031] (3) Add emulsifier and deionized water to the reaction kettle in step (2) to carry out emulsification reaction. The emulsification reaction temperature is 55-60°C. Stop heating after 25-35 minutes of emulsification reaction, and obtain a water-resistant acrylate emulsion after the end adhesive.

[0032] Since the preparation process of the existing acrylate emulsion adhesive is carried out simultan...

Embodiment 1

[0061] A water-resistant acrylate emulsion adhesive, by weight percentage, raw materials include 25% polystyrene methyl methacrylate, 8% methyl acrylate, 3% hydroxyethyl acrylate, 5% methacrylic acid Hydroxyethyl ester, 4% hexyl acrylate, 4% isooctyl acrylate, 1% methyl methacrylate, 0.5% emulsifier, 0.1% defoamer, 0.4% thickener, 1% Surfactant, the balance is deionized water. The emulsifier is sodium dodecylsulfonate and potassium dodecylbenzoate, the defoamer is polyoxypropylene glyceryl ether, the thickener is hydroxyethyl cellulose, and the surfactant is fatty alcohol polyoxyethylene ether sulfuric acid sodium.

[0062] A preparation method of a water-resistant acrylic emulsion adhesive, comprising the following steps:

[0063] (1) Add polystyrene methyl methacrylate, methyl acrylate, hydroxyethyl acrylate, hydroxyethyl methacrylate, hexyl acrylate, isooctyl acrylate, methyl methacrylate and the formula ratio to the reaction Stir and dissolve in the kettle, the reaction...

Embodiment 2

[0067] A water-resistant acrylate emulsion adhesive, by weight percentage, raw materials include 30% polystyrene methyl methacrylate, 5% methyl acrylate, 4% hydroxyethyl acrylate, 4% methacrylic acid Hydroxyethyl ester, 4% hexyl acrylate, 3% isooctyl acrylate, 1% methyl methacrylate, 0.5% emulsifier, 0.1% defoamer, 0.4% thickener, 1% Surfactant, the balance is deionized water. The emulsifier is sodium dodecyl sulfonate, the defoamer is polyoxyethylene tetraol ether and polyoxypropylene glyceryl ether, the thickener is hydroxyethyl cellulose, and the surfactant is fatty alcohol polyoxyethylene ether sodium sulfate .

[0068] A preparation method of a water-resistant acrylic emulsion adhesive, comprising the following steps:

[0069] (1) Add polystyrene methyl methacrylate, methyl acrylate, hydroxyethyl acrylate, hydroxyethyl methacrylate, hexyl acrylate, isooctyl acrylate, methyl methacrylate and the formula ratio to the reaction Stir and dissolve in the kettle, the reaction...

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Abstract

The invention relates to the technical field of coatings, in particular to a water-resistant acrylate emulsion adhesive and a preparation method thereof. The preparation method of the water-resistant acrylate emulsion adhesive comprises the following steps: mixing polystyrene methyl methacrylate, methyl acrylate, hydroxyethyl acrylate, hydroxyethyl methylacrylate, hexyl acrylate, 2-ethylhexyl acrylate and methyl methacrylate, stirring and dissolving for 60-80 minutes at the temperature of 45-50 DEG C; adding a defoaming agent, a thickening agent and a surfactant for continuous reaction, wherein the reaction temperature is 50-55 DEG C, and the reaction time is 25-35 minutes; and adding an emulsifying agent and deionized water for emulsifying at the emulsifying temperature of 55-60 DEG C for 25-35 minutes, and stopping heating to obtain the water-resistant acrylate emulsion adhesive. According to the preparation method, the reaction temperature and the reaction time in the preparation process can be effectively reduced, so that the energy consumption is effectively reduced, the production efficiency is improved, and the problems of high energy consumption and low production efficiency in the preparation process of the existing adhesive are solved.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-resistant acrylate emulsion adhesive and a preparation method thereof. Background technique [0002] In recent years, with the rapid development of urbanization and the improvement of people's living standards, the standards for architectural coatings have also been continuously improved. Decorative materials represented by ceramics, artificial stones and natural stones have been greatly welcomed, but the biggest disadvantages Therefore, after these substrates are bonded to concrete, hollowing and shedding appear in a short period of time. The main reason for this phenomenon is that the performance of early tile adhesives is unstable and the reaction with concrete is poor. Therefore, acrylate emulsion adhesives entered the market in due course. [0003] Although the acrylate emulsion adhesive can effectively solve the hollowing and shedding phenomenon during tile laying...

Claims

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Application Information

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IPC IPC(8): C09J4/06C09J4/02
CPCC09J4/06
Inventor 郭荣端吴丽娜
Owner 佛山市鹏达家居有限公司
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