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Modified pure acrylic emulsion and preparation method thereof

A pure acrylic emulsion, modified technology, applied in the direction of coating, etc., can solve the problems of low hardness of coating film, high film forming temperature, low stability of emulsion, etc.

Active Publication Date: 2014-01-08
中山市天益聚合物有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Pure acrylic emulsion has defects such as low film hardness, high film forming temperature, low emulsion stability, aging resistance, scrub resistance, water resistance, and alkali resistance, which affect the application of pure acrylic emulsion.

Method used

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  • Modified pure acrylic emulsion and preparation method thereof
  • Modified pure acrylic emulsion and preparation method thereof
  • Modified pure acrylic emulsion and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] 1. Nano ZrO 2 The percentage content of each component of the modified pure acrylic emulsion is as follows:

[0015]

[0016]

[0017] 2. Nano ZrO 2 The preparation method of modified pure acrylic emulsion comprises the following steps:

[0018] 1. Nano ZrO 2 Modification treatment: the nano-ZrO 2 , propylene glycol and 1 / 5 of water were added to the container for ultrasonic dispersion for 40 minutes, then KH-570 silane coupling agent and oleic acid mixed modifier were added, and after ultrasonic dispersion was continued for 40 minutes, the dispersion liquid was placed in a reaction vessel and heated in a water bath to 85 ℃, condensed and refluxed for 3.5h, dried and ground after the reaction, and modified nano-ZrO 2 ;

[0019] 2. Methyl methacrylate, butyl acrylate, methacrylic acid and modified nano-ZrO 2 Mix and add to the container, stir with magnetic force for 1.5h, and then disperse with ultrasonic wave for 1.5h to prepare nano-ZrO 2 monomer mixture; ...

Embodiment 2

[0024] 1. Nano ZrO 2 The percentage content of each component of the modified pure acrylic emulsion is as follows:

[0025]

[0026] Two, preparation method is the same as embodiment 1.

[0027] Three, the performance test result of the pure acrylic emulsion of the present embodiment is as follows:

[0028]

Embodiment 3

[0030] 1. Nano ZrO 2 The percentage content of each component of the modified pure acrylic emulsion is as follows:

[0031]

[0032] Two, preparation method is the same as embodiment 1.

[0033] Three, the performance test result of the pure acrylic emulsion of the present embodiment is as follows:

[0034]

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Abstract

The invention discloses a modified pure acrylic emulsion and a preparation method thereof. The emulsion comprises the following components by mass percent: 42-56% of water, 1-3% of propylene glycol, 20-30% of methyl methacrylate, 15-25% of butyl acrylate, 0.8-1.2% of methacrylic acid, 1.0-1.4% of emulsifier OP-10, 1.2-1.6% of sodium dodecyl benzene sulfonate, 0.4-0.6% of sodium bicarbonate, 0.4-0.6% of potassium persulfate, 0.23-0.66% of nano ZrO2, 0.5-1.2% of ammonia water and 0.04-0.17% of mixture of silane coupling agent and oleic acid (5:1). The nano ZrO2 modified pure acrylic emulsion has the advantages of environment friendliness, aging resistance, washability, water resistance, alkali resistance, good emulsion stability, high film hardness and the like.

Description

technical field [0001] The invention belongs to the technical field of architectural coatings, and relates to a coating base material, in particular to a pure acrylic emulsion and a preparation method thereof. Background technique [0002] As a base material, pure acrylic emulsion is widely used in the fields of exterior wall latex paint, color paint, high-grade interior wall paint, high-grade real stone paint, and exterior wall cement paint. In recent years, the research on the preparation of pure acrylic emulsion at home and abroad has achieved certain results, but there are still problems to be solved. Pure acrylic emulsion has defects such as low coating film hardness, high film forming temperature, low emulsion stability, aging resistance, scrub resistance, water resistance, and alkali resistance, which affect the application of pure acrylic emulsion. [0003] Through research and experiments, it was found that the use of silane coupling agent and oleic acid mixed modi...

Claims

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Application Information

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IPC IPC(8): C08L33/12C08L33/08C08K9/06C08K9/04C08K3/22C08F220/14C08F220/18C08F220/06C08F2/44C09D133/12C09D133/08
Inventor 郭文录张秀荣
Owner 中山市天益聚合物有限公司
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