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A kind of interface agent and preparation method thereof

A technology of interface agent and emulsifier, applied in the direction of filling slurry, etc., can solve the problems of paint peeling, time-consuming and laborious, and achieve the effect of preventing fading and discoloration, good waterproof performance, and strong alkali resistance.

Inactive Publication Date: 2018-05-15
CHANGSHU WANXIANG PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the renovation of traditional old walls, in order to avoid the floating ash on the old walls from causing the paint to fall off, before painting the paint, the old walls must be treated first, and the peeling, looseness, and bulges on the base layer of the wall should be removed and leveled, and then the remaining It is time-consuming and labor-intensive to remove dust, dirt, mortar marks and other sundries on the surface of the base

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Pre-emulsion preparation: Add 62 parts of water, 3.5 parts of alkylphenol polyoxyethylene ether, 1.5 parts of styrene, 12.5 parts of isooctyl ester, and 17.5 parts of methacrylic acid into the emulsification tank, stir for 15- 20 minutes, obtain pre-emulsion A;

[0031] Polymerization reaction: Pour the bottom water into the reaction kettle, wait until the temperature in the kettle rises to 80-82°C, first add 0.25 parts of ammonium persulfate, and then drop in pre-emulsion A and 0.25 parts of ammonium persulfate at the same time , and control exactly 3 hours dripping, the total reaction time of the polymerization reaction is 3 hours;

[0032] Insulation: After the dropwise addition is completed, keep the temperature for 1 hour;

[0033] Adjust PH value and film formation: After heat preservation, add 1.5 parts of PH regulator to adjust the pH value of the product between 7-8, and finally add 1 part of film-forming aid, stir for 10 minutes, and obtain the described prod...

Embodiment 2

[0035] Pre-emulsion preparation: Add 60 parts of water, 4 parts of alkylphenol polyoxyethylene ether, 1 part of styrene, 13.5 parts of isooctyl ester, and 18 parts of methacrylic acid into the emulsification tank, stir for 15- 20 minutes, obtain pre-emulsion A;

[0036] Polymerization reaction: Pour the bottom water into the reaction kettle, wait until the temperature in the kettle rises to 80-82°C, first add 0.25 parts of ammonium persulfate, then drop in pre-emulsion A and 0.75 parts of ammonium persulfate at the same time , and control exactly 3 hours dripping, the total reaction time of the polymerization reaction is 3 hours;

[0037] Insulation: After the dropwise addition is completed, keep the temperature for 1 hour;

[0038] Adjust PH value and film formation: After heat preservation, add 2 parts of PH regulator to adjust the pH value of the product between 7-8, and finally add 0.5 parts of film-forming aid, stir for 10 minutes, and obtain the described product after ...

Embodiment 3

[0040] Pre-emulsion preparation: Add 64 parts of water, 3 parts of alkylphenol polyoxyethylene ether, 2 parts of styrene, 12 parts of isooctyl ester, and 16 parts of methacrylic acid into the emulsification tank, stir for 15- 20 minutes, obtain pre-emulsion A;

[0041] Polymerization reaction: Pour the bottom water into the reaction kettle, wait until the temperature in the kettle rises to 80-82°C, first add 0.25 parts of ammonium persulfate, then drop in pre-emulsion A and 0.75 parts of ammonium persulfate at the same time , and control exactly 3 hours dripping, the total reaction time of the polymerization reaction is 3 hours;

[0042] Insulation: After the dropwise addition is completed, keep the temperature for 1 hour;

[0043] Adjust PH value and film formation: After the heat preservation is over, add 1 part of PH regulator to adjust the pH value of the product between 7-8, and finally add 1 part of film-forming aid, stir for 10 minutes, and obtain the described product...

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PUM

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Abstract

The invention discloses an interface agent, which is composed of the following components by weight: water, 60-64 parts; emulsifier, 3-4 parts; styrene, 1-2 parts; isooctyl ester, 12-14 parts methacrylic acid, 16-18 parts; Initiator, 0.5-1 part; PH regulator, 1-2 parts; Film-forming aid, 0.5-1 part; The method comprises the following steps: pre-emulsion preparation, polymerization reaction, heat preservation, pH adjustment and film formation. Through the above method, the interface agent of the present invention has low viscosity, strong permeability, alkali resistance and strong binding force, which can completely solve the phenomenon of paint falling off in the old wall renovation construction, and at the same time, it is easy to construct, can improve construction efficiency and reduce labor intensity of construction personnel .

Description

technical field [0001] The invention relates to the field of coatings, in particular to an interface agent and a preparation method thereof. Background technique [0002] my country's architectural coatings have developed rapidly since the 1980s. During this process, there have been many problems that need to be solved. Among them, during the renovation of old walls, the dust and floating ash on the wall will cause the coating to peel, fall off. [0003] In the renovation of traditional old walls, in order to avoid the floating ash on the old walls from causing the paint to fall off, before painting the paint, the old walls must be treated first, and the peeling, looseness, and bulges on the base layer of the wall should be removed and leveled, and then the remaining It is time-consuming and labor-intensive to remove dust, dirt, mortar marks and other sundries on the surface of the base. [0004] Based on this situation, our company has developed an interface agent to compl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/06C08F212/08C08F2/30C09D7/65C09D5/34
Inventor 邹文学
Owner CHANGSHU WANXIANG PAINT