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A kind of high permeability interfacial reinforcement agent

A reinforcing agent and high-permeability technology, applied in the direction of coating, etc., can solve the problems of difficult film formation, slow drying speed, poor adhesion and durability, etc., and achieve the effect of fast film forming speed, small particle radius and good water resistance

Active Publication Date: 2022-06-07
佛山市顺德区巴德富实业有限公司
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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, the old walls are reinforced with interface agents in advance. However, most of the interface agent materials currently on the market have some shortcomings, such as poor water resistance and poor adhesion. Low strength, especially difficult to penetrate into the interior of the base layer to thoroughly reinforce the loose base, poor adhesion and durability, and difficult to form a film at low temperature, it is necessary to add additional film-forming aids, resulting in slow drying speed and low construction efficiency

Method used

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  • A kind of high permeability interfacial reinforcement agent
  • A kind of high permeability interfacial reinforcement agent
  • A kind of high permeability interfacial reinforcement agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A high-penetration interface strengthening agent, calculated in parts by mass, is prepared from the following raw materials: 50% of deionized water, 10% of styrene, 18% of isobutyl propylene, 4% of isooctyl propylene, 1% of functional monomer, Silane coupling agent 0.2%, emulsifier 0.8%, sodium persulfate 0.4%, post-treatment agent 0.2%, lithium silicate 15%, pH adjuster 0.07%, defoamer 0.03%, bactericide 0.3%.

example 1

[0034] Example 1 Ingredient List:

[0035]

[0036]

[0037] The preparation steps are as follows:

[0038] Step 1: Preparation of core emulsion: add 20% deionized water and emulsifier to the emulsification tank, start stirring and dispersing for 15 minutes, add styrene, alkyl acrylate, functional monomer, and continue stirring for 15 minutes, that is, have to;

[0039] Step 2: Shell segment solution preparation: add 10% deionized water, inorganic silicate, and silane coupling agent to the emulsification tank, and disperse with a mixer for 1 hour at room temperature to obtain;

[0040] Step 3: Preparation of reactor bottom material: add 10% deionized water and emulsifier to the reactor to obtain the reactor bottom material;

[0041] Step 4: Heat the reaction kettle to 89°C. After adding the initiator, the remaining initiator and the core segment emulsion are separately added dropwise for 2 hours, and the medium is kept for 30 minutes, and then the shell segment solutio...

Embodiment 2

[0043]A high-penetration interface strengthening agent is characterized in that, in terms of mass ratio, it is made from the following raw materials: 60% deionized, 10% styrene, 15% butyl acrylate, 2% functional monomer, silane Coupling agent 0.5%, emulsifier 1.2%, initiator 0.5%, post-treatment agent 0.25%, inorganic silicate 10%, pH adjuster 0.02%, defoamer 0.03%, bactericide 0.5%.

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PUM

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Abstract

The invention discloses a high-permeability interface reinforcement and a preparation method thereof, which relates to the field of organic-inorganic composite materials and aims to solve the problems of poor penetration and reinforcement of loose substrates by conventional acrylic interface agents. The present invention is an organic-inorganic composite polymer synthesized by using styrene, alkyl acrylate, and functional monomer as the core, and inorganic silicate modified by a silane coupling agent as the shell. The composite polymer can be used in old wall renovation scenes and has Strong penetration ability, high bonding strength, good adhesion, easy construction, and environmental protection.

Description

technical field [0001] The invention relates to a high-penetration interface strengthening agent and a preparation method thereof, belonging to the field of organic non-composite materials. Background technique [0002] Since the 1980s, my country's architectural coatings have developed rapidly, and various high and low-end products have come out, but on the whole, the level is not high, and many products are of poor quality. After years of rainwater washing, acid and alkali corrosion, resulting in Many exterior wall paints were damaged, and even some interior wall paints were touched off by hand, and the coatings were completely destroyed. Today, after years of real estate development in my country, the land use rate has gradually become saturated. Therefore, those old houses are mostly renovated. [0003] In the renovation of traditional old walls, in order to prevent the floating ash on the old walls from causing the paint to fall off, the old walls are reinforced with an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/08C09D7/62
CPCC09D133/066C09D7/62C08K9/06C08K3/34
Inventor 李仕军于松将刘燕
Owner 佛山市顺德区巴德富实业有限公司
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