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Multifunctional sealing and hardening prime coat, and preparation method and application thereof

A multi-functional, sealant technology, applied in coatings, antifouling/underwater coatings, conjugated diene coatings, etc., can solve problems such as weak penetration of the base, indoor environmental pollution, and no antibacterial effect

Active Publication Date: 2018-09-28
GOLD MANTIS CONSTR DECORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But existing above-mentioned two processing methods all have more shortcoming
For example, the disadvantages of the water-based base film are: ①Limited permeability: only suitable for high-porosity substrates such as mortar, putty, gypsum, etc., unable to penetrate dense bases or weak penetration; ②Limited curing performance: unable to harden and become loose and powdery The base layer is easy to cause the hollowing and falling off of the decorative surface layer in the later stage; ③Limited sealing performance: it cannot inhibit the growth of mold caused by moisture leakage from the base layer, or has no continuous antibacterial effect; ④Limited environmental protection performance: it contains and releases volatile Organic compounds that pollute the indoor environment and endanger human health
The disadvantage of solvent-based varnish is that it contains a variety of ingredients that are harmful to the human body and the environment. At the same time, it has a greater impact on the construction environment and seriously endangers human health.

Method used

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  • Multifunctional sealing and hardening prime coat, and preparation method and application thereof
  • Multifunctional sealing and hardening prime coat, and preparation method and application thereof
  • Multifunctional sealing and hardening prime coat, and preparation method and application thereof

Examples

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preparation example Construction

[0070] According to one aspect of the present invention, a kind of preparation method of above-mentioned multifunctional seal hardening primer, described preparation method comprises the following steps:

[0071] First, mix and stir acrylic emulsion, styrene-butadiene emulsion, sealant, antiseptic and bactericide and water for 5-10 minutes, then add defoamer, thickener and acid-base regulator and mix and stir for 20-30 minutes, and finally add color paste Mix well to make a multi-purpose sealing and hardening primer.

[0072] The preparation method of the multifunctional sealing and hardening primer provided by the present invention, the above method first mixes acrylic acid emulsion, styrene-butadiene emulsion, sealant, antiseptic and bactericide and water for 5-10 minutes, then adds defoamer, thickener and acid The alkali conditioner is mixed and stirred for 20-30 minutes, and finally the color paste is optionally added and mixed evenly to prepare a multi-functional sealing ...

Embodiment 1～5

[0092] A multifunctional sealing and hardening primer, according to the parts by weight in the following Table 1, the raw material components are weighed to obtain the component formula of Examples 1 to 5 of the present invention. Multifunctional sealing and hardening primer:

[0093] Table 1: Formulas of multifunctional sealing and hardening primers of Examples 1 to 5

[0094]

[0095] Note: In the above-mentioned Examples 1 to 5 of the present invention, the acrylic emulsion is AXILAT PR 3500 produced by HEXION; the styrene-butadiene emulsion is LIPATON SB30Y160 produced by SYNTHOMER; the sealant is DURAMUL 2428F produced by DURAMUL; Preventol D7 produced by Sheng Company; the defoamer is Dehydran 1620 produced by BASF; the thickener is ROHAGIT SD15 produced by Roehm GmbH; the acid-base regulator is ammonia solution containing 25% ammonia.

[0096] Then, according to the following steps, the multifunctional sealing and hardening primers of Examples 1 to 5 of the present i...

experiment example 1

[0106] In order to show that the multifunctional sealing and hardening primer of the present invention has the characteristics of super strong permeability, high hardening strength, high sealing performance and environmental protection, the multifunctional sealing and hardening primers prepared in Examples 1 to 5 and Comparative Examples 1 to 4 are now respectively tested. The primer was tested for hardness, antibacterial performance, penetration performance, adhesion and water resistance, and the results are shown in Table 3.

[0107] Table 3: Performance test results of multifunctional seal hardening primer

[0108]

[0109]

[0110] Note: The above hardness test is carried out according to the method specified in GB / T6739-2006 "Paint and Varnish Pencil Method", where B stands for blackness, and the more B number means the darker the color and the lower the hardness; H stands for hardness, H More numbers mean greater hardness and lighter color; HB means medium hardness...

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Abstract

The invention provides a multifunctional sealing and hardening prime coat, and a preparation method and application thereof, and relates to the technical field of building operations. The multifunctional sealing and hardening prime coat mainly comprises acrylic emulsion, butylbenzene emulsion, sealants, anticorrosive bactericide, deforming agents, thickeners, acid-base regulators and water. The prime coat can have ultrahigh permeability and excellent wettability through the acrylic emulsion; bonding strength of the prime coat and a base layer can be improved through the butylbenzene emulsion;hardness of a prime coat layer can be enhanced through the sealants; bacteria growth in the prime coat can be inhibited effectively through the anticorrosive bactericide; the acid-base regulators canbe used for regulating system pH values within a required range. The multifunctional sealing and hardening prime coat obtained by compounding the components has the advantages of ultrahigh permeability, high hardness, high sealing performance, environment protection and the like, and can be widely applied to sealing and hardening treatment of high-porosity materials, concrete, wood base layers andstone surface layers.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a multifunctional sealing and hardening primer and a preparation method and application thereof. Background technique [0002] In the construction process of decoration engineering, the sealing and hardening treatment of the base layer is an effective means to ensure the quality of the decorative surface layer. It can isolate the base layer, resist alkali, prevent mildew, and prevent moisture, and effectively prevent the moisture and alkaline substances from the base layer from seeping out. role. [0003] The existing sealing and hardening treatment methods for the base layer mainly include solvent-based varnish and water-based base film. But existing above-mentioned two treatment methods all have more shortcoming. For example, the disadvantages of the water-based base film are: ①Limited permeability: only suitable for high-porosity substrates such as mortar, putt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D109/06C09D7/65C09D5/14
CPCC08L2205/03C09D5/14C09D133/00C09D7/65C08L9/06C08L33/02C08K5/0058C08K3/015
Inventor 冯黎喆林志超张凯耿玉晓葛峰侯申飞
Owner GOLD MANTIS CONSTR DECORATION
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