Permeation type alkali-resistant primer
A permeable, styrene-based technology, applied in the field of permeable anti-alkali Sina water, can solve the problems of topcoat cracking and falling off, and achieve the purpose of strengthening compactness and sealing anti-alkali, increasing adhesion and anti-alkali ability, and good permeability Effect
Inactive Publication Date: 2019-01-01
GUANGZHOU HAOTE CHEM CO LTD
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Problems solved by technology
The sina water has ultra-low VOC, no peculiar smell, no added formaldehyde, strong permeability, pan-alkaline resistance, and water resistance, which solves the sealing of building substrates, increases the adhesion and alkali resistance of the coating film and the substrate, and prevents the substrate from drying out. The precipitation of material alkali and salt can effectively avoid various problems such as loose base material putty, efflorescence, poor sealing of the base material, cracking and falling off of the top coat and endangering human health
Method used
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[0020] The present invention will be further described below in conjunction with the examples, but it should be noted that the examples do not limit the protection scope of the present invention.
[0021] A kind of osmotic type anti-alkali Sina water, its formula is as shown in table 1:
[0022] Table 1
[0023]
[0024]
[0025] The preparation method of the osmotic anti-alkali Sina water in the embodiment 1-3 comprises the following steps: putting water, defoamer, multifunctional amine neutralizer, and antifreeze into the production tank successively and dispersing and stirring with a disperser; After 10 minutes, add deodorizing coalescing aid, styrene-acrylate emulsion, and preservative. After adding and dispersing for 15 minutes, take a sample and cool it at 23±1°C to measure the viscosity. When the viscosity is 90GN, it is qualified and can be packed factory.
[0026] Specifically take Example 1 as an example to illustrate the preparation process of osmotic anti-a...
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The invention relates to the technical field of chemical coating materials, and discloses a permeation type alkali-resistant primer, which comprises, by mass, 30-70% of water, 0.2-1% of an anti-foaming agent, 25-40% of a styrene-acrylate emulsion, 0.1-0.4% of an anticorrosion agent, 0.5-2% of an anti-freezing agent, 0.2-0.5%of a multifunctional amine neutralizing agent, and 0.5-2% of an odorless coalescence aid. According to the present invention, the permeation type alkali-resistant primer has characteristics of ultra-low VOC, no odor, no formaldehyde adding, strong permeability, efforescenceresistance and water resistance, can solve the sealing of building base materials, and can increase the adhesion between the coated film and the base material and the alkali resistance so as to prevent the precipitation of the base material alkali and the salt, such that various problems of top coat cracking shedding and harm to the health of the human body due to base material putty loosening, efforescence and bad bottom material sealing and fixing can be effectively avoided.
Description
technical field [0001] The invention relates to the technical field of chemical coatings, in particular to a permeable anti-alkali Sina water. Background technique [0002] The base layer of the building wall is generally concrete, cement mortar or lime cement mortar and putty layer. Its unique silicate composition makes it contain a large amount of alkaline substances and many soluble salts. These salts are very easy to migrate to the surface of the coating film with the volatilization of water, and phenomena such as alkali reversion, salting out, color bite, and peeling occur, causing great losses to the owner and the construction party. [0003] Existing Sina water (or similar primers) cannot reinforce the loose putty very well, and its adhesion and sealing are not good, causing the wall to be prone to water efflorescence and the wall to loosen and fall off, thus causing the topcoat Mildew, cracking, peeling and other phenomena. [0004] In addition, such as using polyv...
Claims
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IPC IPC(8): C09D125/14C09D7/63
CPCC08K5/101C09D7/63C09D125/14
Inventor 符思廖位红
Owner GUANGZHOU HAOTE CHEM CO LTD