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A kind of pure acrylic elastic environmental protection waterproof coating and preparation process thereof
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A pure acrylic, waterproof coating technology, applied in the field of coatings, can solve the problems of harming human health, consumer burden, and high production costs, and achieve the effects of improving adhesion, reducing edge warping, and maintaining mechanical properties.
Active Publication Date: 2019-12-06
上海京球新材料科技有限公司
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[0004] The existing technology can achieve good adhesion, stain resistance and excellent performance. However, the use of fluorocarbon resins in the prior art tends to cause excessively high production costs and burden consumers; at the same time, the use of Occupying a relatively large proportion of organic solvents to dissolve the various components in the prior art, it is not only not environmentally friendly, but also causes some genetic diseases and seriously endangers human health
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Embodiment 1
[0056] Embodiment 1: A kind of pure acrylic acid elastic environmental protection waterproof coating, the components and corresponding parts by weight thereof are as shown in Table 1, and are prepared through the following steps:
[0057] S1. Stir AC-3001 pure acrylic emulsion, then slowly add pure acrylic emulsion and water-based plastic quick-drying emulsion in sequence, and fully stir at a stirring speed of 500-650rpm to form an emulsion mixture;
[0058] S2, slowly add water-based adhesion promoter, hydrophobic agent, and defoamer to the emulsion mixture in step S1, and fully stir at a stirring speed of 750-900rpm to form a primary product;
[0059] S3, slowly add a thickener and a toughening agent to the initial product obtained in step S2, stir fully at a stirring speed of 950-1100 rpm, inspect, pack, and obtain.
[0060] Among them, the hydrophobic agent is selected from polysilazane polymers, polysiloxane-polyalkoxy ether copolymers, and silicone resins with a weight r...
Embodiment 2
[0064] Embodiment 2: A kind of pure acrylic acid elastic environmental protection waterproof coating, the difference with embodiment 1 is that the components and corresponding parts by weight are as shown in Table 1.
Embodiment 3
[0065] Embodiment 3: A kind of pure acrylic elastic environmental protection waterproof coating, the difference with embodiment 2 is, also added pH adjuster, this pH adjuster selects pH adjuster BS168, and in step S2, after adding defoamer Then add 2 parts by weight of pH regulator BS168.
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Abstract
The invention discloses a pure acrylic elastic environment-friendly waterproof coating and a preparation process thereof, wherein the pure acrylic elastic environment-friendly waterproof coating is prepared from 16 to 24 parts of AC-3001 pure acrylic emulsion,56 to 65 parts of pure acrylic emulsion, 8 to 12 parts of water-based plastic quick-dryingemulsion, 0.65 to 1.33 parts of water-based adhesion promoter, 1.5 to 2.3 parts of hydrophobic agent, 0.6 to 1.2 parts of defoaming agent, 4 to 7 parts of thickener, and 0.05 to 0.16 parttoughening agent. The coating provided by the invention has the advantages of good elasticity, and no blackness and no whitening in case of water, overcomes the defects of blackening and embrittlement of the original external wall after leakage repairing, does not flow, is anti-aging and can replace the silicon rubber for caulking, and can also be used for repairing the external wall; the coating is waterproof and can keep the wall clean and attractive for a long time; in addition, the coating has the advantages of being non-toxic, odorless, pollution-free, safe to use and not harmful to a human body.
Description
technical field [0001] The invention relates to the technical field of coatings, more specifically, it relates to a pure acrylic elastic environmental protection waterproof coating and a preparation process thereof. Background technique [0002] With the continuous improvement of the level of economic development, more and more attention is paid to the materials used in home decoration, and the requirements for the bonding effect of coatings are also constantly increasing. [0003] The Chinese patent with the authorized announcement number CN101423686B and the authorized announcement date on December 21, 2011 discloses a solvent-based fluorocarbon heat-insulating exterior wall coating, which is composed of separately prepared component A and component B. The coating A The components include the following ingredients: 4-20 parts by weight of heat insulating materials; 9-20 parts by weight of heat-reflecting materials; 40-50 parts by weight of fluorocarbon resin; 5-18 parts by...
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