Environment-friendly high-strength elastic coating for interior walls and preparation method thereof

Abstract

The invention discloses an environment-friendly high-strength elastic coating for interior walls and a preparation method thereof, and the coating comprises the following raw materials in parts by weight: 50-100 parts of high-elastic acrylic emulsion, 5-20 parts of pure acrylic emulsion, 2-5 parts of sodium hexametaphosphate, 2-8 parts of a coalescing agent, 1-5 parts of ground calcium carbonate, 1-4 parts of cellulose ether, 1-2 parts of a multifunctional additive, 1-2 parts of a mildew preventive, 1-2 parts of a flatting agent, 1-2 parts of a thickening agent, 1-2 parts of a dispersing agent, 1-2 parts of a defoaming agent, 1-2 parts of an anti-freezing agent and 50-100 parts of water. After the coating is completely cured, the coating has enough strength to resist destructive power generated by the outside to the coating, the mechanical property is excellent, the adhesive force of the coating can be improved, the self-cleaning and hydrophobic capacity of the coating can be improved, the stability of the coating can be improved, meanwhile, the elasticity is excellent, the self-healing performance is achieved, and the good application prospect and economic benefits are achieved.

Description

technical field [0001] The invention relates to the technical field of elastic coatings, in particular to an environment-friendly high-strength elastic coating for interior walls and a preparation method thereof. Background technique [0002] In recent years, with the development of the economy, people have higher and higher requirements for building interior wall coatings, and the demand for low-cost and environmentally friendly interior wall coatings in the construction market is increasing. At present, harmful substances in interior wall coatings have been harassing Living and environmental protection has become the focus of attention and the goal pursued by people. Interior wall paint is an important part of building decoration materials. There are many manufacturers and many brands of products, but most of them still have the problem that the harmful substances in the coating greatly exceed the national limit standards. [0003] At present, the coatings on the interior...

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Problems solved by technology

[0003] At present, the coatings on the interior walls of ordinary buildings are generally rigid coatings, but because the internal structures of buildings such as concrete and bricks will expand and contract due to climate change, and the degree of thermal expansion and contraction of various walls Differences will produce internal stress. When the internal stress acts on the wall surface, it will affect the integrity of the interior wall coating film, resulting in cracking, blistering, and even flakes off. The elastic exterior wall coating will follow the wall. Thermal expansion and contraction and deformation, thereby maintaining the continuity of the coating film and maintaining the overall effect for a long time

[0004] Existing elastic exterior wall paint mostly adopts elastic acrylic emulsion, with acrylic emulsion as the base material, with the auxiliary agent and filler of ordinary paint to prepare interior wall paint, the prepared paint performance is improved to some extent compared with ordinary paint elasticity, but the attached Efforts cannot meet the demand. If the adhesion of the paint is enhanced, the elasticity of the paint will be significantly reduced, which needs to be solved urgently

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