Environment-friendly anti-crack material for wall decoration and preparation method thereof

Abstract

The invention discloses an environment-friendly anti-crack material for wall decoration and a preparation method thereof. Through reasonable technological proportion, the environment-friendly anti-crack material for wall decoration has the characteristics of environmental protection, no cracking and no shedding in construction, and low cost. The material comprises the following main raw material: hydroxypropyl methyl cellulose, lignocelluloses, alkali-resistant fiber, silica, ground calcium carbonate, light calcium carbonate, diatomite, talcum powder, modified starch, a mildew inhibitor, a bacteriostatic agent, pigment, kaolin and water. The material uses modified and cured starch and auxiliary materials consisting of natural diatomite, fiber, the mildew inhibitor and the bacteriostatic agent, so the material has improved hardness and the characteristics of good construction performance, healthiness, environmental protection, no cracking, no falling of powder and good hand feeling.

Description

technical field [0001] The invention relates to the technical field of decorative materials, in particular to an environmentally friendly crack-resistant material for wall decoration and a preparation method thereof. Background technique [0002] Putty is generally composed of base materials, fillers, water and additives. It is a surface filling material for pretreatment of the construction surface before paint construction. The main purpose is to fill the pores of the construction surface and correct the curve deviation of the construction surface. Latex paint is an ideal product for wall leveling and supporting use. Usually the putty is gypsum or cement-based, so rough surfaces are easier to bond firmly. Because ordinary putty powder The product has poor adhesion and low bonding strength. In order to make the putty better bond to the base surface during construction, in order to overcome this defect, some home improvement companies brush the interface agent on the base onc...

AI Technical Summary

Problems solved by technology

[0002] Putty is generally composed of base materials, fillers, water and additives. It is a surface filling material for pretreatment of the construction surface before paint construction. The main purpose is to fill the pores of the construction surface and correct the curve deviation of the construction surface. Latex paint is an ideal product for wall leveling and supporting use. Usually the putty is gypsum or cement-based, so rough surfaces are easier to bond firmly. Because ordinary putty powder The product has poor adhesion and low bonding strength. In order to make the putty better bond to the base surface during construction, in order to overcome this defect, some home improvement companies brush the interface agent on the base once, which increases costs and increases working hours. At the same time, there are many types of construction putty products in our country, but there are few branded and standard putty products. Most of them are prepared on the construction site, with random materials and formulas. , water resistance, alkali resistance, freeze-thaw resistance and construction performance are rarely cared about. When encountering moisture or high humidity, cracking, peeling, and peeling will occur in a short period of time, resulting in multiple repairs and rework

[0003] Putty powder is used as a surface leveling powder material for pretreatment of the construction surface before paint construction. The main purpose is to fill the pores of the construction surface and correct the curve deviation of the construction surface, laying a good foundation for obtaining a uniform and smooth paint surface. , when decorating, putty powder is an indispensable decorative material. Putty powder is not only waterproof, but also can fill the wall and make the wall smooth. It is used for internal and external walls, cylinders, ceilings, balcony railings, etc. Initial decoration and leveling, ordinary putty powder products are basically powdery putty products made of water-soluble resin or modified starch, methyl cellulose or carboxymethyl cellulose, talcum powder, and double fly powder. The product name is mostly 821 putty powder, which can be prepared by adding water when used. It has the characteristics of high whiteness, easy to scrape, easy to polish, and low price, but has low bonding strength and poor water resistance. A series of complex reactions of water and carbon dioxide make its own strength, which will produce calcium hydroxide with a certain degree of alkalinity, and this alkalinity will generally disappear after a period of time, which puts forward certain requirements for putty powder constructors. If the operation skills are average, it may also cause the color paste differentiation of the latex paint on the surface, and the phenomenon of uneven color will appear