Ultra-strong water-resistant mildew-resistant inorganic dry powder putty

Abstract

The invention provides ultra-strong water-resistant mildew-resistant inorganic dry powder putty. The ultra-strong water-resistant mildew-resistant inorganic dry powder putty comprises, by weight, 50-200 parts of an inorganic gel material, 20-50 parts of water-resistant redispersible latex powder, 300-700 parts of a filling material, 0.1-0.5 parts of a mildew inhibitor and 0-20 parts of an additive. The ultra-strong water-resistant mildew-resistant inorganic dry powder putty satisfies water-resistant (N) putty requirements of the standard JG / T298-2010, reaches to the mildew-resistant level 0 of the standard GB / T1741-2007, has the advantages of good polishability, good cohesiveness and storage stability, does not produce harmful substances such as VOC, benzene, formaldehyde and heavy metals, and is especially suitable for indoor wet environments such as toilets, underground spaces and kitchens. The invention also provides an object such as a building containing the ultra-strong water-resistant mildew-resistant inorganic dry powder putty.

Description

technical field [0001] The invention relates to a paint, in particular to an inorganic dry powder putty with super water resistance and anti-mildew performance, and an application thereof. Background technique [0002] Putty (mud filling) is a kind of thick paste paint, which is mainly applied on the primer or directly on the wall and other objects to remove the defects on the surface of the object to be painted, and is essential before painting other wall decoration materials A product that plays an important role in the bonding between the coating on the surface of the object and the object. As the base layer of the surface decoration material, putty is very important for water and mildew resistance, so as to prevent the wall or putty from getting damp or mildew and causing the decoration material to fall off. [0003] In particular, underground spaces such as basements, underground garages, and underground passages have closed, constant temperature, poor ventilation, and...

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Problems solved by technology

[0005] Chinese patent CN101386720B discloses a waterproof and anti-corrosion putty, including ash calcium powder, heavy (and light) calcium carbonate, and engine oil, edible vegetable oil, industrial alcohol, amide solution, polyvinyl alcohol, etc., the waterproof and anti-corrosion putty disclosed in this patent It has obvious waterproof and anti-corrosion properties, but the putty is too dense, almost inelastic, and the leveling effect is not good

[0006] On this basis, Chinese patent application CN1908081A discloses a kind of waterproof putty, selects powders such as white cement, calcium carbonate, gray calcium powder, adds polyvinyl alcohol, cellulose solution, amide solution to modify, but the patent disclosed In putty, there are a lot of hydrophilic substances, and the water resistance and mildew resistance are poor. It is necessary to add corresponding functional additives to solve the problem of water resistance

[0007] In addition, Chinese patent CN101191024A discloses a kind of biological antibacterial anticracking putty powder and its preparation method, silicon dioxide, cement, calcium carbonate, binder are main ingredients, nano-silver oxide is used as antibacterial agent, has excellent waterproof, although the The patent records that the putty has high elasticity, but it is found in the actual use process that the elasticity is very poor

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