Building external wall environmental protection coating

Abstract

The invention belongs to the field of building materials and relates to a building external wall environmental protection coating. The building external wall environmental protection coating is combined by the following raw materials of, by weight, 10-15 parts of water, 40-50 parts of hand feeling padding, 15-20 parts of quartz sand, 8-13 parts of silicon-based activity glue, 6-9 parts of putty, 12-18 parts of diphenyl guanidine, 2-4 parts of zinc stearate, 1-3 parts of organic zirconium complex, 3-5 parts of dimethyl aniline, 4-7 parts of pentaerythritol and 3-6 parts of modified floating beads; the hand feeling padding is a mixture of polyurethane wool powder and elastic powder and acrylic wool powder and elastic powder; the modified floating bead preparation comprises the steps that pulverized fuel ash floating beads are fed in an efficient powder mixing machine with a spray head, a pre-prepared modified floating bead special sizing agent is sprayed quantitatively when stirring is performed at common temperature, the stirring continues for 20-30 min after the sizing agent is sprayed out, the mixture is discharged and baked at the temperature ranging from 95 DEG C to 105 DEG C, the baking temperature is controlled to range from 80 DEG C to 95 DEG C, the time is controlled to be 10-15 min, cooling is performed, and the screening grading is performed. The building external wall environmental protection coating has the advantages of being excellent in water water-retaining property, high in cohesiveness, good in alkali resistance, safe and capable of achieving environmental protection.

Description

technical field [0001] The invention belongs to the field of building materials and relates to an environmentally friendly coating for building exterior walls. Background technique [0002] At present, there are many kinds of decorative coatings. The imitation granite real stone paint is rich in the connotation of natural granite style, which shows the noble grade of granite. It is a new upgraded variety of traditional natural real stone paint, but its effect is not realistic. Existing building exterior wall products have the disadvantages of poor water retention, short opening time, low cohesiveness, and low environmental protection. In summer, they will cause the disadvantages of easy sand removal, fast drying, and high paint consumption per unit area in summer. [0003] CN101240145B (2013-12-4) discloses a one-component skin-like texture paint, but its cost is high, its application range is narrow, and its water retention is poor, its alkali resistance is weak, and its en...

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Problems solved by technology

[0002] At present, there are many kinds of decorative coatings. The imitation granite real stone paint is rich in the connotation of natural granite, which shows the noble grade of granite. It is a new upgraded variety of traditional natural real stone paint, but its effect is not realistic.

Existing building exterior wall products have the disadvantages of poor water retention, short opening time, low cohesiveness, and low environmental protection. In summer, they will cause the disadvantages of easy sand removal, fast drying, and high paint consumption per unit area.

[0003] CN101240145B (2013-12-4) discloses a one-component skin-like texture coating, but its cost is high, its application range is narrow, and its water retention is poor, its alkali resistance is weak, and its environmental protection needs to be improved

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