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A kind of exterior wall coating and material technology, applied in the direction of coating, etc., can solve the problems of poor durability, poor flexibility, foaming or re-emulsification
Inactive Publication Date: 2011-06-08
戚冬梅
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Problems solved by technology
The main manifestations are: 1. Poor durability, generally after 5 to 10 years, various performances will drop sharply; 2. Poor flexibility, easy to crack or peel off, seriously affecting appearance and other properties; 3. Poor alkali resistance, easy to appear in the dry season Foaming or re-emulsification
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[0024] The following is a specific embodiment of the present invention, each component mass fraction is
[0025] Deionized water 18%
[0026] Propylene Glycol 2.1%
[0027] Hydroxyethyl Cellulose 0.4%
[0028] Silica sand powder 3%
[0029] Dispersant 0.5%
[0030] Nonionic surfactant 0.1%
[0031] Defoamer 0.25%
[0032] Lignin 6.5%
[0033] Diatomaceous earth 10%
[0034] Potassium tripolyphosphate 0.09%
[0035] Titanium dioxide 14%
[0036] Zinc Oxide 3.5%
[0037] Nepheline powder 12%
[0038] Coalescing solvent 1%
[0039] Preservatives 0.4%
[0040] Acrylic copolymer emulsion 28.16%
[0041] The preparation method is: add deionized water, propylene glycol, hydroxyethyl cellulose, dispersant, nonionic surfactant, defoamer, potassium tripolyphosphate, titanium dioxide, zinc oxide, and nepheline powder in sequence under low-speed stirring Put it into a stainless steel bucket, mix well to make it highly dispersed, then add lignin, diatomaceous earth, and silic...
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Abstract
The invention provides an exterior wall coating. The coating is prepared from deionized water, propylene glycol, hydroxyethylcellulose, silica sand powder, dispersant, nonionic surfactant, defoamer, lignin, kieselguhr, potassium tripolyphosphate, titanium white, zinc oxide, nepheline syenite powder, coalescent solvent, preservative and acrylic copolymerizing emulsion. The exterior wall coating has the characteristics of high durability, high toughness, high alkali resistance and the like.
Description
technical field [0001] The invention belongs to the field of building materials and provides an exterior wall paint with high durability, high flexibility and high alkali resistance. technical background [0002] Exterior wall coatings are building materials, for which mechanical properties, durability, fire-resistance, health, flexibility, alkali resistance, waterproof, appearance, production, construction and environmental protection are usually considered. For the development of high-performance exterior wall coatings, many inventors have proposed solutions. [0003] For example, the Chinese patent "CN1308103 Latex exterior wall paint and its preparation method" provides a latex exterior wall paint, the main components are pigments and fillers, nanoparticles, additives A, additives B, polymer emulsion, additives C, water, etc. , after dispersing, stirring, mixing, grinding, toning, etc., the product is prepared, which can absorb and reflect ultraviolet light and prolong ...
Claims
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Application Information
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