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Inorganic dry powder coating composition and application method thereof

A technology of inorganic dry powder and application method, which is applied in the field of architectural coatings, and can solve the problems that the effect is affected by temperature, humidity and climate, the service life is affected, and the strength is not good.

Active Publication Date: 2017-04-12
ZHEJIANG ROAD NEW BUILDING MATERIALS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Through the search of the prior art, it is found that most of the existing inorganic coatings add anti-mildew and anti-bacteria components to realize the function of anti-mildew and anti-bacteria, but this effect is affected by temperature, humidity and climate; and the existing inorganic coatings are usually Due to poor strength, it affects the service life

Method used

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  • Inorganic dry powder coating composition and application method thereof
  • Inorganic dry powder coating composition and application method thereof
  • Inorganic dry powder coating composition and application method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] This embodiment relates to an inorganic dry powder coating composition, which includes the following components in parts by weight:

[0030]

[0031]

[0032] Mix all components evenly.

[0033] The product of this embodiment is applicable to all indoor and outdoor buildings, underground facilities, and road tunnels. When used as an interior wall dry powder coating for construction, the following steps are included:

[0034] 1. Coating preparation

[0035] First pour 9-10 kg of clear water into the prepared clean container, then pour 10 kg of dry powder paint into the container, dry powder paint: water = 1: 0.9-1 (weight ratio). Use a small electric mixer to fully stir the mixture in the container. After about 10 to 15 minutes, stir again for about 1 minute. When the mixture becomes a uniform paste and there are no agglomerates and powdery particles, the preparation of the construction raw materials is completed.

[0036] 2. Grassroots treatment

[0037] 1. Fi...

Embodiment 2

[0048] This embodiment relates to an inorganic dry powder coating composition, which includes the following components in parts by weight:

[0049]

[0050] Mix all components evenly.

[0051] At the request of the owner, 5-10 parts of color toner or color paste can also be added to the composition of the present invention. The performance of dry powder coatings remains consistent.

[0052] When the product of this embodiment is used as an exterior wall dry powder coating for construction, it may comprise the following steps:

[0053] 1. Coating preparation

[0054] First pour 8 kg of clean water into the prepared clean container, then pour 10 kg of dry powder paint into the container, the ratio of water to powder is 0.8 to 1. Use a small electric mixer to fully stir the mixture in the container. After about 10 to 15 minutes, stir again for about 1 minute. When the mixture becomes a uniform paste and there are no agglomerates and powdery particles, the preparation of the c...

Embodiment 3

[0072] Embodiment 3, performance test

[0073] According to GB / T1741-2007 " paint film mold resistance assay method " the inorganic dry powder coating that embodiment 1, 2 makes is tested, and result is as shown in table 1:

[0074] Table 1

[0075] Class I standard requirements Class II standard requirements Example 1 Example 2 in conclusion Antibacterial performance (%) ≥99 ≥90 99.2-99.4 99.5-99.8 qualified Antibacterial durability (%) ≥95 ≥85 95.1-95.3 95.6-97.5 qualified Anti-mold performance (grade) 0 1 0 0 qualified Anti-mold durability (grade) 0 1 0 0 qualified

[0076] According to GB18582-2008 "Limitation of Hazardous Substances in Interior Decoration Materials and Interior Wall Coatings", the inorganic dry powder coatings prepared in Examples 1 and 2 are tested for VOC content, and the results are as shown in Table 2:

[0077] Table 2

[0078]

[0079] According to JG / T26-2002 "external wall i...

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Abstract

The invention discloses an inorganic dry powder paint composition and an application method thereof. The inorganic dry powder paint composition comprises the following components in parts by weight: 1-1.2 parts of hydroxyethyl cellulose, 0.8-1.2 parts of hydroxypropyl methyl cellulose, 1.2-1.5 parts of polyvinyl alcohol, 1.2-1.5 parts of redispersible latex powder, 0.1-0.2 part of organic silicon, 0.2-0.5 part of an antifoaming agent, 4-6 parts of nano silica, 4-6 parts of titanium dioxide, 10-15 parts of white cement, 30-50 parts of light calcium powder and 40-60 parts of heavy calcium powder. The inorganic dry powder paint composition is internal and external wall coating treating paint which has a hydraulic property and is composed of natural ultrafine powder and high molecular polymer, is powdery, non-toxic, and odourless, does not contain formaldehyde or VOC (volatile organic compound), and has an excellent filling property, an excellent binding property and an excellent application property, thereby being ideal wall surface coating paint.

Description

technical field [0001] The invention relates to the technical field of architectural coatings, in particular to an inorganic dry powder coating composition and an application method thereof. Background technique [0002] China is a country with rapid economic development. The consumption of coatings is growing at a rate of 30% per year, ranking first in the world. Almost all paint giants in the world are gathering in China, intending to carve up this huge cake (the annual output of Dulux factory alone is 45 million barrels of 25kg / barrel). [0003] Traditional paint, also known as latex paint, is an organic chemical product, also known as organic paint. Film-forming substances generally include: pure acrylic emulsion, styrene-acrylic emulsion, vinegar-acrylic emulsion, vinyl emulsion, fluorocarbon emulsion, etc., plus dispersants, defoamers, antifreeze agents, pH regulators, thickeners and other raw materials are basically Organic ingredients, so harmful substances such as...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B38/00C04B28/04
Inventor 陈凰祥
Owner ZHEJIANG ROAD NEW BUILDING MATERIALS LTD