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Environmental-friendly texture coating composition and preparation method thereof

A texture coating and composition technology, which is used in antifouling/underwater coatings, coatings, and biocide-containing paints, etc., can solve the problem of the sum of glycol ether and micester content, the excessive heavy metal content, and the inability to meet environmental protection requirements. and other problems, to achieve the effect of improved aging resistance and good stain resistance

Inactive Publication Date: 2015-03-25
上海贝恒人居建设集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it often has problems such as volatile organic compounds (VOC), free formaldehyde content, the sum of glycol ether and melamine content, and excessive heavy metal content, which cannot meet environmental protection requirements.

Method used

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  • Environmental-friendly texture coating composition and preparation method thereof
  • Environmental-friendly texture coating composition and preparation method thereof
  • Environmental-friendly texture coating composition and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] This embodiment takes the preparation of 100kg water-based paint as an example, and its preparation method is as follows.

[0025] Weigh the ingredients according to the prescribed ratio, and the dosage (kg) of each raw material is as follows:

[0026]

[0027] The natural colored sand is 10-80 mesh; the emulsion is styrene-acrylic acid emulsion; the cellulose ether is hydroxypropyl methylcellulose ether (HPMC), the molecular weight is 10,000-50,000; the active adsorbent is activated clay, the mesh number 180-600 mesh; the particle size of heavy calcium carbonate is 1 μm; the film-forming aid is alcohol ester twelve; the fungicide is HY-6060 from Mayer Chemical.

[0028] The above-mentioned raw materials are weighed and prepared according to the proportion, and added and stirred according to the conventional paint process to obtain the water-based paint.

[0029] When using, it can be used according to the conventional texture paint construction process.

[0030] T...

Embodiment 2

[0035] This embodiment takes the preparation of 100kg water-based paint as an example, and its preparation method is as follows.

[0036] Weigh the ingredients according to the prescribed ratio, and the dosage of each raw material is as follows:

[0037]

[0038] The natural colored sand is 70-120 mesh; the emulsion is acrylate emulsion; the cellulose ether is hydroxypropyl methylcellulose ether, the molecular weight is 80,000-100,000; the active adsorbent is diatomite, the mesh number is 600-1100 mesh; the particle size of heavy calcium carbonate is 6 μm; the film-forming aid is alcohol ester twelve;

[0039] The above-mentioned raw materials are weighed and prepared according to the proportion, and added and stirred according to the conventional paint process to obtain the water-based paint.

[0040] The water-based paint prepared above has a volatile organic compound (VOC) content of ≤150g / L, a free formaldehyde content of ≤100mg / kg, a total content of glycol ether and ...

Embodiment 3

[0044] This embodiment takes the preparation of 100kg water-based paint as an example, and its preparation method is as follows.

[0045] Weigh the ingredients according to the prescribed ratio, and the dosage of each raw material is as follows:

[0046]

[0047] The natural colored sand is 110-180 mesh; the emulsion is styrene-acrylic acid emulsion and vinyl acetate-ethylene emulsion with a mass ratio of 1:1; the cellulose ether is hydroxypropyl methylcellulose ether (HPMC) with a molecular weight of 80,000 ~100,000; the active adsorbent is activated alumina, the mesh number is 1100-1500 mesh; the particle size of heavy calcium carbonate is 10μm; the film-forming aid is alcohol ester twelve; the fungicide is HY-6060 of Mayer Chemical .

[0048] The above-mentioned raw materials are weighed and prepared according to the proportion, and added and stirred according to the conventional paint process to obtain the water-based paint.

[0049]The water-based paint prepared abov...

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Abstract

The invention discloses an environmental-friendly texture coating composition and a preparation method thereof. The environmental-friendly texture coating composition comprises the following components in percentage by weight: 59%-62% of natural colored sand, 11.8%-15% of emulsions, 3.5%-4.5% of cellulose ether, 1%-2% of active adsorbents, 4%-6% of heavy calcium carbonate, 4%-6% of titanium dioxide, 0.3%-0.5% of film-forming auxiliary agents, 0.1%-0.2% of sterilizing agents and 9%-11% of water. When the environmental-friendly texture coating composition is prepared, the components are added and stirred according to a conventional coating process. The environmental-friendly texture coating mainly comprises fine graded fillers, the emulsions, other auxiliary agents, and the like, and the limit of harmful substances meets the requirement for GB 24408-2009 'limit of the harmful substance contained in an outer wall coating for building'. The environmental-friendly texture coating composition disclosed by the invention has good stain resistance and ageing resistance, is less in harmful substance limit by selectively adding the active adsorbents and capable of purifying the air, and has good coordination after being mixed with other materials.

Description

technical field [0001] The invention relates to the field of environment-friendly coatings, in particular to an environment-friendly texture coating composition and a preparation method thereof. Background technique [0002] With its infinitely varied three-dimensional textures, textured paints can be matched with multiple choices of personality. It can replace stone and exterior wall bricks, richly and vividly displaying a unique spatial perspective. Realize the weather resistance, anti-pollution, fire retardant, anti-virus and anti-bacteria of the building's external wall, and the base surface is more environmentally friendly, safe and economical, and has become a new technology for external wall construction. [0003] In order to create a three-dimensional texture, a large number of color fillers with larger particles are used in textured paints, and the gravity of a single particle is large; in addition, the proportion of color fillers in most textured paints is 70%-80%...

Claims

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Application Information

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IPC IPC(8): C09D125/14C09D133/08C09D131/04C09D5/16C09D5/28C09D7/12
CPCC08K2003/2241C09D125/14C08K2201/003C08K2201/005C08K2201/014C09D5/16C09D5/28C09D7/61C09D7/63C09D7/69C09D131/04C09D133/04
Inventor 谢旭东薛东升
Owner 上海贝恒人居建设集团有限公司
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