Ecotypic-gypsum-based dry powder coating

A basic dry powder, ecological technology, applied in the field of ecological gypsum-based dry powder coatings, can solve the problems of high packaging cost and transportation cost, poor durability, easy cracking, etc., and achieve good economic benefits, simple production technology and equipment, and hiding power. strong effect

Inactive Publication Date: 2011-09-07
长沙归一新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Existing water-based paints use water as a solvent, greatly reducing pollutants, but there are also disadvantages: high packaging costs and transportation costs
However, the currently wide...

Method used

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  • Ecotypic-gypsum-based dry powder coating

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The distribution ratio of each component in this embodiment: gypsum powder 35kg, superfine slag powder 20kg, white cement 5kg, quicklime 6kg, light calcium carbonate 16.7kg, titanium dioxide 8kg, polyvinyl alcohol micropowder 8kg, bentonite 1kg, sodium hexametaphosphate 0.1 kg, methylcellulose 0.1kg, polysiloxane 0.1kg.

[0026] Put the above-mentioned raw materials into a high-efficiency mixer, stir for 15 minutes, mix thoroughly, and serve. It can be used after adding appropriate amount of water and fully reconciling. The weight ratio of dry powder to water is 1:0.9.

Embodiment 2

[0028] The distribution ratio of each component in this embodiment: gypsum powder 50kg, superfine slag powder 9kg, white cement 5kg, quicklime 2kg, light calcium carbonate 22.6kg, titanium dioxide 4kg, polyvinyl alcohol micropowder 6kg, bentonite 1kg, sodium hexametaphosphate 0.1 kg, ethyl cellulose 0.15kg, polyol beauty defoamer 0.15kg.

[0029] Put the above-mentioned raw materials into a high-efficiency mixer, stir for 15 minutes, mix thoroughly, and serve.

[0030] When using, add appropriate amount of water to fully reconcile, the weight ratio of dry powder to water is 1:0.9.

Embodiment 3

[0032] The distribution ratio of each component in this embodiment: gypsum powder 59kg, slag powder 8kg, white cement 5kg, quicklime 3kg, light calcium carbonate 9.6kg, titanium dioxide 4kg, polyvinyl alcohol micropowder 10kg, bentonite 1kg, sodium hexametaphosphate 0.1kg, Ethyl methylcellulose 0.15kg, polysiloxane 0.15kg.

[0033] Put the above-mentioned raw materials into a high-efficiency mixer, stir for 15 minutes, mix well, and serve.

[0034] When using, add appropriate amount of water to fully reconcile, the weight ratio of dry powder to water is 1:0.9.

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Abstract

The invention discloses an ecotypic-gypsum-based dry powder coating. The coating comprises the following components in percentage by weight: 35 to 70 percent of gypsum powder, 10 to 20 percent of slag powder, 5 to 10 percent of white cement, 2 to 6 percent of exciting agent, 0 to 26 percent of filler, 1 to 10 percent of pigment, 6 to 10 percent of tackifier, 1 to 2 percent of thixotropic agent, 0.1 to 0.5 percent of dispersing agent, 0.05 to 0.5 percent of water-retaining agent, and 0.1 to 0.5 percent of antifoaming agent. The raw materials are easily obtained; the production process and equipment are simple; during construction, the coating can be mixed with cold water, can be used for roller coating and brush coating, has high covering power, can also be scumbled, and can be connected firmly; and powder does not fall off, and the indoor humidity can be adjusted.

Description

technical field [0001] The invention relates to a gypsum-based dry powder coating, in particular to an ecological gypsum-based dry powder coating with gypsum slag powder as the main component. Background technique [0002] With the improvement of people's living standards, the awareness of health and environmental protection has become more and more popular, and the organic volatiles emitted by solvent-based coatings will pollute the environment and cause harm to people's health. [0003] Existing water-based paint uses water as a solvent, greatly reducing pollutants, but it also has defects: high packaging costs and transportation costs. [0004] Dry powder coatings are easy to pack and easy to transport, which greatly reduces the cost. However, the currently widely used coating filler particles and film-forming substances are mainly physically connected to each other, rather than connected by chemical bonding, which has poor durability and is prone to cracking and peeling...

Claims

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Application Information

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IPC IPC(8): C04B28/14C04B18/12
CPCC04B28/16C04B40/0608Y02W30/91C04B7/00C04B14/28C04B18/141C04B22/143C04B2103/0085C04B2103/10C04B2103/408C04B2103/44C04B2103/46C04B2103/50C04B2103/54C04B14/042C04B14/104C04B14/305C04B14/308C04B20/008C04B22/064C04B22/16C04B24/023C04B24/2623C04B24/383C04B24/42
Inventor 石宗利徐松梅
Owner 长沙归一新材料科技股份有限公司
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