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Organic/inorganic composite heat insulation coating and preparation method thereof

An inorganic composite and heat-insulating coating technology, applied in the field of chemical coatings, can solve problems such as insufficient adhesion, poor alkali resistance and stain resistance, and easy generation of harmful gases, so as to enhance adhesion, prevent coatings from mildewing, The effect of excellent abnormal temperature luminescence performance

Inactive Publication Date: 2018-03-02
南京洞见环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the process of research and practice of the prior art, the inventor of the present invention found that the used binder of this type of coating is an organic binder and the consumption is large, while the organic binder is mechanically bonded to the surface of the object, and the bond Insufficient strength, easy to fall off, poor alkali resistance and stain resistance, generally not flame retardant, and easy to generate harmful gases; at the same time, this type of coating also needs a variety of additives, the composition is complex, resulting in complex preparation process and high cost

Method used

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  • Organic/inorganic composite heat insulation coating and preparation method thereof
  • Organic/inorganic composite heat insulation coating and preparation method thereof
  • Organic/inorganic composite heat insulation coating and preparation method thereof

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preparation example Construction

[0055] see figure 1 , figure 1It is a schematic diagram of an embodiment of the preparation method of the organic-inorganic composite thermal insulation coating of the present invention. The present invention also provides a method for preparing an organic-inorganic composite heat-insulating coating. The method of this embodiment is the preparation method of the above-mentioned organic-inorganic composite heat-insulating coating. For details about the relevant content, please refer to the above-mentioned organic-inorganic composite heat-insulating coating part and will not be repeated here. The method comprises the steps of:

[0056] S101: Weighing 18%-42% by weight of water glass, adding a predetermined mass of water to dissolve, then adding a predetermined mass of glycolic acid aqueous solution dropwise, stirring and mixing to prepare a mixture A;

[0057] S102: Weigh 8%-25% by weight of hollow glass microspheres and 5%-20% by weight of zinc oxide, add a predetermined mas...

Embodiment 1

[0077] Weigh 20g of water glass, add 30ml of water to dissolve, then add dropwise 4g of glycolic acid aqueous solution with a mass concentration of 25%, stir and mix, and prepare mixture A for later use;

[0078] Weigh 10g of hollow glass microspheres and 5g of zinc oxide in another flask, add 30ml of water, stir at room temperature for 1 hour, and prepare mixture B for later use;

[0079] Weigh 13g of acrylic emulsion into another flask, mix mixture A and mixture B evenly, add to the acrylic emulsion, stir at room temperature for 1 hour, and prepare coating sample 1.

Embodiment 2

[0081] Weigh 35g of water glass, add 40ml of water to dissolve, then dropwise add 7g of glycolic acid aqueous solution with a mass concentration of 25%, stir and mix, and prepare mixture A for subsequent use;

[0082] Weigh 13g of hollow glass microspheres and 14g of zinc oxide in another flask, add 50ml of water, and stir at room temperature for 2.5 hours to prepare mixture B for later use;

[0083] Weigh 8g of acrylic emulsion into another flask, mix mixture A and mixture B evenly, add to the acrylic emulsion, stir at room temperature for 2 hours, and prepare coating sample 2.

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Abstract

The invention discloses an organic / inorganic composite heat insulation coating and a preparation method thereof and belongs to the technical field of chemical coatings. The coating includes, by weight, 18-42% of sodium silicate, 10-25% of an acrylic emulsion, 8-25% of hollow glass microbeads, and 5-20% of zinc oxide. The coating is improved in adhesion force, alkaline resistance, pollution resistance and flame-retarding property, and also improves the water resistance, elasticity and glossiness of a coating film. The sodium silicate is low in cost and has abundant sources, so that cost of thecoating is effectively reduced.

Description

technical field [0001] The invention relates to the technical field of chemical coatings, in particular to an organic-inorganic composite heat-insulating coating and a preparation method thereof. Background technique [0002] The sun is the main source of energy for the earth and can bring vitality and vitality to all things in the world; sunlight is composed of 5% ultraviolet rays, 45% visible light, 45% infrared rays and 5% other electromagnetic radiation energy. Among them, visible light and infrared rays are heat rays, which are easily absorbed by objects and converted into heat energy, bringing high temperature to people. At the same time, too much ultraviolet light absorption will cause harm to the human body. [0003] In order to block ultraviolet rays and reduce heat radiation, people have developed various methods, such as parasols, awnings, etc. In order to enhance the sunshade effect, a layer of sunshade paint is often coated on the umbrella cloth, and the paint c...

Claims

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Application Information

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IPC IPC(8): C09D1/02C09D133/00C09D7/61C09D5/18C09D5/33C09D5/14C09D5/16
Inventor 蒋维晴王振兴刘坤
Owner 南京洞见环境科技有限公司
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