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Inorganic interior wall paint and preparation method thereof

A technology for interior wall coatings and inorganic coatings, applied in powder coatings, antifouling/underwater coatings, alkali metal silicate coatings, etc. Easy to flocculate, poor environmental performance of organic coatings and other problems, to achieve the effect of improving waterproof and acid-proof performance, excellent non-combustibility, and increasing service life

Inactive Publication Date: 2019-04-05
杭州琻泰环境科技有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a kind of inorganic interior wall coating and preparation method thereof, to solve the poor environmental performance of organic coatings, and conventional nano-inorganic coatings are often easy to flocculate, resulting in poor dispersibility, which in turn affects its stability, air permeability and Performance issues such as flame retardancy

Method used

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  • Inorganic interior wall paint and preparation method thereof
  • Inorganic interior wall paint and preparation method thereof
  • Inorganic interior wall paint and preparation method thereof

Examples

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preparation example Construction

[0037] The invention provides a kind of preparation method of inorganic interior wall paint, wherein, comprise the following steps:

[0038] 1) Modification of nano-potassium silicate: mixing nano-potassium silicate and water to obtain a nano-potassium silicate solution; adding a silane coupling agent to the above-mentioned prepared nano-potassium silicate solution to obtain modified nano-silicate Potassium;

[0039] 2) Preparation of powder coating preform: adding titanium dioxide and inorganic coating powder to the above-mentioned modified nano-potassium silicate and mixing to obtain a powder coating preform;

[0040] 3) Preparation of silicon emulsion: in the presence of a solvent, silicon dioxide and polyacrylate are mixed to prepare a silicon emulsion;

[0041] 4) Preparation of inorganic interior wall paint: mixing the powder paint preform prepared in step 2), the silicon emulsion, processing aid and water prepared in step 3), to prepare an inorganic interior wall paint...

Embodiment 1

[0066] 1) Modification of nano-potassium silicate: 3 parts by weight of nano-potassium silicate, 100 parts by weight of water and 0.3 parts by weight of an antifoaming agent were mixed and stirred for 5 minutes at a stirring rate of 600r / min to prepare a nano-potassium silicate solution; Add 0.1 parts by weight of vinyltrimethoxysilane dropwise at a rate of addition of 100 drops / min in the nano-potassium silicate solution prepared above to obtain modified nano-potassium silicate;

[0067] 2) Preparation of powder coating prefabricated body: Add 5 parts by weight of titanium dioxide and 80 parts by weight of inorganic coating powder (montmorillonite and kaolin are mixed according to 2:1) in the modified nano-potassium silicate prepared above at 1500r / min Mixing and stirring at a stirring speed for 35 minutes to prepare a powder coating preform;

[0068] 3) Preparation of silicon emulsion: Mix 10 parts by weight of silicon dioxide and 5 parts by weight of ethanol to prepare a su...

Embodiment 2

[0071] 1) Modification of nano-potassium silicate: 8 parts by weight of nano-potassium silicate, 100 parts by weight of water and 0.5 parts by weight of an antifoaming agent were mixed and stirred for 5 min at a stirring rate of 600r / min to prepare a nano-potassium silicate solution; Add 0.3 parts by weight of vinyltrimethoxysilane dropwise at a rate of addition of 200 drops / min in the nano-potassium silicate solution prepared above to obtain modified nano-potassium silicate;

[0072] 2) Preparation of powder coating preform: add 10 parts by weight of titanium dioxide and 120 parts by weight of inorganic coating powder (montmorillonite and kaolin are mixed according to 2:1) in the modified nano-potassium silicate prepared above with 1500r / min Mixing and stirring at a stirring speed for 35 minutes to prepare a powder coating preform;

[0073] 3) Preparation of silicon emulsion: mix 10 parts by weight of silicon dioxide and 10 parts by weight of ethanol to prepare a silicon diox...

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Abstract

The invention provides an inorganic interior wall paint and a preparation method thereof. The preparation method comprises, mixing nanometer potassium silicate and water to obtain a nanometer potassium silicate solution; adding silane coupling agent into the nanometer potassium silicate solution to obtain modified nanometer potassium silicate; mixing titanium dioxide and inorganic paint into the modified nanometer potassium silicate to obtain a powder paint precursor; with existence of solvent, mixing silicon dioxide and polyacrylate to obtain a silicon emulsion; mixing the powder paint precursor, the silicon emulsion, processing auxiliaries and water to obtain the inorganic interior wall paint. The applied inorganic paint powder is at least composed of at least one of montmorillonite, kaolin, bentonite and attapulgite. The preparation method of the inorganic interior wall paint can improve the stability, and under the premise of ensuring the advantage of high environmental protectionproperty, can avoid aggregation to further improve the application performance.

Description

technical field [0001] The invention relates to the field of inorganic coatings, in particular to an inorganic interior wall coating and a preparation method thereof. Background technique [0002] The modern world's economic leap and the high-speed development of world industrialization have led to a sharp deterioration of the earth's environment, and serious pollution threatens the living space of human beings. "Green" and "environmental protection" are the requirements for the coatings industry after people attach great importance to the protection of the ecological environment, and they are also the development direction of coatings. [0003] For a long time, organic coatings have been widely used for their good decoration, variety and low price. However, since the main raw materials of organic architectural coatings come from natural resources such as coal, oil, and natural gas, a large amount of by-products, volatile solvents, and residual monomers will be produced dur...

Claims

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Application Information

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IPC IPC(8): C09D1/04C09D5/03C09D5/14C09D7/61C09D7/65
CPCC09D1/04C09D5/033C09D5/14
Inventor 赖继平赖裕杰周梦娇
Owner 杭州琻泰环境科技有限公司
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