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Negative ion coating and preparation method thereof

An anion coating, anion technology, applied in the direction of alkali metal silicate coatings, coatings, etc., can solve the problems of lack of negative ion effect, influence of coating quality, easy agglomeration, etc., to reduce surface polarity, ensure stability, The effect of increasing the specific surface area

Inactive Publication Date: 2019-05-17
杭州琻泰环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a kind of negative ion paint and preparation method thereof, to solve the problem that the surface activity of negative ion materials is very high, so that single particles often cannot exist stably, which will cause phenomena such as agglomeration of them. Due to the existence of a large number of solvents in the paint, it is easier to agglomerate, so that it will not only fail to play the role of negative ions themselves, but will also have a greater impact on the quality of the paint.

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  • Negative ion coating and preparation method thereof
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preparation example Construction

[0039] The invention provides a kind of preparation method of negative ion paint, wherein, comprise the following steps:

[0040] 1) Preparation of modified negative ion material:

[0041] A. Mix methyl methacrylate and silane coupling agent to prepare mixture M1;

[0042] B. Under stirring conditions, add negative ion powder to the mixture M1 and mix to prepare the mixture M2;

[0043] C. Grinding the mixture M2 to obtain a slurry M3;

[0044] D, in nitrogen environment, and under the condition that the first solvent exists, polyvinyl alcohol, slurry M3 and initiator are mixed, and modified negative ion material is obtained;

[0045] 2) Preparation of negative ion paint:

[0046] E. Dispersing silicon dioxide in a second solvent, and then adding a surfactant to it to obtain a silica sol;

[0047] F, silicate and silica sol are mixed to prepare silica gel solution;

[0048] G. Mix silica gel liquid, modified negative ion material, processing aid and water to prepare negat...

Embodiment 1

[0072] 1) Preparation of modified negative ion material: Stir and mix 10 parts by weight of methyl methacrylate and 0.5 parts by weight of silane coupling agent under the condition of 600r / min for 15min to prepare mixture M1; heat in a water bath at 40°C Under certain conditions, add 20 parts by weight of anion powder to 10 parts by weight of mixture M1 and stir and mix for 10 minutes at a stirring rate of 300 r / min to obtain mixture M2; put mixture M2 into a ball mill for ball milling for 2 hours to obtain slurry M3; Under ambient conditions, 5 parts by weight of polyvinyl alcohol and 100 parts by weight of water are placed in a water bath at a temperature of 40°C and mixed; then 0.2 parts by weight of an initiator is added thereto to obtain a mixture M4; the above prepared mixture M4 Add 40 parts by weight of the slurry M3 and stir and mix to obtain a modified negative ion material;

[0073] 2) Preparation of negative ion paint: 10 parts by weight of silicon dioxide are disp...

Embodiment 2

[0075] 1) Preparation of modified anion material: Stir and mix 10 parts by weight of methyl methacrylate and 2 parts by weight of silane coupling agent under the condition of 1000r / min for 15min to prepare mixture M1; heat in a water bath at a temperature of 50°C Under certain conditions, add 30 parts by weight of negative ion powder to 10 parts by weight of mixture M1 and stir and mix for 10 minutes at a stirring rate of 500 r / min to obtain mixture M2; put mixture M2 into a ball mill for ball milling for 5 hours to obtain slurry M3; Under ambient conditions, 10 parts by weight of polyvinyl alcohol and 100 parts by weight of water are placed in a water bath at a temperature of 50° C. and mixed; then 0.6 parts by weight of an initiator is added thereto to obtain a mixture M4; the above prepared mixture M4 Add 70 parts by weight of the slurry M3 and stir and mix to obtain a modified negative ion material;

[0076] 2) Preparation of negative ion paint: 40 parts by weight of silic...

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Abstract

The invention provides negative ion coating and a preparation method thereof. The preparation method comprises the steps: (1) a modified negative ion material is prepared, specifically, A, methyl methacrylate and a silane coupling agent are mixed to prepare a mixture M1; B, under the stirring condition, negative ion powder is added into the mixture M1 to be mixed to prepare a mixture M2; C, the mixture M2 is ground to prepare slurry M3; and D, under the nitrogen environment and existence of a first solvent, polyethylene alcohol, the slurry M3 and an initiator are mixed to prepare the modifiednegative ion material; and (2) the negative ion coating is prepared, specifically, E, silicon dioxide is dispersed in a second solvent, and then a surfactant is added into the mixture to prepare a silica sol; F, silicate and the silica sol are mixed to prepare silica gel liquid; and G, the silica gel liquid, the modified negative ion material, a processing aid and water are mixed to prepare the negative ion coating. The effects that agglomeration is effectively prevented, a negative ion role is played, and the using performance of the coating is further improved are achieved.

Description

technical field [0001] The invention relates to the field of paint materials, in particular to a negative ion paint and a preparation method thereof. Background technique [0002] Negative ion powder is a kind of composite mineral powder that is artificially synthesized or prepared through proportioning by using the principle of negative ions produced in nature. It can radiate far-infrared rays, generate negative oxygen ions, and absorb due to its long-lasting charging performance, making it widely used in the fields of environmental protection, biomedicine and health care, daily chemical products, and industrial building materials. At the same time, due to the large specific surface area of ​​negative ion powder, its piezoelectricity and pyroelectricity are better under slight changes, which makes it a hot spot among healthy materials. [0003] However, my country's research on negative ion powder is relatively backward, and most of the applications of negative ion powder ...

Claims

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Application Information

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IPC IPC(8): C09D1/02C09D7/62
Inventor 赖继平赖裕杰周梦娇
Owner 杭州琻泰环境科技有限公司