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Preparation method of anti-aging coating layer on surface of fertilization tank

A fertilization tank, aging-resistant technology, applied in coatings, anti-corrosion coatings, etc., to achieve the effect of improving anti-corrosion protection, improving service life, excellent mechanical properties and aging resistance

Inactive Publication Date: 2021-01-08
安徽军明机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method for preparing the anti-aging coating on the surface of fertilization tanks to solve the deficiencies in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0043] A method for preparing an anti-aging coating on the surface of a fertilization tank, comprising the following steps:

[0044] (1) Emulsion preparation:

[0045] Add the emulsifier to deionized water, stir evenly, then add styrene, butyl acrylate, acrylic acid, N-methylol acrylamide, and sodium bicarbonate in sequence, and then stir at 800r / min for 2 hours to obtain a uniform white lotion;

[0046] N-Methylolacrylamide

[0047] Melting point: 74-75°C;

[0048] Density: 1.074;

[0049] Water solubility: <0.1 g / 100 mL at 20.5°C;

[0050] Content (Purity): 99.50%;

[0051] (2) Preparation of grafting agent:

[0052] Add L-aspartic acid and benzyl alcohol to the reaction kettle in sequence, then add concentrated sulfuric acid dropwise, stir and react in a water bath for 40-45min, then let stand for 1 hour, then adjust the pH of the reaction system to neutral, let stand 30min, then carry out vacuum filtration again, carry out recrystallization with distilled water, obt...

Embodiment 1

[0091] A method for preparing an anti-aging coating on the surface of a fertilization tank, comprising the following steps:

[0092] (1) Emulsion preparation:

[0093] Add the emulsifier to deionized water, stir evenly, then add styrene, butyl acrylate, acrylic acid, N-methylol acrylamide, and sodium bicarbonate in sequence, and then stir at 800r / min for 2 hours to obtain a uniform White emulsion; the mixing weight ratio of the emulsifier, deionized water, styrene, butyl acrylate, acrylic acid, N-methylol acrylamide, and sodium bicarbonate is 3:100:12:18:16:10. Described emulsifier is emulsifier OP-10.

[0094] (2) Preparation of grafting agent:

[0095] Add L-aspartic acid and benzyl alcohol to the reaction kettle in sequence, then add concentrated sulfuric acid dropwise, stir and react in a water bath for 40 minutes, then let stand for 1 hour, then adjust the pH of the reaction system to neutral, let stand for 30 minutes, Then carry out suction filtration under reduced pr...

Embodiment 2

[0106] A method for preparing an anti-aging coating on the surface of a fertilization tank, comprising the following steps:

[0107] (1) Emulsion preparation:

[0108] Add the emulsifier to deionized water, stir evenly, then add styrene, butyl acrylate, acrylic acid, N-methylol acrylamide, and sodium bicarbonate in sequence, and then stir at 800r / min for 2 hours to obtain a uniform White emulsion; the mixing weight ratio of the emulsifier, deionized water, styrene, butyl acrylate, acrylic acid, N-methylol acrylamide, and sodium bicarbonate is 4:105:15:22:18:12. Described emulsifier is emulsifier OP-10.

[0109] (2) Preparation of grafting agent:

[0110] Add L-aspartic acid and benzyl alcohol to the reaction kettle in sequence, then add concentrated sulfuric acid dropwise, stir and react in a water bath for 45 minutes, then let stand for 1 hour, then adjust the pH of the reaction system to neutral, let stand for 30 minutes, Then carry out suction filtration under reduced pr...

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Abstract

The invention discloses a preparation method of an anti-aging coating layer on the surface of a fertilization tank. The method relates to the technical field of agricultural equipment, and comprises the following steps: (1) preparing an emulsion; (2) preparing a grafting agent; (3) preparing an initiator solution; (4) preparing a coating emulsion; (5) preparing a coating layer; according to the method, the coating layer formed on the surface of the fertilization tank has excellent mechanical properties and aging resistance, and by adopting the method, the surface anti-corrosion protection of the fertilization tank can be greatly improved, so that the influence of the external environment on the tank body of the fertilization tank is reduced, and the service life of the fertilization tank is prolonged.

Description

technical field [0001] The invention belongs to the technical field of agricultural equipment, in particular to a method for preparing an aging-resistant coating on the surface of a fertilization tank. Background technique [0002] Fertilization tank is an essential product for filter fertilization in water-saving irrigation systems, also called pressure differential fertilization tank, which has a wide range of applications. The types of fertilization tanks are divided into: 15L, 25L, 100L, and 150L. Fertilizer tanks can be seen everywhere in orchards in many developed countries, and they are also widely used in greenhouse vegetable production in my country. The fertilization tank is generally composed of a liquid storage tank (fertilizer tank), a water inlet pipe, a fertilizer supply pipe, and a pressure regulating valve. The two thin pipes (bypass pipes) of the fertilization tank are connected to the main pipeline, and a throttle valve (ball valve or gate valve) is set b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/24C09D133/02C09D5/08C09D7/61C08F220/06C08F212/08C08F220/18C08F220/58C08F2/30C08F8/30
CPCC08F2/30C08F8/30C08F220/06C08F220/58C08K2201/011C09D5/08C09D133/02C09D133/24C09D7/61C09D7/70C08F212/08C08F220/1804C08K7/26
Inventor 王辅成
Owner 安徽军明机械制造有限公司