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Mildew-proof coating material suitable for apples and preparation method

A coating and anti-mildew technology, applied in the field of coatings, can solve the problems of short shelf life and low anti-mildew performance, and achieve the effects of extending the shelf life, improving anti-mildew performance and good anti-mildew performance.

Inactive Publication Date: 2018-08-03
CHANGDE JINDE NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides an anti-mildew coating suitable for apples and a preparation method to solve the problem that the existing coatings have low anti-mold performance and short shelf life when used in the storage of apples, and cannot meet people's needs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0040] Another aspect of this application provides a preparation method suitable for apple anti-mold paint, which includes the following steps:

[0041] Step 1: Weigh the raw materials according to the coating formula, add the anti-mold substance to the slow-release agent, and mix uniformly to obtain a mixture.

[0042] Step 2: Put the main resin and solvent into the stirring tank separately, and stir evenly.

[0043] Step 3: Add the auxiliary agent into the stirring tank and stir evenly.

[0044] Step 4: Slowly add the mixture dropwise to the stirring tank, stirring while adding dropwise, continue stirring for 0.5h after the dropwise addition is completed, then cool down, and transfer to the disperser for dispersion to obtain the anti-mold coating.

[0045] Optionally, the dropping speed of the mixture is 900 rpm.

[0046] Optionally, the rotation speed of the dispersing machine is 500-600rpm, and the dispersion time is 15min-30min.

[0047] As can be seen from the above technical soluti...

Embodiment 1

[0049] A preparation method of an anti-mold coating suitable for apples includes:

[0050] Step 1: Weigh 0.1 part of benzoate, 0.2 part of erythorbic acid, 0.1 part of gingerol, 0.1 part of chitosan, add it to 0.5 part of sustained-release agent, and mix uniformly to obtain a mixture.

[0051] Step 2: Add 15 parts of polyhydroxy acrylic resin and polyurethane resin, and 35 parts of solvent into the stirring tank, and stir evenly.

[0052] Step 3: Add 0.5 parts of auxiliary agent into the stirring tank and stir evenly.

[0053] Step 4: Slowly add the mixture dropwise to the stirring tank at a rate of 900 rpm. Stir while adding dropwise. After the dropwise addition, continue stirring for 0.5h, then cool down and transfer to the disperser for dispersion. The speed of the disperser is 500, the dispersion time is 30min, and the anti-mildew coating is obtained.

Embodiment 2

[0055] A preparation method of an anti-mold coating suitable for apples includes:

[0056] Step 1: Weigh 0.8 parts of benzoate, 1.2 parts of erythorbic acid, 0.6 parts of gingerol, 0.3 parts of chitosan, add them to 1 part of sustained-release agent, and mix them uniformly to obtain a mixture.

[0057] Step 2: Add 20 parts of polyhydroxy acrylic resin and polyurethane resin, and 45 parts of solvent into the stirring tank, and stir evenly.

[0058] Step 3: Add 1.1 parts of auxiliary agent into the stirring tank and stir evenly.

[0059] Step 4: Slowly add the mixture dropwise to the stirring tank at a rate of 900 rpm. Stir while adding dropwise. After the dropwise addition, continue stirring for 0.5h, then cool down and transfer to the disperser for dispersion. The speed of the disperser is 500rpm, the dispersion time is 30min, and the anti-mildew coating is obtained.

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PUM

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Abstract

The invention provides a mildew-proof coating material suitable for apples and a preparation method of the mildew-proof coating material. The mildew-proof coating material is prepared from the following raw materials in parts by weight: 15 to 35 parts of matrix resin, 0.5 to 10 parts of mildew-proof matter, 35 to 75 parts of solvent, 0.5 to 3 parts of assistant and 0.5 to 2.5 parts of controlled release agent, wherein the mildew-proof matter is prepared from 0.1 to 3 parts of benzoate, 0.2 to 4 parts of erythorbate, 0.1 to 2 parts of gingerol and 0.1 to 1 part of chitosan. The preparation method of the mildew-proof coating material comprises the following steps: step one, weighing the raw materials according to a formula of the mildew-proof coating material , adding the mildew-proof matterin the controlled release agent, and uniformly mixing, thus obtaining a mixture; step two, respectively adding the matrix resin and the solvent in a stirring kettle, and uniformly stirring; step three, adding the assistant in the stirring kettle, and uniformly stirring; step four, slowly and dropwise adding the mixture in the stirring kettle, stirring while dropwise adding, continuously stirringfor 0.5 hour, then cooling, and transferring and dispersing in a dispersing machine. The mildew-proof coating material provided by the invention has good mildew-proof performance, is toxic-free and pollution-free, and longer storage time can be given to the apples.

Description

Technical field [0001] The invention relates to the technical field of coatings, in particular to an anti-mold coating suitable for apples and a preparation method. Background technique [0002] Apple is a good beauty product, which can not only lose weight, but also make the skin smooth and soft. Apple is a kind of low-calorie food, which only produces 60 kilocalories per 100 grams. The nutrients in apples are highly soluble and easily absorbed by the human body, so it is called "living water", which helps to dissolve sulfur and make the skin smooth and soft. It is loved by people and is one of the fruits that are often eaten. [0003] Nutrients such as moisture and sugar contained in apples are easy to mold and spoil during storage and transportation, especially after the practical part is not easy to preserve. Produce harmful substances and germs, causing waste and unnecessary economic losses; it may even cause diseases due to accidental eating, which is not conducive to peopl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D175/04C09D5/14C09D7/63
CPCC09D133/00C08L2201/08C08L2205/03C09D5/14C09D7/63C09D175/04C08L75/04C08L5/08C08K5/098C08K5/1535C08K5/132C08K5/06C08K5/00C08L33/00
Inventor 余赞张孝龙钟文文彪田璐张礼罗辉罗臻钱正宇杜建军
Owner CHANGDE JINDE NEW MATERIAL TECH CO LTD