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A kind of transparent milk powder lid coating and preparation method thereof

A milk powder, transparent technology, applied in the direction of polyester coatings, anti-corrosion coatings, polyamide coatings, etc., can solve the problem of miscellaneous components, etc., achieve the effect of simple preparation method, strong impact resistance, and favorable mass production

Active Publication Date: 2022-02-18
江苏扬瑞新型材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, the coatings for can lids have complex components, and the wear resistance and processing performance still need a lot of room for improvement.

Method used

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  • A kind of transparent milk powder lid coating and preparation method thereof
  • A kind of transparent milk powder lid coating and preparation method thereof
  • A kind of transparent milk powder lid coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-6

[0046] The formula of embodiment 1-6 is as shown in table 1:

[0047] Table 1.

[0048]

[0049]

Embodiment 5-10

[0051] The formula of embodiment 5-10 is as shown in table 2:

[0052] Table 2.

[0053] number of copies Example 6 Example 7 Example 8 Example 9 Example 10 polyester resin 60 60 60 55 65 amino resin 10 10 10 10 10 Isocyanate 5 5 5 5 5 Defoamer 0.04 0.04 0.04 0.04 0.04 catalyst 0.14 0.14 0.14 0.14 0.14 wax powder 0.35 0.35 0.35 0.35 0.35 Cellulose 0.2 0.2 0.2 0.2 0.2 solvent 20 20 20 20 20 sodium alginate 0.1 0.05 0.15 0.1 0.1 Konjac Glucomannan 0.05 0.08 0.02 0.05 0.05

Embodiment 1-10 and comparative example 1-5

[0059] Embodiment 1-10 and comparative example 1-5 are all prepared according to the following method:

[0060] (1) Pump the polyester resin, amino resin and isocyanate used in the formula into the reaction kettle with a diaphragm pump, mix and stir, the stirring temperature is 25°C, the rotation speed is 600rpm, and the stirring time is 10min. After stirring evenly, add the defoaming in the prescribed amount Agent, catalyst, continue to stir to obtain mixture 1;

[0061] (2) Disperse the wax powder, sodium alginate, konjac glucomannan, and solvent in a homogenizer at a high speed to obtain a mixture 2;

[0062] (3) Add mixture 2 into mixture 1, stir evenly, and filter with a filter bag of 5 μm to obtain the transparent milk powder cover coating.

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PUM

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Abstract

The invention discloses a transparent milk powder cover coating and a preparation method thereof, belonging to the technical field of coatings. The transparent milk powder cover coating of the present invention comprises by weight: 50-70 parts of polyester resin, 5-15 parts of amino resin, 2-8 parts of isocyanate, 0.02-0.05 part of defoamer, 0.05-0.2 part of catalyst, 0.2 part of wax powder ‑0.5 parts, cellulose 0.1‑0.3 parts and solvent 10‑30 parts. The composition of the transparent milk powder cap coating of the present application is simple, requires less equipment, and the wear resistance and processing performance of the product are greatly improved, which can meet the needs of milk powder cap packaging, transportation and use.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a transparent milk powder cover coating and a preparation method thereof. Background technique [0002] Volatile organic compounds can pollute the atmosphere and may cause the earth's temperature to rise. Therefore, it is necessary to reduce the emission of volatile organic compounds into the atmosphere. In terms of coating application, there are corresponding requirements for the earth's environment, working environment and safety and sanitation. Among the coatings used for filling containers, water-based coatings have also begun to attract people's attention. Among them, since the can end material requires riveting and scratch processing, the can end coating is required to have high processing performance. Good abrasion resistance is also very important considering the friction and scratches the package is subjected to during transport. For milk powder cap coatin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D167/00C09D167/06C09D161/24C09D161/28C09D177/06C09D5/08C09D7/65
CPCC09D167/00C09D167/06C09D5/08C09D7/65C08L2205/035
Inventor 蒋磊张亮何洋洋周旭
Owner 江苏扬瑞新型材料股份有限公司