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A kind of preparation method of water-resistant environment-friendly beer label glue

A beer and labeling technology, which is applied in the field of preparation of water-resistant and environmentally friendly beer label glue, can solve the problems of endangering human health and polluting the environment, and achieve good stability, strong adhesive force, and easy label removal.

Active Publication Date: 2022-04-08
SHENZHEN LICHANGSHI ADHESIVE PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional chemical glue releases harmful gases such as formaldehyde in the process of making glue and using it, which pollutes the environment and endangers human health.

Method used

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  • A kind of preparation method of water-resistant environment-friendly beer label glue
  • A kind of preparation method of water-resistant environment-friendly beer label glue

Examples

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Embodiment 1

[0018] A method for preparing water-resistant and environmentally friendly beer label glue, comprising: (1) blending defatted soybean protein powder and water 1:3 and stirring evenly, adjusting the pH to 12 with 12% NaOH, reacting in an oven at 100°C for 2 hours, cooling at room temperature with 10% Adjust the pH to 5 with HCL, and keep the materials for later use; (2) Mix and stir water and polyvinyl alcohol 1:1 in a 100°C water bath for 20mim, and cool to 60°C; (3) Mix the solution obtained in step 2 with the solution obtained in step 1 , mix and disperse at a ratio of 2:1 for 30 minutes; (4) Add polyphosphoric acid and thickener at 60°C to the solution in step 3 under stirring, add polypropylene plastic flow agent at 40°C, and add defoaming agent at room temperature agent, each stirred for 10 min, filtered and discharged.

[0019] The thickener is sodium starch phosphate. The molecular weight of the polyvinyl alcohol is 110000-130000. The added amount of the polyphosphori...

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Abstract

The invention provides a method for preparing water-resistant and environmentally friendly beer label glue. (1) Blend defatted soybean protein powder and water 1:3 and stir evenly, adjust the pH to 12 with 12% NaOH, react in an oven at 100°C for 2 hours, and cool at room temperature for 10 %HCL to adjust the pH to 5, and the materials are for later use; (2) water and polyvinyl alcohol 1:1 are blended and stirred for 20mim in a water bath at 100°C, and cooled to 60°C; (3) the solution obtained in step 2 is mixed with the solution obtained in step 1 Solution, mix and disperse for 30 minutes according to the ratio of 2:1; (4) Add polyphosphoric acid and thickener to the solution in step 3 in turn under stirring state at 60°C, add polypropylene plastic flow agent at 40°C, and add disinfectant at room temperature Foaming agent, stirred for 10 minutes each, filtered and discharged.

Description

technical field [0001] The invention belongs to the field of glue materials, and in particular relates to a preparation method of water-resistant and environment-friendly beer label glue. Background technique [0002] With the continuous improvement of living standards of urban and rural residents, people's demand for bottled beer is increasing, and it must be chilled before drinking. At present, the general label glue used by many manufacturers cannot withstand water immersion, so it is very urgent to develop water-resistant label glue. Traditional chemical glue releases harmful gases such as formaldehyde in the process of making glue and using it, which pollutes the environment and endangers human health. Therefore the research on the novel green label adhesive with natural material as matrix is ​​particularly urgent. Contents of the invention [0003] The invention provides a method for preparing water-resistant and environmentally friendly beer label glue. Natural so...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J129/04C09J189/00C09J11/04C09J11/08
CPCC09J129/04C09J11/04C09J11/08C08L2205/03C08K2003/329C08L89/00C08L3/06C08K3/32
Inventor 李立唐贤坤
Owner SHENZHEN LICHANGSHI ADHESIVE PROD
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