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High-adhesion environment-friendly sealing adhesive and preparation method thereof

A sealant and environment-friendly technology, applied in the direction of adhesive types, polymer adhesive additives, non-polymer adhesive additives, etc., can solve problems such as difficulty in application and low bonding strength, and reduce curing time, enhanced adhesive strength, and the effect of increased adhesive strength

Active Publication Date: 2021-04-30
SHANGHAI ANJIU PRINTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of the above-mentioned related technologies, the inventor believes that there is the following technical problem: when the above-mentioned water-based sealing glue is used to bond paper with high surface inertia such as butter paper and sulfuric acid paper, the bonding strength is small and it is difficult to apply

Method used

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  • High-adhesion environment-friendly sealing adhesive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～9

[0048]As shown in Table 1, the main difference between Examples 1 to 9 is different from those of the raw material ratio.

Embodiment 1

[0050]In Example 1, the fibrous flexure was used for glass fiber, and the forming stabilizer was selected from the form of soluble starch, and the film forming agent was used to select polyvinyl alcohol, and the dispersion centered was selected from the use of polyethylene glycol.

[0051]The preparation method of the sealing glue of Example 1 is as follows:

[0052]Weigh the fiber reinforcing agent and water, mix stirring, resulting in a mixture 1;

[0053]Stirring, referred to the forming stabilizer, xanthan gum and melum gum, adding mixtures 1, adjusting the temperature to 60 ° C, 120 r / min for 15 min, resulting in mixture 2;

[0054]The film forming agent, the polyethylene glycol is added to the mixture 2, and 120 r / min is stirred for 30 min to give a sealing glue.

[0055]Table 1

[0056]

Embodiment 10

[0058]The present embodiment differs from Example 9 in that the formulation also contains 3 kg of thickener and a thickener selectomanite.

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Abstract

The invention relates to the field of adhesives, and particularly discloses a high-adhesion environment-friendly sealing adhesive and a preparation method thereof. The sealing adhesive is prepared from 25-45 parts of xanthan gum, 8-15 parts of guar gum, 8-15 parts of a fiber reinforcing agent, 8-15 parts of a forming stabilizer, 3-6 parts of a film-forming agent, 4-8 parts of a dispersing aid and 20-40 parts of water. The preparation method comprises the following steps: mixing the fiber reinforcing agent with water, adding xanthan gum, guar gum and the forming stabilizer, and finally adding the film-forming agent and the dispersing aid. The xanthan gum, the guar gum, the fiber reinforcing agent and the forming stabilizer cooperate with one another to form a cross-linked network with a stable structure, so that the bonding strength of the sealing adhesive is enhanced, and the curing time of the sealing adhesive is shortened; and according to the preparation method disclosed by the invention, the fiber reinforcing agent is firstly added, and then the xanthan gum and the guar gum are added, so that the fiber reinforcing agent is fully dispersed in a cross-linked network.

Description

Technical field[0001]The present application relates to the field of adhesives, and more particularly, it involves a highly adoptic environmentally friendly sealing glue and its preparation method thereof.Background technique[0002]The sealing glue is also known as the edge of the edge, the paper-plastic adhesive is a watermastic glue that is bonded to the package, packaging paper edge and bottom. In general, the sealing adhesive has better painting resistance and initial adhesion, and has a good penetration of some of the film adhesive surfaces and the light surface.[0003]In the relevant technique, the sealing gum can be roughly divided into oily sealing glue, hot melt adhesive and aqueous sealing glue.[0004]The toxicity and pollution of oily sealing gum are large, and some special products that have high adhesive requirements are still useful in using oily sealing glue. There are already small products in the market;[0005]The hot melt glue is an adhesive which is mixed with ethylen...

Claims

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Application Information

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IPC IPC(8): C09J105/00C09J101/02C09J11/04C09J11/08
CPCC09J105/00C09J11/04C09J11/08C08L2205/025C08L2205/035C08L5/00C08K7/14C08L1/02
Inventor 江凯强
Owner SHANGHAI ANJIU PRINTING