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Environment-friendly water-based adhesive for sealing boxes, and preparation method of environment-friendly water-based adhesive

An adhesive, environmentally friendly technology, applied in the direction of adhesive types, grafted polymer adhesives, non-polymer adhesive additives, etc., can solve the problems of bonding requirements and unachievable bonding performance. Achieve the effect of excellent initial adhesion, good adhesion, high temperature resistance and low temperature resistance

Active Publication Date: 2016-07-27
XINXIANG HUAYANG ADHESIVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the VAE emulsion is used alone, its adhesive performance cannot meet the adhesive requirements of some materials. Therefore, how to modify the VAE emulsion and how to further improve the comprehensive performance of the VAE emulsion has become a research hotspot of scholars at home and abroad.

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0029] A preparation method of an environment-friendly water-based adhesive for sealing, characterized in that: the preparation method comprises the following steps:

[0030] Step 1: Deionized water is prepared by reverse osmosis, and the conductivity after preparation is 1-15 us / cm; the above-mentioned deionized water is divided into a first part of deionized water and a second part of deionized water;

[0031] Step 2: Mix the first part of deionized water and the cross-linking agent described in step 1 to prepare an aqueous solution of the cross-linking agent; the mass ratio between the first part of deionized water and the cross-linking agent is: 1:1;

[0032] Step 3: mixing 2-chloro-1,3-butadiene and acrylic acid to make a mixed solution; and dividing the mixed solution into a first part of the mixed solution and a second part of the mixed solution;

[0033] Step 4: Place the vinyl acetate-ethylene copolymer emulsion in a reaction kettle with an electric stirring device, ...

Embodiment 1

[0043] An environment-friendly water-based adhesive for sealing a box and a preparation method thereof. The water-based adhesive is prepared from the following raw materials in parts by weight: 10 parts of vinyl acetate-ethylene copolymer emulsion, 5 parts of polyvinyl alcohol aqueous solution, 10 parts of acrylic acid, 5 parts of 2-chloro-1,3-butadiene, 0.1 part of initiator, 0.5 part of crosslinking agent, 0.1 part of defoamer, 0.2 part of buffer and 5 parts of deionized water; the vinyl acetate - The ethylene copolymer emulsion adopts VAE emulsion, the viscosity of which is selected as 2000-4000cps, and the solid content is 50-60%; the solid content of the polyvinyl alcohol solution is 10-30%; the initiator is tert-butyl peroxide Hydrogen; the cross-linking agent is an aziridine cross-linking agent, its model is: XR-100, molecular formula: C 24 h 41 N 3 o 6 The defoaming agent is ethanol; the buffer is sodium bicarbonate; the conductivity of the deionized water is 1-15us...

Embodiment 2

[0057] An environment-friendly water-based adhesive for sealing a box and a preparation method thereof. The water-based adhesive is prepared from the following raw materials in parts by weight: 100 parts of vinyl acetate-ethylene copolymer emulsion, 50 parts of polyvinyl alcohol aqueous solution, 60 parts of acrylic acid, 40 parts of 2-chloro-1,3-butadiene, 3.0 parts of initiator, 5.0 parts of crosslinking agent, 0.5 part of defoamer, 1.0 part of buffer and 35 parts of deionized water; the vinyl acetate - The ethylene copolymer emulsion adopts VAE emulsion, the viscosity of which is 2000-4000cps, and the solid content is 50-60%; the solid content of the polyvinyl alcohol solution is 10-30%; the initiator is cumene peroxide Hydrogen; the cross-linking agent is an aziridine cross-linking agent, its model is: XR-100, molecular formula: C 24 h 41 N 3 o 6 The defoamer is ethanol; the buffer is one of sodium bicarbonate or sodium acetate; the conductivity of the deionized water i...

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Abstract

The invention belongs to an environment-friendly water-based adhesive for sealing boxes, and a preparation method of the environment-friendly water-based adhesive; the environment-friendly water-based adhesive is prepared from the following raw materials in parts by weight: 10-100 parts of vinyl acetate-ethylene copolymer emulsion, 5-50 parts of a polyvinyl alcohol water solution, 10-60 parts of acrylic acid, 5-40 parts of 2-chloro-1,3-butadiene, 0.1-3.0 parts of an initiator, 0.5-5.0 parts of a cross-linking agent, 0.1-0.5 part of a deforming agent, 0.2-1.0 part of a buffer agent and 5-35 parts of deionized water. The environment-friendly water-based adhesive has the advantages of being excellent in initial adhesion, good in adhesion to a film, environment-friendly, good in high temperature resistance and low temperature resistance, high in bonding strength for paper-plastic sealing packaging boxes with low surface energy and good in ageing-resistant performance.

Description

technical field [0001] The invention belongs to the technical field of water-based adhesives, and in particular relates to an environment-friendly water-based adhesive for box sealing and a preparation method thereof. Background technique [0002] With the continuous development of adhesive technology, the application fields of adhesive products are becoming more and more extensive. As an important auxiliary material, the adhesive uses its own viscosity to bond two identical or different materials together, mainly in three types: liquid, paste, and solid. Water-based adhesives use water as a dispersant or solvent in the preparation process, replacing toxic organic solvents that pollute the environment, and have the advantages of cleanness, no pollution, no toxicity, safe use, and simple production processes. VAE emulsion has good mechanical properties, strong acid and alkali resistance, aging resistance, good film formation and wet viscosity, fast curing speed, widely used ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J151/06C09J129/04C09J11/06C09J11/04C08F263/04C08F220/06C08F236/18
CPCC08F263/04C08L2201/08C09J11/04C09J11/06C09J151/06C08L29/04C08K5/3412C08F220/06
Inventor 毕同召马金玲
Owner XINXIANG HUAYANG ADHESIVE
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