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Carton composite adhesive and preparation method thereof

A composite adhesive and carton technology, applied in the direction of adhesives, natural rubber adhesives, adhesive types, etc., can solve the problems of human and environmental hazards, decreased bonding strength, emulsion damage, etc., to meet the requirements of rapid production, initial adhesion, etc. High force and fast curing effect

Inactive Publication Date: 2013-10-23
滁州市鑫彩印务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some adhesives will release free formaldehyde in the process of production and application, which is seriously harmful to the human body and the environment; some adhesives have poor water resistance and moisture resistance, are easy to absorb moisture in humid air, and have low bonding strength; Creep phenomenon occurs, which reduces the bonding strength, and it is easy to freeze when stored below -5°C, which damages the emulsion, thus greatly limiting its application

Method used

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Embodiment Construction

[0010] A carton composite adhesive, made of the following raw materials in parts by weight (kg): urea 4, polyvinyl alcohol 12, melamine 4, tea polyphenol 2, guar gum 5, sodium hexametaphosphate 2, pure acrylic emulsion 8, Itaconic acid 3, potassium persulfate 2, natural latex 5, styrene-acrylic emulsion 12, Cross-linking agent TAIC4, Morpholine 1, water 100.

[0011] The preparation method of described carton composite adhesive comprises the following steps:

[0012] (1) Add urea, melamine, tea polyphenols, guar gum, sodium hexametaphosphate, itaconic acid, and morpholine into water, heat to 60-70°C, then add potassium persulfate, and stir for 1-2 hours ;

[0013] (2) Mix the materials in step (1) with other remaining materials, heat to 50-60°C, stir and react for 1-2 hours to obtain the product.

[0014] The adhesive prepared by the invention is tested: after 4 hours, the bonding strength reaches 11Mpa, and the water resistance is good. After bonding, soak in water at 40...

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PUM

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Abstract

The invention relates to a carton composite adhesive. The invention is characterized in that the carton composite adhesive is prepared from the following raw materials in parts by weight: 4-5 parts of urea, 12-15 parts of polyvinyl alcohol, 4-5 parts of melamine, 1-2 parts of tea polyphenol, 4-5 parts of guar gum, 1-2 parts of sodium hexametaphosphate, 6-8 parts of pure acrylic emulsion, 2-3 parts of itaconic acid, 2-3 parts of potassium persulfate, 4-5 parts of natural emulsion, 10-12 parts of styrene-acrylic emulsion, 3-4 parts of crosslinking agent TAIC (triallyl isocyanurate), 1-2 parts of morpholine and 100-120 parts of water. The invention provides a composite simple-component adhesive which can be directly used. The viscosity of the carton composite adhesive is moderate, and thus, the carton composite adhesive can be brushed or sprayed; and the curing speed and initial viscosity are high, and thus, the carton composite adhesive can well satisfy the quick production demands for the carton production line.

Description

technical field [0001] The invention relates to a chemical material, more specifically to an adhesive. Background technique [0002] At present, there are many kinds of adhesives used in cartons, such as trialdehyde glue and white latex. Some adhesives will release free formaldehyde in the process of production and application, which is seriously harmful to the human body and the environment; some adhesives have poor water resistance and moisture resistance, are easy to absorb moisture in humid air, and have low bonding strength; Creep phenomenon occurs, which reduces the bonding strength, and it is easy to freeze when stored below -5°C, which damages the emulsion, thus greatly limiting its application. It is necessary to develop new adhesives with high bonding strength, safety, environmental protection and good stability. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a carton composit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J129/04C09J133/04C09J107/02C09J125/14C09J11/04C09J11/06
Inventor 杨锦
Owner 滁州市鑫彩印务有限公司
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