Adhesive for packaging paper material and preparation method thereof

An adhesive and wrapping paper technology, applied in the directions of adhesives, adhesive types, starch adhesives, etc., can solve the problems of low bonding strength, poor water and moisture resistance, and decreased bonding strength, and achieve excellent bonding. performance, good bonding properties, good mechanical strength

Inactive Publication Date: 2013-10-23
广东灵桥工贸有限公司
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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

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] An adhesive for wrapping paper material is made from the following raw materials in parts by weight (kg): polyvinyl alcohol 8, acrylonitrile 3, starch 6, silane coupling agent KH550 3, acrylamide 1, borax 4, hydroxyethyl Cellulose 3, water-soluble melamine formaldehyde resin 2, morpholine 1, ethylene-vinyl acetate copolymer emulsion 9, sodium hydroxide 2, water 120.

[0012] The preparation method of the adhesive used for wrapping paper material comprises the following steps:

[0013] (1) Add starch and sodium hydroxide to some water to dissolve, heat to 90-100°C, stir for 10-15 minutes, add acrylonitrile, acrylamide, borax and hydroxyethyl cellulose and stir for 60-90 minutes;

[0014] (2), add polyvinyl alcohol to the remaining water, heat to 90-100 ℃, add silane coupling agent KH550, morpholine, water-soluble melamine formaldehyde resin, and stir for 30-45 minutes;

[0015] (3), will step (1)

[0016] The adhesive prepared by the invention is tested: after 4 hours,...

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PUM

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Abstract

The invention relates to an adhesive for a packaging paper material. The adhesive is characterized by being prepared from the following raw materials in parts by weight: 8-10 parts of polyvinyl alcohol, 3-4 parts of acrylonitrile, 6-8 parts of starch, 2-3 parts of silane coupling agent KH550, 1-2 parts of acrylamide, 3-4 parts of borax, 3-4 parts of hydroxyethyl cellulose, 1-2 parts of water-soluble melamine formaldehyde resin, 1-2 parts of morpholine, 9-11 parts of ethylene-vinyl acetate copolymer emulsion, 2-3 parts of sodium hydroxide and 120-125 parts of water. The adhesive for the packaging paper material has the advantages that the adhesive property is excellent, the mechanical strength is good after the adhesive is applied to paper packaging boxes, and the adhesive property is still good after the adhesive is subjected to a destructive test.

Description

technical field [0001] The present invention relates to a chemical material, more particularly to an adhesive. Background technique [0002] At present, there are many types of carton adhesives, such as trialdehyde glue and white latex. Some adhesives will release free formaldehyde in the production and application process, which is seriously harmful to 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 and environmental protection, and good stability. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to overcome the deficiencies of the prior art, and to provide an adhesive for w...

Claims

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Application Information

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IPC IPC(8): C09J123/08C09J129/04C09J103/02C09J133/20C09J11/04C08F220/48C08F220/56
Inventor 毕全中
Owner 广东灵桥工贸有限公司
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