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Environment-friendly and water-abed package adhesive and a preparation method thereof

A water-based, environmentally friendly technology, used in epoxy resin adhesives, adhesives, adhesive types, etc., can solve the problems of easy breakage and low adhesive force of glue, and achieve improved bonding performance, improved compatibility, and improved corrosion resistance. The effect of bacterial performance

Inactive Publication Date: 2017-12-12
泰州市溪龙包装有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to aim at the defects of low glue viscosity and easy breakage in the prior art, and at the same time improve the compatibility between resin and water-based starch glue, and provide an environmentally friendly water-based packaging glue and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A kind of environment-friendly water-based packaging glue, it is made of the following raw materials by weight:

[0024] Corn starch 40, caustic soda 4, borax 1.5, polyvinyl alcohol 3, alkyl glucoside 0.2, sodium carboxymethyl cellulose 2, water-based epoxy binder 3, 2-mercaptobenzimidazole 0.1, sodium diacetate 1, Sucrose acetate isobutyrate 2, appropriate amount of deionized water, appropriate amount of absolute ethanol.

[0025] Described water-based epoxy adhesive is made up of the raw material of following weight part:

[0026] Epoxy resin E44 40, propylene glycol phenyl ether 3, maleic anhydride 3, ethoxylated alkylphenol ammonium sulfate 2, triethanolamine 1, 15% hydrogen peroxide 20, guar gum 9, sodium myristate soap 3, over Dicumyl oxide 0.2;

[0027] The preparation method of described waterborne epoxy adhesive may further comprise the steps:

[0028] (1) Take the above maleic anhydride, add it to deionized water 20 times its weight, and stir evenly;

[00...

Embodiment 2

[0038] A kind of environment-friendly water-based packaging glue, it is made of the following raw materials by weight:

[0039] Corn starch 30, caustic soda 2-4, borax 0.8, polyvinyl alcohol 2, alkyl glucoside 0.1, sodium carboxymethyl cellulose 1, water-based epoxy binder 2, 2-mercaptobenzimidazole 0.04, sodium diacetate 0.8. Sucrose acetate isobutyrate 1. Proper amount of deionized water and proper amount of absolute ethanol.

[0040] Described water-based epoxy adhesive is made up of the raw material of following weight part:

[0041] Epoxy resin E44 37, propylene glycol phenyl ether 2, maleic anhydride 2, ethoxylated alkylphenol ammonium sulfate 1, triethanolamine 0.7, 10% hydrogen peroxide 17, guar gum 6, sodium myristate soap 2, over Dicumyl oxide 0.1;

[0042] The preparation method of described waterborne epoxy adhesive may further comprise the steps:

[0043] (1) Take the above maleic anhydride, add it to deionized water 17 times its weight, and stir evenly;

[00...

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Abstract

The invention discloses an environment-friendly and water-abed package adhesive. The environment-friendly and water-abed package adhesive is prepared from, by weight, 30-40 parts of corn starch, 2-3 parts of caustic soda flakes, 0.8-1.5 parts of sodium borate, 2-3 parts of polyvinyl alcohol, 0.1-0.2 part of alkyl glycoside, 1-2 parts of sodium carboxymethylcellulose, 2-3 parts of waterborne epoxy bonder, 0.04-0.1 part of 2-mercapto benzimidazole, 0.8-1 part of sodium diacetate, 1-2 parts of sucrose acetate isobutyrate, a proper amount of deionized water and a proper amount of absolute ethyl alcohol. The defects of lower viscidity and easy breakage of a traditional starch adhesive are overcome by introducing the waterborne epoxy bonder having good dispersity into the adhesive, meanwhile the compatibility of resin and the water-abed starch adhesive is improved, and the environment-friendly and water-abed package adhesive is good in adhering property and superior in comprehensive performance and does not produce layering in use.

Description

technical field [0001] The invention belongs to the field of glue, and in particular relates to an environment-friendly water-based packaging glue and a preparation method thereof. Background technique [0002] Starch is rich in resources, cheap, easy to use, and can be modified by other materials. According to the source of varieties, starch can be divided into corn starch, potato starch, tapioca starch, sweet potato starch, rice starch, etc., and their shape, composition, particle size, polymerization degree and gelatinization temperature are all different. Starch is mainly composed of amylose and amylopectin. The glue produced with starch as the main raw material has low cost, but the existing glue has low viscosity and is easy to break during use. For the defects of low strength and easy breakage, resin components will be added to the glue, but most of the traditional resins have poor compatibility with water-based starch binders, which may easily cause poor stability o...

Claims

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Application Information

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IPC IPC(8): C09J103/02C09J163/00C09J11/06C09J11/04C09J11/08
CPCC09J103/02C08K2003/387C08K2201/014C08L2205/035C09J11/04C09J11/06C09J11/08C08L29/04C08L63/00C08L1/286C08K13/02C08K3/38C08K5/378C08K5/06C08K5/098
Inventor 孙秋平翟凤翔
Owner 泰州市溪龙包装有限公司
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