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Environment-friendly starch glue for packaging paper and preparation method thereof

A technology of wrapping paper and starch glue, applied in the direction of biological packaging, sustainable packaging, starch-derived adhesives, etc., can solve the problems of high gelatinization temperature and high production cost, and achieve low cost, high practicability, and reduced The effect of industrial production energy consumption

Active Publication Date: 2019-01-04
HEBEI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] One of the purposes of the present invention is to provide an environmentally friendly starch glue for wrapping paper to solve the problems of high gelatinization temperature and high production cost of the existing starch adhesive for wrapping paper

Method used

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  • Environment-friendly starch glue for packaging paper and preparation method thereof
  • Environment-friendly starch glue for packaging paper and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Dissolve 10g of cornstarch in 50g of water and stir evenly to obtain a starch solution; add 0.5g of sodium percarbonate to the resulting starch solution and react for 10 minutes to obtain an oxidized starch solution; dissolve 3g of sodium hydroxide in 50g of water to obtain sodium hydroxide solution; the obtained sodium hydroxide solution is added to the oxidized starch solution to react until the reaction system becomes clear (easy to operate on the machine), and the environmentally friendly starch glue for packaging paper bonding is obtained.

Embodiment 2

[0029] Dissolve 10g of cornstarch in 50g of water and stir evenly to obtain a starch solution; add 1.5g of sodium percarbonate to the resulting starch solution and react for 10 minutes to obtain an oxidized starch solution; dissolve 4g of sodium hydroxide in 50g of water to obtain sodium hydroxide solution; the obtained sodium hydroxide solution is added to the oxidized starch solution to react until the reaction system becomes clear (easy to operate on the machine), and the environmentally friendly starch glue for packaging paper bonding is obtained.

Embodiment 3

[0031] Dissolve 10g of cornstarch in 50g of water and stir evenly to obtain a starch solution; add 2.5g of sodium percarbonate to the resulting starch solution and react for 10 minutes to obtain an oxidized starch solution; dissolve 5g of sodium hydroxide in 50g of water to obtain sodium hydroxide solution; the obtained sodium hydroxide solution is added to the oxidized starch solution to react until the reaction system becomes clear (easy to operate on the machine), and the environmentally friendly starch glue for packaging paper bonding is obtained.

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PUM

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Abstract

The invention provides environment-friendly starch glue for packaging paper and a preparation method thereof. The environment-friendly starch glue for packaging paper is mainly prepared from, by weight, 10 parts of corn starch, 100 parts of water, 0.5-2.5 parts of oxidant and 3-5 parts of sodium hydroxide. The corn starch is adopted as the main raw material, which is environmentally friendly; heating is not needed in the production process which can be carried out at the room temperature, and the starch glue can be prepared whenever needed; modifiers such as preservatives and moisture-proof agents are not needed, overall properties such as adhesiveness and stability are excellent, the starch glue is economical, low in cost and high in practicality, process conditions are mild, and industrialization is easy to realize.

Description

technical field [0001] The invention relates to a starch glue and a preparation method thereof, in particular to an environment-friendly starch glue for wrapping paper and a preparation method thereof. Background technique [0002] Starch adhesive is an adhesive prepared from starch as a base material. It is widely used in packaging paper such as fruit bagging paper, corrugated paper and packaging oil paper. Due to the wide source of raw materials, low price, non-toxic, tasteless, and environmental protection, starch glue has become an adhesive with the most potential for development. [0003] At present, the preparation process and production methods of starch adhesive mainly include oxidation method, dextrin method and alkali paste method, etc. Among them, the process of oxidation method is relatively simple, so it is the most commonly used. However, starch adhesives prepared by oxidation methods generally have problems such as poor fluidity, poor stability, and slow dryi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J103/10C08B31/18
CPCC09J103/10C08B31/18Y02W90/10
Inventor 霍莉魏桂丽李立军徐建中宋洪赞
Owner HEBEI UNIVERSITY
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