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Special adhesive for carton

An adhesive and carton technology, applied in the direction of adhesive types, starch-derived adhesives, non-polymer adhesive additives, etc., can solve the problems of unreliable quality, slow drying speed, and high production costs, reaching The effect of improving oxidation effect, excellent adhesion performance, and improving initial adhesion

Inactive Publication Date: 2016-05-25
王晓伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, judging from the relevant technical solutions disclosed, there are some shortcomings, some of which have high production costs, some have slow drying speed, and some have unreliable quality.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1: At room temperature, mix 25kg of cornstarch with 50kg of water, slowly add and stir until milky white starch slurry is obtained, and 8kg of sodium hydroxide is prepared into a certain concentration of sodium hydroxide solution and slowly added to the starch slurry , to obtain pre-gelatinized milky white viscous starch paste; then take 0.08kg of potassium permanganate and 0.24kg of phosphoric acid, use hot water to prepare a certain concentration of composite oxidant solution, add in the above-mentioned starch paste; then take 0.12kg of boric acid and heat Dissolve in water to form a solution with a certain concentration and add starch paste to form a glue. Finally, take 0.3 kg of nano sepiolite powder and add it to the glue to finally obtain an oxidized starch adhesive. Stir the adhesive continuously and then slowly add 0.15 kg of alum solution to form a glue. Get the finished product.

Embodiment 2

[0017] Example 2: At room temperature, mix 30kg of cornstarch with 55kg of water, slowly add and stir until milky white starch slurry is obtained, and take 10kg of sodium hydroxide to prepare a certain concentration of sodium hydroxide solution and slowly add it to the starch slurry , to obtain pre-gelatinized milky white viscous starch paste; then take 0.04kg of potassium permanganate and 0.28kg of nitric acid to prepare a certain concentration of composite oxidant with hot water, and add it to the above-mentioned starch paste; then take 0.16kg of boric acid and dissolve it in hot water Make a solution with a certain concentration and add starch paste to form a glue solution. Finally, take 0.45kg of nano-sepiolite powder and add it to the glue solution, and then slowly add electricity to finally obtain an oxidized starch adhesive. Stir the adhesive continuously and then slowly add alum The solution is 0.25kg, and the finished product is finally obtained.

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Abstract

The invention discloses a special adhesive for a carton. The special adhesive is prepared from the following raw materials by weight: 25 to 30 parts of corn starch, 50 to 55 parts of water, 8 to 10 parts of sodium hydroxide, 0.12 to 0.16 part of boric acid, 0.3 to 0.45 part of a composite oxidizing agent, 0.3 to 0.45 part of nanometer meerschaum powder, 0.05 to 0.2 part of an alum solution and alum. The special adhesive for the carton has the advantages of a fast drying speed, good comprehensive performance and low production cost.

Description

technical field [0001] The invention relates to a starch adhesive, in particular to a quick-drying adhesive specially used for bonding cartons. Background technique [0002] In the production of paper products, especially corrugated boxes, natron has been used for decades. Because it is highly alkaline and easy to absorb moisture, it often returns to alkali and whitens, causing paper products to deform, peel off, and even corrode products, resulting in huge economic losses such as deterioration and scrapping. Therefore, starch adhesives have been used to replace natron in foreign countries since the 1950s, and starch adhesives have been studied in China since the end of the 1970s, and gradually popularized in the production of paper products in the 1980s. [0003] There are many disclosures about the formulation and production process of starch adhesives in the prior art, among which there are hundreds of patent technical documents found on the website of the State Intellec...

Claims

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Application Information

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IPC IPC(8): C09J103/10C09J11/04C08B31/18
Inventor 王晓伟
Owner 王晓伟
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