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Starch adhesive for adhering cartons

A technology of starch adhesives and cartons, applied in the direction of adhesives, adhesive types, starch-derived adhesives, etc., can solve the problems of unstable storage performance, low bonding strength, and slow drying speed, and achieve storage stability and water resistance Good, fast drying effect

Inactive Publication Date: 2012-05-02
CHANGSHU KAILIDA HONEYCOMB PACKING MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional starch adhesives have shortcomings such as slow drying speed, low bonding strength, poor water resistance, and unstable storage performance, which limit their application in the carton production industry

Method used

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  • Starch adhesive for adhering cartons

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The ratio by weight is: 100 parts of cornstarch, 5 parts of hydrogen peroxide, 10 parts of aqueous sodium hydroxide solution with a concentration of 30% by mass, 0.8 part of borax, 0.03 part of ferrous sulfate, 18 parts of urea, 0.1 part of sodium benzoate, hydroxymethyl 0.6 parts of cellulose sodium, 0.6 parts of tributyl phosphate, 10 parts of polyvinyl alcohol, 16 parts of inorganic bentonite and 500 parts of water.

Embodiment 2

[0023] The ratio by weight is: 100 parts of sorghum starch, 3 parts of hydrogen peroxide, 5 parts of aqueous sodium hydroxide solution with a concentration of 28% by mass, 0.2 part of borax, 0.01 part of ferrous sulfate, 12 parts of urea, 0.05 part of sodium benzoate, hydroxymethyl 0.3 parts of cellulose sodium, 0.5 parts of tributyl phosphate, 9 parts of polyvinyl alcohol, 15 parts of inorganic bentonite and 450 parts of water.

Embodiment 3

[0025] The ratio by weight is: 100 parts of sweet potato starch, 6 parts of hydrogen peroxide, 7 parts of aqueous sodium hydroxide solution with a concentration of 32% by mass, 0.6 part of borax, 0.04 part of ferrous sulfate, 17 parts of urea, 0.09 part of sodium benzoate, methylol 0.8 parts of sodium cellulose, 0.7 parts of tributyl phosphate, 15 parts of polyvinyl alcohol, 18 parts of inorganic bentonite and 550 parts of water.

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Abstract

The invention discloses a starch adhesive for adhering cartons, which belongs to the technical field of adhesives. The starch adhesive is prepared from the following raw material in part by weight: 100 parts of starch, 3 to 8 parts of hydrogen peroxide, 5 to 12 parts of aqueous solution of sodium hydroxide, 0.2 to 0.8 part of crosslinking agent, 0.01 to 0.05 parts of ferrous sulfate, 10 to 20 parts of catalyst, 0.05 to o.1 part of preservative, 0.2 to 1.2 parts of tackifier, 0.5 to 1 part of tributyl phosphate, 9 to 16 parts of water-proofing agent, 15 to 18 parts of quick drying agent and 450 to 600 parts of water. The starch adhesive has the advantages that: the raw materials are readily available, and the cost is low; the drying speed is high; the waterproof performance is high; stability in storage is ensured; organic solvent and environment pollution are avoided; and the adhesive strength is very high.

Description

technical field [0001] The invention belongs to the technical field of adhesives, in particular to a starch adhesive for carton bonding. Background technique [0002] The reason why starch adhesives as an environment-friendly natural adhesive has attracted more and more attention from the industry is that starch has the advantages of abundant resources, low price, convenient use, and is non-toxic to the environment. Therefore, it is one of the most suitable natural adhesives for the carton production industry. [0003] The starch adhesives currently used in the carton production industry are mainly made of raw materials such as starch, water, sodium hydroxide and oxidizing agents. Traditional starch adhesives have disadvantages such as slow drying speed, low bonding strength, poor water resistance, and unstable storage performance, which limit their application in the carton production industry. Such as Chinese patent CN101760148A relates to a kind of adhesive made of corn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J103/00C09J11/04C09J11/06C09J103/10C08B31/18
Inventor 方云祥
Owner CHANGSHU KAILIDA HONEYCOMB PACKING MATERIALS
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