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Corn starch glue and preparing method thereof

A corn starch glue, corn starch technology, applied in the directions of starch adhesives, adhesive types, adhesive additives, etc., can solve the problems of high cost, complicated preparation process, complex components, etc., and achieve fast production, production equipment and Simple operation and simple ingredients

Inactive Publication Date: 2016-07-27
陈志冲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the corn starch glues used in the market have complex components, complicated preparation process and high cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Preparation of materials: preparation by weight: 300 parts of cornstarch, 0.6 parts of potassium pyroantimonate, 3.5 parts of borax, 10 parts of solid sodium hydroxide, and 902 parts of water. spare.

[0016] Preparation:

[0017] S10. Weigh 30 parts of cornstarch, and prepare cornstarch slurry with 80 parts of water;

[0018] S11, solid sodium hydroxide is dissolved in 18 parts of water to make aqueous sodium hydroxide solution;

[0019] S12. Gelatinization: mixing the cornstarch slurry and the aqueous sodium hydroxide solution at 65° C. for 30 minutes;

[0020] S13, the mixed solution obtained by gelation is mixed with 180 parts of cold water, and stirred evenly to obtain Liquid A;

[0021] S20. Dissolve potassium pyroantimonate in another container with 24 parts of water, stir to dissolve, then dilute with 600 parts of water at 30°C, mix with borax and 270 parts of cornstarch, and stir evenly to obtain liquid B;

[0022] S30. Within 30 minutes, combine the liquid...

Embodiment 2

[0024] Preparation of materials: preparation by weight: 350 parts of cornstarch, 0.7 parts of potassium pyroantimonate, 4.5 parts of borax, 12 parts of solid sodium hydroxide, and 1052 parts of water.

[0025] Preparation:

[0026] S10. Weigh 35 parts of cornstarch, and prepare cornstarch slurry with 93 parts of water;

[0027] S11, solid sodium hydroxide is dissolved in 21 parts of water to make aqueous sodium hydroxide solution;

[0028] S12. Gelatinization: mixing the corn starch slurry and the aqueous sodium hydroxide solution at 70° C. for 35 minutes;

[0029] S13, the mixed solution obtained by gelation is mixed with 210 parts of cold water, and stirred evenly to obtain Liquid A;

[0030] S20. Dissolve potassium pyroantimonate in another container with 28 parts of water, stir to dissolve, then dilute with 700 parts of water at 35°C, mix with borax and 315 parts of cornstarch, and stir evenly to obtain liquid B;

[0031] S30. Within 30 minutes, combine the liquid A and...

Embodiment 3

[0033] Preparation of materials: preparation by weight: 400 parts of cornstarch, 0.8 parts of potassium pyroantimonate, 5.5 parts of borax, 14 parts of solid sodium hydroxide, and 1202 parts of water.

[0034] Preparation:

[0035] S10. Weigh 40 parts of cornstarch, and prepare cornstarch slurry with 106 parts of water;

[0036] S11, solid sodium hydroxide is dissolved in 24 parts of water to make aqueous sodium hydroxide solution;

[0037] S12. Gelatinization: mixing the cornstarch slurry and the aqueous sodium hydroxide solution at 75° C. for 40 minutes;

[0038] S13, the mixed solution obtained by gelling is mixed with 240 parts of cold water, and stirred evenly to obtain Liquid A;

[0039] S20. Dissolve potassium pyroantimonate in another container with 32 parts of water, stir to dissolve, then dilute with 800 parts of water at 40°C, mix with borax and 360 parts of cornstarch, and stir to obtain liquid B;

[0040] S30. Within 30 minutes, combine the liquid A and the liq...

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Abstract

The invention provides corn starch glue and a preparing method thereof.The corn starch glue is prepared from, by weight, 300-400 parts of corn starch, 0.6-0.8 part of potassium pyroantimonate, 3.5-5.5 parts of borax, 10-14 parts of solid sodium hydroxide and 902-1200 parts of water.The corn starch glue has simple components, is easy to prepare and high in bonding strength and is fast to put into production, production equipment and the operation process are simple, and the moisture resistance of the corn starch glue is higher than that of sodium metasilicate, while coating weight and cost are lower than those of sodium metasilicate.

Description

technical field [0001] The invention relates to the technical field of viscose, in particular to cornstarch glue. Background technique [0002] With the dwindling of petroleum resources, chemical products that use petroleum as raw materials pose a threat, so many companies are looking for substitutes, and the adhesive glue used in the cardboard industry has always used sodium silicate, due to its high alkali content , It is highly corrosive to paper, and the produced cardboard is easy to get damp, deformed, damaged, and even corrode the inner packaging products. However, by changing the structure, physical properties and chemical properties of starch through physical and chemical methods or biochemical methods, a variety of modified corn starch adhesives with specific properties and uses appear. The corn starch adhesive has high bonding strength, Light weight, non-corrosive and other characteristics, so it has attracted wide attention. However, most of the cornstarch glues...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J103/02C09J11/04
CPCC09J103/02C08K3/22C08K3/38C08K2003/2282C08K2003/387C09J11/04
Inventor 陈志冲
Owner 陈志冲
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