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Method for preparing water-resistant paper product glue by taking soybean protein powder as raw material

A technology for soybean protein powder and paper products, which is used in the preparation of protein adhesives, animal glue or gelatin, and adhesives, etc., can solve the problems of paper products becoming damp and soft, human health damage, environmental pollution, etc. Low, simple production process, easy to operate

Inactive Publication Date: 2013-01-23
谷神生物科技集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Traditional paper product glues are mainly water glass, starch glue, white latex, soybean protein powder glue, because water glass and starch glue have a high pH value during use, which makes the dried paper products It is easy to absorb moisture from the air, making paper products damp and soft, which cannot meet customer requirements
White latex is made of vinyl acetate monomer as the main raw material through initiator polymerization, which can meet the production requirements of paper products. However, as the price of vinyl acetate monomer raw materials continues to rise, the composition of white latex is also rising. At the point where it cannot be used, some companies use formaldehyde modified white latex, the cost is low, but it causes environmental pollution and harm to human health

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] 1) Put 80 parts of water into a reaction kettle with a stirrer, control the stirring rate to 50-200 rpm, then add 20 parts of soybean defatted protein powder in turn, stir to form a particle-free and uniformly dispersed slurry, and then pass through the colloid grinding homogenization;

[0028] 2) Add 20 parts of polyamide epichlorohydrin after homogenization, and stir to form a particle-free and evenly dispersed slurry;

[0029] 3) At room temperature, add 1 part of tackifier while stirring, and stir to disperse evenly;

[0030] 4) At room temperature, add 1 part of bactericidal preservative while stirring, stir and disperse evenly, and keep for 30-60 minutes;

[0031] 5) Packing in barrels is the product.

Embodiment 2

[0033] (1) Put 85 parts of water into a reaction kettle with a stirrer, control the stirring rate to 50-200 rpm, then add 15 parts of soybean defatted protein powder in sequence, stir to form a uniformly dispersed slurry without particles, and then Colloid mill homogenization;

[0034] (2) Add 10 parts of polyamide epichlorohydrin after homogenization, and stir to form a particle-free and evenly dispersed slurry;

[0035] (3) At room temperature, add 1 part of tackifier while stirring, and stir to disperse evenly;

[0036] (4) At room temperature, add 1 part of bactericidal preservative while stirring, stir and disperse evenly, and keep for 30-60 minutes;

[0037] (5) carry out the powdery paper product glue product that spray drying obtains;

[0038] (6) The packaging of powdery paper products is this product.

Embodiment 3

[0040] (1) Put 70 parts of water into a reaction kettle with a stirrer, control the stirring rate to 50-200 rpm, then add 30 parts of soybean defatted protein powder in turn, stir to form a particle-free and evenly dispersed slurry, and then pass through Colloid mill homogenization;

[0041] (2) Add 30 parts of polyamide epichlorohydrin after homogenization, and stir to form a uniformly dispersed slurry without particles;

[0042] (3) At room temperature, add 1 part of tackifier while stirring, and stir to disperse evenly;

[0043] (4) At room temperature, add 1 part of bactericidal preservative while stirring, stir and disperse evenly, and keep for 30-60 minutes;

[0044] (5) Packing in barrels is the product.

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PUM

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Abstract

The invention discloses water-resistant paper product glue which consists of the following components in parts by weight: 0-90 parts of water, 10-30 parts of soybean protein powder, 1-90 parts of polyamide epoxy chloropropane, 1-10 parts of tackifier, 0-15 parts of pH modifier and 0.05-5 parts of sterilization preservative. The water-resistant paper product glue is prepared by the following steps of: mixing the soybean protein powder with water; sequentially adding the polyamide epoxy chloropropane, the tackifier, the pH modifier and the sterilization preservative; and finally stirring and mixing. According to the invention, the technology is simple, pollution and discharge are avoided, the water resistance of the product is much higher than that of the similar products such as water glass, starch glue and the like, and damping is prevented. The water-resistant paper product glue is green, environment-friendly and convenient to use.

Description

technical field [0001] The invention relates to a glue for water-resistant paper products and a preparation method using soybean protein powder as a raw material. Background technique [0002] Traditional paper product glues are mainly water glass, starch glue, white latex, soybean protein powder glue, because water glass and starch glue have a high pH value during use, which makes the dried paper products It is easy to absorb moisture from the air, making paper products damp and soft, which cannot meet the requirements of customers. White latex is made of vinyl acetate monomer as the main raw material through initiator polymerization, which can meet the production requirements of paper products. However, as the price of vinyl acetate monomer raw materials continues to rise, the composition of white latex is also rising. At the point where it cannot be used, some companies use formaldehyde-modified white latex. The cost is low, but it causes environmental pollution and harm...

Claims

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Application Information

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IPC IPC(8): C09J189/00C09J177/00
Inventor 李世伟王建忠郭世峰高建勇
Owner 谷神生物科技集团有限公司
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