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High-mildew-resistance and water-resistance soybean meal protein adhesive and preparation method thereof

A water-resistant, adhesive technology, applied in protein waste adhesives, adhesive additives, polymer adhesive additives, etc., can solve the problems of easy mildew and stickiness, improve the anti-mildew performance, and have a wide range of applications. , Improve the effect of easy mildew and poor viscosity

Pending Publication Date: 2021-02-19
INST OF WOOD INDUDTRY CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention intends to provide a highly mildew-resistant and water-resistant soybean meal protein adhesive and its preparation method to solve the problems of easy mildew and poor viscosity of existing soybean meal protein adhesives

Method used

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  • High-mildew-resistance and water-resistance soybean meal protein adhesive and preparation method thereof
  • High-mildew-resistance and water-resistance soybean meal protein adhesive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A highly mildew-proof and water-resistant soybean meal protein adhesive, which is composed of the following components in mass proportion: 40 parts of defatted soybean meal powder, 100 parts of water, 15 parts of cross-linking agent, 2 parts of natural anti-mold agent and 8 parts viscosity modifier.

[0024] The defatted soybean meal powder of this embodiment is obtained by mixing one or more of soybean protein isolate powder, soybean concentrated protein powder, high-temperature defatted soybean meal powder, low-temperature defatted soybean meal powder, and physical defatted soybean meal powder. The particle size of the defatted soybean meal powder is 100 mesh.

[0025] The crosslinking agent of the present embodiment adopts polyamide epichlorohydrin resin, but is not limited to polyamide epichlorohydrin resin, can also adopt cyanate ester, acrylic resin, epoxy resin, polyethyleneimine, diethylamine or One or more of polyamide epichlorohydrin resins.

[0026] The nat...

Embodiment 2

[0033] A highly mildew-proof and water-resistant soybean meal protein adhesive, which is composed of the following components in mass proportion: 45 parts of defatted soybean meal powder, 120 parts of water, 18 parts of cross-linking agent, 4 parts of natural anti-mold agent and 4 parts viscosity modifier.

[0034] The defatted soybean meal powder of this embodiment is obtained by mixing one or more of soybean protein isolate powder, soybean concentrated protein powder, high-temperature defatted soybean meal powder, low-temperature defatted soybean meal powder, and physical defatted soybean meal powder. The particle size of the defatted soybean meal powder is 100 mesh.

[0035] The crosslinking agent of the present embodiment adopts polyamide epichlorohydrin resin, but is not limited to polyamide epichlorohydrin resin, can also adopt cyanate ester, acrylic resin, epoxy resin, polyethyleneimine, diethylamine or One or more of polyamide epichlorohydrin resins.

[0036] The nat...

Embodiment 3

[0043] A highly mildew-proof and water-resistant soybean meal protein adhesive, which is composed of the following components in mass proportion: 10 parts of defatted soybean meal powder, 80 parts of water, 1 part of cross-linking agent, 0.2 parts of natural anti-mold agent and 0.5 parts of viscosity modifier.

[0044] The defatted soybean meal powder of this embodiment is obtained by mixing one or more of soybean protein isolate powder, soybean concentrated protein powder, high-temperature defatted soybean meal powder, low-temperature defatted soybean meal powder, and physical defatted soybean meal powder. The particle size of the defatted soybean meal powder is 60 mesh.

[0045] The crosslinking agent of the present embodiment adopts polyamide epichlorohydrin resin, but is not limited to polyamide epichlorohydrin resin, can also adopt cyanate ester, acrylic resin, epoxy resin, polyethyleneimine, diethylamine or One or more of polyamide epichlorohydrin resins.

[0046] The ...

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Abstract

The invention discloses a high-mildew-resistance and water-resistance soybean meal protein adhesive and a preparation method thereof, and particularly relates to the technical field of adhesives. Thehigh-mildew-resistance and water-resistant soybean meal protein adhesive is prepared from the following components in parts by mass: 10-50 parts of degreased soybean meal powder, 80-120 parts of water, 1-20 parts of a cross-linking agent, 0.2-6 part of a natural mildew inhibitor and 0.5-8 part of a viscosity regulator. The preparation method of the high-mildew-resistance and water-resistance soybean meal protein adhesive comprises the following steps: S102, uniformly mixing degreased soybean meal powder, water and a cross-linking agent to prepare viscous liquid; S104, adding a natural mildew preventive into the viscous liquid obtained in the S102, and carrying out dispersion treatment by using mechanical dispersion equipment until the temperature of the viscous liquid does not exceed 50 DEG C in the dispersion process; and S106, adding a viscosity regulator into the viscous liquid obtained in S104, and controlling the temperature not to exceed 70 DEG C in the stirring process to finally prepare the adhesive. According to the technical scheme, the problems that an existing soybean meal protein adhesive is prone to mildewing and poor in viscosity are solved, and the soybean meal protein adhesive can be used for improving the adhesion performance of artificial boards.

Description

technical field [0001] The invention relates to the technical field of adhesives, in particular to a highly mildew-proof and water-resistant soybean meal protein adhesive and a preparation method thereof. Background technique [0002] China's wood-based panel industry is huge, and its output accounts for more than 50% of the world's total wood-based panel production, and it is showing an upward trend year by year. Wood adhesives are an important part of the wood-based panel manufacturing industry. Traditional aldehyde-based resins have excellent bonding performance, but have the problem of formaldehyde release, which makes it difficult to match the current market demand and policy orientation. As a substitute for traditional aldehyde resin adhesives, soybean meal protein adhesives have good environmental protection properties and can be used in the manufacture of multi-layer boards, large-core boards, particle boards and other wood-based board products, especially in the ma...

Claims

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Application Information

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IPC IPC(8): C09J189/04C09J11/06C09J11/08
CPCC09J189/04C09J11/06C09J11/08C08L2205/035C08L29/04C08L93/00C08L97/02C08K5/098Y02P60/87
Inventor 杨昇范东斌储富祥李改云陈媛陈欢
Owner INST OF WOOD INDUDTRY CHINESE ACAD OF FORESTRY
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