Formaldehyde-free soybean protein-based adhesive and preparation method thereof

A soybean protein and adhesive technology, which is applied in the preparation of protein adhesives, adhesives, animal glue or gelatin, etc., can solve the problems of formaldehyde pollution, achieve the effects of saving production costs, increasing added value, and comprehensively utilizing resources

Inactive Publication Date: 2017-02-15
SCHOLAR HOME SHANGHAI NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the above problems, the present invention designs a formaldehyde-free soybean protein-based adhesive and its preparation method, which can meet the water-resistant requirements of adhesives for wood-based panels and ensure the practical performance of protein adhesives; completely solve the indoor air pollution caused by wood-based panels. formaldehyde pollution in the environment; the main raw materials are renewable resources, in line with the principles of environmental protection and sustainable development

Method used

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  • Formaldehyde-free soybean protein-based adhesive and preparation method thereof
  • Formaldehyde-free soybean protein-based adhesive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] An aldehyde-free soybean protein base, the adhesive is prepared according to the following weight ratios:

[0036] Demineralized water 73kg

[0037] Defatted Soy Protein Powder 27kg

[0038] Denaturant 1.0kg

[0039] Catalyst 0.001kg

[0040] Emulsifier 0.5kg

[0041] Enhancer 7kg

[0042] Among them, the protein content of defatted soybean protein powder is more than 43% (purchased from Huifu Cereals and Oils Co., Ltd.); the denaturant is commercially available common formic acid (purchased from Shanghai Chemical Reagent Co., Ltd., with a concentration of 50%); the catalyst is zinc sulfate; It is octylphenol polyoxyethylene ether; the reinforcing agent is self-made silicone resin.

[0043] The present embodiment also provides the preparation method of the above-mentioned adhesive, and the specific preparation steps are as follows:

[0044] 1) Weigh the protein powder and the dispersion medium according to the weight ratio, and use a high-pressure homogenizer to p...

Embodiment 2

[0048] An aldehyde-free soybean protein base, the adhesive is prepared according to the following weight ratios:

[0049] Tap water 71kg

[0050] Defatted Soy Protein Powder 29kg

[0051] Denaturant 1.5kg

[0052] Catalyst 0.002kg

[0053] Emulsifier 1.0kg

[0054] Enhancer 12kg

[0055] Among them, the protein content of defatted soybean protein powder is more than 43% (purchased from Huifu Cereals and Oils Co., Ltd.); the denaturant is commercially available common formic acid (purchased from Shanghai Chemical Reagent Co., Ltd., with a concentration of 50%); the catalyst is zinc sulfate; It is octylphenol polyoxyethylene ether; the reinforcing agent is self-made silicone resin.

[0056] The preparation method of the adhesive described in this example is the same as that in Example 1, and the performance and quality indexes of the obtained adhesive are shown in Table 1.

Embodiment 3

[0058] An aldehyde-free soybean protein base, the adhesive is prepared according to the following weight ratios:

[0059] Demineralized water 69kg

[0060] Defatted Peanut Protein Powder 31kg

[0061] Denaturant 1.0kg

[0062] Catalyst 0.002kg

[0063] Emulsifier 1.5kg

[0064] Enhancer 18kg

[0065] Among them, the protein content of defatted soybean protein powder is more than 43% (purchased from Huifu Cereals and Oils Co., Ltd.); the denaturant is commercially available common formic acid (purchased from Shanghai Chemical Reagent Co., Ltd., with a concentration of 50%); the catalyst is zinc sulfate; It is octylphenol polyoxyethylene ether; the reinforcing agent is self-made silicone resin.

[0066] The preparation method of the adhesive described in this example is the same as that in Example 1, and the performance and quality indexes of the obtained adhesive are shown in Table 1.

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Abstract

The invention discloses formaldehyde-free soybean protein-based adhesive and a preparation method thereof; the formaldehyde-free soybean protein-based adhesive is prepared from 27-33 parts of skim protein powder, 1-2 parts of a modifier, 0.5-2.0 parts of an emulsifier, 7-20 parts of an enhancer, 0.001-0.003 part of a catalyst, and 65-73 parts of a dispersing medium; the preparation method comprises the steps such as dispersing, mixing, emulsifying, heating, ultrasonic treating, and stirring; the formaldehyde-free soybean protein-based adhesive and the preparation method thereof have the advantages that the requirement on water resistance of artificial board adhesives can be met, the practical performance of the adhesive is guaranteed, formaldehyde pollution problem of indoor air due to artificial boards is thoroughly solved, the main materials are recyclable, and environmental protection and sustainable development rules are satisfied.

Description

technical field [0001] The invention relates to an adhesive and a preparation method thereof, in particular to an aldehyde-free soybean protein-based adhesive and a preparation method thereof, belonging to the field of the adhesive and its preparation. Background technique [0002] With the improvement of people's living standards and the continuous and stable development of construction, decoration, packaging and other industries, the output of wood-based panels in my country has grown rapidly. In 2014, the total output of wood-based panels in my country was 302 million m 3 , accounting for more than 50% of the world's total output. Among them, particleboard is 17 million m 3 , an increase of 13% year-on-year; fiberboard 69 million m 3 , an increase of 16% year-on-year; plywood 174 million m 3 , an increase of 7% year-on-year. The total output of wood-based panels, plywood output, furniture output, and wooden floor output ranked first in the world for many consecutive ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J189/00C09J11/08C09J11/04C08H1/00C08L89/00C08L71/02
CPCC08H1/00C08L89/00C08L2205/03C09J11/04C09J11/08C09J189/00C08L83/04C08L71/02Y02A50/20
Inventor 卜立新
Owner SCHOLAR HOME SHANGHAI NEW MATERIAL CO LTD
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