Soybean meal lignin-based adhesive and preparation method thereof
A technology based on lignin and adhesives, which is applied in the preparation of adhesives, animal glue or gelatin, and the types of adhesives. It can solve the problems of poor boiling resistance, low dry bonding strength, and poor water resistance of ordinary protein adhesives. Improve the water-resistant bonding performance, enhance the water-resistant bonding performance, and ensure the effect of practical performance
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Embodiment 1
[0038] This embodiment provides an adhesive for wood-based panels, and the adhesive is prepared according to the following weight ratio:
[0039] Softened water 70Kg
[0040] Defatted soy protein powder 30Kg
[0041] Denaturant 1Kg
[0042] Enhancer 5kg
[0043] Among them, the protein content of defatted soybean protein powder is more than 43% (purchased from Huifu Grain and Oil Co., Ltd.); the denaturant is commercially available ordinary magnesium hydroxide (purchased from Tianjin Chemical Research Institute, with a content of 98%); the enhancer is homemade reduced wood Vegetables (solid content 65%, viscosity 5400mPa.s).
[0044] This embodiment provides the preparation method of above-mentioned adhesive simultaneously, and specific preparation steps are as follows:
[0045] 1) In a mixer equipped with a stirrer, add all the demineralized water, defatted soy protein powder, and mix well.
[0046] 2) Add denaturant and stir evenly.
[0047] 3) Add enhancer and stir well...
Embodiment 2
[0050] This embodiment provides an adhesive for wood-based panels, and the adhesive is prepared according to the following weight ratio
[0051] Tap water 67Kg
[0052] Defatted soy protein powder 33Kg
[0053] Denaturant 1.5Kg
[0054] Enhancer 10kg
[0055] Among them, the protein content of defatted soybean protein powder is more than 43% (purchased from Huifu Grain and Oil Co., Ltd.); the denaturant is commercially available ordinary sodium carbonate (purchased from Tianjin Chemical Research Institute, content 98%); the enhancer is self-made reduced lignin (solid content 65%, viscosity 5400mPa.s).
[0056] The preparation method of the adhesive described in this example is the same as in Example 1, and the performance and quality indicators of the obtained adhesive are shown in Table 1.
Embodiment 3
[0058] This embodiment provides an adhesive for wood-based panels, and the adhesive is prepared according to the following weight ratio:
[0059] Softened water 65Kg
[0060] Defatted Peanut Protein Powder 35Kg
[0061] Denaturant 2Kg
[0062] Enhancer 15kg
[0063] Among them, the protein content of defatted soybean protein powder is more than 43% (purchased from Huifu Grain and Oil Co., Ltd.); the denaturant is commercially available ordinary sodium carbonate (purchased from Tianjin Chemical Research Institute, content 98%); the enhancer is self-made reduced lignin (solid content 65%, viscosity 5400mPa.s).
[0064] The preparation method of the adhesive described in this example is the same as in Example 1, and the performance and quality indicators of the obtained adhesive are shown in Table 1.
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