Soybean aldehyde-free adhesive and preparation method thereof
An adhesive, soybean technology, applied in the preparation of adhesives, animal glue or gelatin, adhesive types, etc., can solve problems such as formaldehyde pollution, save production costs, meet water resistance requirements, and improve added value.
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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] Demineralized water 73 kg
[0040] Defatted Soy Protein Powder 27 kg
[0041] Denaturant 1.0kg
[0042] Viscosity reducer 0.001kg
[0043] Emulsifier 0.5kg
[0044] Enhancer 7kg
[0045]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 common guanidine hydrochloride, the viscosity reducer is papain, and the emulsifier is polyvinyl alcohol (purchased from Beijing Chemical Reagent Co., Ltd. Co., Ltd., content 99%); the enhancer is self-made oxidized tannin (solid content 60%, viscosity 1800mPa.s).
[0046] This embodiment provides the preparation method of above-mentioned adhesive simultaneously, and specific preparation steps are as follows:
[0047] 1) In a mixer equipped with a stirrer, add all the deminer...
Embodiment 2
[0052] This embodiment provides an adhesive for wood-based panels, and the adhesive is prepared according to the following weight ratio
[0053] Tap water 71 kg
[0054] Defatted Soy Protein Powder 29 kg
[0055] Denaturant 1.5kg
[0056] Viscosity reducer 0.002kg
[0057] Emulsifier 1.0kg
[0058] Enhancer 12kg
[0059] 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 urea, the viscosity reducing agent is bromelain, and the emulsifier is polyacrylamide (purchased from Beijing Chemical Reagent Co., Ltd. , content 99%); the enhancer is self-made oxidized tannin (solid content 60%, viscosity 1800mPa.s).
[0060] 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
[0062] This embodiment provides an adhesive for wood-based panels, and the adhesive is prepared according to the following weight ratio:
[0063] Demineralized water 69 kg
[0064] Defatted Peanut Protein Powder 31 kg
[0065] Denaturant 1.0kg
[0066] Viscosity reducer 0.002kg
[0067] Emulsifier 1.5kg
[0068] Enhancer 18kg
[0069] 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 urea, the viscosity reducing agent is neutral protease, and the emulsifier is polyetherimide (purchased from Beijing Chemical Industry Co., Ltd. Reagent Co., Ltd., content 99%); enhancer is self-made oxidized tannin (solid content 60%, viscosity 1800mPa.s).
[0070] 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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