Soybean meal-based adhesive for wood and preparation method thereof
A technology of adhesives and soybean meal, which is applied in the field of soybean meal-based adhesives for wood and its preparation, can solve the problems of prolonged curing time, increased difficulty of production process, and increased production cost, so as to increase the water-resistant handover performance, increase the added value of products, and save The effect of production costs
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Embodiment 1
[0027] A soybean meal-based adhesive for wood, prepared from the following raw materials by weight:
[0028] Demineralized water 68kg
[0029] Sodium dodecylbenzenesulfonate 1 kg
[0030] Defatted Soy Protein Powder 26kg
[0031] Cross-linking enhancer 3 kg
[0032] Sodium Benzoate 2kg
[0033] A preparation method of the above-mentioned soybean meal-based adhesive for wood, comprising the following steps:
[0034] 1) Weigh each raw material according to the above weight ratio;
[0035] 2) Add all the demineralized water, soy protein powder and sodium dodecylbenzenesulfonate into the reaction kettle equipped with agitator, thermometer and condensing device, and stir evenly;
[0036] 3) Heat in a water bath to 40-45°C and keep warm for 3 hours;
[0037] 4) The temperature of the reactant is lowered to 30°C to obtain a uniform soy protein mucus;
[0038] 5) Add the enhancer to the obtained soybean protein mucilage, mix well, and then add sodium benzoate to make the soybea...
Embodiment 2
[0043] A soybean meal-based adhesive for wood, prepared from the following raw materials by weight:
[0044] Demineralized water 64 kg
[0045] Sodium dodecylbenzenesulfonate 2 kg
[0046] Defatted Soy Protein Powder 29 kg
[0047] Enhancer 5kg
[0048] Sodium Benzoate 4kg
[0049] A preparation method of the above-mentioned soybean meal-based adhesive for wood, comprising the following steps:
[0050] 1) Weigh each raw material according to the above weight ratio;
[0051] 2) Add all the demineralized water, soy protein powder and sodium dodecylbenzenesulfonate into the reaction kettle equipped with agitator, thermometer and condensing device, and stir evenly;
[0052] 3) Heat in a water bath to 40-45°C and react for 6 hours;
[0053] 4) The temperature of the reactant is lowered to 30°C to obtain a uniform soy protein mucus;
[0054] 5) Add the enhancer to the obtained soybean protein mucilage, mix well, and then add sodium benzoate to make the soybean protein adhesiv...
Embodiment 3
[0059] A soybean meal-based adhesive for wood, prepared from the following raw materials by weight:
[0060] Demineralized water 62 kg
[0061] Sodium dodecylbenzenesulfonate 2 kg
[0062] Defatted Soy Protein Powder 29 kg
[0063] Enhancer 7kg
[0064] Sodium Benzoate 3kg
[0065] A preparation method of the above-mentioned soybean meal-based adhesive for wood, comprising the following steps:
[0066] 1) Weigh each raw material according to the above weight ratio;
[0067] 2) Add all the demineralized water and soybean protein powder into the reaction kettle equipped with agitator, thermometer and condensing device, and stir evenly;
[0068] 3) Heat in a water bath to 65-70°C and react for 5 hours;
[0069] 4) The temperature of the reactant is lowered to 30°C to obtain a uniform soy protein mucus;
[0070] 5) Add the enhancer to the obtained soybean protein mucilage, mix well, and then add sodium benzoate to make the soybean protein adhesive.
[0071] The cross-linki...
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