Bio-based protein adhesive for artificial board and preparation method thereof
A bio-based, wood-based panel technology, applied in the direction of protein waste adhesives, adhesive additives, polymer adhesive additives, etc., can solve the problems of waste of resources, environmental pollution, etc., to improve performance and water-resistant bonding performance , the effect of increasing the contact area
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Embodiment 1
[0036] The weight of bio-based protein adhesives for wood-based panels is shown in Table 1:
[0037] Table 1
[0038] add ingredients quality main agent 45kg enhancer 0.5kg viscosity modifier 0.1kg crosslinking agent 9kg catalyst 0.1kg
[0039] The main ingredient is deconstructed feather protein powder, the protein content of which is 85.5%, and the particle size is 200-300 mesh.
[0040] The preparation method of described deconstructed feather protein powder is:
[0041](1) tap water thoroughly washes the feathers, then places them in a solvent to soak for two days, and replaces the solvent every day. The solvent is a 50% ethanol aqueous solution by volume fraction, and finally rinses the feathers with distilled water to eliminate solvent residues. The washed feathers are kept at 50°C Dried for 48 hours; soaking in ethanol solution can deconstruct feather protein powder, open disulfide bonds, and improve water solubility a...
Embodiment 2
[0061] The weight of bio-based protein adhesives for wood-based panels is shown in Table 2:
[0062] Table 2
[0063] add ingredients quality main agent 40kg enhancer 1.2kg viscosity modifier 0.1kg crosslinking agent 15kg catalyst 0.3kg
[0064] The main ingredient is deconstructed feather protein powder, the protein content of which is 85.5%, and the particle size is 200-300 mesh.
[0065] The preparation method of described deconstructed feather protein powder is:
[0066] (1) tap water thoroughly washes the feathers, then places them in a solvent to soak for two days, and replaces the solvent every day. The solvent is a 50% ethanol aqueous solution by volume fraction, and finally rinses the feathers with distilled water to eliminate solvent residues. The washed feathers are kept at 50°C Drying under the hood for 48h;
[0067] (2) Feather powder is ground to 200-300 mesh, the NaOH of gained feather protein powder is in the...
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