Glue for plywood with high weather resistance and processing technology of glue
A high weather resistance, plywood technology, applied in the direction of polymer adhesive additives, non-polymer adhesive additives, adhesive additives, etc., can solve problems such as poor water resistance, insufficient bonding strength, and poor temperature resistance , to achieve zero formaldehyde content, controllable cost, and avoid formaldehyde hazards
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Embodiment 1
[0021] The glue for high weather resistance plywood described in Example 1 includes the following component raw materials in mass percentage: 20% weather resistance material, 10% mixed powder, 25% lignin mixed solution, 0.5% protease, initiator 2 %, cellulose 1% and water 41.5%.
[0022] Wherein, the preparation method of the weather-resistant material is as follows: firstly, firstly, soak the fish scallops in the acetic acid solution, the mass ratio of the fish scallops to the acetic acid is 1:2, after soaking for 10 hours, mash the fish scallops to obtain the fish scallops Slurry, acetic acid solution and swim bladder are blended and crushed to dissolve part of the colloid and protein, and then at a temperature of 30°C, chitosan, plasticizer and polyethylene wax are added to the fish maw slurry. The mass ratio of slurry, chitosan, plasticizer and polyethylene wax is 20:1:0.5:2. After stirring and mixing, vacuum distillation is carried out to obtain concentrated material, and...
Embodiment 2
[0032] The glue for high weather resistance plywood described in this embodiment 2 includes the following component raw materials in mass percentage: weather resistance material 25%, mixed powder 15%, lignin mixed solution 23.5%, protease 0.8%, initiator 3.7% %, cellulose 2% and water 30%.
[0033] Wherein, the preparation method of the weather-resistant material is as follows: firstly, firstly, soak the fish scallops in the acetic acid solution, the mass ratio of the fish scallops to the acetic acid is 1:2.5, after soaking for 15 hours, mash the fish scallops to obtain the fish scallops material Slurry, acetic acid solution and swim bladder are blended and crushed to dissolve part of the colloid and protein, and then at a temperature of 40°C, chitosan, plasticizer and polyethylene wax are added to the fish maw slurry, and the fish maw The mass ratio of slurry, chitosan, plasticizer and polyethylene wax is 20:1.5:0.8:2.2. After stirring and mixing, carry out vacuum distillatio...
Embodiment 3
[0043] The glue for high weather resistance plywood described in this embodiment 3 includes the following component raw materials in mass percentage: 30% of weather resistance material, 10% of mixed powder, 15% of lignin mixed solution, 1% of protease, and 5% of initiator %, cellulose 3% and water 36%.
[0044] Wherein, the preparation method of the weather-resistant material is as follows: firstly, first add the fish scallops to the acetic acid solution for soaking, the mass ratio of the fish scallops to the acetic acid is 1: 3, after soaking for 20 hours, mash the fish scallops to obtain the fish scallops material Slurry, acetic acid solution and fish maw are blended and mashed to dissolve part of the colloid and protein, and then at a temperature of 45°C, chitosan, plasticizer and polyethylene wax are added to the fish maw slurry. The mass ratio of slurry, chitosan, plasticizer and polyethylene wax is 20: 2: 1:2.5, after stirring and mixing, carry out vacuum distillation to...
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