Method for synthesizing biomass phenolic adhesive
A phenolic adhesive and biomass technology, applied in the direction of aldehyde/ketone condensation polymer adhesives, adhesives, adhesive types, etc., can solve the problems of phenolic resin adhesives that have not yet been seen, and achieve stability assurance and product quality Guarantee, the effect of fast feeding and discharging speed
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Embodiment 1
[0024] 1) Divide the raw materials into 3 parts for pre-use: ① 90 parts of phenol, 100 parts of formaldehyde and 48 parts of 32% sodium carbonate solution; ② 100 parts of formaldehyde and 72 parts of catalyst; ③ 120 parts of pulping waste liquid and 10 parts of deionized water.
[0025] 2) Set the reactor to a residence time of materials in the reactor of 2 minutes and a reaction temperature of 80° C., mix the raw materials in ① evenly and put them into the reactor to obtain a reaction solution 1.
[0026] 3) Reset the residence time of the materials in the reactor to 1 min and the reaction temperature to 90° C., put the reaction solution 1 and the mixed ② raw materials into the reactor to obtain the reaction solution 2.
[0027] 4) Reset the residence time of the material in the reactor to 1 min and the reaction temperature to 80° C., put the reaction solution 2 and the mixed raw material ③ into the reactor to obtain the product.
[0028] The application index detection is su...
Embodiment 2
[0030] 1) Divide the raw materials into 3 parts for pre-use: ① 90 parts of phenol, 120 parts of formaldehyde and 72 parts of 32% potassium hydroxide solution; ② 80 parts of formaldehyde and 48 parts of catalyst; ③ 120 parts of paper pulp and 10 parts of deionized water.
[0031] 2) Set the reactor to a residence time of 3 minutes and a reaction temperature of 85° C., mix the raw materials in ① evenly, and pour them into the reactor to obtain a reaction solution 1.
[0032] 3) Reset the residence time of the materials in the reactor to 2 minutes and the reaction temperature to 100° C., put the reaction solution 1 and the mixed raw materials of ② into the reactor to obtain the reaction solution 2.
[0033] 4) Reset the residence time of the material in the reactor to 1.5 min and the reaction temperature to 90° C., put the reaction solution 2 and the mixed raw material ③ into the reactor to obtain the product.
[0034] The application index detection is summarized in the table be...
Embodiment 3
[0036] 1) Divide the raw materials into 3 parts for pre-use: ① 90 parts of phenol, 160 parts of formaldehyde and 84 parts of 32% potassium hydroxide; ② 40 parts of formaldehyde and 36 parts of catalyst; ③ 120 parts of white mud and 10 parts of deionized water.
[0037] 2) Set the reactor to have a residence time of materials in the reactor of 4 minutes and a reaction temperature of 90° C., mix the raw materials of ① evenly and put them into the reactor to obtain a reaction solution 1.
[0038] 3) Reset the residence time of the materials in the reactor to 3 minutes and the reaction temperature to 120° C., put the reaction solution 1 and the mixed ② raw materials into the reactor to obtain the reaction solution 2.
[0039] 4) Reset the residence time of the material in the reactor to 2 minutes and the reaction temperature to 100° C., put the reaction solution 2 and the mixed raw material ③ into the reactor to obtain the product.
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