Reagent used for corrosion prevention of populus tomentosa plate white rot fungi
A technology of white rot fungi and poplar tomentosa, which is applied in the direction of wood treatment, wood impregnation, wood impregnation, etc., to achieve the effects of being environmentally friendly, improving chemical stability, and improving anti-corrosion performance.
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Embodiment 1
[0014] A kind of reagent that is used for white rot fungus anticorrosion of Populus tomentosa plate, its preparation method comprises the following steps:
[0015] (1) Prepare raw materials according to the following weight ratio: 10 parts of chitosan, 29 parts of hydroxycarboxylic acid aqueous solution with a concentration of 4.2mol / L, 1.2 parts of dimethylformamide, 10 parts of copper chloride dihydrate, precipitated white carbon black 7 parts, 1.5 parts of salicylic acid, 0.05 part of trisiloxane surfactant, 0.02 part of mercapto-containing silane coupling agent;
[0016] (2) Ultrasonic dissolve chitosan, copper chloride dihydrate, 4.2mol / L hydroxycarboxylic acid aqueous solution, and dimethylformamide in water, then heat up to 65°C, stir and react for 1.2 hours, then use hydrogen Adjust the pH value of the mixed solution with sodium oxide to 5.6, continue the heat preservation reaction for 25 minutes, rinse with deionized water to neutrality after completion, then ultrafil...
Embodiment 2
[0021] A kind of reagent that is used for white rot fungus anticorrosion of Populus tomentosa plate, its preparation method comprises the following steps:
[0022] (1) Prepare raw materials according to the following weight ratio: 10 parts of chitosan, 32 parts of hydroxycarboxylic acid aqueous solution with a concentration of 4mol / L, 0.8 parts of dimethylformamide, 12 parts of copper chloride dihydrate, 6 parts of precipitated white carbon black part, 2 parts of salicylic acid, 0.02 part of trisiloxane surfactant, 0.03 part of silane coupling agent containing mercapto;
[0023] (2) Dissolve chitosan, copper chloride dihydrate, 4.5 mol / L hydroxycarboxylic acid aqueous solution, and dimethylformamide in water by ultrasonic, then heat up to 70°C, stir and react for 1.5 hours, then use hydrogen Adjust the pH value of the mixed solution with sodium oxide to 5.4, continue the heat preservation reaction for 30 minutes, rinse with deionized water to neutrality after completion, then ...
Embodiment 3
[0028] A kind of reagent that is used for white rot fungus anticorrosion of Populus tomentosa plate, its preparation method comprises the following steps:
[0029] (1) Prepare raw materials according to the following weight ratio: 10 parts of chitosan, 26 parts of hydroxycarboxylic acid aqueous solution with a concentration of 4.5mol / L, 1.6 parts of dimethylformamide, 8 parts of copper chloride dihydrate, precipitated white carbon black 8 parts, 1 part of salicylic acid, 0.08 part of trisiloxane surfactant, 0.01 part of mercapto-containing silane coupling agent;
[0030] (2) Dissolve chitosan, copper chloride dihydrate, 4mol / L aqueous solution of hydroxycarboxylic acid, and dimethylformamide in water by ultrasonic, then heat up to 60°C, stir and react for 1 hour, and oxidize with hydrogen Adjust the pH value of the mixed solution with sodium to 5.8, continue the heat preservation reaction for 20 minutes, rinse with deionized water to neutrality after completion, then ultrafilt...
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