Insect pheromone slow-release agent and preparation method thereof
A technology of insect pheromone and slow-release agent, applied in the fields of botanical equipment and methods, pesticides, chemical instruments and methods, etc., can solve the problems of pheromone failure, abundance, pheromone isomerization, etc., and achieve excellent pore size The effect of structure, excellent specific surface area
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Embodiment 1
[0042] A preparation method of corn borer pheromone sustained-release agent, carried out as follows:
[0043] Step (1) Preparation of slow-release carrier
[0044] (1) High-temperature carbonization: Wash Uralia sativa, cut into sections, soak in ferric chloride solution with a concentration of 0.05%wt, stir at 450rpm for 40min, the mass ratio of Urami sativa to ferric chloride solution is 1:100, and dry After drying, crush and pass through a 200-mesh sieve, in H 2 and N 2 In a mixed atmosphere with an air flow ratio of 1:9, with a total air flow of 120mL / min, heat at 400°C for 2.5h to obtain Ulacao coarse charcoal;
[0045] (2) Activation: Add Uralia sativa coarse charcoal to 4%wt sodium hydroxide solution, the mass volume ratio of Urami sativa coarse charcoal to sodium hydroxide solution is 1g: 30mL, soak for 30min at 70°C, and then Filter dried at N 2 In air, keep warm at 600°C for 1.5h;
[0046] (3) Post-treatment: Soak the Ulagrass charcoal prepared in step (2) in hy...
Embodiment 2
[0052] A preparation method of Spodoptera litura sex pheromone sustained-release agent, carried out as follows:
[0053] Step (1) Preparation of slow-release carrier
[0054] (1) High-temperature carbonization: Wash Uralia sativa, cut into sections, soak in ferric chloride solution with a concentration of 0.01%wt, stir at 350rpm for 60min, the mass ratio of Urami sativa to ferric chloride solution is 1:50, and dry After drying, crush and pass through a 10-mesh sieve, in H 2 and N 2 In a mixed atmosphere with an air flow ratio of 1:9, with a total air flow of 100mL / min, heat at 600°C for 1.5h to obtain Ulagrass coarse carbon;
[0055] (2) Activation: add Ulagrass coarse charcoal to 6%wt sodium hydroxide solution, the mass volume ratio of Ulacao charcoal to sodium hydroxide solution is 1g: 60mL, soak at 80°C for 15min, then filter and dry dry, in N 2 In the atmosphere, keep warm at 1000°C for 1h;
[0056] (3) Post-treatment: Soak the Ulagrass charcoal prepared in step (2) i...
Embodiment 3
[0063] A preparation method of corn borer pheromone sustained-release agent, carried out as follows:
[0064] Step (1) Preparation of slow-release carrier
[0065] (1) High-temperature carbonization: Wash Uralia sativa, cut into sections, soak in ferric chloride solution with a concentration of 0.02%wt, stir at 400rpm for 50min, the mass ratio of Urami sativa to ferric chloride solution is 1:80, and dry After drying, crush and pass through a 100-mesh sieve, in H 2 and N 2 In a mixed atmosphere with an air flow ratio of 1:9, with a total air flow of 110mL / min, heat preservation at 500°C for 2 hours to obtain Ulacao coarse charcoal;
[0066] (2) Activation: add Ulagrass coarse charcoal to 5%wt sodium hydroxide solution, the mass volume ratio of Ulacao charcoal to sodium hydroxide solution is 1g:50mL, soak at 75°C for 20min, then filter and dry dry, in N 2 In air, keep warm at 900°C for 1.2h;
[0067] (3) Post-treatment: Soak the Ulagrass charcoal prepared in step (2) in hyd...
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