Bone meal and potassium humate based interpenetrating polymer network type phosphorus-potassium-rich water-retention nutritional fertilizer and preparation method thereof
An interpenetrating network type and potassium humate technology, which is applied in the field of bone meal and potassium humate-based interpenetrating network type phosphorus-rich potassium water-retaining nutrient fertilizer and its preparation
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Embodiment 1
[0037] According to mass percentage, 40% of bone powder, 8% of potassium humate, 35% of acrylic acid, 15% of acrylamide, 0.5% of initiator ammonium persulfate and 1.5% of crosslinking agent N,N-methylenebisacrylamide are respectively taken. Grind bone meal to 100 mesh, mix with potassium humate, and then prepare a mixed solution with a total solid content of 40% with distilled water, add acrylic acid to the mixed system, adjust the pH to 5.0 with 15% potassium hydroxide solution, and then Add acrylamide into the mixture, stir well to disperse. The initiator and crosslinking agent were added in sequence, the temperature was raised to 55° C., and the crosslinking reaction was carried out for 3 hours to form a crosslinking complex. The cross-linked complex is vacuum-dried at 50° C., crushed, and passed through an 8-mesh sieve to obtain bone powder and potassium humate-based interpenetrating network type phosphorus-rich potassium water-retaining nutrient fertilizer. The specific ...
Embodiment 2
[0044] According to mass percentage, 30% of bone meal, 10% of potassium humate, 40% of acrylic acid, 18% of acrylamide, 0.5% of initiator ammonium persulfate and 1.5% of crosslinking agent N,N-methylenebisacrylamide are respectively taken. Grind bone powder to 80 mesh, mix with potassium humate, and then prepare a mixed solution with a total solid content of 40% with distilled water, add acrylic acid to the mixed system, adjust the pH to 5.0 with 20% potassium hydroxide solution, and then Add acrylamide into the mixture, stir well to disperse. The initiator and crosslinking agent were added in sequence, the temperature was raised to 55° C., and the crosslinking reaction was carried out for 3 hours to form a crosslinking complex. The cross-linked complex is vacuum-dried at 50° C., crushed, and passed through a 12-mesh sieve to obtain bone meal and potassium humate-based interpenetrating network type phosphorus-rich potassium water-retaining nutrient fertilizer.
[0045] After ...
Embodiment 3
[0047] According to the mass percentage, 28% of bone meal, 15% of potassium humate, 40% of acrylic acid, 15% of acrylamide, 1% of initiator ammonium persulfate and 1% of crosslinking agent N,N-methylenebisacrylamide are respectively taken. Grind bone powder to 120 mesh, mix with potassium humate, and then prepare a mixed solution with a total solid content of 40% with distilled water, add acrylic acid to the mixed system, adjust the pH to 6.0 with 20% potassium carbonate, and then add propylene The amide is added into the mixture, fully stirred and dispersed to form a pre-crosslinked system. Add an initiator and a cross-linking agent, raise the temperature to 60° C., and conduct a cross-linking reaction for 3 hours to form a cross-linked complex. The cross-linked complex is vacuum-dried at 50° C., crushed, and passed through a 10-mesh sieve to obtain bone meal and potassium humate-based interpenetrating network type phosphorus-rich potassium water-retaining nutrient fertilizer...
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Abstract
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