Quaternization lignin-base dispersing agent and preparation process and application thereof
The technology of a lignin-based, quaternary ammonium reagent is applied in the fields of environment-friendly materials, dispersants, and fine chemicals, which can solve the problems of inability to change the surface activity of lignosulfonates and high prices, and achieves easy availability of production raw materials and low cost. , the effect of short production cycle
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Embodiment 1
[0062] 1. The raw material components used in this embodiment are as follows (unit: kilogram):
[0063] Pulping black liquor (wheat straw, Achnatherum splendens, eucalyptus pulp black liquor mixture, mass ratio 3:2:2, solid content 58%): 540.0 kg;
[0064] Sulfamic acid: 52.2 kg;
[0065] Benzoic acid: 16.0 kg;
[0066] Phenol: 34.8 kg;
[0067] Formaldehyde: 53.9 kg;
[0068] Sodium sulfite: 76.3 kg;
[0069] 1-Chloro-2 hydroxypropyltrimethylammonium chloride: 86.3 kg;
[0070] Water: 140.5 kg.
[0071] 2. Preparation process steps and parameters:
[0072] Into the reactor, add 16.0 kg of benzoic acid and 34.8 kg of phenol and 53.9 kg of formaldehyde at 100°C for 0.5 h, add 540.0 kg of pulping black liquor with a solid content of 58%, and heat up to 40°C, add 52.2 kg of sulfamic acid, and adjust the pH value of the reaction system to 12.0, add 76.3 kg of sodium sulfite to react at 110°C for 3 hours, then add 86.3 kg of 1-chloro-2-hydroxypropyl The trimethylammonium ch...
Embodiment 2
[0074] 1. The raw material components used in this embodiment are as follows (unit: kilogram):
[0075] Pulping black liquor (rice straw, birch, masson pine kraft pulping black liquor mixture, mass ratio 3:2:1, solid content 50%): 495.3 kg;
[0076] p-Sulfuran: 41.3 kg;
[0077] Benzoic acid: 30.0 kg;
[0078] Phenol: 75.0 kg;
[0079] Acetaldehyde: 26.4 kg;
[0080] Sodium bisulfite: 150.0 kg;
[0081] Lauryl dimethyl benzyl ammonium chloride: 22.5 kg;
[0082] Water: 159.5 kg.
[0083] 2. Preparation process steps and parameters:
[0084] In the reactor, add successively 30.0 kilograms of benzoic acid and 75.0 kilograms of phenol, and 26.4 kilograms of acetaldehyde at 90°C for 1 hour, then add 495.3 kilograms of pulping black liquor with a solid content of 58%, and heat up to 60°C, add 41.3 kg of p-aminobenzenesulfonic acid, adjust the pH value of the reaction system to 11.0, add 150.0 kg of sodium bisulfite to react at 90°C for 2 hours, and then add 22.5 kg of dodecy...
Embodiment 3
[0086] 1. The raw material components used in this embodiment are as follows (unit: kilogram):
[0087] Pulping black liquor (mixture of bamboo, bagasse, and awn stem pulping black liquor, the mass ratio is 7:2:1, and the solid content is 60%): 458.8 kg;
[0088] Amethanesulfonic acid: 45.9 kg;
[0089] Benzoic acid: 4.5 kg;
[0090] Phenol: 8.0 kg;
[0091] Acrolein: 10.0 kg;
[0092] Sodium metabisulfite: 25.0 kg;
[0093] Octadecyl dimethyl hydroxyethyl ammonium nitrate: 40.0 kg;
[0094] Water: 407.8 kg.
[0095] 2. Preparation process steps and parameters:
[0096]Add 4.5 kg of benzoic acid, 8.0 kg of phenol, and 10.0 kg of acrolein to the reactor in sequence, react at 85°C for 1.5 hours, then add 458.8 kg of pulping black liquor with a solid content of 60%, and raise the temperature to 30°C, add 45.9 kg of aminomethanesulfonic acid, and adjust the pH value of the reaction system to 13.0, add 25.0 kg of sodium metabisulfite to react at 110°C for 2.5 hours, and then...
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