Preparation method of modified montmorillonite pepper seed oil flame-retardant leather fatliquoring agent
A technology of Zanthoxylum bungeanum seed oil and leather fatliquoring agent, which is applied in leather impregnation, small raw hide/large raw hide/leather/fur treatment, small raw hide/large raw hide/leather skin/fur chemical treatment, etc., and can solve the amount of smoke Large size, environmental pollution and other problems, to achieve the effect of improving flame retardancy
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Embodiment 1
[0017] Add 10.1 parts by mass of sodium montmorillonite and 108 parts by mass of deionized water into a three-necked flask, and stir at 40°C for 30 minutes to form a uniform dispersion of montmorillonite; add 3.27 parts by mass of hexadecyl to the three-necked flask Trimethylammonium chloride was reacted at 90°C for 4 hours at a constant temperature, the reaction product was filtered, washed with alcohol and water three times, and dried to obtain modified montmorillonite;
[0018] Take 100 parts by mass of Zanthoxylum bungeanum seed oil after decolorization and acid reduction, add 9.5 parts by mass of modified montmorillonite to a three-necked flask and heat up to 70°C and stir for 30 minutes; add 35.4 parts by mass of maleic anhydride, 2.1 parts by mass of concentrated Sulfuric acid was used as a catalyst, the temperature was raised to 108°C, and reacted for 3.0 hours; the temperature was lowered to 80°C, and 85.5 parts by mass of sodium metabisulfite solution was added, react...
Embodiment 2
[0020] Add 10.2 parts by mass of sodium-based montmorillonite and 110 parts by mass of deionized water into a three-necked flask, and stir at 40°C for 30 minutes to form a uniform dispersion of montmorillonite; add 3.27 to 3.29 parts by mass of sixteen Alkyltrimethylammonium chloride was reacted at 90°C for 4 hours at a constant temperature, the reaction product was filtered, washed with alcohol and water three times, and dried to obtain modified montmorillonite;
[0021] Take 100 parts by mass of Zanthoxylum bungeanum seed oil after decolorization and acid reduction, add 9.5 parts by mass of modified montmorillonite to a three-necked flask and heat up to 73°C and stir for 30 minutes; add 35.4 parts by mass of maleic anhydride, 2.1 parts by mass of concentrated Sulfuric acid was used as a catalyst, the temperature was raised to 108°C, and the reaction was performed for 3.0 hours; the temperature was lowered to 80°C, and 84.6 parts by mass of sodium metabisulfite solution was ad...
Embodiment 3
[0023] Add 10.1 parts by mass of sodium-based montmorillonite and 100 parts by mass of deionized water into a three-necked flask, and stir at 40°C for 30 minutes to form a uniform dispersion of montmorillonite; add 3.29 parts by mass of hexadecyl to the three-necked flask Trimethylammonium chloride was reacted at 90°C for 4 hours at a constant temperature, the reaction product was filtered, washed with alcohol and water three times, and dried to obtain modified montmorillonite;
[0024] Take 100 parts by mass of Zanthoxylum bungeanum seed oil after decolorization and acid reduction, add 10.5 parts by mass of modified montmorillonite to a three-necked flask and heat up to 73°C and stir for 30 minutes; add 35.4 parts by mass of maleic anhydride, 2.1 parts by mass of concentrated Sulfuric acid was used as a catalyst, the temperature was raised to 109°C, and the reaction was carried out for 3.0 hours; the temperature was lowered to 80°C, and 84.5 parts by mass of sodium metabisulfi...
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