Preparation method of environment-friendly printing ink cleaner
A cleaning agent, an environmentally friendly technology, applied in the field of ink cleaning agent preparation, can solve the problems of printing environment and workers' health effects, high organic solvent content, slow cleaning speed, etc., to achieve good cleaning effect, low organic solvent content, strong wetting effect
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example 1
[0016] First weigh 80g of potato starch, add it to 160mL of ethylene glycol, and stir at 300r / min for 15min, then add 5mL of sulfuric acid solution with a mass fraction of 98%, continue stirring for 20min, then add 80g of n-dodecyl alcohol, 1.8g of p-toluenesulfonate acid, and heated to 110°C, stirred for 4 hours, then cooled to 70°C, and allowed to stand for 2 hours to obtain a mixed solution, then adjusted the pH of the mixed solution to 8.0 with a mass fraction of 3% sodium hydroxide solution, and distilled under reduced pressure, Obtain starch-based dodecyl glucoside; then weigh 100g sodium lauryl sulfate, add it to 200mL n-butanol, stir at 300r / min for 15min, then add 50mL xylene, 400mL deionized water, 0.8g sodium chloride , 15g of the above-mentioned starch-based dodecyl glucoside was stirred at 800r / min for 20min to obtain a mixed microemulsion; finally, in parts by weight, 20 parts of D-limonene, 5 parts of fatty alcohol polyoxyethylene ether sodium sulfate, 1 Parts o...
example 2
[0019] First weigh 90g of potato starch, add it into 170mL of ethylene glycol, and stir at 350r / min for 18min, then add 5mL of sulfuric acid solution with a mass fraction of 98%, continue to stir for 25min, then add 90g of n-dodecyl alcohol, 1.9g of p-toluenesulfonate acid, and heated to 115°C, stirred for 4 hours, then cooled to 75°C, and allowed to stand for 2 hours to obtain a mixed solution, then adjusted the pH of the mixed solution to 8.3 with a mass fraction of 3% sodium hydroxide solution, and distilled under reduced pressure, Obtain starch-based dodecyl glucoside; then weigh 110g of sodium lauryl sulfate, add it to 220mL of n-butanol, stir at 400r / min for 18min, then add 55mL of xylene, 4250mL of deionized water, and 0.9g of sodium chloride , 18g of the above-mentioned starch-based dodecyl glucoside was stirred at 1000r / min for 25min to obtain a mixed microemulsion; finally, in parts by weight, 23 parts of D-limonene, 8 parts of fatty alcohol polyoxyethylene ether sodi...
example 3
[0022] First weigh 100g of potato starch, add it to 180mL of ethylene glycol, and stir at 400r / min for 20min, then add 6mL of sulfuric acid solution with a mass fraction of 98%, continue stirring for 30min, then add 100g of n-dodecyl alcohol, 2.0g of p-toluenesulfonate acid, and heated to 120°C, stirred and reacted for 5h, then cooled to 80°C, and stood still for 3h to obtain a mixed solution, then adjusted the pH of the mixed solution to 8.5 with a mass fraction of 3% sodium hydroxide solution, and distilled under reduced pressure, Obtain starch-based dodecyl glucoside; then weigh 120g sodium lauryl sulfate, add it to 240mL n-butanol, stir at 500r / min for 20min, then add 60mL xylene, 450mL deionized water, 1.0g sodium chloride , 20g of the above-mentioned starch-based dodecyl glucoside, stirred at 1200r / min for 30min to obtain a mixed microemulsion; finally in parts by weight, weighed 25 parts of D-limonene, 10 parts of fatty alcohol polyoxyethylene ether sodium sulfate, 2 Pa...
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