Cationic surfactant and application thereof
A surfactant, cationic technology, used in textiles and papermaking, fiber treatment, plant fibers, etc., can solve the problems of odor, discomfort, and can not prevent the reproduction of microorganisms well, and achieve significant bactericidal effect and good anti-yellowing performance. Effect
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[0016] 2 Experimental part
[0017] 2.1 Determination of antibacterial properties of tetradecylmethyldihydroxyethylammonium bromide in non-woven fabrics and cotton cloths The antibacterial properties of cotton cloths and non-woven fabrics treated with different concentrations of quaternary ammonium salt solutions were determined by the oscillation method .
[0018] 2.1.1 Experimental materials and instruments
[0019] Table 2-1 Experimental materials and reagents
[0020]
[0021] Table 2-2 Experimental instruments and equipment
[0022]
[0023] 2.1.2 Antibacterial test method
[0024] (1) Preparation before experiment
[0025] ①Take some non-woven fabrics and cotton fabrics and cut them into specifications of about 20mm×20mm. Then wash and dry with water at 40°C, weigh 0.5g ± 0.05g as a sample and wrap it in kraft paper. Prepare tetradecylmethyldihydroxyethylammonium bromide solutions with different mass concentrations of 125mg / L, 250mg / L, 500mg / L, 750mg / L, and 1...
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