Plant antibacterial agent based facing material and preparation method thereof
A technology of plant antibacterial agent and decorative material, which is applied in the field of decorative material based on plant antibacterial agent and its preparation, which can solve the problems of questionable biological safety, allergies of sensitive people, and reduced antibacterial effect
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Embodiment 1
[0036] Extraction of active ingredients in turmeric: get 2kg turmeric to wash, pulverize, add acid and hydrolyze, centrifuge to separate solid hydrolyzate; use ethyl acetate as extractant, carry out reflux extraction, the volume-to-mass ratio of extractant to solid hydrolyzate during extraction 4:1, extract for 3 hours; then adjust the pH to 8.5 with ammonia water in the purified solution; take the supernatant, use ethyl acetate as the extractant, and carry out reflux extraction to obtain the turmeric root extract; concentrate the turmeric root extract to the original After 1 / 3 of the volume, carry out 200 mesh silica gel column chromatography, then use No. 6 gasoline, chloroform volume ratio as solvent elution 4h, utilize ultraviolet detector, at 230nm, collect curcumarrhizol respectively according to the peak , yellow root diol crude crystals; curcumarrhizol, yellow root glycol crude crystals are dissolved with ethanol solution respectively, filter, after the filtrate is conc...
Embodiment 2
[0040] The extraction of active ingredient in turmeric: with embodiment 1.
[0041] The configuration of the composite finishing solution: use sodium dodecylbenzenesulfonate and Tween-80 with a mass ratio of 2:1 as the emulsifier, and emulsify xanthoradiol into an emulsion with a concentration of 10%wt. Then it is further configured into an antibacterial finishing solution, including the following components: the concentration of turmeric root extract (10wt% active ingredient) is 30g / L, the concentration of mugwort extract (commercially available essential oil) is 5g / L, and the cross-linking agent (a composition formed by mixing citric acid and DL-2,3-dihydroxybenzoic acid at a molar ratio of 2:1) the concentration is 35g / L, the concentration of sodium hypophosphite is 3g / L, and the concentration of JFC is 1g / L L, the solvent is deionized water.
[0042] Antibacterial finishing: at room temperature, immerse the cotton fabric in the composite finishing solution for 15 minutes,...
Embodiment 3
[0044] The extraction of active ingredient in turmeric: with embodiment 1.
[0045] The configuration of the composite finishing solution: the composition of sodium dodecylbenzenesulfonate and Tween-80 with a mass ratio of 2:1 is used as an emulsifier, and curcumarrhizol and xanthoradiol are mixed in a ratio of 1:2, and then Emulsified to 10%wt concentration of emulsion. Then it is further configured into an antibacterial finishing solution, including the following components: the concentration of turmeric root extract (10wt% active ingredient) is 30g / L, the concentration of mugwort extract (commercially available essential oil) is 5g / L, and the cross-linking agent (a composition formed by mixing citric acid and DL-2,3-dihydroxybenzoic acid at a molar ratio of 2:1) the concentration is 35g / L, the concentration of sodium hypophosphite is 3g / L, and the concentration of JFC is 1g / L L, the solvent is deionized water.
[0046] Antibacterial finishing: at room temperature, immerse...
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