A kind of preparation method of macroporous adsorption resin for polyphenol purification
A pore adsorption and resin technology, which is applied in the field of preparation of macroporous adsorption resins for polyphenol purification, can solve the problems of high separation cost, low adsorption efficiency, and low purity of flavonoids by liquid chromatography, and achieve high adsorption efficiency and large adsorption capacity , Improve the effect of adsorption performance
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Embodiment 1
[0018] A preparation method of macroporous adsorption resin for polyphenol purification, comprising the following steps:
[0019] S1. In parts by weight, 5 parts of sodium chloride, 4 parts of gelatin and 3.3 parts of Tween60 are dissolved in 40 parts of water, and stirred evenly to obtain an aqueous phase;
[0020] S2. In parts by weight, take 2 parts of phenylacrylamide, 12 parts of styrene and ~1 part of 2,6-dichlorostyrene as a monomer, add 4.62 parts of ether and 7.38 parts of n-heptane to the monomer , 0.165 parts of dibenzoyl peroxide, 0.33 parts of Span80 and 0.8 parts of divinylbenzene are mixed to obtain an oil phase;
[0021] S3. In terms of parts by weight, add 40 parts of the water phase to the container, bathe in water at 25°C, then slowly add 15 parts of the oil phase to the water phase, stir at a speed of 1200r / min for 15min, and then adjust the speed to Stir continuously at 200r / min, raise the temperature of the water bath to 70°C for 4 hours, then raise the ...
Embodiment 2
[0024] A preparation method of macroporous adsorption resin for polyphenol purification, comprising the following steps:
[0025] S1. In parts by weight, 6 parts of sodium chloride, 2 parts of gelatin and 3.3 parts of Tween60 are dissolved in 40 parts of water, and stirred evenly to obtain an aqueous phase;
[0026] S2. In parts by weight, take 3 parts of phenylacrylamide, 11 parts of styrene and 0.5 parts of 2,6-dichlorostyrene as monomers, add 4.4 parts of ether, 10.1 parts of n-heptane, 0.16 parts of dibenzoyl peroxide, 0.275 parts of Span80 and 0.5 parts of divinylbenzene are mixed to obtain an oil phase;
[0027] S3. In terms of parts by weight, add 40 parts of the water phase to the container, bathe in water at 10°C, then slowly add 12 parts of the oil phase to the water phase, stir at a speed of 1500r / min for 20min, and then adjust the speed to Stir continuously at 300r / min, raise the temperature of the water bath to 68°C for 4 hours, then raise the temperature to 92°C...
Embodiment 3
[0030] A preparation method of macroporous adsorption resin for polyphenol purification, comprising the following steps:
[0031] S1. In parts by weight, 5 parts of sodium chloride, 3 parts of gelatin and 3.3 parts of Tween60 are dissolved in 40 parts of water, and stirred evenly to obtain an aqueous phase;
[0032] S2. In parts by weight, 2.5 parts of phenylacrylamide, 10 parts of styrene and 0.5 parts of 2,6-dichlorostyrene are mixed as monomers, and 3.9 parts of ether, 7.8 parts of n-heptane, 0.129 parts of dibenzoyl peroxide, 0.3 parts of Span80 and 0.6 parts of divinylbenzene are mixed to obtain an oil phase;
[0033] S3. In terms of parts by weight, add 40 parts of the water phase to the container, bathe in water at 20°C, then slowly add 14 parts of the oil phase to the water phase, stir at a speed of 1000r / min for 18min, and then adjust the speed to Stir continuously at 250r / min, raise the temperature of the water bath to 68°C and keep it for 4 hours, then raise the te...
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