A kind of cellulose chiral derivative and its preparation method and use
A technology of cellulose and derivatives, which is applied in the field of chiral cellulose derivatives and their preparation, can solve the problems of unsuitable chiral stationary phase, poor solubility, non-rigidity, etc., and achieve chiral separation, effect improvement, chiral Effect of separation function improvement
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Embodiment 1
[0023] Take 10cm×30cm filter paper and 10g of cellulose powder and soak them in 100mL 5% NaOH solution for 2h respectively. The treated filter paper is washed until neutral, and dried; the treated cellulose powder is filtered, washed until neutral, and dried.
Embodiment 2
[0025] The filter paper treated in Example 1 was placed in a reactor, and a 2wt% sodium periodate solution (containing periodic acid and periodate aqueous solution) was added at pH=5, and the reaction was carried out in a water bath at 35° C. under light-shielding conditions. After the reaction, wash with ethanol and pure water successively until no IO can be detected. 4 - , air-dried naturally to obtain an oxidized filter paper with an aldehyde content of 29.76%.
Embodiment 3
[0027] The filter paper treated in Example 1 was placed in a reactor, and a 10wt% sodium periodate solution (containing periodic acid and periodate aqueous solution) was added at pH=2, and reacted in a water bath at 45°C for 10 After the reaction, wash with ethanol and pure water successively until no IO can be detected. 4 - , air-dried naturally to obtain an oxidized filter paper with an aldehyde content of 85.06%.
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