Povidone iodine compound, preparation method and application thereof
A technology of povidone-iodine and a composition, which is applied in the field of oral care, can solve the problems of pungent taste of mouthwash, aggravate carcinogenicity, serious tooth decay, etc., and achieve excellent hemostatic effect, less irritation, and the effect of relieving bleeding gums
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preparation example 1
[0077] Preparation example 1, prepare povidone-iodine powder
[0078] The preparation method of povidone iodine powder comprises the steps:
[0079] (1) Add the PVP homopolymer YK006S30 / 60, solid iodine and solid salicylic acid into the vacuum reaction kettle with grooved anchor grid stirring paddle in sequence, then seal the lid of the reaction kettle and control the temperature at 25°C , control the stirring speed at 150r / min, stir and mix for 150min, then increase the temperature by 5°C every 90min, and increase the speed by 25r / min at the same time, until the reaction temperature rises to 90°C, continue the heat preservation reaction for 480min, and obtain the intermediate material; among them, PVP homopolymer The mass ratio of substance and solid iodine is 5.4:1, and the addition amount of solid salicylic acid is 0.01% of the total mass of PVP homopolymer and solid iodine;
[0080] (2), the intermediate material that step (1) is obtained is crossed 80 mesh sieves, adopts...
preparation example 2
[0082] Preparation example 2, prepare povidone-iodine powder
[0083] The preparation method of povidone iodine powder comprises the steps:
[0084] (1), PVP homopolymer Kolidone, solid iodine and anhydrous citric acid are added into the vacuum reactor with grooved anchor grid type stirring paddles in sequence, and then the lid of the reactor is sealed, and the temperature is controlled to be 30°C. The stirring speed is 100r / min, stirring and mixing for 300min, and then the temperature is raised by 3°C every 100min, and the speed is increased by 50r / min at the same time, until the reaction temperature rises to 100°C, and the heat preservation reaction is continued for 240min to obtain the intermediate material; among them, PVP homopolymer, The mass ratio of solid iodine is 4.4:1, and the amount of anhydrous citric acid added is 0.05% of the total mass of the PVP homopolymer and solid iodine;
[0085] (2), the intermediate material that step (1) is obtained is crossed 80 mesh ...
preparation example 3
[0087] Preparation example 3, prepare povidone-iodine powder
[0088] The preparation method of povidone iodine powder comprises the steps:
[0089] (1), the PVP homopolymer Plasdone K-25 of formula quantity, solid iodine and solid sodium salicylate are added successively in the vacuum reactor with grooved anchor grid formula stirring paddle, then seal reactor lid, control temperature is 20°C, control the stirring speed to 300r / min, stir and mix for 300min, then increase the temperature by 10°C every 80min, and increase the speed by 75r / min at the same time, until the reaction temperature rises to 80°C, continue the heat preservation reaction for 720min, and obtain the intermediate material; among them, PVP The mass ratio of homopolymer to solid iodine is 6.4:1, and the amount of solid sodium salicylate added is 0.1% of the total mass of the PVP homopolymer and solid iodine;
[0090] (2), the intermediate material that step (1) is obtained is crossed 80 mesh sieves, adopts pu...
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