Technological method of producing ibuprofen tablets through two times of granulation
A technology of ibuprofen tablet and process method, which is applied in the direction of anti-inflammatory agent, pill delivery, pharmaceutical formulation, etc., can solve the problems such as improvement of tabletting performance, achieve the effects of improving fluidity, good stability, and improving tabletting efficiency
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specific Embodiment approach
[0031] The specific embodiment: a kind of processing method of twice granulation production ibuprofen tablet, concrete steps are as follows:
[0032] (1) Preparation of ibuprofen micropowder:
[0033] In an ice-water bath at 0-5°C, under the condition of ultrasound or stirring, add dropwise at a constant rate of 1ml / min-5ml / min, and add a certain amount dropwise to the aqueous solution containing 2% stabilizer povidone K30 Amount of 0.05g / ml-0.10g / ml ibuprofen ethanol solution until the solution system becomes turbid, let it stand for 5-10h, and centrifuge at a high speed until the separation is complete, the obtained solid sample is washed and centrifuged, and the supernatant is removed. Dried in a vacuum drying oven at -50°C, ground and sieved to obtain ibuprofen micropowder;
[0034] (2) preparation of ibuprofen dispersion:
[0035] According to the mass ratio of silicon dioxide and acrylic resin drug carrier 1: (2-4) mixed as carrier;
[0036] According to the ratio of ...
Embodiment 1
[0046] The preparation of every 1000 ibuprofen tablets, concrete steps are as follows:
[0047] (1) Preparation of ibuprofen micropowder:
[0048] Get 400g ibuprofen and dissolve in absolute ethanol solution to prepare 0.10g / ml ibuprofen ethanol solution;
[0049] In an ice-water bath at 0°C, under ultrasonic conditions, add ibuprofen ethanol solution dropwise at a constant rate of 2ml / min to the aqueous solution containing 2% stabilizer povidone K30 until the solution system becomes cloudy , stand still for 10 hours, centrifuge at high speed until the separation is complete, wash and centrifuge the obtained solid sample, remove the supernatant, dry the obtained product in a vacuum oven at 50°C, grind and sieve to obtain ibuprofen micropowder;
[0050] (2) preparation of ibuprofen dispersion:
[0051]Weigh 25g of silicon dioxide and 70g of acrylic resin drug carrier as the carrier, mix evenly with the ibuprofen micropowder obtained above, add to the hopper of the hot-melt ex...
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