Triamcinolone acetonide acetate and miconazole nitrate neomycin sulfate cream and preparation method thereof
The technology of Quimixin and cream, applied in the field of Quimixin cream and its preparation, can solve the problems of uneven distribution of main drug components, easy instability of the cream, loss of effectiveness of the cream, etc. Improved penetration and reduced stinging effect
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[0036] The present invention also provides a preparation method of the above-mentioned Trimixin cream, which comprises:
[0037] S1. Mix the water-based auxiliary material with the first water at 75-85°C and keep it for 25-45 minutes to obtain the water phase. Mix the substances in the water-based auxiliary material with the first water thoroughly.
[0038] It is preferably mixed in the water phase tank, and the operation is simple and convenient.
[0039] Preferably, the water-based auxiliary material is mixed with 120-125 parts by weight of water at 130-170 r / min for 2.5-3.5 h; further, each substance in the water-based auxiliary material is fully mixed with the first water.
[0040] S2. Mix the oil-based auxiliary materials at 75-85°C and keep for 25-45 minutes to obtain the oil phase. Mix the substances in the oil-based auxiliary materials thoroughly.
[0041] Specifically, the oil-based auxiliary material is added into the oil phase tank, heated to partially melt the oil-based au...
Example Embodiment
[0052] Example 1
[0053] A new trimi cream, which is prepared by the following method:
[0054] S1. Mix the water-based auxiliary material with the first water, heat up to 85°C, mix for 2.5h under the condition of 160r / min, and keep the temperature for 45min to obtain the water phase.
[0055] Among them, the water-based adjuvants include polysorbate, sorbic acid, propylene glycol, Pingjia and a mixture of glyceryl stearate and polyethylene glycol stearate in a weight ratio of 5:0.6:19:2:3.
[0056] S2. Put the oil-based auxiliary material into the oil phase tank, heat, and after part of the oil-based auxiliary material melts, start the stirring device and mix for 2.5 hours at 85°C and 155r / min, then keep it for 40 minutes to obtain the oil phase.
[0057] The oil-based auxiliary materials include liquid paraffin, stearic acid, sorbitan monostearate, cetyl alcohol, stearyl alcohol and isopropyl palmitate in a weight ratio of 5:3:3:6:7:7.
[0058] S3. After mixing triamcinolone acetonide...
Example Embodiment
[0062] Example 2
[0063] A new trimi cream, which is prepared by the following method:
[0064] S1. Mix the water-based auxiliary material with the first water, raise the temperature to 75°C, mix for 3.5h under the condition of 150r / min, and keep the temperature for 30min to obtain the water phase.
[0065] Among them, the water-based auxiliary materials include polysorbate, sorbic acid, propylene glycol, Pingjia, glyceryl stearate and polyethylene glycol stearate with a weight ratio of 6:0.7:19:2.5:2:0.5:0.015. A mixture of sodium hydroxide and disodium edetate.
[0066] S2. Put the oil-based auxiliary material into the oil phase tank, heat, and after some of the oil-based auxiliary material melts, start the stirring device and mix for 3 hours at 80°C and 155r / min, then keep it for 35 minutes to obtain the oil phase.
[0067] Oil-based auxiliary materials include liquid paraffin, stearic acid, sorbitan monostearate, cetyl alcohol, stearyl alcohol, and isopropyl palmitate in a weight ...
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