Nicotine slow-release patch
A sustained-release patch and nicotine technology, applied in the field of nicotine sustained-release patches, can solve problems such as nicotine addiction, achieve the effect of reducing the number of times of use, prolonging the use time, and quick onset
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Embodiment 1
[0055] The nicotine slow-release patch in this embodiment is composed of a backing layer, a cover layer and a layer of ointment containing medicine, and the materials used in each layer are as follows:
[0056] Backing layer: non-woven fabric
[0057] Cover lining: polyester film
[0058] The medicated ointment layer, by weight, consists of the following components (1000 stickers):
[0059]
[0060]
[0061] Preparation:
[0062] (1) Preparation of nicotine micelles:
[0063] Weigh 10g of polyethylene glycol-polylactic acid (PEG3000-PLA2000), add 500ml of dichloromethane and 2g of natural tobacco extract, and stir to completely dissolve the material to form a yellow solution. The solution was transferred to a 5 L dry and clean round bottom flask, and the methylene chloride was removed by rotary evaporation in a water bath at 40°C, so that the natural tobacco extract and polyethylene glycol-polylactic acid formed a yellow film on the inner wall of the flask. Then it ...
Embodiment 2
[0069] The nicotine slow-release patch in this embodiment is composed of a backing layer, a cover layer and a layer of ointment containing medicine, and the materials used in each layer are as follows:
[0070] Backing layer: non-woven fabric
[0071] Cover lining: aluminum foil-polyethylene composite film
[0072] The medicated ointment layer, by weight, consists of the following components (1000 stickers):
[0073]
[0074]
[0075] Preparation:
[0076] (1) Preparation of nicotine micelles:
[0077] Same as Example 1
[0078] (2) Preparation of medicated ointment:
[0079] Weigh gelatin, sodium polyacrylate, and polyvinyl alcohol according to the prescription amount, add 400 grams of water to make swelling, stir and mix evenly, and adjust the pH to about 8.0; mix glycerin and zinc oxide evenly, add to the above swelling solution, stir and mix evenly Add the mixture of propylene glycol, azone, menthol, and nicotine micelles to obtain a medicated ointment.
[008...
Embodiment 3
[0083] The nicotine slow-release patch in this embodiment is composed of a backing layer, a cover layer and a layer of ointment containing medicine, and the materials used in each layer are as follows:
[0084] Backing layer: non-woven fabric
[0085] Lid lining: Polyethylene film
[0086] The medicated ointment layer, by weight, consists of the following components (1000 stickers):
[0087]
[0088] Preparation:
[0089] (1) Preparation of nicotine micelles:
[0090] Same as Example 1
[0091] (2) Preparation of medicated ointment:
[0092] Weigh sodium polyacrylate, carbomer 934p and add 400 grams of distilled water to make swelling according to the prescription, add aluminum trichloride, stir and mix evenly and adjust the pH to 8.0, then add mixed glycerin and kaolin, stir and mix; then A mixed solution of propylene glycol, menthol and nicotine micelles is added; finally, citric acid is added, stirred and mixed evenly to obtain a medicated ointment.
[0093] (3) P...
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