Propranolol hydrochloride smearing preparation and preparation method and application thereof
A technology of propranolol hydrochloride and smear, applied in the field of medicine, can solve problems such as hypotension, hypoglycemia, bradycardia, etc., and achieve the effect of promoting healing, reducing infection and no skin irritation
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Embodiment 1
[0029] Weigh 1g propranolol hydrochloride and 0.05g sorbic acid, add appropriate amount of water, heat in a water bath to dissolve completely, then add 0.3g polyvinylpyrrolidone, 1.7g poloxamer 407, 0.5g chitosan, mechanically stir to make Completely swell; take another 2g of isopropyl myristate and 4g of propylene glycol, stir to completely dissolve each other, add to the matrix in which propranolol hydrochloride is dissolved, and stir evenly to obtain propranolol hydrochloride smear.
Embodiment 2
[0031] Weigh 3g of propranolol hydrochloride and 0.05g of sorbic acid, add appropriate amount of water, heat in a water bath to dissolve completely, then add 1.0g of polyvinylpyrrolidone, 5.0g of poloxamer 407, 1.0g of chitosan, and stir mechanically to make Completely swell; take another 4g of isopropyl myristate and 6g of propylene glycol, stir to completely dissolve each other, add to the matrix in which propranolol hydrochloride is dissolved, and stir evenly to obtain propranolol hydrochloride smear.
Embodiment 3
[0033] Weigh 8g of propranolol hydrochloride and 0.04g of sorbic acid, add appropriate amount of water, heat in a water bath to dissolve completely, then add 1.5g of polyvinylpyrrolidone, 8.5g of poloxamer 407, 2.0g of chitosan, and mechanically stir to make Swell completely; Take another 5g of isopropyl palmitate and 8g of glycerin, stir to completely dissolve each other, then add to the matrix in which propranolol hydrochloride is dissolved, and stir evenly to obtain propranolol hydrochloride smear.
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