A kind of external plaster for treating joint pain and arthritis and preparation method thereof
A technology for joint pain and joint, which is applied in the field of topical plaster for treating joint pain and joint inflammation and its preparation field, can solve the problems of short drug effect time, difficulty in achieving air permeability, poor air permeability and the like, and achieves simple preparation method and good sustained release effect, effect of good breathability
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Embodiment 1
[0036] An external plaster for treating joint pain and arthritis, prepared from the following raw materials in parts by weight:
[0037]250 parts of pepper, 25 parts of menthol, 25 parts of borneol, 200 parts of rubber, 80 parts of lanolin, 240 parts of zinc oxide, 240 parts of rosin, 70 parts of beeswax, 7 parts of coating agent, 500 parts of gasoline; Acetyl chitin;
[0038] Wherein, zinc oxide is a mixture of zinc oxide powder and zinc oxide fiber, wherein the weight percentage of zinc oxide fiber is 45%; the length of zinc oxide fiber is 50 μm, the aspect ratio is 5, and the particle size of zinc oxide powder is 200 mesh;
[0039] Zinc oxide is processed through the following steps before use:
[0040] Add zinc oxide to water twice the weight of zinc oxide, then add carboxymethyl cellulose with 20% weight of zinc oxide, and stir magnetically at a speed of 41rpm for 10 minutes, then magnetically stir at a speed of 11rpm for 1 minute, then vacuum The liquid is removed by f...
Embodiment 2
[0051] An external plaster for treating joint pain and arthritis, prepared from the following raw materials in parts by weight:
[0052] 250 parts of pepper, 30 parts of menthol, 30 parts of borneol, 250 parts of rubber, 90 parts of lanolin, 250 parts of zinc oxide, 255 parts of rosin, 80 parts of beeswax, 9 parts of coating agent, 560 parts of gasoline; Acetyl chitin and dimethylaminoethyl methacrylate-methacrylate copolymer are composed at a weight ratio of 5:4;
[0053] Wherein, zinc oxide is a mixture of zinc oxide powder and zinc oxide fiber, wherein the weight percentage of zinc oxide fiber is 50%; the length of zinc oxide fiber is 200 μm, the aspect ratio is 7, and the particle size of zinc oxide powder is 300 mesh;
[0054] Zinc oxide is processed through the following steps before use:
[0055] Add zinc oxide to water that is 4 times the weight of zinc oxide, then add carboxymethyl cellulose with 30% weight of zinc oxide, and magnetically stir at a speed of 45rpm for...
Embodiment 3
[0066] An external plaster for treating joint pain and arthritis, prepared from the following raw materials in parts by weight:
[0067] 250 parts of pepper, 30 parts of menthol, 30 parts of borneol, 250 parts of rubber, 90 parts of lanolin, 250 parts of zinc oxide, 255 parts of rosin, 80 parts of beeswax, 9 parts of coating agent, 560 parts of gasoline; Acetyl chitin and dimethylaminoethyl methacrylate-methacrylate copolymer are composed at a weight ratio of 5:12;
[0068] Wherein, zinc oxide is a mixture of zinc oxide powder and zinc oxide fiber, wherein the weight percentage of zinc oxide fiber is 50%; the length of zinc oxide fiber is 200 μm, the aspect ratio is 7, and the particle size of zinc oxide powder is 300 mesh;
[0069] Zinc oxide is processed through the following steps before use:
[0070] Add zinc oxide to water that is 4 times the weight of zinc oxide, then add carboxymethyl cellulose with 30% weight of zinc oxide, and magnetically stir at a speed of 45rpm fo...
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