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8 results about "Magnesium stearate" patented technology

Magnesium stearate is the chemical compound with the formula Mg(C₁₈H₃₅O₂)₂. It is a soap, consisting of salt containing two equivalents of stearate (the anion of stearic acid) and one magnesium cation (Mg²⁺). Magnesium stearate is a white, water-insoluble powder. Its applications exploit its softness, insolubility in many solvents, and low toxicity. It is used as a release agent and as a component or lubricant in the production of pharmaceuticals and cosmetics.

Preparation method of domperidone tablets

ActiveCN109481410AIncrease productivityHigh tablet hardnessOrganic active ingredientsDigestive systemCelluloseMagnesium stearate
The invention provides a preparation method of domperidone tablets, comprising the following steps: (1) material preparation: performing site-clearing inspection, getting a raw material domperidone, and ingredients lactose G200, pregelatinized starch, low-substituted hydroxypropyl cellulose, povidone K30, lauryl sodium sulfate, silica and magnesium stearate; (2) pelleting: sieving and uniformly mixing raw material and ingredients except povidone K30, silica and magnesium stearate, then slowly adding a povidone K30 solution, uniformly stirring, and sieving to prepare wet particles, drying, sieving and collecting to obtain dry particles; (3) generally blending: respectively adding silica and magnesium stearate into the dry particles obtained in the step (2), to obtain generally mixed particles; and (4) tabletting, and the like. The method is high in production efficiency, and can enable the prepared domperidone tablets to be high in dissolving-out speed and relatively long in expirationdate while ensuring relatively high streptomycin hardness.
Owner:WEIAO PHARM (SICHUAN) CO LTD

Composite material for producing PVC plastic steel section and preparation method thereof

InactiveCN107266823AImprove mildew resistanceImprove high temperature resistancePlasticizerMagnesium stearate
The invention belongs to the technical field of door and window materials, and provides a composite material for producing PVC plastic steel sections and a preparation method thereof, wherein the composite material comprises the following raw materials in parts by weight: 160-190 parts of PVC, 2-6 parts of magnesium stearate, 11-13 parts of Phenolic Resin, 15-25 parts of polyethylene wax,-2-9 parts of sodium silicate, 1-4 parts of basalt fiber, 1.2-3.5 parts of forsterite powder, 2-4 parts of an anti-aging agent, 0.2-3.1 parts of a plasticizer, 0.4-2 parts of an additive and 1-2 parts of nano silver. The composite material uses the PVC as a main material, the anti-aging agent is compounded to improve the anti-aging properties of the material, the nano silver is compounded to improve the mildew resistance of the material, the basalt fiber is compounded to improve the mechanical properties and the anti-aging properties of the material, the forsterite powder is compounded to improve the high-temperature resistance, the plasticizer is compounded to make the mechanical properties of the material good, and the aging rate is reduced.
Owner:HEFEI YIZHI DOORS & WINDOWS CO LTD

Health-care food capable for increasing bone mineral density and preparation method of health-care food

PendingCN113170883AFood ingredient functionsCervus elaphus elaphusMagnesium stearate
The invention relates to a health-care food for increasing bone mineral density and a preparation method of the health-care food, and relates to the technical field of health-care products. The health-care food disclosed by the invention is prepared from the following components in parts by weight: 78.00 to 88.21 parts of cervus elaphus linnaeus, 128.10 to 138.41 parts of yak bone meal, 45 to 55 parts of folium cortex eucommiae extract, 35 to 45 parts of rhizoma drynariae extract, 85.12 to 95.24 parts of starch and 1 to 5 parts of magnesium stearate. The cervus elaphus linnaeus in the health-care food for increasing the bone mineral density has the effects of benefiting essence and blood and strengthening muscles and bones; yak bone meal is high in calcium content, reasonable in calcium-phosphorus ratio and easy to digest, absorb and utilize by human bodies; folium cortex eucommiae has the effects of tonifying liver and kidney and strengthening muscles and bones; and rhizoma drynariae has the effects of healing wounds, relieving pain, tonifying kidney and strengthening bones. All the raw materials in the formula act together, so that the health-care function of increasing the bone mineral density is realized. The health-care food capable of increasing the bone mineral density is safe in raw material dosage, free of incompatibility among the raw materials and suitable for being taken for a long time. A safety evaluation test proves that the product is safe; and animal function tests prove that the health-care function of increasing the bone mineral density is achieved.
Owner:吉林鹿司令健康产业有限公司
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