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Silicon dioxide: the "universal pharmaceutical excipient" for pharmaceutical preparations
Medicine has been closely related to people's lives since ancient times. The production of drugs began with traditional medicine and later evolved to separate and extract natural medicines from natural substances, gradually developing and establishing an industrial production system for chemical drugs. Medicinal excipients play a crucial role in the pharmaceutical industry. Medicinal excipients refer to the excipients and additives used in the production and formulation of drugs. In addition to shaping, acting as carriers, and improving stability, they also have important functions such as solubilization, solubilization assistance, and sustained and controlled release. They are important components that may affect the quality, safety, and effectiveness of drugs. Silicon dioxide, as a widely used inorganic material, is also a very useful pharmaceutical excipient in the pharmaceutical field. The structural formula of auxiliary silica is mSiO2 · nH2O, which is a white powder with good fluidity, high purity, and no pollution. It has the characteristics of small particle size, large specific surface area, and many pores. At the same time, the silicon hydroxyl groups distributed on the surface make it have good adsorption performance. Adding medicinal excipient silica can effectively improve the quality and performance of drug formulations, especially tablets, greatly enhancing the market competitiveness of drugs. Its application in drug formulations has received increasing attention.
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Rubber formula design: the effects of white carbon black, stearic acid, zinc oxide, and sulfur
The rubber formula system mainly consists of three major systems: 1. Basic composition system: raw rubber matrix, reinforcement filling system, and vulcanization crosslinking system; 2、 Collaborative reaction system: activation system, coupling agent system; 3、 Functional regulation system: protective system, processing aids
2025-05-12
A table to find out all types of aerogels!
Aerogel, which is called "the black technology material that changes the world", has already shone in aerospace, building insulation, industrial insulation, military equipment and other fields. But you know what? There is more than one aerogel! Silicon dioxide, carbon, metal oxides, polymers... different types of aerogels have different properties and uses!
2025-05-07
The role of food grade silica and its specific application areas in the food industry
Food grade silica is a non-toxic, odorless, chemically stable white powder with good adsorption, anti caking, and flowability. It is mainly used as an anti caking agent, thickener, stabilizer, adsorbent, etc. in the food industry, and is widely applied in multiple fields such as dairy products, beverages, baked goods, seasonings, etc. By analyzing its mechanism of action and application examples, this article explores the important significance of food grade silica in improving food quality, extending shelf life, and ensuring food safety, and looks forward to its future development trends.
2025-04-23
《Advanced Materials》：Super absorbent aerogel!
With the continuous growth of population and the persistence of water pollution, freshwater shortage has become a global challenge, threatening the sustainable development of humanity. It is predicted that by 2050,
2025-04-12
What are the seven characteristics of aerogel, a "magic material that changes the world"?
Aerogel is a kind of nano porous solid material formed by replacing the liquid phase in the gel with gas by a certain drying method.
2025-04-02
The Newly-prized Material: Aerogel Material
Aerogel is a three-dimensional networked nanoporous material. Its porosity can reach over 90%, the specific surface area can reach 900 m²/g, and the density can be as low as 0.002 g/cm³, making it the solid with the lowest density up to now.
2025-03-12
