Film coating technology refers to the difference in physical properties and molecular alignment and structural characteristics of a variety of inert polymer compounds with strong chemical stability.
Scientifically, under mild processing conditions, without changing its chemical properties, activating specific groups of such polymer compounds, activating surface activity, changing the molecular arrangement of the original individual substances, forming a new film-forming mixture, ie, a film package Clothing powder. A solvent is added to the film coating powder to form a uniformly dispersed mixture, and a plastic film layer of several micrometers thick is coated on the object by a spray coating to coat the workpiece, which has a good protection effect. We are talking about film coating technology.
The coating is generally applied to a solid form preparation, and can be divided into a powder coating, a pellet coating, a granule coating, a tablet coating, and a capsule coating according to different coating materials; and the sugar coating is divided according to the coating material. Semi-film coating, film coating (including enteric coating), special material coating; spray coating, dipping coating, dry pressing coating, electrostatic coating, laminating coating according to different coating techniques Among them, the spray coating application is widely used, and is classified into a water-soluble coating, a gastric-soluble coating, an insoluble coating, a sustained-release coating, and an enteric coating according to the purpose of coating.
There are so many advantages of coatings that many coatings use coating technology. The difference in coating purposes makes the coating materials and technology quite different. Advances in research and market demand have led to a large market for coating technology and materials, resulting in specialized companies that prepare a variety of coating materials and provide technical services. Coatings have also become the focus of pharmaceutical researchers in developing new formulations. The technical means of consideration.
After nearly 40 years of research and development, continuous improvement and improvement of production equipment and processes, and the advent of polymer film materials, the film coating technology has been rapidly developed, and foreign countries have basically replaced the sugar coating with a film coating. China has only begun to develop in recent years. The application of film coatings based on foreign-funded drugs, new drugs, and generic drugs has developed rapidly and has become a "new hot spot" in the pharmaceutical industry.
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3D dental imaging is slowly becoming the new standard of care in dental practices. 3D dental scanning allows dentists to digitally reconstruct your teeth in 3D. Dental practitioners can interact with this 3D model and visualize aspects of the model that would otherwise be difficult or impossible to access. This new perspective allows clinicians to more effectively diagnose an issue or provide a more effective means of treatment.
3D dental scanner is most commonly utilized for cosmetic and restoration purposes, such as reconstructive therapy or oral surgery. 3D imaging allows for planning and customizing services for procedures such as bone grafts, implants, and root canals. 3D scanning is also often used to create 3D images for orthodontic treatment.
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