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One of the remarkable features of HPC is its ability to form gels in the presence of water. This gelling property is particularly advantageous in controlling the release of active pharmaceutical ingredients (APIs) in sustained-release formulations. Furthermore, HPC is chemically stable, non-toxic, and compatible with various excipients, which makes it a preferred choice for many formulators.

Carboxymethylcellulose (CMC)

Los agentes antiespumantes son componentes cruciales en numerosas aplicaciones industriales y de consumo. Desde Siliconas hasta aceites vegetales y polímeros, su uso ayuda a mejorar procesos, asegurar la calidad del producto y optimizar la eficiencia operativa. Comprender las propiedades y aplicaciones de estos agentes es esencial para su correcta implementación y para la producción efectiva de productos en una amplia gama de industrias.

PVA is characterized by its chemical structure, which consists of repeating units of vinyl alcohol. Its hydrophilic nature allows it to dissolve in water, offering a plethora of opportunities for utilization in aqueous environments. The degree of hydrolysis of PVA — the conversion of polyvinyl acetate (PVAc) to polyvinyl alcohol — significantly influences its solubility, viscosity, and film-forming properties. Generally, higher hydrolysis levels yield more water-soluble products, while lower levels produce materials with greater hydrophobic characteristics.

As a modified cellulose, HPMC has excellent thickening, bonding and water retention properties. When added to mortar, it can significantly improve the operability of the mortar, extend the construction time, reduce vertical slippage, and provide better working conditions for construction workers. In addition, the use of HPMC can effectively reduce the evaporation of water during the construction process of the mortar and improve the strength and durability of the mortar.

The characteristics of HPMC include being water-soluble, non-toxic, and biodegradable. Its solubility in cold water makes it a remarkable additive in many formulations, as it can create gel-like or viscous solutions. The gel formation occurs due to its ability to hydrate and swell, which is pivotal in applications that require thickening, emulsification, or stabilizing of products.