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- is likely that this excipient will remain a vital part of the pharmaceutical
Methyl cellulose is a water-soluble polymer made from cellulose. It is used as a thickener, emulsifier and stabilizer in foods and cosmetics. HPMC is a water-soluble polymer made from cellulose modified with hydroxypropyl groups. It is used as a thickener, emulsifier and stabilizer in foods, pharmaceuticals and cosmetics. Both methyl cellulose and HPMC are widely used and have a variety of applications. However, HPMC is more commonly used in building materials than methyl cellulose.
- The substitution pattern—whether the methoxyl and hydroxypropyl groups are distributed uniformly or are block-wise—also influences the performance of HPMC
hpmc structure. A more uniform substitution generally results in better solubility and clarity of solutions, while a block-wise substitution can affect the mechanical strength of the resulting gel network.
- In recent years, there has been a significant increase in demand for HPMC in China. This can be attributed to several factors, including the country's rapid economic growth and improvement in healthcare infrastructure. As a result, the Chinese market has become one of the largest consumers of HPMC in the world.
- For starters, HEC is a white, odorless, and tasteless powder that dissolves readily in cold or hot water, forming a clear, viscous solution. Its non-ionic nature means it is not affected by the presence of salts or pH changes, making it exceptionally stable in various formulations. These attributes make HEC an ideal thickener, stabilizer, emulsifier, and film-former in products ranging from cosmetics and personal care items to construction materials and even food.
HPMC - Everything you need to know