Once the desired modifications are achieved, the mixture undergoes a drying process to produce dried HPMC in powder form. The powder is then milled and sieved to obtain consistent particle sizes, ensuring optimal performance in various applications. Quality control is paramount during all stages of production, with rigorous testing to confirm that the HPMC meets industry standards.
What is HPMC?
HPMC is a non-ionic, water-soluble polymer derived from cellulose, a natural polymer found in plant cell walls. Its unique properties, including excellent emulsification, thickening, and film-forming abilities, make it a sought-after ingredient in numerous products. HPMC Company is dedicated to harnessing these properties to create high-quality HPMC that meets the stringent demands of modern industries.
Temperature is another important factor that affects the viscosity of HPMC solutions. In general, the viscosity of HPMC decreases with increasing temperature. This is because higher temperatures lead to greater molecular motion, which reduces the resistance of the polymer chains to flow.
hpmc viscosity table

Paints and Coatings
The first step in the manufacturing process involves the activation of cellulose. This is achieved by dissolving the cellulose in an alkaline solution, often sodium hydroxide. This treatment causes the cellulose fibers to swell, increasing their reactivity and preparing them for subsequent chemical modification. The degree of activation influences the efficiency of the hydroxyethylation process.
Moreover, HPMC is applied in formulations for various medicinal purposes, including ophthalmic solutions. Its viscosity-enhancing properties provide a soothing effect to the eyes, making it a popular choice for eye drops. Also, it is utilized in formulations designed for treating dry eyes because it mimics the natural moisture found in the eye.