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2. Emulsionpolymerisation I denna process används en emulsionssystem där vinylacetat blandas med vatten och ett tensid för att bilda en stabil emulsion. När initiatorn tillsätts börjar polymerisationsreaktionen, vilket resulterar i en stabil emulsion av polyvinylacetat.

The pharmaceutical industry also benefits significantly from methylcellulose as it serves as a binder, coating agent, and controlled-release excipient in the formulation of tablets and capsules. Additionally, it is an essential ingredient in many cosmetic formulations, where it acts as a thickener and stabilizer, contributing to the texture and consistency of creams and lotions. In construction, methylcellulose is applied as a water-retaining agent in cement and gypsum-based mortars, enhancing workability and adhesion.

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For instance, in pharmaceutical applications, the density of HPMC can affect the dissolution rate of tablets. A higher density can lead to a slower release rate of the active pharmaceutical ingredient (API), while a lower density may enhance the solubility of the API, enabling quicker absorption. Thus, understanding and controlling the density of HPMC is crucial for formulating effective and reliable medications.