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What factors impact the film properties of ASHACEL® Pharma Grade grade ethylcellulose?

April 26, 2017ethylcellulose factors Film grade impact Pharma properties

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What factors impact the film properties of ASHACEL® Pharma Grade grade ethylcellulose?

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Effective at low percentages of total formulation weight, cast ASHACEL® ASHACEL Pharma Grade cellulose ethers yield strong films. Film properties depend on the specific ASHACEL® polymer chosen, on the solvent or solvent blend used for processing, and on the type and amount of plasticizer. Effect of polymer choice — The higher viscosity ASHACEL® polymers tend to yield stronger, tougher films than lower viscosity products. The figure below puts these into perspective for films derived from a complete range of ASHACEL® products in their respective reference of toluene/alcohol solvent blends.