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

April 26, 2017ashaceltm ethylcellulose factors Film grade impact Pharma properties

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

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Effective at low percentages of total formulation weight, cast ASHACELTM ASHACEL Pharma Grade cellulose ethers yield strong films. Film properties depend on the specific ASHACELTM 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 ASHACELTM 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 ASHACELTM products in their respective reference of toluene/alcohol solvent blends.