Ethylcellulose Aqueous Dispersion
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ethylcellulose aqueous dispersion
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It is an ethylcellulose coating system completely using water as dispersing medium and used in oral solid extended release preparation. With the characteristics of highly effective coating, simple operation and no plasticizer, it can form a extended release coating membrane, make the medicine keep releasing and maintain effective vivo plasma concentration. There is no need to give the medicine frequently. It is suitable for the medicine that needs to lengthen the curative effect.
TF-EAD takes the ethylcellulose as a polymer, make the ethylcellulose to micro particles to dispersing in water and forming a kind of emulsion. The film membrane dissolves not keen to acid or alkalinity.
As a high performance aqueous film coating system, TF-EAD offers:
(1) No special request to the production equipment;
(2) With 30% solid content but still lower viscosity, it reduces the operating time, simultaneously avoids pot, bridging phenomenon;
(3) Without usage of plasticizer, the operation is more convenient.