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. 2011 Jun 28;12(3):862. doi: 10.1208/s12249-011-9648-4

Table II.

Matrix Formers Used in the Study

Polymer Manufacturer Molecular weight (Da) Viscosity (mPa s) Average particle size (μm) Ionic nature Solubility in water (mg/mL)
PEO (POLYOXTM WSR 1105a or Coagulantb) Dow, USA 900,000 or 5,000,000 13,500 150 Non-ionic Soluble
7,480
NaCMC (CELLOGEN® HP-SHc) or NaCMC (CELLOGEN® HP-12HSd) Dai-Ichi Kogyo Seiyaku, Japan 150,000 or 350,000 465 177 Anionic Easily dispersed. Solubility depends on degree of substitution
12,000

aViscosity 5% aqueous solution at 25°C; Brookfield RVF2, 20 rpm

bViscosity 1% aqueous solution at 25°C; Brookfield RVF2, 20 rpm

cViscosity 1% aqueous solution at 25°C; Brookfield LV2, 60 rpm

dViscosity 1% aqueous solution at 25°C; Brookfield LV4, 30 rpm