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To improve the mechanical strength of cellulose acetate (CA) membranes, porous inorganic/organic hybrid membranes were prepared via phase inversion technique from casting solution composed of cellulose acetate propionate (CAP), poly(vinylidene fluoride) (PVDF), mesoporous SBA-15 materials, and N-methyl-2-pyrrolidone (NMP). The effects of PVDF content and modification with SBA-15 on membranes structure,...
In this study, cellulose acetate propionate (CAP) and polyvinylidene fluoride (PVDF) were selected to prepare porous-blend membrane by wet phase inversion method. The effect of the CAP and PVDF concentration of the casting solution on membrane morphology structure and thermal stability was investigated by scanning electron microscopy (SEM) and thermal gravimetry/differential scanning calorimetry (TGA/DSC)...
The influence of egg albumin (EA) on the crystal habit properties of carbamazepine (CBZ) in aqueous solutions, solid-state, and in sustained release matrix tablets was investigated using differential scanning calorimetry (DSC), hot-stage microscopy (HSM), X-ray powder diffraction (XRD), scanning electron microscopy (SEM) and contact angle goniometer (CAG). The results suggest that in solid-state mixtures,...
The influence of hydroxypropyl methylcellulose (HPMC) on the crystal habit properties of carbamazepine in sustained release matrix tablets and in aqueous solutions was investigated using differential scanning calorimetry (DSC), X-ray powder diffraction and scanning electron microscopy (SEM). The results suggest that HPMC inhibits the transformation of carbamazepine to carbamazepine dihydrate in the...
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