2014, №4

сс. 3-11

Preparation of hydroxypropylmethylcellulose microparticles using supercritical antisolvent precipitation

2014, №4

сс. 3-11

Цитировать

A.M. Vorobei, K.B. Ustinovich, O.I. Pokrovskiy, O.O. Parenago, V.V. Lunin

Key words: supercritical carbon dioxide, bioresorbable polymers, SCF-micronization, SAS, hydroxypropylmethylcellulose

Micronization of hydroxypropylmethylcellulose using supercritical antisolvent (SAS)
method is studied. The influence of various parameters, such as solvent type, polymer
concentration, pressure, solution to supercritical CO2 flow rate ratio on morphology of
particles is discussed. The possibility of obtaining spherical or elli ptical shape
hydroxypropylmethylcellulose particles of submicron size (190-620 nm) that depends
on the process parameters is demonstrated.

doi:10.1134/S1990793115080114