Protective Film Coating with Kollidon VA 64

ProtectiveFilmCoatingwithKollidonVA64
1.Formulation
KollidonVA64[1]......................................50g LutrolE6000[1]........................................40g Glycerol......................................................5g SicovitIronoxide[1]..................................15g SicovitTitaniumdioxide[1]........................30g Talc[10]....................................................50g Water..............................................ad1000g 2.Manufacturing A500-gsampleofthissuspensionwaspass edthroughadiskmilland
sprayedunderthefollowingconditions:
Sugar-coatingpan
Spraygun..................................WaltherWAXV
with1-mmnozzle
Sprayingtime..........................................3sec
Pause...................................................0.5sec
Dryair.....................................................6sec
Pause......................................................3sec
AccelaCota24

（continuousspraying）
Spraygun..................................WaltherWAXV
with0.8-mmnozzle
Temperatureatinlet.................................45C
Temperatureato utlet...............................38C
Sprayingpressure....................................2bar
Sprayingtime.....................................50min
3. Remark
If the film is to sticky a certain part of Kollidon VA 64 should be substituted
by hypromellose or sucrose.