Umehluko phakathi kwe-HPMC ne-HEC

I-Hydroxypropyl methylcellulose, eyaziwa nangokuthi i-hypromellose kanye ne-cellulose i-hydroxypropyl methyl ether, yenziwe nge-cellulose ecolekileyo kakhulu futhi ishintshwa ngokukhethekile ngaphansi kwezimo ze-alkaline.

umehluko:

izici ezahlukene

I-Hydroxypropyl methylcellulose: impuphu noma ama-granule anjenge-fiber emhlophe noma emhlophe, angezinhlobo ezahlukene ezingezona i-ionic engxubeni ye-cellulose, lo mkhiqizo uyi-polymer ye-viscoelastic engasebenzi, engasebenzi kahle.

I-Hydroxyethyl cellulose iyi-fiber emhlophe noma ephuzi, engenaphunga, engenabo ubuthi noma i-powder eqinile, izinto ezisetshenziswayo eziyinhloko yi-alkali cellulose kanye ne-ethylene oxide etherification, okuyi-non-ionic soluble cellulose ether.

Ukusetshenziswa kuhlukile

Embonini yokupenda, i-hydroxypropyl methylcellulose inokuncibilika okuhle emanzini noma ezinyibilikisini eziphilayo njengesithambisi, isihlakazi kanye nesiqinisi. I-Polyvinyl chloride isetshenziswa njengesisusi sopende sokumiswa kwe-polymerization ukulungiselela i-polyvinyl chloride, esetshenziswa kabanzi esikhumbeni, emikhiqizweni yephepha, ekulondolozweni kwezithelo nemifino, ezindwangu nakwezinye izimboni.

I-Hydroxypropyl methylcellulose: cishe ayincibiliki ku-ethanol ephelele, i-ether, i-acetone; incibilika kusisombululo se-colloidal esibonakalayo noma esinamafu emanzini abandayo, isetshenziswa kabanzi ekumbozeni, kuyinki, kumafayibha, ekudayini, ekwenzeni amaphepha, ezimonyweni, ezibulala-zinambuzane, amaminerali. Ukucubungula imikhiqizo, ekubuyiseleni uwoyela kanye nasezimbonini zemithi.

ukuncibilika okuhlukile

I-Hydroxypropyl methylcellulose: cishe ayincibiliki ku-ethanol ephelele, i-ether, i-acetone; incibilika kusisombululo se-colloidal esicacile noma esinamafu kancane emanzini abandayo.

I-Hydroxyethyl cellulose (HEC): Ingalungisa izixazululo ezinhlotsheni ezahlukene ze-viscosity, futhi inezakhiwo ezinhle zokuncibilikisa usawoti kuma-electrolyte.