Hydroxypropyl methylcelsulose (HPMC) ma Mythylyhyedroyshyhyshyl Cellsulose (MHEC) o ni mea eseese. A o iai ai a latou mea tutusa, latou te faʻaalia foʻi ni eseesega taua.
Hydroxypropyl methylcelsulose (hpmc):
1. O le fausaga fausaga:
HPMC o se symi-synthetic polymemer e maua mai i le celfulose.
E aofia ai le toe fai o le toe faia o iunite o le ayhydroglucose fesoʻotaʻi i hydroxypropyl ma Methoxy vaega.
2. Faatinoga:
O le Suavai Sopulity: HPMC o le palu i le vai ma o lea e masani ona faʻaaogaina i tulaga eseese.
Ata tifaga: E mafai ona fausia ata manifinifi, faia ia talafeagai mo apalai manaomia o ofu puipui.
Faletupe vevela: E iai ni meatotino a le fale gaosi, e ono aoga i nisi tusi.
3. Talosaga:
Pharmacutives: faʻaaogaina e pei o fusi, ata tifaga ma faʻamalosi-faʻamatuʻu marriptus i pa pia.
Fale o le fausiaina: faʻaaoga i totonu o le sima-faʻavae i luga o le paʻu o le pamu, gypsum-faʻavae plasters ma le masani lava o tagata i lalo.
Meaʻai alamanuia: faʻaaogaina e pei o le mafiafia ma le stabilizer i meaʻai.
4. Gaosiga:
E gaosia i le faʻaalia o le Cellaulose ma le faʻatauga o le suauʻu ma methyl chloride.
O le tikeri o le suia (DS) e fuafuaina le fua faatatau o le hydroxypropyl ma Methoxy vaega.
Methylydroxythylcellusloses (MHEC):
1. O le fausaga fausaga:
O le Menc o se sela celfuy o loʻo i ai ma hydroxyedyl ma mechoxy vaega faʻapipiʻi i le sela sela.
2. Faatinoga:
Suavai Sopulity: E pei o HPMC, MEMC o le Suavai Vai, e fesoasoani i lona uiga i le tele o talosaga.
Faʻaleleia Aafiaga o le Vai: MHEC e masani ona faʻaalia le sili atu o le vai taofi i le HPMC.
3. Talosaga:
Fausiaina o le Asāega: Faʻaopopo faʻaaogaina o se mea mafiafia mo le sima-faʻavae i totonu o le marties, taʻele apamemea ma gypsum oloa.
O atavali ma ofutino: Galue e pei o se tala o le rheology i vai-faavae vali ma ofutino.
Pharmacutical: faʻaaogaina mo le faʻatonutonuina o le faʻatulagaina o le auʻaunaga.
4. Gaosiga:
Gaosia e le EDUPINCITONICINE O COBULYS MA MERHYL CHINDID MA EHYL CHRIND.
O le tulaga o le suia o le aʻafia o meatotino ma faʻatinoga o le Mencs.
Le eseesega i le va o le HPMC ma le MHEC:
1. Esussudization gaioiga:
O le HPMC o loʻo faʻasolo i le faʻaaogaina o le mea faʻatauga o loʻo ixide ma methyl chloride.
Ua gaosia e le MHEC e faʻaaoga ai le methyl chloride ma ethyl chloride.
2. Vai o le Vai:
MHEC masani ai faaalia sili atu le mafai ona taofia le mafai ona taofia meatotino nai lo HPMC.
3. Talosaga:
A o iai ni nai lo mai, o se talosaga patino e maua mai ai se tasi e faʻatatau i ona tulaga ese o lona uiga.
4. Taaga o le vevela:
E faʻaalia e le HPMC mea faigaluega a le HPMM
O le HPMC ma le MEC e tele le tele o talosaga i vaega eseese o pisinisi, ma e tofu lava ma mea e lelei ai. O le filifiliga i le va oi latou e faʻalagolago i auiliiliga faʻapitoa manaʻoga ma manaʻoga manaʻomia. Pe i totonu o le vailaʻau, o isi fanua, o isi fanua, o le malamalama i eseesega e fesoasoani i le faʻaaogaina o filifiliga tusitusia e ausia lelei faʻatinoga i ni faiga eseese ma faiga.
Taimi taimi: Fep-19-2025