HPMC VS HEC: Ọ dị iche iche ị chọrọ ịma!

Nke Mbụ:

Hydroxypylmethylcelllose (HPMC) na hydroxyethylcellose (HEC) na-ejikarị ihe oriri, ịchọ mma na ụlọ ọrụ ọgwụ. Ndị a Cellulose derivatives nwere atụmanya ngwa dị ukwuu n'ihi mmiri mmiri pụrụ iche ha, nkwụsi ike, ma nwee ike nke ọma.

1.CHEMICAL:

HPMC bụ polymer sịntetik sitere na cellose. A na-eme ya site na imegharị ahụ sitere n'okike site na ịgbakwunye mkpụrụ oxidene na methyl chloride. HEC bụ ụdị nke mkpụrụ osisi cellulose, mana a na-eme ya site na iweghachi okike eke na ethlene oxide ma jiri alkali na-emeso ya.

2. Ngụgụ:

Ha abụọ HPMC na HEC bụ mmiri ma nwee ike ịgbasa na mmiri oyi. Mana solub nke hec dị ala karịa hpmc. Nke a pụtara HPMC nwere ike ịgbasawanye ma enwere ike iji ya n'ụzọ dị mfe.

3. Viscosity:

HPMC na HEC nwere njiri mara dị iche iche n'ihi usoro kemịkalụ ha. HEC nwere oke molecular dị elu karịa hpmc, nke na-enye ya na viscosity dị elu. Ya mere, a na-ejikarị hec dị ka onye na-eto eto na usoro chọrọ viscosity dị elu, ebe a na-eji HPMC eme ihe na-achọ obere viccosity.

4. Arụmọrụ nkiri na-eme ihe nkiri:

Ma HPMC na HEC nwere ezigbo ihe nkiri na-emepụta ihe nkiri. Ma HPMC nwere obere ihe nkiri na-etolite, nke pụtara na enwere ike iji ya na obere okpomọkụ. Nke a na - eme HPMC ọzọ dabara adaba maka iji ya na usoro na - achọ oge ihicha ngwa ngwa na ezigbo nrapado.

5. Kwụsi ike:

HPMC na HEC kwụ chịm n'okpuru ọtụtụ ph na ọnọdụ okpomọkụ. Agbanyeghị, HEC bụ mmetụta na-emetụta mgbanwe pch karịa HPMC. Nke a pụtara na ekwesịrị iji hec mee ihe na pọpụ nke 5 ruo 10, ebe enwere ike iji HPMC mee ihe na Wider pp.

6. Ngwa:

Njirimara dị iche iche nke HPMC na HEC na-eme ka ha dị ọcha maka ngwa dị iche iche. A na-ejikarị hec dị ka onye na-echekarị na nyocha nke ịchọ mma na usoro ọgwụgwọ. A na-ejikwa ya dị ka ihe mkpuchi na ihe nkiri na-eme ihe nkiri na mbadamba mbadamba. A na-eji HPMC mee ihe dị ka nke ukwu, kwụsie ike, na ndị na-eme ihe nkiri na nri, ọgwụ, na usoro ịchọ mma. A na-ejikwa ya dị ka onye na-elekọta ihe ụfọdụ.

Na ngwụcha:

HPMC na HEC bụ ma ụdị cellosuse nwere ihe pụrụ iche dabara adaba maka ngwa dị iche iche. Ghọta ọdịiche dị n'etiti ihe mgbakwunye abụọ a nwere ike inyere gị aka ịhọrọ nke ziri ezi maka uzommeputa gị. N'ozuzu, HPMC na HEC bụ ihe mgbakwunye dị mma na-enye ọtụtụ uru na nri, ụlọ ọrụ na-ahụ maka ọgwụ na-ere ọgwụ.