Methylcellose (mc) na hydroxylthylthylthyl methylcellose (hpmc) bụ ihe dị iche iche cellulose nwere ụfọdụ ọdịiche dị mkpa na usoro kemịkalụ na mpaghara kemịkal. Nke a bụ ntụnyere zuru ezu:
1. Kemịkalụ usoro kemịkalụ
Methylcellose (Mc):
Methylcellose bụ mkpụrụ osisi cellulose emere site na iwebata Methyl (-ch) n'ime otu molulose eke. A na-eji otu osisi hydroxy (-Oh) na cellyl dị iche iche (-Och₃) iji mepụta methylcellose. Ọtụtụ mgbe, ogo methylation nke methylcellose bụ ihe dị ka 1.5 ruo 2.5 Methyy.
Hydroxypylththth methylcellose (hpmc):
Hydroxypyl Methylcellose bụ sellulose delivance nke na-aga n'ihu na-ewebata hydropyl (-c₃h₇oh) otu nke methylcelllose. Okwu mmeghe nke hydroxyyl na-eme HPMC nwere ike ịkwado na arụmọrụ wider. Ọdịmma kemịkal ya nwere ihe abụọ, methyl na hydroxyl.
2. Ọdịiche na solublity
Methylcellose (mc) nwere mmiri siri ike, ọkachasị na mmiri ọkụ, ọ nwere ike mepụta ngwọta colloidal. Ndozi ya na-adabere na ogo methylation. Nke dị elu ogo nke methylation, ka mma solubility.
Hydroxypylthlthththththththththththylcelllose (hpmc) nwere mmiri ka mma na-agagharị karịa methylcellose. N'ihi mgbasa nke Hydroxyyl, Hpmc nwekwara ike igbari nke ọma na mmiri oyi. E jiri ya tụnyere Methylcellose, Hpmc nwere sodsibity wider, karịchaa, ọ nwere ike igbari ngwa ngwa na obere okpomọkụ.
3. Ọdịiche na Njirimara Ahụ
Methylcellose (mc) na-acha odo odo na ntụ ntụ ma ọ bụ granules, na ngwọta ya bụ virus, na ezigbo emulsific, na akụrụngwa na ngwongwo. Na ụfọdụ ihe ngwọta, methylcellose nwere ike ịmalite nnukwu gel, mana "gel dara" pụtara mgbe ọ kpụ ọkụ n'ọnụ.
Hydroxypyl Methylcellose (hpmc) nwere viscosity dị elu na nkwụsi ike nke ikuku ka mma. Ngwọta HPMC na-akwụsi ike karịa ihe dị na Wider P.
4. Ubi ngwa
N'ihi na ha pụrụ iche solublity na akụrụngwa, methylcellose na hydroxyl Methylcelllose na-eji ọtụtụ ebe dị iche iche:
Methylcellose (Mc):
Dịka onye na-eto eto, emulsifier na kwụsie ike, a na-ejikarị ya na ụlọ ọrụ nri, ihe ịchọ mma na ọgwụ.
Na-ewu ụlọ, a na-ejikarị MC, Gypsum, taịva na ngwaahịa ndị ọzọ dị ka mmiri na-ejigide onye na-elekọta ya na Treshener.
A na-ejikwa ya dị ka ihe na-atụ maka mkpuchi na inks.
Hydroxypylththth methylcellose (hpmc):
Dị ka nke ukwu, emulsifier na kwụsie ike, a na-eji HPMC mee ihe n'ọtụtụ ọgwụ na ụlọ ọrụ ọgwụ, ọkachasị na nkwadebe nke ọgwụ.
N'ime ụlọ ọrụ owuwu, a na-eji HPMC mee ihe na mkpuchi mgbidi, ngwa ngwa akọrọ, ihe nrapado na ngwaahịa ndị ọzọ iji nye adreesion mma na mmiri.
N'ime ụlọ ọrụ nri, a na-ejikarị HPMC na-ejikarị ya dị ka nke na-eto eto, sie ike, emundrifier, wdg.
Na ịchọ mma, enwere ike iji HPMC mee ihe dị ka ihe na-ewute, gel mbụ, wdg.
5. Kwụsi ike na iguzogide
Methylcelllose (mc) nwere mmetụta dị nro na okpomọkụ dị elu. Karịsịa mgbe iwe dị ọkụ, MC Ngwọta nwere ike gel na ezumike, na-ebute ngwọta eji arụ ọrụ. Ọ na-eju eju na mmiri ọkụ, ma na-agbanyeghị mmiri oyi.
E jiri mc, hydroxypyl methylcellose (HPMC) nwere ike imegide ọkụ na nke ikuku, ma nwee ike iguzosi ike na oke okpomọkụ, yabụ a na-eji ya n'ọtụtụ ebe okpomọkụ.
6. Ọnụ ahịa na ahịa
N'ihi usoro nrụpụta siri ike na ọnụ ahịa HPMC, ọ na-adịkarị ọnụ karịa methylcellose. N'ebe ụfọdụ nwere ihe dị ala, methylclose nwere ike ịbụ nhọrọ dị ọnụ ala, ebe HPMC bụ ihe a na-ahụkarị na mpaghara chọrọ ime ọgwụ na akụrụngwa ụlọ.
Ọ bụ ezie na methylcellose (mc) na hydropyythylthylthylthylthylthylthylyl na-enwe ihe na-arụ ọrụ n'ọtụtụ ubi, akụkụ ahụ ha na kemịkalụ ha, akụrụngwa ha na mpaghara ngwa dị iche. A na-eji hpmc n'ọtụtụ ubi (dị ka ọgwụ, ụlọ ọrụ ụlọ ọrụ na-arụ ọrụ nke ọma.
Oge post: Feb-15-2025