Methylcellose (mc)uyehydroxypronylmethylcellose (HPMC)Vese vari vese vanowanzoumbwa mheremellose vanobva, izvo zvinoshandiswa zvakanyanya mune zvekudya, mushonga, zvizoro, kuvaka uye indasitiri. Kunyangwe zvivakwa zvavo zvekutanga zvemakemikari zvichinge zvabviswa kubva ku cellulose, kune dzimwe mutsauko hwakakosha mumakemikari zvivakwa, zvivakwa zvemuviri uye nzvimbo dzekushandisa.
1. Makemikari chimiro mutsauko
MetHylcellose (MC) inoitwa nekutsiva chikamu cheiyo hydroxyl (-oh) mapoka pane cellulose molecule ine methyl (-Och3) mapoka. Dhigirii remakurukota rinogona kudzorwa, rinowanzoratidzwa sedanho rekutsiva methylation. Chimiro cheMC chakareruka, kunyanya maHydroxyl mapoka pane cellulose molecular cheni inotsiviwa nemapoka methylated.
HydroxyPropyl methylcellose (HPMC) inoenderana nesimbi, uye inowedzera kutsiva chikamu chehydroxyl (-Ooh) mapoka pane mheremolose molecule ine hydroxyprusl (-c3h7Ov) mapoka. Naizvozvo, HPMC chiitiko che methylceulcellose, asi zvine kuomarara kwakawanda. HPMC ine mapoka maviri, methyl uye hydroxypruppropyl, saka chimiro chayo chakanyanya kuoma pane mc.
2. Zvivakwa zvemuviri uye solubility
Solubility:
Methylcellose inogona kuumba mhinduro yemugodhi mumvura inotonhora, asi hazvisi nyore kunyungudika mumvura inopisa. Yayo solubility inokanganiswa kwazvo nekudziya kwemvura uye iyo pH kukosha kwemvura, kunyanya kana tembiricha ichisimuka, iyo solubility ye mc ichadzikira zvakanyanya.
Hydroxypruppropyl methylcellose ine nani solubility. Inogona kuumba mhinduro yakagadzikana mumvura inotonhora, uye yayo solubility inoratidza kugadzikana kwakanaka pasi pekuchinja kwemvura ph uye tembiricha. HPMC ine yepamusoro yemvura solubility uye inogona kunyungudika mune yakasarudzika tembiricha, kunyanya mumvura inodziya.
Viscosity:
Methylcellulose Solution Solution ine yakaderera viscosity, saka inowanzoshandiswa mune zvimwe zvekushandisa izvo zvinoda kuderera viscosity.
HydroxyPropyl methylcellose Solite Solite inowanzove neiyo yepamusoro yekuona, iyo inoita HPMC kazhinji inoshandiswa mune zvimwe zvekushandisa zvinoda kukwidziridzwa kwepamusoro, sekugadzirira zvinodhaka-zvinodhaka mukugadzira.
Gelling Zvivakwa:
Methylcellose ane yakakosha yeiyo Genuls inowedzera, ndiko kuti, ichaumba chinhu chevolidal mushure mekupisa, nekunyungudika zvakare kana tembiricha inodonha. Naizvozvo, inowanzoshandiswa seganda mumiririri mune chikafu uye mushonga.
HydroxyPropyl methylcellose kazhinji haina magetsi emagetsi, uye zvinowanzoita mhinduro yakagadzikana mumvura kwete gel.
3. Nzvimbo dzekushandisa
Indasitiri yechikafu:
MetHylcellose inonyanya kushandiswa mune zvekudya kuti uvandudze kuravira, Wedzera viscosity uye chengetedza chimiro chechikafu. Semuenzaniso, inogona kushandiswa muzvikafu zvakaderera-calorie, ice cream uye michero yemanyoro zvigadzirwa. Nekuda kweiyo yayo inopisa emagetsi emagetsi, inogona kushandiswawo seganda mumiririri muchikafu.
HydroxyPropyl methylcellose haina kana isingawanzo kushandiswa mune chikafu, asi inogona kushandiswawo mune zvimwe zvekushandisa zvinonyatsoita, vakadai sevanyoro uye emulsifizi.
Indasitiri yeMishonga:
Methylcellose inowanzoshandiswa seyakanakisa yezvinodhaka, kunyanya mumahwendefa, mahwendefa uye mishonga yemishonga. Inogona zvakare kushandiswa seyekuburitswa-kuburitswa mumiriri weOPHTRIMIC mishonga yekubatsira kuwedzera nguva yekutora zvinodhaka.
Hydroxyprusyl methylcellose inoshandiswa zvakanyanya mukugadzirira zvinodhaka, kunyanya mumahwendefa, mahwendefa uye gadziriro dzemvura uye gadziriro dzemvura. Inotora basa rakakosha mukusunungurwa-zvinodhaka-kusunungura uye kudzorwa-kuburitsa masisitimu. Mukuwedzera, HPMC inowanzoitwa zvakare inoshandiswa muOphthalmic zvinodhaka uye mucosal kugadzirisa vamiririri.
Indasitiri yekuvaka:
Methylcellose inonyanya kushandiswa seyakaverengerwa uye yemvura-yekuchengetedza mumiririri wekuvaka kuti simende uye gypsum mune yekuvaka indasitiri. Inogona kuvandudza zvivakwa zvekubatanidza uye zvinowanikwa zvezvinhu izvi.
HydroxyPropyl methylcellose inoshandiswa zvakanyanya muzvivakwa zvekuvaka, kunyanya mune zvigadzirwa zvekuvaka senge madhiri akaomeswa uye akaoma, anogona kupa huwandu hwekuchengetwa kwemvura uye zviri nani.
Cosmetic indasitiri:
MCinowanzoshandiswa seyakakwenenzverwa, humictant uye emulsifier mune cosmetics kuvandudza nyaradzo yeganda uye moisturizing mhedzisiro.
Hpcinowanzoshandiswa mune yeganda kuchengetedza uye zvigadzirwa zvebvudzi, kunyanya mune zvigadzirwa senge matera, kirema uye shampoos, iyo inogona kupa zviri nani chimiro uye mhedzisiro.
Kunyangwe methylcellose (mc) uye hydroxyprusyl methylcellose (HPMC) vari vese cellulose detivatives, zvivakwa zvavo zvemakemikari uye zvivakwa zvemuviri zvakasiyana, zvichikonzera kushandiswa kwakasiyana muminda dzakasiyana. MC kazhinji ine kuderera viscosity uye inopisa majecha zvivakwa, uye yakakodzera kushandiswa segomba mumiririri uye akabatana; Nepo HPMC ine nani solubility uye inowanzoshandiswa mukushandisa iyo inoda yakakwira viscosity uye yakakwira kugadzikana, kunyanya mumaindasitiri emishonga uye ekuvaka. Zvinoenderana nezvinodiwa zvakasiyana, kusarudza yakakodzera cellulose detivatives kunogona kuita zvirinani kusangana nezvinodiwa zvekushandisa zvakanyatso.
Post Nguva: Kukadzi-19-2025