(HPMC) Uyini umehluko nge noma ngaphandle s?

1. I-HPMC ihlukaniswe ngohlobo olusheshayo nohlobo lokuhlakazeka okusheshayo

Uhlobo lwe-HPMC esheshayo Displingrion Displix luhlanganiswe nezinhlamvu zezincwadi, futhi i-GYLOXAL kumele ingezwe ngesikhathi sokukhiqiza.

Uhlobo lwe-HPMC Instant alufaki noma yiziphi izinhlamvu, ezinjenge- "100000" zisho ukuthi "i-100000 viscosity esheshayo Dispcuresion Displing Disperity Type HPMC".

2. Nge noma ngaphandle s, izici zihlukile

I-HPMC ehlakazekile ngokushesha isakaza ngokushesha lapho ihlangana namanzi abandayo bese inyamalala emanzini. Ngalesi sikhathi, uketshezi alunakubonakala, ngoba i-HPMC ihlakazeka emanzini ngaphandle kokuchithwa kwangempela. Ngemuva kwemizuzu engaba mibili, i-viscosity yoketshezi inyuka kancane kancane, yakha i-colloid ebukhali esobala.

I-HPMC esheshayo ingahlakazeka ngokushesha emanzini ashisayo cishe ngo-70 ° C. Lapho amazinga okushisa ehla emazingeni okushisa athile, ukubonwa kuzovela kancane kancane kuze kube kwakhiwa i-colloid esobala ye-viscous.

3. Nge noma ngaphandle s, inhloso yehlukile

I-HPMC esheshayo ingasetshenziswa kuphela ku-putty powder nodaka. Ku-glue ketshezi, ukupenda kanye nokugeza imikhiqizo, kuzoba khona into ehlelekile futhi ngeke isetshenziswe.

I-HPMC ehlakazekile ngokushesha inezinhlobonhlobo zezicelo futhi ingasetshenziswa ku-putty powder, udaka, glue uketshezi, ukupenda, ukugeza imikhiqizo ngaphandle kwezehlakalo.

Indlela yokuqothula

1. Thatha inani elidingekayo lamanzi ashisayo, libeke esitsheni bese lilishisa ngenhla kwama-80 ° C, bese kancane kancane engeza lo mkhiqizo ngaphansi kokushukumisa kancane. I-cellulose intanta endaweni yamanzi ekuqaleni, kepha kancane kancane ihlakazeka ukuze kwakhiwe i-slurry efanayo. Isixazululo saphola ngenkathi sivusa.

2. Ngenye indlela, ukushisa okungu-1/3 noma 2/3 kwamanzi ashisayo kungaphezulu kwama-85 ° C, engeza inani elisele lokuthola amanzi ashisayo, bese ufaka inani elisele lamanzi abandayo, qhubeka uvuse, futhi upholise inhlanganisela ephumayo.

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4. Kancane kancane futhi ngokulinganayo engeza iselula lokushisa kwekamelo, ivuse ngokuqhubekayo kuze kube kwakhiwa isixazululo esibonakalayo.

Iziphi izici ezithinta ukugcinwa kwamanzi kwe-hydroxypropylylyll methylcellulose?

Ukugcinwa kwamanzi kweHydroxyproppropylylylylylylylylylyl hpmc umkhiqizo uqobo uvame ukuthinteka yizinto ezilandelayo:

1. Ukufana kwe-cellulose ether hpmc

I-HPMC ephendulwe ngokulinganayo, i-Methoxyl kanye ne-hydroxypropoposyls zisatshalaliswa ngokulinganayo, futhi izinga lokugcina lamanzi liphezulu.

2. I-Thermal Gelation lokushisa le-cellulose ether hpmc

Ukushisa okushisa kakhulu kwe-gel lokushisa, kuphakama inani lokugcinwa kwamanzi; Ngaphandle kwalokho, ukwehlisa inani lokugcinwa kwamanzi.

3. I-cellulose ether hpmc viscosity

Lapho i-viscosity ye-HPMC inyuka, inani lokugcina amanzi liyanda; Lapho i-viscosity ifinyelela ezingeni elithile, ukwanda kwamazinga okugcina amanzi kuvame ukuba isicaba.

Inani lokungezelela le-cellulose ether hpmc

Lapho inani elikhulu kakhulu le-cellulose ether hpmc elingezwe, liphezulu inani lokugcina amanzi kanye ne-NEP ENDLELA YOKUQHAWULA KWAMANZI.

Ngobubanzi bokungezelelwa kwe-0.25-0.6%, inani lokugcina amanzi likhuphuka ngokushesha ngokwanda kwenani lokungezwa; Lapho inani lokungeza liyanda, ukukhuphuka kwenani lokugcinwa kwamanzi lincibilika.