Izici ezinkulu eziningana ezithinta ukugcinwa kwamanzi kwe-hydroxypropyl methylcellulose

IHydroxypropyl methylcellulose (HPMC) iyi-ether engeyona ionic cellulose eyenziwe nge-cellulose yezinto ze-polymer yemvelo ngochungechunge lwezinqubo zamakhemikhali. Ziyimpushana emhlophe engenaphunga, ayinambitheki futhi engenabuthi ekhukhumala ibe isixazululo se-colloidal esicacile noma esinamafu kancane emanzini abandayo. Inokuqina, ukubopha, ukuhlakaza, i-emulsifying, ukwenza ifilimu, ukumisa okwesikhashana, i-adsorbing, i-gelling, indawo esebenzayo, egcina umswakama kanye nezakhiwo ze-colloid ezivikelayo. I-Hydroxypropyl methyl cellulose kanye ne-methyl cellulose ingasetshenziswa ezintweni zokwakha, imboni kapende, i-resin yokwenziwa, imboni ye-ceramic, imithi, ukudla, izindwangu, ezolimo, amakhemikhali nsuku zonke nezinye izimboni.

Ukugcinwa kwamanzi komkhiqizo we-hydroxypropyl methylcellulose HPMC ngokwawo kuvame ukuthintwa yizinto ezilandelayo:

1. Inani le-hydroxypropyl methylcellulose HPMC engeziwe Uma likhulu inani le-cellulose ether HPMC engeziwe, izinga lokugcinwa kwamanzi liphezulu futhi kuba ngcono nomthelela wokugcina amanzi. Ebangeni lokuhlanganisa okungu-0.25-0.6%, izinga lokugcinwa kwamanzi likhuphuka ngokushesha ngokunyuka kwenani elingeziwe; lapho inani elingeziwe likhuphuka, inkambiso yokwenyuka kwezinga lokugcina amanzi iyancipha.

2. I-HPMC viscosity ye-hydroxypropyl methylcellulose Lapho i-viscosity ye-HPMC inyuka, izinga lokugcinwa kwamanzi nalo liyakhuphuka; lapho i-viscosity ifinyelela ezingeni elithile, ukwanda kwezinga lokugcinwa kwamanzi kuvame ukuba mnene.

3. I-Hydroxypropyl methylcellulose I-HPMC yokushisa kwejeli eshisayo Izinga lokushisa elishisayo lejeli, izinga eliphezulu lokugcinwa kwamanzi; kungenjalo, izinga eliphansi lokugcina amanzi.

4. I-Hydroxypropyl methylcellulose HPMC homogeneity HPMC enokusabela okufanayo, i-methoxyl ne-hydroxypropoxyl asatshalaliswa ngokulinganayo, futhi izinga lokugcinwa kwamanzi liphezulu.