Indima ebalulekile ye-HPMC kudoti oxutshwe ngamanzi inezici ezintathu ezilandelayo:
1. I-HPMC inamandla okugcina amanzi amahle kakhulu.
2. Ithonya le-HPMC ekuqineni nasekuqineni kwe-thixotropy ye-mortar exutshwe ngamanzi.
3. Ukuxhumana phakathi kwe-HPMC nesamente.
Ukugcinwa kwamanzi kuyindlela ebalulekile yokusebenza kwe-HPMC, futhi futhi kuyindlela abakhiqizi abaningi be-wet-mix mortar abayinaka ngayo.
Umphumela wokugcina amanzi we-HPMC uncike esilinganisweni sokumuncwa kwamanzi kwesendlalelo esiyisisekelo, ukwakheka kwesendlalelo, ubukhulu besendlalelo sesendlalelo, isidingo samanzi sesendlalelo, kanye nesikhathi sokusetha sezinto zokusetha.
I-HPMC - ukugcinwa kwamanzi
Uma izinga lokushisa lejeli le-HPMC liphakeme, kulapho ukugcinwa kwamanzi kuba ngcono khona.
Izici ezithinta ukugcinwa kwamanzi kodaka oluxutshwe ngamanzi yi-HPMC viscosity, inani lokwengeza, ubuncane bezinhlayiya kanye nokushisa kokusetshenziswa.
Ukuqina kuyipharamitha ebalulekile yokusebenza kwe-HPMC. Kumkhiqizo ofanayo, imiphumela ye-viscosity elinganiswa ngezindlela ezahlukene iyahlukahluka kakhulu, futhi eminye iphinda kabili umehluko. Ngakho-ke, uma kuqhathaniswa ukuqina, kudingeka kwenziwe phakathi kwezindlela zokuhlola ezifanayo, kufaka phakathi izinga lokushisa, i-spindle, njll. Ngokuvamile, uma i-viscosity iphakeme, umphumela wokugcina amanzi uba ngcono.
Kodwa-ke, uma i-viscosity iphakeme futhi isisindo sama-molecule se-HPMC sikhulu, ukwehla kokuncibilika kwayo kuzoba nomthelela omubi emandleni nasekusebenzeni kokwakhiwa kwe-mortar. Uma i-viscosity iphakeme, umphumela wokujiya kwe-mortar ubonakala kakhulu, kodwa hhayi ngokulingana. Uma i-viscosity iphakeme, i-mortar emanzi iqina kakhulu, okubonisa ukunamathela ku-scraper ngesikhathi sokwakhiwa kanye nokunamathela okuphezulu ku-substrate. Kodwa-ke, i-HPMC ayinawo umthelela omkhulu ekuthuthukiseni amandla esakhiwo se-mortar emanzi ngokwayo, okubonisa ukuthi ukusebenza kokulwa nokuwa akubonakali. Ngokuphambene nalokho, amanye ama-HPMC aguquliwe ane-viscosity ephakathi nephansi ahle kakhulu ekuthuthukiseni amandla esakhiwo se-mortar emanzi.
Ubucwebe be-HPMC bunethonya elithile ekugcinweni kwamanzi kwayo. Ngokuvamile, kwi-HPMC ene-viscosity efanayo kodwa ubucwebe obuhlukile, uma i-HPMC icwebe kakhulu, umphumela wokugcina amanzi uba ngcono ngaphansi kwenani elifanayo lokwengeza.
Isikhathi sokuthunyelwe: Juni-15-2023