I-Hydroxypropyl methylcellulose (HPMC) yi-non-ionic cellulose ether eyenziwe nge-cellulose yendalo yepolymer ngokusebenzisa uthotho lweenkqubo zeekhemikhali. I-Hydroxypropylmethylcellulose (HPMC) yipowder emhlophe engenavumba, engenancasa, engenatyhefu enokuchithwa emanzini abandayo ukuze yenze isisombululo esicacileyo esiqinileyo. Ineempawu zokutyeba, ukubopha, ukusasaza, ukuxuba, ukwenza ifilimu, ukumisa, ukufunxa, ukwenza i-gelling, ukusebenza komphezulu, ukugcina umswakama kunye nokukhusela i-colloid. Kwi-mortar, umsebenzi obalulekileyo we-hydroxypropyl methylcellulose kukugcina amanzi, oku kukwazi kwe-mortar ukugcina amanzi.
1. Ukubaluleka kokugcinwa kwamanzi kwi-mortar
I-mortar engakwazi ukugcina amanzi kakuhle kulula ukuyikhupha nokuyihlukanisa ngexesha lokuthuthwa nokugcinwa kwayo, oko kukuthi, amanzi ayadada phezulu, isanti kunye nesamente zitshone ngaphantsi, kwaye kufuneka iphinde ivuselelwe ngaphambi kokuba isetyenziswe. I-mortar engakwazi ukugcina amanzi kakuhle, ngexesha lokutshiza, lo gama nje i-mortar exutyiweyo idibana nebhloko okanye isiseko, i-mortar ekulungeleyo iya kufunxwa ngamanzi, kwaye kwangaxeshanye, umphezulu wangaphandle we-mortar uya kuphuma amanzi aye emoyeni, nto leyo ebangela ukulahleka kwamanzi e-mortar. Ukungoneli kwamanzi kuya kuchaphazela ukufuma kwesamente ngakumbi kwaye kuchaphazele uphuhliso oluqhelekileyo lwamandla e-mortar, nto leyo ebangela amandla aphantsi, ingakumbi amandla okudibana phakathi kwe-mortar eqinileyo kunye nomaleko wesiseko, nto leyo ebangela ukuqhekeka nokuwa kwe-mortar.
2. Indlela yendabuko yokuphucula ukugcinwa kwamanzi kwisamente
Isisombululo sendabuko kukunkcenkceshela isiseko, kodwa akunakwenzeka ukuqinisekisa ukuba isiseko simanzi ngokulinganayo. Injongo efanelekileyo yokufunxa amanzi kwisamente kwisiseko kukuba: imveliso yokufunxa amanzi kwisamente ingena kwisiseko kunye nenkqubo yokufunxa amanzi kwisiseko, yenze "unxibelelwano oluphambili" olusebenzayo nesiseko, ukuze kufezekiswe amandla ebhondi afunekayo. Ukunkcenkceshela ngokuthe ngqo kumphezulu wesiseko kuya kubangela ukusasazeka okukhulu ekufunxeni kwamanzi kwisiseko ngenxa yokwahluka kobushushu, ixesha lokunkcenkceshela, kunye nokufana kokunkcenkceshela. Isiseko sinofunxa amanzi amancinci kwaye siya kuqhubeka nokufunxa amanzi kwibhondi. Ngaphambi kokuba kuqhubeke ukufunxa amanzi kwisamente, amanzi ayafunxwa, nto leyo echaphazela ukungena kwe-hydration yesamente kunye neemveliso zokufunxa amanzi kwi-matrix; isiseko sinofunxa amanzi amaninzi, kwaye amanzi kwibhondi ageleza aye kwisiseko. Isantya sokufuduka esiphakathi sicotha, kwaye nokuba ngumaleko otyebileyo ngamanzi wenziwa phakathi kwebhondi kunye ne-matrix, nto leyo echaphazela namandla ebhondi. Ngoko ke, ukusebenzisa indlela eqhelekileyo yokunkcenkceshela isiseko akuyi kusilela nje ekusombululeni ngempumelelo ingxaki yokufunxwa kwamanzi amaninzi kwisiseko sodonga, kodwa kuya kuchaphazela amandla okubopha phakathi kwesamente nesiseko, nto leyo ebangela ukuqhekeka nokuqhekeka.
3. Ukugcinwa kwamanzi ngokufanelekileyo
(1) Ukusebenza kakuhle kokugcina amanzi kwenza i-mortar ivuleke ixesha elide, kwaye ineenzuzo zokwakha indawo enkulu, ubomi benkonzo ende kwi-barrel, kunye nokuxuba iibhetshi kunye nokusetyenziswa kweebhetshi.
(2) Ukusebenza kakuhle kokugcinwa kwamanzi kwenza isamente kwi-mortar ihlale inamanzi aneleyo, nto leyo ephucula ukusebenza kokubopha kwe-mortar.
(3) I-mortar inokusebenza kakuhle kokugcina amanzi, nto leyo eyenza ukuba i-mortar ingahlukani kwaye iphume igazi, nto leyo ephucula ukusebenza kwayo kunye nokwakheka kwayo.
Ixesha lokuthumela: Matshi-20-2023