Ku-samente mortar kanye ne-gypsum-slurry, i-HPMC idlala indima yokugcina amanzi kanye nokuqina. Ingathuthukisa ngempumelelo amandla okubopha kanye nokulwa ne-pituitarism ye-slurry.
Izinga lokushisa lomoya, izinga lokushisa lomoya kanye nesivinini sokucindezela komoya kuthinta izinga lokuwohloka kwamanzi emikhiqizweni ye-samente mortar kanye ne-gypsum.
Ezinkathini ezahlukene, kunezimo ezithile ezihlukile emphumeleni wokugcina amanzi we-HPMC. Ekwakhekeni okuthile, umphumela wokugcina amanzi we-slurry ungalungiswa ngokwandisa noma ukunciphisa inani le-HPMC elingeziwe. Ukugcinwa kwamanzi kwe-methyl cellulose ether ngaphansi kwezimo zokushisa okuphezulu kuyinkomba ebalulekile yokuhlukanisa ikhwalithi ye-methyl cellulose ether. Imikhiqizo emihle kakhulu yochungechunge lwe-HPMC ingaxazulula ngempumelelo inkinga yokugcina amanzi ngaphansi kokushisa okuphezulu.
Esikhathini sokushisa okuphezulu, ikakhulukazi ezindaweni ezishisayo nezomile kanye nokwakhiwa okunezingqimba ezincane ohlangothini olunelanga. I-HPMC esezingeni eliphezulu iyadingeka ukuthuthukisa ukugcinwa kwamanzi kwe-slurry. Ingathuthukisa ikhono le-athomu ye-oxygen eqenjini le-hydroxyl lokwakha isibopho se-hydrogen nesibopho se-ether. Yenza amanzi akhululekile abe ngamanzi aboshwe, ukuze kulawulwe ngempumelelo ukuhwamuka kwamanzi okubangelwa yisimo sezulu esishisayo esiphezulu. Izinga eliphezulu lokugcinwa kwamanzi.
I-HPMC ye-cellulose esezingeni eliphezulu ingasakazwa ngokulinganayo nangokuphumelelayo ku-cement mortar kanye nemikhiqizo esekelwe ku-gypsum. Futhi ugoqe zonke izinhlayiya eziqinile ukuze wakhe ifilimu yokumanzisa. Umswakama osendlaleloni esiyisisekelo ukhishwa kancane kancane isikhathi eside, futhi izinto ze-gelling ezingaphili zithola ukusabela komswakama. Ngaleyo ndlela kuqinisekiswa amandla okubopha kanye namandla okucindezela kwezinto. Ngakho-ke, kufanele zakhiwe ehlobo lokushisa eliphezulu ukuze kufezwe umphumela wokugcina amanzi. Qiniseka ukuthi ungeza imikhiqizo ye-HPMC esezingeni eliphezulu ngokwefomula, ngaphandle kwalokho kuzoba nezinkinga zekhwalithi njengokuntuleka komswakama. Kodwa futhi kwandisa ubunzima bokwakha kwabasebenzi. Njengoba izinga lokushisa lehla, inani le-HPMC lingancishiswa kancane kancane, futhi umphumela wokugcina amanzi ungafinyelelwa.
Isikhathi sokuthunyelwe: Ephreli-21-2023