I-MHEC (Methyl Hydroxyethyl Cellulose) ingenye i-polymer esekelwe ku-cellulose evame ukusetshenziswa njengesithasiselo ekusetshenzisweni kokunikeza okusekelwe kusimende. Inezinzuzo ezifanayo ne-HPMC, kodwa inomehluko othile ezimpahleni. Lokhu okulandelayo ukusetshenziswa kwe-MHEC kuma-plaster aqinile:
Ukugcinwa kwamanzi: I-MHEC ikhulisa ukugcinwa kwamanzi engxubeni yokuplasta, ngaleyo ndlela yandisa ukusebenza kahle. Isiza ekuvimbeleni ingxube ukuthi yome ngaphambi kwesikhathi, ivumela isikhathi esanele sokufaka nokuqeda.
Ukusebenza Kahle: I-MHEC ithuthukisa ukusebenza kahle kanye nokusabalala kwezinto zokuplasta. Ithuthukisa ukuhlangana kanye nezakhiwo zokugeleza, okwenza kube lula ukufaka nokufeza ukuqeda okubushelelezi ezindaweni.
Ukunamathela: I-MHEC ikhuthaza ukunamathela okungcono kweplasta ku-substrate. Isiza ukuqinisekisa ukubopha okuqinile phakathi kweplasta kanye nobuso obungaphansi, kunciphisa ingozi yokuqhekeka noma ukuhlukana.
Ukumelana Nokuwohloka: I-MHEC ifaka i-thixotropy engxubeni ye-plaster, ithuthukisa ukumelana kwayo nokuwohloka noma ukuwohloka uma isetshenziswa phezulu noma phezulu. Isiza ukugcina ubukhulu nesimo se-plaster esifiselekayo ngesikhathi sokusetshenziswa.
Ukumelana nokuqhekeka: Ngokufaka i-MHEC, izinto zokuplasta zithola ukuguquguquka okuphezulu futhi ngaleyo ndlela zithuthukise ukumelana nokuqhekeka. Kuyasiza ekunciphiseni ukuvela kwemifantu okubangelwa ukushwabana okomile noma ukwanda/ukuqhekeka kokushisa.
Ukuqina: I-MHEC inegalelo ekuqineni kohlelo lokuplasta. Yakha ifilimu evikelayo uma yomile, okwandisa ukumelana nokungena kwamanzi, isimo sezulu kanye nezinye izinto zemvelo.
Ukulawulwa Kwe-Rheology: I-MHEC isebenza njengomuguquli we-rheology, ithinta ukugeleza nokusebenza kahle kwengxube yokunikeza. Isiza ukulawula i-viscosity, ithuthukisa izici zokupompa noma zokufafaza, futhi ivimbela ukuhlangana noma ukuhlukaniswa kwezinhlayiya eziqinile.
Kufanele kuqashelwe ukuthi inani elithile kanye nokukhethwa kwe-MHEC kungahluka kuye ngezidingo ezithile zesistimu yokuplasta, njengobukhulu obudingekayo, izimo zokupholisa nezinye izici. Abakhiqizi bavame ukunikeza iziqondiso kanye namaphepha edatha yobuchwepheshe anamazinga anconywayo okusetshenziswa kanye nemiyalelo yokufaka i-MHEC ekwakhiweni kwe-gypsum okusimende.
Isikhathi sokuthunyelwe: Juni-08-2023