HPMC for Waterproofing Mortars

I-HPMC, noma i-hydroxypropyl methylcellulose, iyisengezo esisetshenziswa kakhulu ekukhiqizweni kodaka oluvimbela amanzi. Izinsimbi zokuvikela amanzi zisetshenziselwa ukwakha umgoqo wokuzivikela ezindaweni ezikhonkolo, ukuvimbela amanzi ukuthi angangeni futhi abangele umonakalo.

Omunye wemisebenzi eyinhloko ye-HPMC odakeni oluvimbela amanzi ukusebenza njenge-thickener ne-rheology modifier. Ukwengezwa kwe-HPMC odakeni kuthuthukisa ukusebenza kwayo nokusabalala, okwenza kube lula ukuyisebenzisa nokusebenza ngayo. I-HPMC iphinde ithuthukise ukungaguquguquki nokuzinza kodaka, inciphise ubungozi bokucwila noma ukuwohloka ngesikhathi sokufaka isicelo.

Ngaphezu kwezakhiwo zayo ezijiyayo, i-HPMC iphinde isebenze njenge-binder kanye ne-ejenti yokwakha ifilimu odakeni oluvimbela amanzi. Ukwengezwa kwe-HPMC odakeni kuthuthukisa ukunamathela kwayo ku-substrate, kudala isibopho esiqinile nesihlala isikhathi eside. I-HPMC futhi yakha ifilimu yokuvikela phezu kodaka, esiza ukuyivikela esimweni sezulu kanye nokuguguleka.

Enye inzuzo yokusebenzisa i-HPMC emigodini yokuvimbela amanzi ukuthi ingasiza ekuthuthukiseni ukumelana nodaka emanzini kanye nomswakama. I-HPMC ingabamba amanzi odakeni, okusiza ukuvimbela amanzi ukuthi angangeni phezulu futhi abangele umonakalo. Lokhu kungabaluleka ikakhulukazi ezindaweni lapho kunobungozi obukhulu bokungena kwamanzi, njengezindlu zangaphansi kanye nezinye izinhlelo zokusebenza ezingaphansi kwebanga.

I-HPMC nayo inenzuzo emvelweni. Kuyi-polymer yemvelo, evuselelekayo, futhi ebolayo etholakala ku-cellulose, egcwele izitshalo. Ayinabuthi futhi ayikhiphi izinto eziyingozi endaweni ezungezile.

Sekukonke, ukungezwa kwe-HPMC odakeni oluvimbela amanzi kunikeza izinzuzo eziningi, okuhlanganisa ukusebenza okuthuthukisiwe, ukunamathela, nokumelana namanzi nomswakama. I-HPMC iphinde isize ukuvikela udaka ekumeni kwesimo sezulu kanye nokuguguleka, futhi ingathuthukisa ukuqina kwayo ngokuhamba kwesikhathi. Kubuye kube isithasiselo esihambisana nemvelo.